Initial commit

146 files changed, 28818 insertions, 0 deletions

diff --git a/vendor/github.com/containerd/console/LICENSE b/vendor/github.com/containerd/console/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/github.com/containerd/console/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
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+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+      any Contribution intentionally submitted for inclusion in the Work
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+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
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+
+   Unless required by applicable law or agreed to in writing, software
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+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/console/README.md b/vendor/github.com/containerd/console/README.md
new file mode 100644
index 000000000..4c56d9d13
--- /dev/null
+++ b/vendor/github.com/containerd/console/README.md
@@ -0,0 +1,17 @@
+# console
+
+[![Build Status](https://travis-ci.org/containerd/console.svg?branch=master)](https://travis-ci.org/containerd/console)
+
+Golang package for dealing with consoles.  Light on deps and a simple API.
+
+## Modifying the current process
+
+```go
+current := console.Current()
+defer current.Reset()
+
+if err := current.SetRaw(); err != nil {
+}
+ws, err := current.Size()
+current.Resize(ws)
+```
diff --git a/vendor/github.com/containerd/console/console.go b/vendor/github.com/containerd/console/console.go
new file mode 100644
index 000000000..c187a9b41
--- /dev/null
+++ b/vendor/github.com/containerd/console/console.go
@@ -0,0 +1,78 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"errors"
+	"io"
+	"os"
+)
+
+var ErrNotAConsole = errors.New("provided file is not a console")
+
+type Console interface {
+	io.Reader
+	io.Writer
+	io.Closer
+
+	// Resize resizes the console to the provided window size
+	Resize(WinSize) error
+	// ResizeFrom resizes the calling console to the size of the
+	// provided console
+	ResizeFrom(Console) error
+	// SetRaw sets the console in raw mode
+	SetRaw() error
+	// DisableEcho disables echo on the console
+	DisableEcho() error
+	// Reset restores the console to its orignal state
+	Reset() error
+	// Size returns the window size of the console
+	Size() (WinSize, error)
+	// Fd returns the console's file descriptor
+	Fd() uintptr
+	// Name returns the console's file name
+	Name() string
+}
+
+// WinSize specifies the window size of the console
+type WinSize struct {
+	// Height of the console
+	Height uint16
+	// Width of the console
+	Width uint16
+	x     uint16
+	y     uint16
+}
+
+// Current returns the current processes console
+func Current() Console {
+	c, err := ConsoleFromFile(os.Stdin)
+	if err != nil {
+		// stdin should always be a console for the design
+		// of this function
+		panic(err)
+	}
+	return c
+}
+
+// ConsoleFromFile returns a console using the provided file
+func ConsoleFromFile(f *os.File) (Console, error) {
+	if err := checkConsole(f); err != nil {
+		return nil, err
+	}
+	return newMaster(f)
+}
diff --git a/vendor/github.com/containerd/console/console_linux.go b/vendor/github.com/containerd/console/console_linux.go
new file mode 100644
index 000000000..42274e100
--- /dev/null
+++ b/vendor/github.com/containerd/console/console_linux.go
@@ -0,0 +1,275 @@
+// +build linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"io"
+	"os"
+	"sync"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	maxEvents = 128
+)
+
+// Epoller manages multiple epoll consoles using edge-triggered epoll api so we
+// dont have to deal with repeated wake-up of EPOLLER or EPOLLHUP.
+// For more details, see:
+// - https://github.com/systemd/systemd/pull/4262
+// - https://github.com/moby/moby/issues/27202
+//
+// Example usage of Epoller and EpollConsole can be as follow:
+//
+//	epoller, _ := NewEpoller()
+//	epollConsole, _ := epoller.Add(console)
+//	go epoller.Wait()
+//	var (
+//		b  bytes.Buffer
+//		wg sync.WaitGroup
+//	)
+//	wg.Add(1)
+//	go func() {
+//		io.Copy(&b, epollConsole)
+//		wg.Done()
+//	}()
+//	// perform I/O on the console
+//	epollConsole.Shutdown(epoller.CloseConsole)
+//	wg.Wait()
+//	epollConsole.Close()
+type Epoller struct {
+	efd       int
+	mu        sync.Mutex
+	fdMapping map[int]*EpollConsole
+}
+
+// NewEpoller returns an instance of epoller with a valid epoll fd.
+func NewEpoller() (*Epoller, error) {
+	efd, err := unix.EpollCreate1(unix.EPOLL_CLOEXEC)
+	if err != nil {
+		return nil, err
+	}
+	return &Epoller{
+		efd:       efd,
+		fdMapping: make(map[int]*EpollConsole),
+	}, nil
+}
+
+// Add creates an epoll console based on the provided console. The console will
+// be registered with EPOLLET (i.e. using edge-triggered notification) and its
+// file descriptor will be set to non-blocking mode. After this, user should use
+// the return console to perform I/O.
+func (e *Epoller) Add(console Console) (*EpollConsole, error) {
+	sysfd := int(console.Fd())
+	// Set sysfd to non-blocking mode
+	if err := unix.SetNonblock(sysfd, true); err != nil {
+		return nil, err
+	}
+
+	ev := unix.EpollEvent{
+		Events: unix.EPOLLIN | unix.EPOLLOUT | unix.EPOLLRDHUP | unix.EPOLLET,
+		Fd:     int32(sysfd),
+	}
+	if err := unix.EpollCtl(e.efd, unix.EPOLL_CTL_ADD, sysfd, &ev); err != nil {
+		return nil, err
+	}
+	ef := &EpollConsole{
+		Console: console,
+		sysfd:   sysfd,
+		readc:   sync.NewCond(&sync.Mutex{}),
+		writec:  sync.NewCond(&sync.Mutex{}),
+	}
+	e.mu.Lock()
+	e.fdMapping[sysfd] = ef
+	e.mu.Unlock()
+	return ef, nil
+}
+
+// Wait starts the loop to wait for its consoles' notifications and signal
+// appropriate console that it can perform I/O.
+func (e *Epoller) Wait() error {
+	events := make([]unix.EpollEvent, maxEvents)
+	for {
+		n, err := unix.EpollWait(e.efd, events, -1)
+		if err != nil {
+			// EINTR: The call was interrupted by a signal handler before either
+			// any of the requested events occurred or the timeout expired
+			if err == unix.EINTR {
+				continue
+			}
+			return err
+		}
+		for i := 0; i < n; i++ {
+			ev := &events[i]
+			// the console is ready to be read from
+			if ev.Events&(unix.EPOLLIN|unix.EPOLLHUP|unix.EPOLLERR) != 0 {
+				if epfile := e.getConsole(int(ev.Fd)); epfile != nil {
+					epfile.signalRead()
+				}
+			}
+			// the console is ready to be written to
+			if ev.Events&(unix.EPOLLOUT|unix.EPOLLHUP|unix.EPOLLERR) != 0 {
+				if epfile := e.getConsole(int(ev.Fd)); epfile != nil {
+					epfile.signalWrite()
+				}
+			}
+		}
+	}
+}
+
+// CloseConsole unregisters the console's file descriptor from epoll interface
+func (e *Epoller) CloseConsole(fd int) error {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	delete(e.fdMapping, fd)
+	return unix.EpollCtl(e.efd, unix.EPOLL_CTL_DEL, fd, &unix.EpollEvent{})
+}
+
+func (e *Epoller) getConsole(sysfd int) *EpollConsole {
+	e.mu.Lock()
+	f := e.fdMapping[sysfd]
+	e.mu.Unlock()
+	return f
+}
+
+// Close closes the epoll fd
+func (e *Epoller) Close() error {
+	return unix.Close(e.efd)
+}
+
+// EpollConsole acts like a console but registers its file descriptor with an
+// epoll fd and uses epoll API to perform I/O.
+type EpollConsole struct {
+	Console
+	readc  *sync.Cond
+	writec *sync.Cond
+	sysfd  int
+	closed bool
+}
+
+// Read reads up to len(p) bytes into p. It returns the number of bytes read
+// (0 <= n <= len(p)) and any error encountered.
+//
+// If the console's read returns EAGAIN or EIO, we assume that it's a
+// temporary error because the other side went away and wait for the signal
+// generated by epoll event to continue.
+func (ec *EpollConsole) Read(p []byte) (n int, err error) {
+	var read int
+	ec.readc.L.Lock()
+	defer ec.readc.L.Unlock()
+	for {
+		read, err = ec.Console.Read(p[n:])
+		n += read
+		if err != nil {
+			var hangup bool
+			if perr, ok := err.(*os.PathError); ok {
+				hangup = (perr.Err == unix.EAGAIN || perr.Err == unix.EIO)
+			} else {
+				hangup = (err == unix.EAGAIN || err == unix.EIO)
+			}
+			// if the other end disappear, assume this is temporary and wait for the
+			// signal to continue again. Unless we didnt read anything and the
+			// console is already marked as closed then we should exit
+			if hangup && !(n == 0 && len(p) > 0 && ec.closed) {
+				ec.readc.Wait()
+				continue
+			}
+		}
+		break
+	}
+	// if we didnt read anything then return io.EOF to end gracefully
+	if n == 0 && len(p) > 0 && err == nil {
+		err = io.EOF
+	}
+	// signal for others that we finished the read
+	ec.readc.Signal()
+	return n, err
+}
+
+// Writes len(p) bytes from p to the console. It returns the number of bytes
+// written from p (0 <= n <= len(p)) and any error encountered that caused
+// the write to stop early.
+//
+// If writes to the console returns EAGAIN or EIO, we assume that it's a
+// temporary error because the other side went away and wait for the signal
+// generated by epoll event to continue.
+func (ec *EpollConsole) Write(p []byte) (n int, err error) {
+	var written int
+	ec.writec.L.Lock()
+	defer ec.writec.L.Unlock()
+	for {
+		written, err = ec.Console.Write(p[n:])
+		n += written
+		if err != nil {
+			var hangup bool
+			if perr, ok := err.(*os.PathError); ok {
+				hangup = (perr.Err == unix.EAGAIN || perr.Err == unix.EIO)
+			} else {
+				hangup = (err == unix.EAGAIN || err == unix.EIO)
+			}
+			// if the other end disappears, assume this is temporary and wait for the
+			// signal to continue again.
+			if hangup {
+				ec.writec.Wait()
+				continue
+			}
+		}
+		// unrecoverable error, break the loop and return the error
+		break
+	}
+	if n < len(p) && err == nil {
+		err = io.ErrShortWrite
+	}
+	// signal for others that we finished the write
+	ec.writec.Signal()
+	return n, err
+}
+
+// Shutdown closes the file descriptor and signals call waiters for this fd.
+// It accepts a callback which will be called with the console's fd. The
+// callback typically will be used to do further cleanup such as unregister the
+// console's fd from the epoll interface.
+// User should call Shutdown and wait for all I/O operation to be finished
+// before closing the console.
+func (ec *EpollConsole) Shutdown(close func(int) error) error {
+	ec.readc.L.Lock()
+	defer ec.readc.L.Unlock()
+	ec.writec.L.Lock()
+	defer ec.writec.L.Unlock()
+
+	ec.readc.Broadcast()
+	ec.writec.Broadcast()
+	ec.closed = true
+	return close(ec.sysfd)
+}
+
+// signalRead signals that the console is readable.
+func (ec *EpollConsole) signalRead() {
+	ec.readc.L.Lock()
+	ec.readc.Signal()
+	ec.readc.L.Unlock()
+}
+
+// signalWrite signals that the console is writable.
+func (ec *EpollConsole) signalWrite() {
+	ec.writec.L.Lock()
+	ec.writec.Signal()
+	ec.writec.L.Unlock()
+}
diff --git a/vendor/github.com/containerd/console/console_unix.go b/vendor/github.com/containerd/console/console_unix.go
new file mode 100644
index 000000000..a4a8d1267
--- /dev/null
+++ b/vendor/github.com/containerd/console/console_unix.go
@@ -0,0 +1,158 @@
+// +build darwin freebsd linux openbsd solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+// NewPty creates a new pty pair
+// The master is returned as the first console and a string
+// with the path to the pty slave is returned as the second
+func NewPty() (Console, string, error) {
+	f, err := os.OpenFile("/dev/ptmx", unix.O_RDWR|unix.O_NOCTTY|unix.O_CLOEXEC, 0)
+	if err != nil {
+		return nil, "", err
+	}
+	slave, err := ptsname(f)
+	if err != nil {
+		return nil, "", err
+	}
+	if err := unlockpt(f); err != nil {
+		return nil, "", err
+	}
+	m, err := newMaster(f)
+	if err != nil {
+		return nil, "", err
+	}
+	return m, slave, nil
+}
+
+type master struct {
+	f        *os.File
+	original *unix.Termios
+}
+
+func (m *master) Read(b []byte) (int, error) {
+	return m.f.Read(b)
+}
+
+func (m *master) Write(b []byte) (int, error) {
+	return m.f.Write(b)
+}
+
+func (m *master) Close() error {
+	return m.f.Close()
+}
+
+func (m *master) Resize(ws WinSize) error {
+	return tcswinsz(m.f.Fd(), ws)
+}
+
+func (m *master) ResizeFrom(c Console) error {
+	ws, err := c.Size()
+	if err != nil {
+		return err
+	}
+	return m.Resize(ws)
+}
+
+func (m *master) Reset() error {
+	if m.original == nil {
+		return nil
+	}
+	return tcset(m.f.Fd(), m.original)
+}
+
+func (m *master) getCurrent() (unix.Termios, error) {
+	var termios unix.Termios
+	if err := tcget(m.f.Fd(), &termios); err != nil {
+		return unix.Termios{}, err
+	}
+	return termios, nil
+}
+
+func (m *master) SetRaw() error {
+	rawState, err := m.getCurrent()
+	if err != nil {
+		return err
+	}
+	rawState = cfmakeraw(rawState)
+	rawState.Oflag = rawState.Oflag | unix.OPOST
+	return tcset(m.f.Fd(), &rawState)
+}
+
+func (m *master) DisableEcho() error {
+	rawState, err := m.getCurrent()
+	if err != nil {
+		return err
+	}
+	rawState.Lflag = rawState.Lflag &^ unix.ECHO
+	return tcset(m.f.Fd(), &rawState)
+}
+
+func (m *master) Size() (WinSize, error) {
+	return tcgwinsz(m.f.Fd())
+}
+
+func (m *master) Fd() uintptr {
+	return m.f.Fd()
+}
+
+func (m *master) Name() string {
+	return m.f.Name()
+}
+
+// checkConsole checks if the provided file is a console
+func checkConsole(f *os.File) error {
+	var termios unix.Termios
+	if tcget(f.Fd(), &termios) != nil {
+		return ErrNotAConsole
+	}
+	return nil
+}
+
+func newMaster(f *os.File) (Console, error) {
+	m := &master{
+		f: f,
+	}
+	t, err := m.getCurrent()
+	if err != nil {
+		return nil, err
+	}
+	m.original = &t
+	return m, nil
+}
+
+// ClearONLCR sets the necessary tty_ioctl(4)s to ensure that a pty pair
+// created by us acts normally. In particular, a not-very-well-known default of
+// Linux unix98 ptys is that they have +onlcr by default. While this isn't a
+// problem for terminal emulators, because we relay data from the terminal we
+// also relay that funky line discipline.
+func ClearONLCR(fd uintptr) error {
+	return setONLCR(fd, false)
+}
+
+// SetONLCR sets the necessary tty_ioctl(4)s to ensure that a pty pair
+// created by us acts as intended for a terminal emulator.
+func SetONLCR(fd uintptr) error {
+	return setONLCR(fd, true)
+}
diff --git a/vendor/github.com/containerd/console/console_windows.go b/vendor/github.com/containerd/console/console_windows.go
new file mode 100644
index 000000000..62dbe1c03
--- /dev/null
+++ b/vendor/github.com/containerd/console/console_windows.go
@@ -0,0 +1,216 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)
+
+var (
+	vtInputSupported  bool
+	ErrNotImplemented = errors.New("not implemented")
+)
+
+func (m *master) initStdios() {
+	m.in = windows.Handle(os.Stdin.Fd())
+	if err := windows.GetConsoleMode(m.in, &m.inMode); err == nil {
+		// Validate that windows.ENABLE_VIRTUAL_TERMINAL_INPUT is supported, but do not set it.
+		if err = windows.SetConsoleMode(m.in, m.inMode|windows.ENABLE_VIRTUAL_TERMINAL_INPUT); err == nil {
+			vtInputSupported = true
+		}
+		// Unconditionally set the console mode back even on failure because SetConsoleMode
+		// remembers invalid bits on input handles.
+		windows.SetConsoleMode(m.in, m.inMode)
+	} else {
+		fmt.Printf("failed to get console mode for stdin: %v\n", err)
+	}
+
+	m.out = windows.Handle(os.Stdout.Fd())
+	if err := windows.GetConsoleMode(m.out, &m.outMode); err == nil {
+		if err := windows.SetConsoleMode(m.out, m.outMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING); err == nil {
+			m.outMode |= windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING
+		} else {
+			windows.SetConsoleMode(m.out, m.outMode)
+		}
+	} else {
+		fmt.Printf("failed to get console mode for stdout: %v\n", err)
+	}
+
+	m.err = windows.Handle(os.Stderr.Fd())
+	if err := windows.GetConsoleMode(m.err, &m.errMode); err == nil {
+		if err := windows.SetConsoleMode(m.err, m.errMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING); err == nil {
+			m.errMode |= windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING
+		} else {
+			windows.SetConsoleMode(m.err, m.errMode)
+		}
+	} else {
+		fmt.Printf("failed to get console mode for stderr: %v\n", err)
+	}
+}
+
+type master struct {
+	in     windows.Handle
+	inMode uint32
+
+	out     windows.Handle
+	outMode uint32
+
+	err     windows.Handle
+	errMode uint32
+}
+
+func (m *master) SetRaw() error {
+	if err := makeInputRaw(m.in, m.inMode); err != nil {
+		return err
+	}
+
+	// Set StdOut and StdErr to raw mode, we ignore failures since
+	// windows.DISABLE_NEWLINE_AUTO_RETURN might not be supported on this version of
+	// Windows.
+
+	windows.SetConsoleMode(m.out, m.outMode|windows.DISABLE_NEWLINE_AUTO_RETURN)
+
+	windows.SetConsoleMode(m.err, m.errMode|windows.DISABLE_NEWLINE_AUTO_RETURN)
+
+	return nil
+}
+
+func (m *master) Reset() error {
+	for _, s := range []struct {
+		fd   windows.Handle
+		mode uint32
+	}{
+		{m.in, m.inMode},
+		{m.out, m.outMode},
+		{m.err, m.errMode},
+	} {
+		if err := windows.SetConsoleMode(s.fd, s.mode); err != nil {
+			return errors.Wrap(err, "unable to restore console mode")
+		}
+	}
+
+	return nil
+}
+
+func (m *master) Size() (WinSize, error) {
+	var info windows.ConsoleScreenBufferInfo
+	err := windows.GetConsoleScreenBufferInfo(m.out, &info)
+	if err != nil {
+		return WinSize{}, errors.Wrap(err, "unable to get console info")
+	}
+
+	winsize := WinSize{
+		Width:  uint16(info.Window.Right - info.Window.Left + 1),
+		Height: uint16(info.Window.Bottom - info.Window.Top + 1),
+	}
+
+	return winsize, nil
+}
+
+func (m *master) Resize(ws WinSize) error {
+	return ErrNotImplemented
+}
+
+func (m *master) ResizeFrom(c Console) error {
+	return ErrNotImplemented
+}
+
+func (m *master) DisableEcho() error {
+	mode := m.inMode &^ windows.ENABLE_ECHO_INPUT
+	mode |= windows.ENABLE_PROCESSED_INPUT
+	mode |= windows.ENABLE_LINE_INPUT
+
+	if err := windows.SetConsoleMode(m.in, mode); err != nil {
+		return errors.Wrap(err, "unable to set console to disable echo")
+	}
+
+	return nil
+}
+
+func (m *master) Close() error {
+	return nil
+}
+
+func (m *master) Read(b []byte) (int, error) {
+	return os.Stdin.Read(b)
+}
+
+func (m *master) Write(b []byte) (int, error) {
+	return os.Stdout.Write(b)
+}
+
+func (m *master) Fd() uintptr {
+	return uintptr(m.in)
+}
+
+// on windows, console can only be made from os.Std{in,out,err}, hence there
+// isnt a single name here we can use. Return a dummy "console" value in this
+// case should be sufficient.
+func (m *master) Name() string {
+	return "console"
+}
+
+// makeInputRaw puts the terminal (Windows Console) connected to the given
+// file descriptor into raw mode
+func makeInputRaw(fd windows.Handle, mode uint32) error {
+	// See
+	// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
+	// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
+
+	// Disable these modes
+	mode &^= windows.ENABLE_ECHO_INPUT
+	mode &^= windows.ENABLE_LINE_INPUT
+	mode &^= windows.ENABLE_MOUSE_INPUT
+	mode &^= windows.ENABLE_WINDOW_INPUT
+	mode &^= windows.ENABLE_PROCESSED_INPUT
+
+	// Enable these modes
+	mode |= windows.ENABLE_EXTENDED_FLAGS
+	mode |= windows.ENABLE_INSERT_MODE
+	mode |= windows.ENABLE_QUICK_EDIT_MODE
+
+	if vtInputSupported {
+		mode |= windows.ENABLE_VIRTUAL_TERMINAL_INPUT
+	}
+
+	if err := windows.SetConsoleMode(fd, mode); err != nil {
+		return errors.Wrap(err, "unable to set console to raw mode")
+	}
+
+	return nil
+}
+
+func checkConsole(f *os.File) error {
+	var mode uint32
+	if err := windows.GetConsoleMode(windows.Handle(f.Fd()), &mode); err != nil {
+		return err
+	}
+	return nil
+}
+
+func newMaster(f *os.File) (Console, error) {
+	if f != os.Stdin && f != os.Stdout && f != os.Stderr {
+		return nil, errors.New("creating a console from a file is not supported on windows")
+	}
+	m := &master{}
+	m.initStdios()
+	return m, nil
+}
diff --git a/vendor/github.com/containerd/console/tc_darwin.go b/vendor/github.com/containerd/console/tc_darwin.go
new file mode 100644
index 000000000..b0128abb0
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_darwin.go
@@ -0,0 +1,53 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"fmt"
+	"os"
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	cmdTcGet = unix.TIOCGETA
+	cmdTcSet = unix.TIOCSETA
+)
+
+func ioctl(fd, flag, data uintptr) error {
+	if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, flag, data); err != 0 {
+		return err
+	}
+	return nil
+}
+
+// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
+// unlockpt should be called before opening the slave side of a pty.
+func unlockpt(f *os.File) error {
+	var u int32
+	return ioctl(f.Fd(), unix.TIOCPTYUNLK, uintptr(unsafe.Pointer(&u)))
+}
+
+// ptsname retrieves the name of the first available pts for the given master.
+func ptsname(f *os.File) (string, error) {
+	n, err := unix.IoctlGetInt(int(f.Fd()), unix.TIOCPTYGNAME)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprintf("/dev/pts/%d", n), nil
+}
diff --git a/vendor/github.com/containerd/console/tc_freebsd.go b/vendor/github.com/containerd/console/tc_freebsd.go
new file mode 100644
index 000000000..04583a615
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_freebsd.go
@@ -0,0 +1,45 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"fmt"
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	cmdTcGet = unix.TIOCGETA
+	cmdTcSet = unix.TIOCSETA
+)
+
+// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
+// unlockpt should be called before opening the slave side of a pty.
+// This does not exist on FreeBSD, it does not allocate controlling terminals on open
+func unlockpt(f *os.File) error {
+	return nil
+}
+
+// ptsname retrieves the name of the first available pts for the given master.
+func ptsname(f *os.File) (string, error) {
+	n, err := unix.IoctlGetInt(int(f.Fd()), unix.TIOCGPTN)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprintf("/dev/pts/%d", n), nil
+}
diff --git a/vendor/github.com/containerd/console/tc_linux.go b/vendor/github.com/containerd/console/tc_linux.go
new file mode 100644
index 000000000..1bdd68e6d
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_linux.go
@@ -0,0 +1,49 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"fmt"
+	"os"
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	cmdTcGet = unix.TCGETS
+	cmdTcSet = unix.TCSETS
+)
+
+// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
+// unlockpt should be called before opening the slave side of a pty.
+func unlockpt(f *os.File) error {
+	var u int32
+	if _, _, err := unix.Syscall(unix.SYS_IOCTL, f.Fd(), unix.TIOCSPTLCK, uintptr(unsafe.Pointer(&u))); err != 0 {
+		return err
+	}
+	return nil
+}
+
+// ptsname retrieves the name of the first available pts for the given master.
+func ptsname(f *os.File) (string, error) {
+	var u uint32
+	if _, _, err := unix.Syscall(unix.SYS_IOCTL, f.Fd(), unix.TIOCGPTN, uintptr(unsafe.Pointer(&u))); err != 0 {
+		return "", err
+	}
+	return fmt.Sprintf("/dev/pts/%d", u), nil
+}
diff --git a/vendor/github.com/containerd/console/tc_openbsd_cgo.go b/vendor/github.com/containerd/console/tc_openbsd_cgo.go
new file mode 100644
index 000000000..f0cec06a7
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_openbsd_cgo.go
@@ -0,0 +1,51 @@
+// +build openbsd,cgo
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+//#include <stdlib.h>
+import "C"
+
+const (
+	cmdTcGet = unix.TIOCGETA
+	cmdTcSet = unix.TIOCSETA
+)
+
+// ptsname retrieves the name of the first available pts for the given master.
+func ptsname(f *os.File) (string, error) {
+	ptspath, err := C.ptsname(C.int(f.Fd()))
+	if err != nil {
+		return "", err
+	}
+	return C.GoString(ptspath), nil
+}
+
+// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
+// unlockpt should be called before opening the slave side of a pty.
+func unlockpt(f *os.File) error {
+	if _, err := C.grantpt(C.int(f.Fd())); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/vendor/github.com/containerd/console/tc_openbsd_nocgo.go b/vendor/github.com/containerd/console/tc_openbsd_nocgo.go
new file mode 100644
index 000000000..daccce205
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_openbsd_nocgo.go
@@ -0,0 +1,47 @@
+// +build openbsd,!cgo
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+//
+// Implementing the functions below requires cgo support.  Non-cgo stubs
+// versions are defined below to enable cross-compilation of source code
+// that depends on these functions, but the resultant cross-compiled
+// binaries cannot actually be used.  If the stub function(s) below are
+// actually invoked they will display an error message and cause the
+// calling process to exit.
+//
+
+package console
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	cmdTcGet = unix.TIOCGETA
+	cmdTcSet = unix.TIOCSETA
+)
+
+func ptsname(f *os.File) (string, error) {
+	panic("ptsname() support requires cgo.")
+}
+
+func unlockpt(f *os.File) error {
+	panic("unlockpt() support requires cgo.")
+}
diff --git a/vendor/github.com/containerd/console/tc_solaris_cgo.go b/vendor/github.com/containerd/console/tc_solaris_cgo.go
new file mode 100644
index 000000000..e36a68edd
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_solaris_cgo.go
@@ -0,0 +1,51 @@
+// +build solaris,cgo
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+//#include <stdlib.h>
+import "C"
+
+const (
+	cmdTcGet = unix.TCGETS
+	cmdTcSet = unix.TCSETS
+)
+
+// ptsname retrieves the name of the first available pts for the given master.
+func ptsname(f *os.File) (string, error) {
+	ptspath, err := C.ptsname(C.int(f.Fd()))
+	if err != nil {
+		return "", err
+	}
+	return C.GoString(ptspath), nil
+}
+
+// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
+// unlockpt should be called before opening the slave side of a pty.
+func unlockpt(f *os.File) error {
+	if _, err := C.grantpt(C.int(f.Fd())); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/vendor/github.com/containerd/console/tc_solaris_nocgo.go b/vendor/github.com/containerd/console/tc_solaris_nocgo.go
new file mode 100644
index 000000000..eb0bd2c36
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_solaris_nocgo.go
@@ -0,0 +1,47 @@
+// +build solaris,!cgo
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+//
+// Implementing the functions below requires cgo support.  Non-cgo stubs
+// versions are defined below to enable cross-compilation of source code
+// that depends on these functions, but the resultant cross-compiled
+// binaries cannot actually be used.  If the stub function(s) below are
+// actually invoked they will display an error message and cause the
+// calling process to exit.
+//
+
+package console
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	cmdTcGet = unix.TCGETS
+	cmdTcSet = unix.TCSETS
+)
+
+func ptsname(f *os.File) (string, error) {
+	panic("ptsname() support requires cgo.")
+}
+
+func unlockpt(f *os.File) error {
+	panic("unlockpt() support requires cgo.")
+}
diff --git a/vendor/github.com/containerd/console/tc_unix.go b/vendor/github.com/containerd/console/tc_unix.go
new file mode 100644
index 000000000..7ae773c53
--- /dev/null
+++ b/vendor/github.com/containerd/console/tc_unix.go
@@ -0,0 +1,91 @@
+// +build darwin freebsd linux openbsd solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+func tcget(fd uintptr, p *unix.Termios) error {
+	termios, err := unix.IoctlGetTermios(int(fd), cmdTcGet)
+	if err != nil {
+		return err
+	}
+	*p = *termios
+	return nil
+}
+
+func tcset(fd uintptr, p *unix.Termios) error {
+	return unix.IoctlSetTermios(int(fd), cmdTcSet, p)
+}
+
+func tcgwinsz(fd uintptr) (WinSize, error) {
+	var ws WinSize
+
+	uws, err := unix.IoctlGetWinsize(int(fd), unix.TIOCGWINSZ)
+	if err != nil {
+		return ws, err
+	}
+
+	// Translate from unix.Winsize to console.WinSize
+	ws.Height = uws.Row
+	ws.Width = uws.Col
+	ws.x = uws.Xpixel
+	ws.y = uws.Ypixel
+	return ws, nil
+}
+
+func tcswinsz(fd uintptr, ws WinSize) error {
+	// Translate from console.WinSize to unix.Winsize
+
+	var uws unix.Winsize
+	uws.Row = ws.Height
+	uws.Col = ws.Width
+	uws.Xpixel = ws.x
+	uws.Ypixel = ws.y
+
+	return unix.IoctlSetWinsize(int(fd), unix.TIOCSWINSZ, &uws)
+}
+
+func setONLCR(fd uintptr, enable bool) error {
+	var termios unix.Termios
+	if err := tcget(fd, &termios); err != nil {
+		return err
+	}
+	if enable {
+		// Set +onlcr so we can act like a real terminal
+		termios.Oflag |= unix.ONLCR
+	} else {
+		// Set -onlcr so we don't have to deal with \r.
+		termios.Oflag &^= unix.ONLCR
+	}
+	return tcset(fd, &termios)
+}
+
+func cfmakeraw(t unix.Termios) unix.Termios {
+	t.Iflag &^= (unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON)
+	t.Oflag &^= unix.OPOST
+	t.Lflag &^= (unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN)
+	t.Cflag &^= (unix.CSIZE | unix.PARENB)
+	t.Cflag &^= unix.CS8
+	t.Cc[unix.VMIN] = 1
+	t.Cc[unix.VTIME] = 0
+
+	return t
+}
diff --git a/vendor/github.com/containerd/containerd/LICENSE b/vendor/github.com/containerd/containerd/LICENSE
new file mode 100644
index 000000000..584149b6e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/LICENSE
@@ -0,0 +1,191 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        https://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   Copyright The containerd Authors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/containerd/NOTICE b/vendor/github.com/containerd/containerd/NOTICE
new file mode 100644
index 000000000..8915f0277
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/NOTICE
@@ -0,0 +1,16 @@
+Docker
+Copyright 2012-2015 Docker, Inc.
+
+This product includes software developed at Docker, Inc. (https://www.docker.com).
+
+The following is courtesy of our legal counsel:
+
+
+Use and transfer of Docker may be subject to certain restrictions by the
+United States and other governments.
+It is your responsibility to ensure that your use and/or transfer does not
+violate applicable laws.
+
+For more information, please see https://www.bis.doc.gov
+
+See also https://www.apache.org/dev/crypto.html and/or seek legal counsel.
diff --git a/vendor/github.com/containerd/containerd/README.md b/vendor/github.com/containerd/containerd/README.md
new file mode 100644
index 000000000..2055404b5
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/README.md
@@ -0,0 +1,251 @@
+![containerd banner](https://raw.githubusercontent.com/cncf/artwork/master/containerd/horizontal/color/containerd-horizontal-color.png)
+
+[![GoDoc](https://godoc.org/github.com/containerd/containerd?status.svg)](https://godoc.org/github.com/containerd/containerd)
+[![Build Status](https://travis-ci.org/containerd/containerd.svg?branch=master)](https://travis-ci.org/containerd/containerd)
+[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/containerd/containerd?branch=master&svg=true)](https://ci.appveyor.com/project/mlaventure/containerd-3g73f?branch=master)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd?ref=badge_shield)
+[![Go Report Card](https://goreportcard.com/badge/github.com/containerd/containerd)](https://goreportcard.com/report/github.com/containerd/containerd)
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1271/badge)](https://bestpractices.coreinfrastructure.org/projects/1271)
+
+containerd is an industry-standard container runtime with an emphasis on simplicity, robustness and portability. It is available as a daemon for Linux and Windows, which can manage the complete container lifecycle of its host system: image transfer and storage, container execution and supervision, low-level storage and network attachments, etc.
+
+containerd is designed to be embedded into a larger system, rather than being used directly by developers or end-users.
+
+![architecture](design/architecture.png)
+
+## Getting Started
+
+See our documentation on [containerd.io](https://containerd.io):
+* [for ops and admins](docs/ops.md)
+* [namespaces](docs/namespaces.md)
+* [client options](docs/client-opts.md)
+
+See how to build containerd from source at [BUILDING](BUILDING.md).
+
+If you are interested in trying out containerd see our example at [Getting Started](docs/getting-started.md).
+
+
+## Runtime Requirements
+
+Runtime requirements for containerd are very minimal. Most interactions with
+the Linux and Windows container feature sets are handled via [runc](https://github.com/opencontainers/runc) and/or
+OS-specific libraries (e.g. [hcsshim](https://github.com/Microsoft/hcsshim) for Microsoft). The current required version of `runc` is always listed in [RUNC.md](/RUNC.md).
+
+There are specific features
+used by containerd core code and snapshotters that will require a minimum kernel
+version on Linux. With the understood caveat of distro kernel versioning, a
+reasonable starting point for Linux is a minimum 4.x kernel version.
+
+The overlay filesystem snapshotter, used by default, uses features that were
+finalized in the 4.x kernel series. If you choose to use btrfs, there may
+be more flexibility in kernel version (minimum recommended is 3.18), but will
+require the btrfs kernel module and btrfs tools to be installed on your Linux
+distribution.
+
+To use Linux checkpoint and restore features, you will need `criu` installed on
+your system. See more details in [Checkpoint and Restore](#checkpoint-and-restore).
+
+Build requirements for developers are listed in [BUILDING](BUILDING.md).
+
+## Features
+
+### Client
+
+containerd offers a full client package to help you integrate containerd into your platform.
+
+```go
+
+import (
+  "github.com/containerd/containerd"
+  "github.com/containerd/containerd/cio"
+)
+
+
+func main() {
+	client, err := containerd.New("/run/containerd/containerd.sock")
+	defer client.Close()
+}
+
+```
+
+### Namespaces
+
+Namespaces allow multiple consumers to use the same containerd without conflicting with each other.  It has the benefit of sharing content but still having separation with containers and images.
+
+To set a namespace for requests to the API:
+
+```go
+context = context.Background()
+// create a context for docker
+docker = namespaces.WithNamespace(context, "docker")
+
+containerd, err := client.NewContainer(docker, "id")
+```
+
+To set a default namespace on the client:
+
+```go
+client, err := containerd.New(address, containerd.WithDefaultNamespace("docker"))
+```
+
+### Distribution
+
+```go
+// pull an image
+image, err := client.Pull(context, "docker.io/library/redis:latest")
+
+// push an image
+err := client.Push(context, "docker.io/library/redis:latest", image.Target())
+```
+
+### Containers
+
+In containerd, a container is a metadata object.  Resources such as an OCI runtime specification, image, root filesystem, and other metadata can be attached to a container.
+
+```go
+redis, err := client.NewContainer(context, "redis-master")
+defer redis.Delete(context)
+```
+
+### OCI Runtime Specification
+
+containerd fully supports the OCI runtime specification for running containers.  We have built in functions to help you generate runtime specifications based on images as well as custom parameters.
+
+You can specify options when creating a container about how to modify the specification.
+
+```go
+redis, err := client.NewContainer(context, "redis-master", containerd.WithNewSpec(oci.WithImageConfig(image)))
+```
+
+### Root Filesystems
+
+containerd allows you to use overlay or snapshot filesystems with your containers.  It comes with builtin support for overlayfs and btrfs.
+
+```go
+// pull an image and unpack it into the configured snapshotter
+image, err := client.Pull(context, "docker.io/library/redis:latest", containerd.WithPullUnpack)
+
+// allocate a new RW root filesystem for a container based on the image
+redis, err := client.NewContainer(context, "redis-master",
+	containerd.WithNewSnapshot("redis-rootfs", image),
+	containerd.WithNewSpec(oci.WithImageConfig(image)),
+)
+
+// use a readonly filesystem with multiple containers
+for i := 0; i < 10; i++ {
+	id := fmt.Sprintf("id-%s", i)
+	container, err := client.NewContainer(ctx, id,
+		containerd.WithNewSnapshotView(id, image),
+		containerd.WithNewSpec(oci.WithImageConfig(image)),
+	)
+}
+```
+
+### Tasks
+
+Taking a container object and turning it into a runnable process on a system is done by creating a new `Task` from the container.  A task represents the runnable object within containerd.
+
+```go
+// create a new task
+task, err := redis.NewTask(context, cio.Stdio)
+defer task.Delete(context)
+
+// the task is now running and has a pid that can be use to setup networking
+// or other runtime settings outside of containerd
+pid := task.Pid()
+
+// start the redis-server process inside the container
+err := task.Start(context)
+
+// wait for the task to exit and get the exit status
+status, err := task.Wait(context)
+```
+
+### Checkpoint and Restore
+
+If you have [criu](https://criu.org/Main_Page) installed on your machine you can checkpoint and restore containers and their tasks.  This allow you to clone and/or live migrate containers to other machines.
+
+```go
+// checkpoint the task then push it to a registry
+checkpoint, err := task.Checkpoint(context)
+
+err := client.Push(context, "myregistry/checkpoints/redis:master", checkpoint)
+
+// on a new machine pull the checkpoint and restore the redis container
+image, err := client.Pull(context, "myregistry/checkpoints/redis:master")
+
+checkpoint := image.Target()
+
+redis, err = client.NewContainer(context, "redis-master", containerd.WithCheckpoint(checkpoint, "redis-rootfs"))
+defer container.Delete(context)
+
+task, err = redis.NewTask(context, cio.Stdio, containerd.WithTaskCheckpoint(checkpoint))
+defer task.Delete(context)
+
+err := task.Start(context)
+```
+
+### Snapshot Plugins
+
+In addition to the built-in Snapshot plugins in containerd, additional external
+plugins can be configured using GRPC. An external plugin is made available using
+the configured name and appears as a plugin alongside the built-in ones.
+
+To add an external snapshot plugin, add the plugin to containerd's config file
+(by default at `/etc/containerd/config.toml`). The string following
+`proxy_plugin.` will be used as the name of the snapshotter and the address
+should refer to a socket with a GRPC listener serving containerd's Snapshot
+GRPC API. Remember to restart containerd for any configuration changes to take
+effect.
+
+```
+[proxy_plugins]
+  [proxy_plugins.customsnapshot]
+    type = "snapshot"
+    address =  "/var/run/mysnapshotter.sock"
+```
+
+See [PLUGINS.md](PLUGINS.md) for how to create plugins
+
+### Releases and API Stability
+
+Please see [RELEASES.md](RELEASES.md) for details on versioning and stability
+of containerd components.
+
+### Development reports.
+
+Weekly summary on the progress and what is being worked on.
+https://github.com/containerd/containerd/tree/master/reports
+
+### Communication
+
+For async communication and long running discussions please use issues and pull requests on the github repo.
+This will be the best place to discuss design and implementation.
+
+For sync communication we have a community slack with a #containerd channel that everyone is welcome to join and chat about development.
+
+**Slack:** https://join.slack.com/t/dockercommunity/shared_invite/enQtNDM4NjAwNDMyOTUwLWZlMDZmYWRjZjk4Zjc5ZGQ5NWZkOWI1Yjk2NGE3ZWVlYjYxM2VhYjczOWIyZDFhZTE3NTUwZWQzMjhmNGYyZTg
+
+### Reporting security issues
+
+__If you are reporting a security issue, please reach out discreetly at security@containerd.io__.
+
+## Licenses
+
+The containerd codebase is released under the [Apache 2.0 license](LICENSE.code).
+The README.md file, and files in the "docs" folder are licensed under the
+Creative Commons Attribution 4.0 International License. You may obtain a
+copy of the license, titled CC-BY-4.0, at http://creativecommons.org/licenses/by/4.0/.
+
+## Project details
+
+**containerd** is the primary open source project within the broader containerd GitHub repository.
+However, all projects within the repo have common maintainership, governance, and contributing
+guidelines which are stored in a `project` repository commonly for all containerd projects.
+
+Please find all these core project documents, including the:
+ * [Project governance](https://github.com/containerd/project/blob/master/GOVERNANCE.md),
+ * [Maintainers](https://github.com/containerd/project/blob/master/MAINTAINERS),
+ * and [Contributing guidelines](https://github.com/containerd/project/blob/master/CONTRIBUTING.md)
+
+information in our [`containerd/project`](https://github.com/containerd/project) repository.
diff --git a/vendor/github.com/containerd/containerd/api/README.md b/vendor/github.com/containerd/containerd/api/README.md
new file mode 100644
index 000000000..f6eb28c6a
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/README.md
@@ -0,0 +1,18 @@
+This directory contains the GRPC API definitions for containerd.
+
+All defined services and messages have been aggregated into `*.pb.txt`
+descriptors files in this directory. Definitions present here are considered
+frozen after the release.
+
+At release time, the current `next.pb.txt` file will be moved into place to
+freeze the API changes for the minor version. For example, when 1.0.0 is
+released, `next.pb.txt` should be moved to `1.0.txt`. Notice that we leave off
+the patch number, since the API will be completely locked down for a given
+patch series.
+
+We may find that by default, protobuf descriptors are too noisy to lock down
+API changes. In that case, we may filter out certain fields in the descriptors,
+possibly regenerating for old versions.
+
+This process is similar to the [process used to ensure backwards compatibility
+in Go](https://github.com/golang/go/tree/master/api).
diff --git a/vendor/github.com/containerd/containerd/api/events/container.pb.go b/vendor/github.com/containerd/containerd/api/events/container.pb.go
new file mode 100644
index 000000000..c89d97f3e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/container.pb.go
@@ -0,0 +1,1238 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/events/container.proto
+
+/*
+	Package events is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/api/events/container.proto
+		github.com/containerd/containerd/api/events/content.proto
+		github.com/containerd/containerd/api/events/image.proto
+		github.com/containerd/containerd/api/events/namespace.proto
+		github.com/containerd/containerd/api/events/snapshot.proto
+		github.com/containerd/containerd/api/events/task.proto
+
+	It has these top-level messages:
+		ContainerCreate
+		ContainerUpdate
+		ContainerDelete
+		ContentDelete
+		ImageCreate
+		ImageUpdate
+		ImageDelete
+		NamespaceCreate
+		NamespaceUpdate
+		NamespaceDelete
+		SnapshotPrepare
+		SnapshotCommit
+		SnapshotRemove
+		TaskCreate
+		TaskStart
+		TaskDelete
+		TaskIO
+		TaskExit
+		TaskOOM
+		TaskExecAdded
+		TaskExecStarted
+		TaskPaused
+		TaskResumed
+		TaskCheckpointed
+*/
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import google_protobuf "github.com/gogo/protobuf/types"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+// skipping weak import containerd_plugin "github.com/containerd/containerd/protobuf/plugin"
+
+import typeurl "github.com/containerd/typeurl"
+
+import strings "strings"
+import reflect "reflect"
+import sortkeys "github.com/gogo/protobuf/sortkeys"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+type ContainerCreate struct {
+	ID      string                   `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Image   string                   `protobuf:"bytes,2,opt,name=image,proto3" json:"image,omitempty"`
+	Runtime *ContainerCreate_Runtime `protobuf:"bytes,3,opt,name=runtime" json:"runtime,omitempty"`
+}
+
+func (m *ContainerCreate) Reset()                    { *m = ContainerCreate{} }
+func (*ContainerCreate) ProtoMessage()               {}
+func (*ContainerCreate) Descriptor() ([]byte, []int) { return fileDescriptorContainer, []int{0} }
+
+type ContainerCreate_Runtime struct {
+	Name    string               `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Options *google_protobuf.Any `protobuf:"bytes,2,opt,name=options" json:"options,omitempty"`
+}
+
+func (m *ContainerCreate_Runtime) Reset()      { *m = ContainerCreate_Runtime{} }
+func (*ContainerCreate_Runtime) ProtoMessage() {}
+func (*ContainerCreate_Runtime) Descriptor() ([]byte, []int) {
+	return fileDescriptorContainer, []int{0, 0}
+}
+
+type ContainerUpdate struct {
+	ID          string            `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Image       string            `protobuf:"bytes,2,opt,name=image,proto3" json:"image,omitempty"`
+	Labels      map[string]string `protobuf:"bytes,3,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	SnapshotKey string            `protobuf:"bytes,4,opt,name=snapshot_key,json=snapshotKey,proto3" json:"snapshot_key,omitempty"`
+}
+
+func (m *ContainerUpdate) Reset()                    { *m = ContainerUpdate{} }
+func (*ContainerUpdate) ProtoMessage()               {}
+func (*ContainerUpdate) Descriptor() ([]byte, []int) { return fileDescriptorContainer, []int{1} }
+
+type ContainerDelete struct {
+	ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *ContainerDelete) Reset()                    { *m = ContainerDelete{} }
+func (*ContainerDelete) ProtoMessage()               {}
+func (*ContainerDelete) Descriptor() ([]byte, []int) { return fileDescriptorContainer, []int{2} }
+
+func init() {
+	proto.RegisterType((*ContainerCreate)(nil), "containerd.events.ContainerCreate")
+	proto.RegisterType((*ContainerCreate_Runtime)(nil), "containerd.events.ContainerCreate.Runtime")
+	proto.RegisterType((*ContainerUpdate)(nil), "containerd.events.ContainerUpdate")
+	proto.RegisterType((*ContainerDelete)(nil), "containerd.events.ContainerDelete")
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ContainerCreate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "id":
+		return string(m.ID), len(m.ID) > 0
+	case "image":
+		return string(m.Image), len(m.Image) > 0
+	case "runtime":
+		// NOTE(stevvooe): This is probably not correct in many cases.
+		// We assume that the target message also implements the Field
+		// method, which isn't likely true in a lot of cases.
+		//
+		// If you have a broken build and have found this comment,
+		// you may be closer to a solution.
+		if m.Runtime == nil {
+			return "", false
+		}
+
+		return m.Runtime.Field(fieldpath[1:])
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ContainerCreate_Runtime) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	case "options":
+		decoded, err := typeurl.UnmarshalAny(m.Options)
+		if err != nil {
+			return "", false
+		}
+
+		adaptor, ok := decoded.(interface{ Field([]string) (string, bool) })
+		if !ok {
+			return "", false
+		}
+		return adaptor.Field(fieldpath[1:])
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ContainerUpdate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "id":
+		return string(m.ID), len(m.ID) > 0
+	case "image":
+		return string(m.Image), len(m.Image) > 0
+	case "labels":
+		// Labels fields have been special-cased by name. If this breaks,
+		// add better special casing to fieldpath plugin.
+		if len(m.Labels) == 0 {
+			return "", false
+		}
+		value, ok := m.Labels[strings.Join(fieldpath[1:], ".")]
+		return value, ok
+	case "snapshot_key":
+		return string(m.SnapshotKey), len(m.SnapshotKey) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ContainerDelete) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "id":
+		return string(m.ID), len(m.ID) > 0
+	}
+	return "", false
+}
+func (m *ContainerCreate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ContainerCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if len(m.Image) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.Image)))
+		i += copy(dAtA[i:], m.Image)
+	}
+	if m.Runtime != nil {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(m.Runtime.Size()))
+		n1, err := m.Runtime.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n1
+	}
+	return i, nil
+}
+
+func (m *ContainerCreate_Runtime) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ContainerCreate_Runtime) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if m.Options != nil {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(m.Options.Size()))
+		n2, err := m.Options.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n2
+	}
+	return i, nil
+}
+
+func (m *ContainerUpdate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ContainerUpdate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if len(m.Image) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.Image)))
+		i += copy(dAtA[i:], m.Image)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x1a
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovContainer(uint64(len(k))) + 1 + len(v) + sovContainer(uint64(len(v)))
+			i = encodeVarintContainer(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintContainer(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintContainer(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	if len(m.SnapshotKey) > 0 {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.SnapshotKey)))
+		i += copy(dAtA[i:], m.SnapshotKey)
+	}
+	return i, nil
+}
+
+func (m *ContainerDelete) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ContainerDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	return i, nil
+}
+
+func encodeVarintContainer(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *ContainerCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	l = len(m.Image)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	if m.Runtime != nil {
+		l = m.Runtime.Size()
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func (m *ContainerCreate_Runtime) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	if m.Options != nil {
+		l = m.Options.Size()
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func (m *ContainerUpdate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	l = len(m.Image)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovContainer(uint64(len(k))) + 1 + len(v) + sovContainer(uint64(len(v)))
+			n += mapEntrySize + 1 + sovContainer(uint64(mapEntrySize))
+		}
+	}
+	l = len(m.SnapshotKey)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func (m *ContainerDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func sovContainer(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozContainer(x uint64) (n int) {
+	return sovContainer(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *ContainerCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContainerCreate{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Image:` + fmt.Sprintf("%v", this.Image) + `,`,
+		`Runtime:` + strings.Replace(fmt.Sprintf("%v", this.Runtime), "ContainerCreate_Runtime", "ContainerCreate_Runtime", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ContainerCreate_Runtime) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContainerCreate_Runtime{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Options:` + strings.Replace(fmt.Sprintf("%v", this.Options), "Any", "google_protobuf.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ContainerUpdate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&ContainerUpdate{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Image:` + fmt.Sprintf("%v", this.Image) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`SnapshotKey:` + fmt.Sprintf("%v", this.SnapshotKey) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ContainerDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContainerDelete{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringContainer(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *ContainerCreate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowContainer
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ContainerCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContainerCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Image", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Image = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Runtime", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Runtime == nil {
+				m.Runtime = &ContainerCreate_Runtime{}
+			}
+			if err := m.Runtime.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ContainerCreate_Runtime) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowContainer
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Runtime: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Runtime: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Options", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Options == nil {
+				m.Options = &google_protobuf.Any{}
+			}
+			if err := m.Options.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ContainerUpdate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowContainer
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ContainerUpdate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContainerUpdate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Image", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Image = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			var mapkey string
+			var mapvalue string
+			for iNdEx < postIndex {
+				entryPreIndex := iNdEx
+				var wire uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowContainer
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					wire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				fieldNum := int32(wire >> 3)
+				if fieldNum == 1 {
+					var stringLenmapkey uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowContainer
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapkey |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapkey := int(stringLenmapkey)
+					if intStringLenmapkey < 0 {
+						return ErrInvalidLengthContainer
+					}
+					postStringIndexmapkey := iNdEx + intStringLenmapkey
+					if postStringIndexmapkey > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
+					iNdEx = postStringIndexmapkey
+				} else if fieldNum == 2 {
+					var stringLenmapvalue uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowContainer
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapvalue := int(stringLenmapvalue)
+					if intStringLenmapvalue < 0 {
+						return ErrInvalidLengthContainer
+					}
+					postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+					if postStringIndexmapvalue > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapvalue = string(dAtA[iNdEx:postStringIndexmapvalue])
+					iNdEx = postStringIndexmapvalue
+				} else {
+					iNdEx = entryPreIndex
+					skippy, err := skipContainer(dAtA[iNdEx:])
+					if err != nil {
+						return err
+					}
+					if skippy < 0 {
+						return ErrInvalidLengthContainer
+					}
+					if (iNdEx + skippy) > postIndex {
+						return io.ErrUnexpectedEOF
+					}
+					iNdEx += skippy
+				}
+			}
+			m.Labels[mapkey] = mapvalue
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SnapshotKey", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.SnapshotKey = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ContainerDelete) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowContainer
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ContainerDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContainerDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipContainer(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowContainer
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthContainer
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowContainer
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipContainer(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthContainer = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowContainer   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/events/container.proto", fileDescriptorContainer)
+}
+
+var fileDescriptorContainer = []byte{
+	// 413 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x92, 0xc1, 0x0a, 0xd3, 0x30,
+	0x18, 0xc7, 0x97, 0x76, 0x6e, 0x98, 0x0a, 0x6a, 0x18, 0x52, 0x7b, 0xa8, 0x73, 0xa7, 0xe9, 0x21,
+	0x85, 0x7a, 0x51, 0x77, 0xd1, 0x6d, 0x0a, 0xa2, 0x82, 0x14, 0x84, 0xe1, 0x45, 0xd2, 0x35, 0xeb,
+	0x82, 0x6d, 0x52, 0xda, 0x74, 0xd0, 0x9b, 0x8f, 0xe2, 0xe3, 0xec, 0xe8, 0xc1, 0x83, 0x27, 0x71,
+	0x05, 0xdf, 0xc0, 0x07, 0x90, 0x26, 0xeb, 0x56, 0x14, 0x95, 0x9d, 0xfa, 0xcf, 0xd7, 0xff, 0x3f,
+	0xdf, 0xf7, 0xfb, 0x08, 0x9c, 0xc5, 0x4c, 0x6e, 0xcb, 0x10, 0xaf, 0x45, 0xea, 0xad, 0x05, 0x97,
+	0x84, 0x71, 0x9a, 0x47, 0x5d, 0x49, 0x32, 0xe6, 0xd1, 0x1d, 0xe5, 0xb2, 0x38, 0x57, 0x71, 0x96,
+	0x0b, 0x29, 0xd0, 0xcd, 0xb3, 0x0d, 0x6b, 0x8b, 0x73, 0x3b, 0x16, 0x22, 0x4e, 0xa8, 0xa7, 0x0c,
+	0x61, 0xb9, 0xf1, 0x08, 0xaf, 0xb4, 0xdb, 0x19, 0xc5, 0x22, 0x16, 0x4a, 0x7a, 0x8d, 0x3a, 0x56,
+	0x9f, 0xfc, 0x77, 0x80, 0xd3, 0x55, 0x59, 0x52, 0xc6, 0x8c, 0x7b, 0x1b, 0x46, 0x93, 0x28, 0x23,
+	0x72, 0xab, 0x6f, 0x98, 0x7c, 0x01, 0xf0, 0xfa, 0xa2, 0xb5, 0x2f, 0x72, 0x4a, 0x24, 0x45, 0xb7,
+	0xa0, 0xc1, 0x22, 0x1b, 0x8c, 0xc1, 0xf4, 0xea, 0x7c, 0x50, 0x7f, 0xbb, 0x63, 0xbc, 0x58, 0x06,
+	0x06, 0x8b, 0xd0, 0x08, 0x5e, 0x61, 0x29, 0x89, 0xa9, 0x6d, 0x34, 0xbf, 0x02, 0x7d, 0x40, 0x4b,
+	0x38, 0xcc, 0x4b, 0x2e, 0x59, 0x4a, 0x6d, 0x73, 0x0c, 0xa6, 0x96, 0x7f, 0x1f, 0xff, 0x41, 0x86,
+	0x7f, 0x6b, 0x81, 0x03, 0x9d, 0x08, 0xda, 0xa8, 0xf3, 0x1a, 0x0e, 0x8f, 0x35, 0x84, 0x60, 0x9f,
+	0x93, 0x94, 0xea, 0x01, 0x02, 0xa5, 0x11, 0x86, 0x43, 0x91, 0x49, 0x26, 0x78, 0xa1, 0x9a, 0x5b,
+	0xfe, 0x08, 0xeb, 0x5d, 0xe1, 0x16, 0x10, 0x3f, 0xe5, 0x55, 0xd0, 0x9a, 0x26, 0x3f, 0xba, 0x58,
+	0x6f, 0xb3, 0xe8, 0x72, 0xac, 0xe7, 0x70, 0x90, 0x90, 0x90, 0x26, 0x85, 0x6d, 0x8e, 0xcd, 0xa9,
+	0xe5, 0xe3, 0x7f, 0x51, 0xe9, 0x0e, 0xf8, 0x95, 0x0a, 0x3c, 0xe3, 0x32, 0xaf, 0x82, 0x63, 0x1a,
+	0xdd, 0x85, 0xd7, 0x0a, 0x4e, 0xb2, 0x62, 0x2b, 0xe4, 0xfb, 0x0f, 0xb4, 0xb2, 0xfb, 0xaa, 0x89,
+	0xd5, 0xd6, 0x5e, 0xd2, 0xca, 0x79, 0x04, 0xad, 0x4e, 0x12, 0xdd, 0x80, 0x66, 0x63, 0xd4, 0xf8,
+	0x8d, 0x6c, 0x26, 0xdc, 0x91, 0xa4, 0x3c, 0x4d, 0xa8, 0x0e, 0x8f, 0x8d, 0x87, 0x60, 0x72, 0xaf,
+	0x83, 0xb9, 0xa4, 0x09, 0xfd, 0x3b, 0xe6, 0xfc, 0xcd, 0xfe, 0xe0, 0xf6, 0xbe, 0x1e, 0xdc, 0xde,
+	0xc7, 0xda, 0x05, 0xfb, 0xda, 0x05, 0x9f, 0x6b, 0x17, 0x7c, 0xaf, 0x5d, 0xf0, 0xe9, 0xa7, 0x0b,
+	0xde, 0xf9, 0x17, 0x3c, 0xe5, 0x99, 0xfe, 0xac, 0xc0, 0xca, 0x08, 0x07, 0x6a, 0xff, 0x0f, 0x7e,
+	0x05, 0x00, 0x00, 0xff, 0xff, 0xf5, 0x09, 0xe0, 0xd6, 0x0b, 0x03, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/container.proto b/vendor/github.com/containerd/containerd/api/events/container.proto
new file mode 100644
index 000000000..13aa5848c
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/container.proto
@@ -0,0 +1,31 @@
+syntax = "proto3";
+
+package containerd.events;
+
+import "google/protobuf/any.proto";
+import weak "gogoproto/gogo.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message ContainerCreate {
+	string id = 1;
+	string image = 2;
+	message Runtime {
+		string name = 1;
+		google.protobuf.Any options = 2;
+	}
+	Runtime runtime = 3;
+}
+
+message ContainerUpdate {
+	string id = 1;
+	string image = 2;
+	map<string, string> labels  = 3;
+	string snapshot_key = 4;
+}
+
+message ContainerDelete {
+	string id = 1;
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/content.pb.go b/vendor/github.com/containerd/containerd/api/events/content.pb.go
new file mode 100644
index 000000000..87648d193
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/content.pb.go
@@ -0,0 +1,329 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/events/content.proto
+
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+// skipping weak import containerd_plugin "github.com/containerd/containerd/protobuf/plugin"
+
+import github_com_opencontainers_go_digest "github.com/opencontainers/go-digest"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type ContentDelete struct {
+	Digest github_com_opencontainers_go_digest.Digest `protobuf:"bytes,1,opt,name=digest,proto3,customtype=github.com/opencontainers/go-digest.Digest" json:"digest"`
+}
+
+func (m *ContentDelete) Reset()                    { *m = ContentDelete{} }
+func (*ContentDelete) ProtoMessage()               {}
+func (*ContentDelete) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{0} }
+
+func init() {
+	proto.RegisterType((*ContentDelete)(nil), "containerd.events.ContentDelete")
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ContentDelete) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "digest":
+		return string(m.Digest), len(m.Digest) > 0
+	}
+	return "", false
+}
+func (m *ContentDelete) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ContentDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Digest) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContent(dAtA, i, uint64(len(m.Digest)))
+		i += copy(dAtA[i:], m.Digest)
+	}
+	return i, nil
+}
+
+func encodeVarintContent(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *ContentDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Digest)
+	if l > 0 {
+		n += 1 + l + sovContent(uint64(l))
+	}
+	return n
+}
+
+func sovContent(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozContent(x uint64) (n int) {
+	return sovContent(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *ContentDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContentDelete{`,
+		`Digest:` + fmt.Sprintf("%v", this.Digest) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringContent(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *ContentDelete) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowContent
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ContentDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContentDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Digest", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContent
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Digest = github_com_opencontainers_go_digest.Digest(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContent(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContent
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipContent(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowContent
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthContent
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowContent
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipContent(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthContent = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowContent   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/events/content.proto", fileDescriptorContent)
+}
+
+var fileDescriptorContent = []byte{
+	// 228 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4c, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0xa7, 0x96, 0xa5, 0xe6, 0x95, 0x14, 0x83, 0x45, 0x53,
+	0xf3, 0x4a, 0xf4, 0x0a, 0x8a, 0xf2, 0x4b, 0xf2, 0x85, 0x04, 0x11, 0x8a, 0xf4, 0x20, 0x0a, 0xa4,
+	0x44, 0xd2, 0xf3, 0xd3, 0xf3, 0xc1, 0xb2, 0xfa, 0x20, 0x16, 0x44, 0xa1, 0x94, 0x03, 0x41, 0x3b,
+	0xc0, 0xea, 0x92, 0x4a, 0xd3, 0xf4, 0x0b, 0x72, 0x4a, 0xd3, 0x33, 0xf3, 0xf4, 0xd3, 0x32, 0x53,
+	0x73, 0x52, 0x0a, 0x12, 0x4b, 0x32, 0x20, 0x26, 0x28, 0x45, 0x73, 0xf1, 0x3a, 0x43, 0xec, 0x76,
+	0x49, 0xcd, 0x49, 0x2d, 0x49, 0x15, 0xf2, 0xe2, 0x62, 0x4b, 0xc9, 0x4c, 0x4f, 0x2d, 0x2e, 0x91,
+	0x60, 0x54, 0x60, 0xd4, 0xe0, 0x74, 0x32, 0x3a, 0x71, 0x4f, 0x9e, 0xe1, 0xd6, 0x3d, 0x79, 0x2d,
+	0x24, 0xab, 0xf2, 0x0b, 0x52, 0xf3, 0xe0, 0x76, 0x14, 0xeb, 0xa7, 0xe7, 0xeb, 0x42, 0xb4, 0xe8,
+	0xb9, 0x80, 0xa9, 0x20, 0xa8, 0x09, 0x4e, 0x01, 0x27, 0x1e, 0xca, 0x31, 0xdc, 0x78, 0x28, 0xc7,
+	0xd0, 0xf0, 0x48, 0x8e, 0xf1, 0xc4, 0x23, 0x39, 0xc6, 0x0b, 0x8f, 0xe4, 0x18, 0x1f, 0x3c, 0x92,
+	0x63, 0x5c, 0xf0, 0x45, 0x8e, 0x31, 0xca, 0x88, 0x84, 0x00, 0xb2, 0x86, 0x50, 0x11, 0x0c, 0x11,
+	0x8c, 0x49, 0x6c, 0x60, 0x97, 0x1b, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x4b, 0x78, 0x99, 0xee,
+	0x61, 0x01, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/content.proto b/vendor/github.com/containerd/containerd/api/events/content.proto
new file mode 100644
index 000000000..aba50716f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/content.proto
@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package containerd.events;
+
+import weak "gogoproto/gogo.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message ContentDelete {
+	string digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/doc.go b/vendor/github.com/containerd/containerd/api/events/doc.go
new file mode 100644
index 000000000..354bef79f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/doc.go
@@ -0,0 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+// Package events has protobuf types for various events that are used in
+// containerd.
+package events
diff --git a/vendor/github.com/containerd/containerd/api/events/image.pb.go b/vendor/github.com/containerd/containerd/api/events/image.pb.go
new file mode 100644
index 000000000..8197005b6
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/image.pb.go
@@ -0,0 +1,949 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/events/image.proto
+
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import containerd_plugin "github.com/containerd/containerd/protobuf/plugin"
+
+import strings "strings"
+import reflect "reflect"
+import sortkeys "github.com/gogo/protobuf/sortkeys"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type ImageCreate struct {
+	Name   string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels map[string]string `protobuf:"bytes,2,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *ImageCreate) Reset()                    { *m = ImageCreate{} }
+func (*ImageCreate) ProtoMessage()               {}
+func (*ImageCreate) Descriptor() ([]byte, []int) { return fileDescriptorImage, []int{0} }
+
+type ImageUpdate struct {
+	Name   string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels map[string]string `protobuf:"bytes,2,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *ImageUpdate) Reset()                    { *m = ImageUpdate{} }
+func (*ImageUpdate) ProtoMessage()               {}
+func (*ImageUpdate) Descriptor() ([]byte, []int) { return fileDescriptorImage, []int{1} }
+
+type ImageDelete struct {
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *ImageDelete) Reset()                    { *m = ImageDelete{} }
+func (*ImageDelete) ProtoMessage()               {}
+func (*ImageDelete) Descriptor() ([]byte, []int) { return fileDescriptorImage, []int{2} }
+
+func init() {
+	proto.RegisterType((*ImageCreate)(nil), "containerd.services.images.v1.ImageCreate")
+	proto.RegisterType((*ImageUpdate)(nil), "containerd.services.images.v1.ImageUpdate")
+	proto.RegisterType((*ImageDelete)(nil), "containerd.services.images.v1.ImageDelete")
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ImageCreate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	case "labels":
+		// Labels fields have been special-cased by name. If this breaks,
+		// add better special casing to fieldpath plugin.
+		if len(m.Labels) == 0 {
+			return "", false
+		}
+		value, ok := m.Labels[strings.Join(fieldpath[1:], ".")]
+		return value, ok
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ImageUpdate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	case "labels":
+		// Labels fields have been special-cased by name. If this breaks,
+		// add better special casing to fieldpath plugin.
+		if len(m.Labels) == 0 {
+			return "", false
+		}
+		value, ok := m.Labels[strings.Join(fieldpath[1:], ".")]
+		return value, ok
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *ImageDelete) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	}
+	return "", false
+}
+func (m *ImageCreate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ImageCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintImage(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x12
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovImage(uint64(len(k))) + 1 + len(v) + sovImage(uint64(len(v)))
+			i = encodeVarintImage(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintImage(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintImage(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	return i, nil
+}
+
+func (m *ImageUpdate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ImageUpdate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintImage(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x12
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovImage(uint64(len(k))) + 1 + len(v) + sovImage(uint64(len(v)))
+			i = encodeVarintImage(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintImage(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintImage(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	return i, nil
+}
+
+func (m *ImageDelete) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ImageDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintImage(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	return i, nil
+}
+
+func encodeVarintImage(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *ImageCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovImage(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovImage(uint64(len(k))) + 1 + len(v) + sovImage(uint64(len(v)))
+			n += mapEntrySize + 1 + sovImage(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
+func (m *ImageUpdate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovImage(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovImage(uint64(len(k))) + 1 + len(v) + sovImage(uint64(len(v)))
+			n += mapEntrySize + 1 + sovImage(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
+func (m *ImageDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovImage(uint64(l))
+	}
+	return n
+}
+
+func sovImage(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozImage(x uint64) (n int) {
+	return sovImage(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *ImageCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&ImageCreate{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ImageUpdate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&ImageUpdate{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ImageDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ImageDelete{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringImage(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *ImageCreate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowImage
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ImageCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ImageCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			var mapkey string
+			var mapvalue string
+			for iNdEx < postIndex {
+				entryPreIndex := iNdEx
+				var wire uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowImage
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					wire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				fieldNum := int32(wire >> 3)
+				if fieldNum == 1 {
+					var stringLenmapkey uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowImage
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapkey |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapkey := int(stringLenmapkey)
+					if intStringLenmapkey < 0 {
+						return ErrInvalidLengthImage
+					}
+					postStringIndexmapkey := iNdEx + intStringLenmapkey
+					if postStringIndexmapkey > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
+					iNdEx = postStringIndexmapkey
+				} else if fieldNum == 2 {
+					var stringLenmapvalue uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowImage
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapvalue := int(stringLenmapvalue)
+					if intStringLenmapvalue < 0 {
+						return ErrInvalidLengthImage
+					}
+					postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+					if postStringIndexmapvalue > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapvalue = string(dAtA[iNdEx:postStringIndexmapvalue])
+					iNdEx = postStringIndexmapvalue
+				} else {
+					iNdEx = entryPreIndex
+					skippy, err := skipImage(dAtA[iNdEx:])
+					if err != nil {
+						return err
+					}
+					if skippy < 0 {
+						return ErrInvalidLengthImage
+					}
+					if (iNdEx + skippy) > postIndex {
+						return io.ErrUnexpectedEOF
+					}
+					iNdEx += skippy
+				}
+			}
+			m.Labels[mapkey] = mapvalue
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipImage(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthImage
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ImageUpdate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowImage
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ImageUpdate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ImageUpdate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			var mapkey string
+			var mapvalue string
+			for iNdEx < postIndex {
+				entryPreIndex := iNdEx
+				var wire uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowImage
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					wire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				fieldNum := int32(wire >> 3)
+				if fieldNum == 1 {
+					var stringLenmapkey uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowImage
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapkey |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapkey := int(stringLenmapkey)
+					if intStringLenmapkey < 0 {
+						return ErrInvalidLengthImage
+					}
+					postStringIndexmapkey := iNdEx + intStringLenmapkey
+					if postStringIndexmapkey > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
+					iNdEx = postStringIndexmapkey
+				} else if fieldNum == 2 {
+					var stringLenmapvalue uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowImage
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapvalue := int(stringLenmapvalue)
+					if intStringLenmapvalue < 0 {
+						return ErrInvalidLengthImage
+					}
+					postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+					if postStringIndexmapvalue > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapvalue = string(dAtA[iNdEx:postStringIndexmapvalue])
+					iNdEx = postStringIndexmapvalue
+				} else {
+					iNdEx = entryPreIndex
+					skippy, err := skipImage(dAtA[iNdEx:])
+					if err != nil {
+						return err
+					}
+					if skippy < 0 {
+						return ErrInvalidLengthImage
+					}
+					if (iNdEx + skippy) > postIndex {
+						return io.ErrUnexpectedEOF
+					}
+					iNdEx += skippy
+				}
+			}
+			m.Labels[mapkey] = mapvalue
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipImage(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthImage
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ImageDelete) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowImage
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ImageDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ImageDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipImage(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthImage
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipImage(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowImage
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthImage
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowImage
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipImage(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthImage = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowImage   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/events/image.proto", fileDescriptorImage)
+}
+
+var fileDescriptorImage = []byte{
+	// 292 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x32, 0x4f, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0xa7, 0x96, 0xa5, 0xe6, 0x95, 0x14, 0xeb, 0x67, 0xe6,
+	0x26, 0xa6, 0xa7, 0xea, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0xc9, 0x22, 0x94, 0xe8, 0x15, 0xa7,
+	0x16, 0x95, 0x65, 0x26, 0xa7, 0x16, 0xeb, 0x81, 0x15, 0x14, 0xeb, 0x95, 0x19, 0x4a, 0x39, 0x10,
+	0x34, 0x17, 0x6c, 0x4c, 0x52, 0x69, 0x9a, 0x7e, 0x41, 0x4e, 0x69, 0x7a, 0x66, 0x9e, 0x7e, 0x5a,
+	0x66, 0x6a, 0x4e, 0x4a, 0x41, 0x62, 0x49, 0x06, 0xc4, 0x02, 0xa5, 0x35, 0x8c, 0x5c, 0xdc, 0x9e,
+	0x20, 0xf3, 0x9c, 0x8b, 0x52, 0x13, 0x4b, 0x52, 0x85, 0x84, 0xb8, 0x58, 0xf2, 0x12, 0x73, 0x53,
+	0x25, 0x18, 0x15, 0x18, 0x35, 0x38, 0x83, 0xc0, 0x6c, 0x21, 0x3f, 0x2e, 0xb6, 0x9c, 0xc4, 0xa4,
+	0xd4, 0x9c, 0x62, 0x09, 0x26, 0x05, 0x66, 0x0d, 0x6e, 0x23, 0x33, 0x3d, 0xbc, 0xae, 0xd2, 0x43,
+	0x32, 0x4f, 0xcf, 0x07, 0xac, 0xd1, 0x35, 0xaf, 0xa4, 0xa8, 0x32, 0x08, 0x6a, 0x8a, 0x94, 0x25,
+	0x17, 0x37, 0x92, 0xb0, 0x90, 0x00, 0x17, 0x73, 0x76, 0x6a, 0x25, 0xd4, 0x46, 0x10, 0x53, 0x48,
+	0x84, 0x8b, 0xb5, 0x2c, 0x31, 0xa7, 0x34, 0x55, 0x82, 0x09, 0x2c, 0x06, 0xe1, 0x58, 0x31, 0x59,
+	0x30, 0x22, 0x9c, 0x1b, 0x5a, 0x90, 0x42, 0x55, 0xe7, 0x42, 0xcc, 0xa3, 0xb6, 0x73, 0x15, 0xa1,
+	0xae, 0x75, 0x49, 0xcd, 0x49, 0xc5, 0xee, 0x5a, 0xa7, 0x80, 0x13, 0x0f, 0xe5, 0x18, 0x6e, 0x3c,
+	0x94, 0x63, 0x68, 0x78, 0x24, 0xc7, 0x78, 0xe2, 0x91, 0x1c, 0xe3, 0x85, 0x47, 0x72, 0x8c, 0x0f,
+	0x1e, 0xc9, 0x31, 0x2e, 0xf8, 0x22, 0xc7, 0x18, 0x65, 0x44, 0x42, 0xc2, 0xb1, 0x86, 0x50, 0x11,
+	0x0c, 0x49, 0x6c, 0xe0, 0xb8, 0x35, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0x41, 0x80, 0x92, 0x17,
+	0x77, 0x02, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/image.proto b/vendor/github.com/containerd/containerd/api/events/image.proto
new file mode 100644
index 000000000..470c3a2fa
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/image.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package containerd.services.images.v1;
+
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message ImageCreate {
+	string name = 1;
+	map<string, string> labels = 2;
+}
+
+message ImageUpdate {
+	string name = 1;
+	map<string, string> labels = 2;
+}
+
+message ImageDelete {
+	string name = 1;
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/namespace.pb.go b/vendor/github.com/containerd/containerd/api/events/namespace.pb.go
new file mode 100644
index 000000000..1c81f9fc4
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/namespace.pb.go
@@ -0,0 +1,950 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/events/namespace.proto
+
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+// skipping weak import containerd_plugin "github.com/containerd/containerd/protobuf/plugin"
+
+import strings "strings"
+import reflect "reflect"
+import sortkeys "github.com/gogo/protobuf/sortkeys"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type NamespaceCreate struct {
+	Name   string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels map[string]string `protobuf:"bytes,2,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *NamespaceCreate) Reset()                    { *m = NamespaceCreate{} }
+func (*NamespaceCreate) ProtoMessage()               {}
+func (*NamespaceCreate) Descriptor() ([]byte, []int) { return fileDescriptorNamespace, []int{0} }
+
+type NamespaceUpdate struct {
+	Name   string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels map[string]string `protobuf:"bytes,2,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *NamespaceUpdate) Reset()                    { *m = NamespaceUpdate{} }
+func (*NamespaceUpdate) ProtoMessage()               {}
+func (*NamespaceUpdate) Descriptor() ([]byte, []int) { return fileDescriptorNamespace, []int{1} }
+
+type NamespaceDelete struct {
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *NamespaceDelete) Reset()                    { *m = NamespaceDelete{} }
+func (*NamespaceDelete) ProtoMessage()               {}
+func (*NamespaceDelete) Descriptor() ([]byte, []int) { return fileDescriptorNamespace, []int{2} }
+
+func init() {
+	proto.RegisterType((*NamespaceCreate)(nil), "containerd.events.NamespaceCreate")
+	proto.RegisterType((*NamespaceUpdate)(nil), "containerd.events.NamespaceUpdate")
+	proto.RegisterType((*NamespaceDelete)(nil), "containerd.events.NamespaceDelete")
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *NamespaceCreate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	case "labels":
+		// Labels fields have been special-cased by name. If this breaks,
+		// add better special casing to fieldpath plugin.
+		if len(m.Labels) == 0 {
+			return "", false
+		}
+		value, ok := m.Labels[strings.Join(fieldpath[1:], ".")]
+		return value, ok
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *NamespaceUpdate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	case "labels":
+		// Labels fields have been special-cased by name. If this breaks,
+		// add better special casing to fieldpath plugin.
+		if len(m.Labels) == 0 {
+			return "", false
+		}
+		value, ok := m.Labels[strings.Join(fieldpath[1:], ".")]
+		return value, ok
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *NamespaceDelete) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	}
+	return "", false
+}
+func (m *NamespaceCreate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *NamespaceCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintNamespace(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x12
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			i = encodeVarintNamespace(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	return i, nil
+}
+
+func (m *NamespaceUpdate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *NamespaceUpdate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintNamespace(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x12
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			i = encodeVarintNamespace(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	return i, nil
+}
+
+func (m *NamespaceDelete) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *NamespaceDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintNamespace(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	return i, nil
+}
+
+func encodeVarintNamespace(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *NamespaceCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovNamespace(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			n += mapEntrySize + 1 + sovNamespace(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
+func (m *NamespaceUpdate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovNamespace(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			n += mapEntrySize + 1 + sovNamespace(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
+func (m *NamespaceDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovNamespace(uint64(l))
+	}
+	return n
+}
+
+func sovNamespace(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozNamespace(x uint64) (n int) {
+	return sovNamespace(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *NamespaceCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&NamespaceCreate{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *NamespaceUpdate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&NamespaceUpdate{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *NamespaceDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&NamespaceDelete{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringNamespace(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *NamespaceCreate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowNamespace
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: NamespaceCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NamespaceCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			var mapkey string
+			var mapvalue string
+			for iNdEx < postIndex {
+				entryPreIndex := iNdEx
+				var wire uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					wire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				fieldNum := int32(wire >> 3)
+				if fieldNum == 1 {
+					var stringLenmapkey uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowNamespace
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapkey |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapkey := int(stringLenmapkey)
+					if intStringLenmapkey < 0 {
+						return ErrInvalidLengthNamespace
+					}
+					postStringIndexmapkey := iNdEx + intStringLenmapkey
+					if postStringIndexmapkey > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
+					iNdEx = postStringIndexmapkey
+				} else if fieldNum == 2 {
+					var stringLenmapvalue uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowNamespace
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapvalue := int(stringLenmapvalue)
+					if intStringLenmapvalue < 0 {
+						return ErrInvalidLengthNamespace
+					}
+					postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+					if postStringIndexmapvalue > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapvalue = string(dAtA[iNdEx:postStringIndexmapvalue])
+					iNdEx = postStringIndexmapvalue
+				} else {
+					iNdEx = entryPreIndex
+					skippy, err := skipNamespace(dAtA[iNdEx:])
+					if err != nil {
+						return err
+					}
+					if skippy < 0 {
+						return ErrInvalidLengthNamespace
+					}
+					if (iNdEx + skippy) > postIndex {
+						return io.ErrUnexpectedEOF
+					}
+					iNdEx += skippy
+				}
+			}
+			m.Labels[mapkey] = mapvalue
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipNamespace(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *NamespaceUpdate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowNamespace
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: NamespaceUpdate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NamespaceUpdate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			var mapkey string
+			var mapvalue string
+			for iNdEx < postIndex {
+				entryPreIndex := iNdEx
+				var wire uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					wire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				fieldNum := int32(wire >> 3)
+				if fieldNum == 1 {
+					var stringLenmapkey uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowNamespace
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapkey |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapkey := int(stringLenmapkey)
+					if intStringLenmapkey < 0 {
+						return ErrInvalidLengthNamespace
+					}
+					postStringIndexmapkey := iNdEx + intStringLenmapkey
+					if postStringIndexmapkey > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
+					iNdEx = postStringIndexmapkey
+				} else if fieldNum == 2 {
+					var stringLenmapvalue uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowNamespace
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapvalue := int(stringLenmapvalue)
+					if intStringLenmapvalue < 0 {
+						return ErrInvalidLengthNamespace
+					}
+					postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+					if postStringIndexmapvalue > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapvalue = string(dAtA[iNdEx:postStringIndexmapvalue])
+					iNdEx = postStringIndexmapvalue
+				} else {
+					iNdEx = entryPreIndex
+					skippy, err := skipNamespace(dAtA[iNdEx:])
+					if err != nil {
+						return err
+					}
+					if skippy < 0 {
+						return ErrInvalidLengthNamespace
+					}
+					if (iNdEx + skippy) > postIndex {
+						return io.ErrUnexpectedEOF
+					}
+					iNdEx += skippy
+				}
+			}
+			m.Labels[mapkey] = mapvalue
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipNamespace(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *NamespaceDelete) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowNamespace
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: NamespaceDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NamespaceDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipNamespace(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipNamespace(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowNamespace
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthNamespace
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipNamespace(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthNamespace = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowNamespace   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/events/namespace.proto", fileDescriptorNamespace)
+}
+
+var fileDescriptorNamespace = []byte{
+	// 296 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4e, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0xa7, 0x96, 0xa5, 0xe6, 0x95, 0x14, 0xeb, 0xe7, 0x25,
+	0xe6, 0xa6, 0x16, 0x17, 0x24, 0x26, 0xa7, 0xea, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x22,
+	0x94, 0xe9, 0x41, 0x94, 0x48, 0x89, 0xa4, 0xe7, 0xa7, 0xe7, 0x83, 0x65, 0xf5, 0x41, 0x2c, 0x88,
+	0x42, 0x29, 0x07, 0x82, 0xb6, 0x80, 0xd5, 0x25, 0x95, 0xa6, 0xe9, 0x17, 0xe4, 0x94, 0xa6, 0x67,
+	0xe6, 0xe9, 0xa7, 0x65, 0xa6, 0xe6, 0xa4, 0x14, 0x24, 0x96, 0x64, 0x40, 0x4c, 0x50, 0x5a, 0xc1,
+	0xc8, 0xc5, 0xef, 0x07, 0xb3, 0xde, 0xb9, 0x28, 0x35, 0xb1, 0x24, 0x55, 0x48, 0x88, 0x8b, 0x05,
+	0xe4, 0x22, 0x09, 0x46, 0x05, 0x46, 0x0d, 0xce, 0x20, 0x30, 0x5b, 0xc8, 0x8d, 0x8b, 0x2d, 0x27,
+	0x31, 0x29, 0x35, 0xa7, 0x58, 0x82, 0x49, 0x81, 0x59, 0x83, 0xdb, 0x48, 0x4f, 0x0f, 0xc3, 0x8d,
+	0x7a, 0x68, 0xe6, 0xe8, 0xf9, 0x80, 0x35, 0xb8, 0xe6, 0x95, 0x14, 0x55, 0x06, 0x41, 0x75, 0x4b,
+	0x59, 0x72, 0x71, 0x23, 0x09, 0x0b, 0x09, 0x70, 0x31, 0x67, 0xa7, 0x56, 0x42, 0x6d, 0x02, 0x31,
+	0x85, 0x44, 0xb8, 0x58, 0xcb, 0x12, 0x73, 0x4a, 0x53, 0x25, 0x98, 0xc0, 0x62, 0x10, 0x8e, 0x15,
+	0x93, 0x05, 0x23, 0xaa, 0x53, 0x43, 0x0b, 0x52, 0xa8, 0xe2, 0x54, 0x88, 0x39, 0xd4, 0x76, 0xaa,
+	0x2a, 0x92, 0x4b, 0x5d, 0x52, 0x73, 0x52, 0xb1, 0xbb, 0xd4, 0x29, 0xe0, 0xc4, 0x43, 0x39, 0x86,
+	0x1b, 0x0f, 0xe5, 0x18, 0x1a, 0x1e, 0xc9, 0x31, 0x9e, 0x78, 0x24, 0xc7, 0x78, 0xe1, 0x91, 0x1c,
+	0xe3, 0x83, 0x47, 0x72, 0x8c, 0x0b, 0xbe, 0xc8, 0x31, 0x46, 0x19, 0x91, 0x90, 0x84, 0xac, 0x21,
+	0x54, 0x04, 0x43, 0x04, 0x63, 0x12, 0x1b, 0x38, 0x66, 0x8d, 0x01, 0x01, 0x00, 0x00, 0xff, 0xff,
+	0x00, 0x50, 0x87, 0x59, 0x83, 0x02, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/namespace.proto b/vendor/github.com/containerd/containerd/api/events/namespace.proto
new file mode 100644
index 000000000..45deae79a
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/namespace.proto
@@ -0,0 +1,23 @@
+syntax = "proto3";
+
+package containerd.events;
+
+import weak "gogoproto/gogo.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message NamespaceCreate {
+	string name = 1;
+	map<string, string> labels  = 2;
+}
+
+message NamespaceUpdate {
+	string name = 1;
+	map<string, string> labels  = 2;
+}
+
+message NamespaceDelete {
+	string name = 1;
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/snapshot.pb.go b/vendor/github.com/containerd/containerd/api/events/snapshot.pb.go
new file mode 100644
index 000000000..e1f8f5c58
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/snapshot.pb.go
@@ -0,0 +1,704 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/events/snapshot.proto
+
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import containerd_plugin "github.com/containerd/containerd/protobuf/plugin"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type SnapshotPrepare struct {
+	Key    string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Parent string `protobuf:"bytes,2,opt,name=parent,proto3" json:"parent,omitempty"`
+}
+
+func (m *SnapshotPrepare) Reset()                    { *m = SnapshotPrepare{} }
+func (*SnapshotPrepare) ProtoMessage()               {}
+func (*SnapshotPrepare) Descriptor() ([]byte, []int) { return fileDescriptorSnapshot, []int{0} }
+
+type SnapshotCommit struct {
+	Key  string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *SnapshotCommit) Reset()                    { *m = SnapshotCommit{} }
+func (*SnapshotCommit) ProtoMessage()               {}
+func (*SnapshotCommit) Descriptor() ([]byte, []int) { return fileDescriptorSnapshot, []int{1} }
+
+type SnapshotRemove struct {
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (m *SnapshotRemove) Reset()                    { *m = SnapshotRemove{} }
+func (*SnapshotRemove) ProtoMessage()               {}
+func (*SnapshotRemove) Descriptor() ([]byte, []int) { return fileDescriptorSnapshot, []int{2} }
+
+func init() {
+	proto.RegisterType((*SnapshotPrepare)(nil), "containerd.events.SnapshotPrepare")
+	proto.RegisterType((*SnapshotCommit)(nil), "containerd.events.SnapshotCommit")
+	proto.RegisterType((*SnapshotRemove)(nil), "containerd.events.SnapshotRemove")
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *SnapshotPrepare) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "key":
+		return string(m.Key), len(m.Key) > 0
+	case "parent":
+		return string(m.Parent), len(m.Parent) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *SnapshotCommit) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "key":
+		return string(m.Key), len(m.Key) > 0
+	case "name":
+		return string(m.Name), len(m.Name) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *SnapshotRemove) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "key":
+		return string(m.Key), len(m.Key) > 0
+	}
+	return "", false
+}
+func (m *SnapshotPrepare) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SnapshotPrepare) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	if len(m.Parent) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Parent)))
+		i += copy(dAtA[i:], m.Parent)
+	}
+	return i, nil
+}
+
+func (m *SnapshotCommit) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SnapshotCommit) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	if len(m.Name) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	return i, nil
+}
+
+func (m *SnapshotRemove) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SnapshotRemove) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	return i, nil
+}
+
+func encodeVarintSnapshot(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *SnapshotPrepare) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	l = len(m.Parent)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	return n
+}
+
+func (m *SnapshotCommit) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	return n
+}
+
+func (m *SnapshotRemove) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	return n
+}
+
+func sovSnapshot(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozSnapshot(x uint64) (n int) {
+	return sovSnapshot(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *SnapshotPrepare) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&SnapshotPrepare{`,
+		`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
+		`Parent:` + fmt.Sprintf("%v", this.Parent) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *SnapshotCommit) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&SnapshotCommit{`,
+		`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *SnapshotRemove) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&SnapshotRemove{`,
+		`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringSnapshot(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *SnapshotPrepare) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowSnapshot
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SnapshotPrepare: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotPrepare: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Parent", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Parent = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSnapshot(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SnapshotCommit) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowSnapshot
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SnapshotCommit: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotCommit: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSnapshot(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SnapshotRemove) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowSnapshot
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SnapshotRemove: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotRemove: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSnapshot(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipSnapshot(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowSnapshot
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthSnapshot
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowSnapshot
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipSnapshot(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthSnapshot = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowSnapshot   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/events/snapshot.proto", fileDescriptorSnapshot)
+}
+
+var fileDescriptorSnapshot = []byte{
+	// 235 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4a, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0xa7, 0x96, 0xa5, 0xe6, 0x95, 0x14, 0xeb, 0x17, 0xe7,
+	0x25, 0x16, 0x14, 0x67, 0xe4, 0x97, 0xe8, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x22, 0x54,
+	0xe9, 0x41, 0x54, 0x48, 0x39, 0x10, 0x34, 0x0e, 0xac, 0x35, 0xa9, 0x34, 0x4d, 0xbf, 0x20, 0xa7,
+	0x34, 0x3d, 0x33, 0x4f, 0x3f, 0x2d, 0x33, 0x35, 0x27, 0xa5, 0x20, 0xb1, 0x24, 0x03, 0x62, 0xa8,
+	0x92, 0x35, 0x17, 0x7f, 0x30, 0xd4, 0x9a, 0x80, 0xa2, 0xd4, 0x82, 0xc4, 0xa2, 0x54, 0x21, 0x01,
+	0x2e, 0xe6, 0xec, 0xd4, 0x4a, 0x09, 0x46, 0x05, 0x46, 0x0d, 0xce, 0x20, 0x10, 0x53, 0x48, 0x8c,
+	0x8b, 0x0d, 0x24, 0x93, 0x57, 0x22, 0xc1, 0x04, 0x16, 0x84, 0xf2, 0x94, 0xcc, 0xb8, 0xf8, 0x60,
+	0x9a, 0x9d, 0xf3, 0x73, 0x73, 0x33, 0x4b, 0xb0, 0xe8, 0x15, 0xe2, 0x62, 0xc9, 0x4b, 0xcc, 0x4d,
+	0x85, 0xea, 0x04, 0xb3, 0x95, 0x94, 0x10, 0xfa, 0x82, 0x52, 0x73, 0xf3, 0xcb, 0xb0, 0xd8, 0xe9,
+	0x14, 0x70, 0xe2, 0xa1, 0x1c, 0xc3, 0x8d, 0x87, 0x72, 0x0c, 0x0d, 0x8f, 0xe4, 0x18, 0x4f, 0x3c,
+	0x92, 0x63, 0xbc, 0xf0, 0x48, 0x8e, 0xf1, 0xc1, 0x23, 0x39, 0xc6, 0x05, 0x5f, 0xe4, 0x18, 0xa3,
+	0x8c, 0x48, 0x08, 0x47, 0x6b, 0x08, 0x15, 0xc1, 0x90, 0xc4, 0x06, 0xf6, 0xb3, 0x31, 0x20, 0x00,
+	0x00, 0xff, 0xff, 0x69, 0x66, 0xa9, 0x2a, 0x86, 0x01, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/snapshot.proto b/vendor/github.com/containerd/containerd/api/events/snapshot.proto
new file mode 100644
index 000000000..425eeec8e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/snapshot.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package containerd.events;
+
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message SnapshotPrepare {
+	string key = 1;
+	string parent = 2;
+}
+
+message SnapshotCommit {
+	string key = 1;
+	string name = 2;
+}
+
+message SnapshotRemove {
+	string key = 1;
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/task.pb.go b/vendor/github.com/containerd/containerd/api/events/task.pb.go
new file mode 100644
index 000000000..b0a6c2c24
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/task.pb.go
@@ -0,0 +1,2610 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/events/task.proto
+
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+import _ "github.com/gogo/protobuf/types"
+import containerd_types "github.com/containerd/containerd/api/types"
+
+// skipping weak import containerd_plugin "github.com/containerd/containerd/protobuf/plugin"
+
+import time "time"
+
+import types "github.com/gogo/protobuf/types"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+var _ = time.Kitchen
+
+type TaskCreate struct {
+	ContainerID string                    `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	Bundle      string                    `protobuf:"bytes,2,opt,name=bundle,proto3" json:"bundle,omitempty"`
+	Rootfs      []*containerd_types.Mount `protobuf:"bytes,3,rep,name=rootfs" json:"rootfs,omitempty"`
+	IO          *TaskIO                   `protobuf:"bytes,4,opt,name=io" json:"io,omitempty"`
+	Checkpoint  string                    `protobuf:"bytes,5,opt,name=checkpoint,proto3" json:"checkpoint,omitempty"`
+	Pid         uint32                    `protobuf:"varint,6,opt,name=pid,proto3" json:"pid,omitempty"`
+}
+
+func (m *TaskCreate) Reset()                    { *m = TaskCreate{} }
+func (*TaskCreate) ProtoMessage()               {}
+func (*TaskCreate) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{0} }
+
+type TaskStart struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	Pid         uint32 `protobuf:"varint,2,opt,name=pid,proto3" json:"pid,omitempty"`
+}
+
+func (m *TaskStart) Reset()                    { *m = TaskStart{} }
+func (*TaskStart) ProtoMessage()               {}
+func (*TaskStart) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{1} }
+
+type TaskDelete struct {
+	ContainerID string    `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	Pid         uint32    `protobuf:"varint,2,opt,name=pid,proto3" json:"pid,omitempty"`
+	ExitStatus  uint32    `protobuf:"varint,3,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt    time.Time `protobuf:"bytes,4,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
+}
+
+func (m *TaskDelete) Reset()                    { *m = TaskDelete{} }
+func (*TaskDelete) ProtoMessage()               {}
+func (*TaskDelete) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{2} }
+
+type TaskIO struct {
+	Stdin    string `protobuf:"bytes,1,opt,name=stdin,proto3" json:"stdin,omitempty"`
+	Stdout   string `protobuf:"bytes,2,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stderr   string `protobuf:"bytes,3,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	Terminal bool   `protobuf:"varint,4,opt,name=terminal,proto3" json:"terminal,omitempty"`
+}
+
+func (m *TaskIO) Reset()                    { *m = TaskIO{} }
+func (*TaskIO) ProtoMessage()               {}
+func (*TaskIO) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{3} }
+
+type TaskExit struct {
+	ContainerID string    `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	ID          string    `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	Pid         uint32    `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"`
+	ExitStatus  uint32    `protobuf:"varint,4,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt    time.Time `protobuf:"bytes,5,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
+}
+
+func (m *TaskExit) Reset()                    { *m = TaskExit{} }
+func (*TaskExit) ProtoMessage()               {}
+func (*TaskExit) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{4} }
+
+type TaskOOM struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *TaskOOM) Reset()                    { *m = TaskOOM{} }
+func (*TaskOOM) ProtoMessage()               {}
+func (*TaskOOM) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{5} }
+
+type TaskExecAdded struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	ExecID      string `protobuf:"bytes,2,opt,name=exec_id,json=execId,proto3" json:"exec_id,omitempty"`
+}
+
+func (m *TaskExecAdded) Reset()                    { *m = TaskExecAdded{} }
+func (*TaskExecAdded) ProtoMessage()               {}
+func (*TaskExecAdded) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{6} }
+
+type TaskExecStarted struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	ExecID      string `protobuf:"bytes,2,opt,name=exec_id,json=execId,proto3" json:"exec_id,omitempty"`
+	Pid         uint32 `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"`
+}
+
+func (m *TaskExecStarted) Reset()                    { *m = TaskExecStarted{} }
+func (*TaskExecStarted) ProtoMessage()               {}
+func (*TaskExecStarted) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{7} }
+
+type TaskPaused struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *TaskPaused) Reset()                    { *m = TaskPaused{} }
+func (*TaskPaused) ProtoMessage()               {}
+func (*TaskPaused) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{8} }
+
+type TaskResumed struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *TaskResumed) Reset()                    { *m = TaskResumed{} }
+func (*TaskResumed) ProtoMessage()               {}
+func (*TaskResumed) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{9} }
+
+type TaskCheckpointed struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	Checkpoint  string `protobuf:"bytes,2,opt,name=checkpoint,proto3" json:"checkpoint,omitempty"`
+}
+
+func (m *TaskCheckpointed) Reset()                    { *m = TaskCheckpointed{} }
+func (*TaskCheckpointed) ProtoMessage()               {}
+func (*TaskCheckpointed) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{10} }
+
+func init() {
+	proto.RegisterType((*TaskCreate)(nil), "containerd.events.TaskCreate")
+	proto.RegisterType((*TaskStart)(nil), "containerd.events.TaskStart")
+	proto.RegisterType((*TaskDelete)(nil), "containerd.events.TaskDelete")
+	proto.RegisterType((*TaskIO)(nil), "containerd.events.TaskIO")
+	proto.RegisterType((*TaskExit)(nil), "containerd.events.TaskExit")
+	proto.RegisterType((*TaskOOM)(nil), "containerd.events.TaskOOM")
+	proto.RegisterType((*TaskExecAdded)(nil), "containerd.events.TaskExecAdded")
+	proto.RegisterType((*TaskExecStarted)(nil), "containerd.events.TaskExecStarted")
+	proto.RegisterType((*TaskPaused)(nil), "containerd.events.TaskPaused")
+	proto.RegisterType((*TaskResumed)(nil), "containerd.events.TaskResumed")
+	proto.RegisterType((*TaskCheckpointed)(nil), "containerd.events.TaskCheckpointed")
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskCreate) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	// unhandled: rootfs
+	// unhandled: pid
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	case "bundle":
+		return string(m.Bundle), len(m.Bundle) > 0
+	case "io":
+		// NOTE(stevvooe): This is probably not correct in many cases.
+		// We assume that the target message also implements the Field
+		// method, which isn't likely true in a lot of cases.
+		//
+		// If you have a broken build and have found this comment,
+		// you may be closer to a solution.
+		if m.IO == nil {
+			return "", false
+		}
+
+		return m.IO.Field(fieldpath[1:])
+	case "checkpoint":
+		return string(m.Checkpoint), len(m.Checkpoint) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskStart) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	// unhandled: pid
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskDelete) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	// unhandled: pid
+	// unhandled: exit_status
+	// unhandled: exited_at
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskIO) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "stdin":
+		return string(m.Stdin), len(m.Stdin) > 0
+	case "stdout":
+		return string(m.Stdout), len(m.Stdout) > 0
+	case "stderr":
+		return string(m.Stderr), len(m.Stderr) > 0
+	case "terminal":
+		return fmt.Sprint(m.Terminal), true
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskExit) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	// unhandled: pid
+	// unhandled: exit_status
+	// unhandled: exited_at
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	case "id":
+		return string(m.ID), len(m.ID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskOOM) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskExecAdded) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	case "exec_id":
+		return string(m.ExecID), len(m.ExecID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskExecStarted) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	// unhandled: pid
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	case "exec_id":
+		return string(m.ExecID), len(m.ExecID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskPaused) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskResumed) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	}
+	return "", false
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (m *TaskCheckpointed) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	case "container_id":
+		return string(m.ContainerID), len(m.ContainerID) > 0
+	case "checkpoint":
+		return string(m.Checkpoint), len(m.Checkpoint) > 0
+	}
+	return "", false
+}
+func (m *TaskCreate) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.Bundle) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Bundle)))
+		i += copy(dAtA[i:], m.Bundle)
+	}
+	if len(m.Rootfs) > 0 {
+		for _, msg := range m.Rootfs {
+			dAtA[i] = 0x1a
+			i++
+			i = encodeVarintTask(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	if m.IO != nil {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.IO.Size()))
+		n1, err := m.IO.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n1
+	}
+	if len(m.Checkpoint) > 0 {
+		dAtA[i] = 0x2a
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Checkpoint)))
+		i += copy(dAtA[i:], m.Checkpoint)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x30
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	return i, nil
+}
+
+func (m *TaskStart) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskStart) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	return i, nil
+}
+
+func (m *TaskDelete) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	if m.ExitStatus != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.ExitStatus))
+	}
+	dAtA[i] = 0x22
+	i++
+	i = encodeVarintTask(dAtA, i, uint64(types.SizeOfStdTime(m.ExitedAt)))
+	n2, err := types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n2
+	return i, nil
+}
+
+func (m *TaskIO) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskIO) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Stdin) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Stdin)))
+		i += copy(dAtA[i:], m.Stdin)
+	}
+	if len(m.Stdout) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Stdout)))
+		i += copy(dAtA[i:], m.Stdout)
+	}
+	if len(m.Stderr) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Stderr)))
+		i += copy(dAtA[i:], m.Stderr)
+	}
+	if m.Terminal {
+		dAtA[i] = 0x20
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
+func (m *TaskExit) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskExit) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.ID) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	if m.ExitStatus != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.ExitStatus))
+	}
+	dAtA[i] = 0x2a
+	i++
+	i = encodeVarintTask(dAtA, i, uint64(types.SizeOfStdTime(m.ExitedAt)))
+	n3, err := types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n3
+	return i, nil
+}
+
+func (m *TaskOOM) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskOOM) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func (m *TaskExecAdded) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskExecAdded) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.ExecID) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ExecID)))
+		i += copy(dAtA[i:], m.ExecID)
+	}
+	return i, nil
+}
+
+func (m *TaskExecStarted) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskExecStarted) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.ExecID) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ExecID)))
+		i += copy(dAtA[i:], m.ExecID)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	return i, nil
+}
+
+func (m *TaskPaused) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskPaused) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func (m *TaskResumed) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskResumed) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func (m *TaskCheckpointed) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TaskCheckpointed) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.Checkpoint) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Checkpoint)))
+		i += copy(dAtA[i:], m.Checkpoint)
+	}
+	return i, nil
+}
+
+func encodeVarintTask(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *TaskCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Bundle)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if len(m.Rootfs) > 0 {
+		for _, e := range m.Rootfs {
+			l = e.Size()
+			n += 1 + l + sovTask(uint64(l))
+		}
+	}
+	if m.IO != nil {
+		l = m.IO.Size()
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Checkpoint)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	return n
+}
+
+func (m *TaskStart) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	return n
+}
+
+func (m *TaskDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	if m.ExitStatus != 0 {
+		n += 1 + sovTask(uint64(m.ExitStatus))
+	}
+	l = types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovTask(uint64(l))
+	return n
+}
+
+func (m *TaskIO) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Stdin)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Stdout)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Stderr)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Terminal {
+		n += 2
+	}
+	return n
+}
+
+func (m *TaskExit) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	if m.ExitStatus != 0 {
+		n += 1 + sovTask(uint64(m.ExitStatus))
+	}
+	l = types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovTask(uint64(l))
+	return n
+}
+
+func (m *TaskOOM) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func (m *TaskExecAdded) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.ExecID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func (m *TaskExecStarted) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.ExecID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	return n
+}
+
+func (m *TaskPaused) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func (m *TaskResumed) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func (m *TaskCheckpointed) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Checkpoint)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func sovTask(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozTask(x uint64) (n int) {
+	return sovTask(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *TaskCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskCreate{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`Bundle:` + fmt.Sprintf("%v", this.Bundle) + `,`,
+		`Rootfs:` + strings.Replace(fmt.Sprintf("%v", this.Rootfs), "Mount", "containerd_types.Mount", 1) + `,`,
+		`IO:` + strings.Replace(fmt.Sprintf("%v", this.IO), "TaskIO", "TaskIO", 1) + `,`,
+		`Checkpoint:` + fmt.Sprintf("%v", this.Checkpoint) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskStart) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskStart{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskDelete{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskIO) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskIO{`,
+		`Stdin:` + fmt.Sprintf("%v", this.Stdin) + `,`,
+		`Stdout:` + fmt.Sprintf("%v", this.Stdout) + `,`,
+		`Stderr:` + fmt.Sprintf("%v", this.Stderr) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskExit) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskExit{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskOOM) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskOOM{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskExecAdded) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskExecAdded{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`ExecID:` + fmt.Sprintf("%v", this.ExecID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskExecStarted) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskExecStarted{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`ExecID:` + fmt.Sprintf("%v", this.ExecID) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskPaused) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskPaused{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskResumed) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskResumed{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskCheckpointed) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskCheckpointed{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`Checkpoint:` + fmt.Sprintf("%v", this.Checkpoint) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringTask(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *TaskCreate) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Bundle", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Bundle = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Rootfs", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Rootfs = append(m.Rootfs, &containerd_types.Mount{})
+			if err := m.Rootfs[len(m.Rootfs)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field IO", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.IO == nil {
+				m.IO = &TaskIO{}
+			}
+			if err := m.IO.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Checkpoint", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Checkpoint = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskStart) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskStart: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskStart: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskDelete) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitStatus", wireType)
+			}
+			m.ExitStatus = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ExitStatus |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskIO) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskIO: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskIO: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdin", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdin = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdout", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdout = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stderr", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stderr = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskExit) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskExit: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskExit: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitStatus", wireType)
+			}
+			m.ExitStatus = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ExitStatus |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskOOM) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskOOM: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskOOM: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskExecAdded) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskExecAdded: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskExecAdded: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExecID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ExecID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskExecStarted) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskExecStarted: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskExecStarted: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExecID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ExecID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskPaused) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskPaused: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskPaused: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskResumed) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskResumed: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskResumed: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskCheckpointed) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TaskCheckpointed: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskCheckpointed: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Checkpoint", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Checkpoint = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipTask(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthTask
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowTask
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipTask(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthTask = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowTask   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/events/task.proto", fileDescriptorTask)
+}
+
+var fileDescriptorTask = []byte{
+	// 637 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x95, 0xcd, 0x6e, 0xd3, 0x40,
+	0x10, 0xc7, 0x63, 0xa7, 0x75, 0x93, 0x09, 0x55, 0x8b, 0x55, 0x41, 0xc8, 0xc1, 0x8e, 0xcc, 0x25,
+	0x27, 0x5b, 0x04, 0x89, 0x0b, 0x42, 0x6a, 0xd2, 0x70, 0xc8, 0xa1, 0x4a, 0x71, 0x7b, 0xa8, 0xb8,
+	0x44, 0x4e, 0x76, 0x93, 0x2c, 0x8d, 0xbd, 0x96, 0x3d, 0x46, 0x45, 0xe2, 0xc0, 0x23, 0xf0, 0x08,
+	0x3c, 0x05, 0xcf, 0xd0, 0x03, 0x07, 0x8e, 0x9c, 0x02, 0xf5, 0x03, 0x70, 0xe2, 0x01, 0xd0, 0x7a,
+	0x1d, 0xb7, 0x50, 0xf1, 0x65, 0x89, 0x53, 0x76, 0x66, 0x67, 0xff, 0x33, 0xf3, 0xdb, 0xc9, 0x1a,
+	0x1e, 0xcd, 0x19, 0x2e, 0x92, 0x89, 0x3d, 0xe5, 0xbe, 0x33, 0xe5, 0x01, 0x7a, 0x2c, 0xa0, 0x11,
+	0xb9, 0xbe, 0xf4, 0x42, 0xe6, 0xd0, 0x97, 0x34, 0xc0, 0xd8, 0x41, 0x2f, 0x3e, 0xb3, 0xc3, 0x88,
+	0x23, 0xd7, 0x6f, 0x5f, 0x45, 0xd8, 0x72, 0xb7, 0xb5, 0x37, 0xe7, 0x73, 0x9e, 0xed, 0x3a, 0x62,
+	0x25, 0x03, 0x5b, 0xe6, 0x9c, 0xf3, 0xf9, 0x92, 0x3a, 0x99, 0x35, 0x49, 0x66, 0x0e, 0x32, 0x9f,
+	0xc6, 0xe8, 0xf9, 0x61, 0x1e, 0xf0, 0x77, 0x15, 0xe0, 0xab, 0x90, 0xc6, 0x8e, 0xcf, 0x93, 0x00,
+	0xf3, 0x73, 0xfb, 0x7f, 0x3c, 0x57, 0xa4, 0x0c, 0x97, 0xc9, 0x9c, 0x05, 0xce, 0x8c, 0xd1, 0x25,
+	0x09, 0x3d, 0x5c, 0x48, 0x05, 0xeb, 0xab, 0x02, 0x70, 0xe2, 0xc5, 0x67, 0x07, 0x11, 0xf5, 0x90,
+	0xea, 0x5d, 0xb8, 0x55, 0x1c, 0x1e, 0x33, 0xd2, 0x54, 0xda, 0x4a, 0xa7, 0xde, 0xdf, 0x49, 0x57,
+	0x66, 0xe3, 0x60, 0xed, 0x1f, 0x0e, 0xdc, 0x46, 0x11, 0x34, 0x24, 0xfa, 0x1d, 0xd0, 0x26, 0x49,
+	0x40, 0x96, 0xb4, 0xa9, 0x8a, 0x68, 0x37, 0xb7, 0x74, 0x07, 0xb4, 0x88, 0x73, 0x9c, 0xc5, 0xcd,
+	0x6a, 0xbb, 0xda, 0x69, 0x74, 0xef, 0xda, 0xd7, 0x78, 0x65, 0xbd, 0xd8, 0x87, 0xa2, 0x17, 0x37,
+	0x0f, 0xd3, 0x1f, 0x80, 0xca, 0x78, 0x73, 0xa3, 0xad, 0x74, 0x1a, 0xdd, 0x7b, 0xf6, 0x0d, 0xb8,
+	0xb6, 0xa8, 0x73, 0x38, 0xea, 0x6b, 0xe9, 0xca, 0x54, 0x87, 0x23, 0x57, 0x65, 0x5c, 0x37, 0x00,
+	0xa6, 0x0b, 0x3a, 0x3d, 0x0b, 0x39, 0x0b, 0xb0, 0xb9, 0x99, 0xe5, 0xbf, 0xe6, 0xd1, 0x77, 0xa1,
+	0x1a, 0x32, 0xd2, 0xd4, 0xda, 0x4a, 0x67, 0xdb, 0x15, 0x4b, 0xeb, 0x19, 0xd4, 0x85, 0xce, 0x31,
+	0x7a, 0x11, 0x96, 0x6a, 0x37, 0x97, 0x54, 0xaf, 0x24, 0xdf, 0xe7, 0x0c, 0x07, 0x74, 0x49, 0x4b,
+	0x32, 0xbc, 0x21, 0xaa, 0x9b, 0xd0, 0xa0, 0xe7, 0x0c, 0xc7, 0x31, 0x7a, 0x98, 0x08, 0x84, 0x62,
+	0x07, 0x84, 0xeb, 0x38, 0xf3, 0xe8, 0x3d, 0xa8, 0x0b, 0x8b, 0x92, 0xb1, 0x87, 0x39, 0xb4, 0x96,
+	0x2d, 0x07, 0xcd, 0x5e, 0xdf, 0xba, 0x7d, 0xb2, 0x1e, 0xb4, 0x7e, 0xed, 0x62, 0x65, 0x56, 0xde,
+	0x7e, 0x36, 0x15, 0xb7, 0x26, 0x8f, 0xf5, 0xd0, 0x7a, 0x01, 0x9a, 0x64, 0xaa, 0xef, 0xc1, 0x66,
+	0x8c, 0x84, 0x05, 0xb2, 0x58, 0x57, 0x1a, 0xe2, 0x66, 0x63, 0x24, 0x3c, 0xc1, 0xf5, 0xcd, 0x4a,
+	0x2b, 0xf7, 0xd3, 0x28, 0xca, 0xca, 0x92, 0x7e, 0x1a, 0x45, 0x7a, 0x0b, 0x6a, 0x48, 0x23, 0x9f,
+	0x05, 0xde, 0x32, 0xab, 0xa8, 0xe6, 0x16, 0xb6, 0xf5, 0x41, 0x81, 0x9a, 0x48, 0xf6, 0xf4, 0x9c,
+	0x61, 0xc9, 0x31, 0x53, 0x73, 0x42, 0xf5, 0x7c, 0x04, 0x06, 0xae, 0xca, 0x0a, 0x74, 0xd5, 0x5f,
+	0xa2, 0xdb, 0xf8, 0x3d, 0xba, 0xcd, 0x52, 0xe8, 0x9e, 0xc0, 0x96, 0xe8, 0x66, 0x34, 0x3a, 0x2c,
+	0xd3, 0x8c, 0xb5, 0x80, 0x6d, 0x09, 0x83, 0x4e, 0x7b, 0x84, 0x50, 0x52, 0x8a, 0xc8, 0x7d, 0xd8,
+	0xa2, 0xe7, 0x74, 0x3a, 0x2e, 0xb0, 0x40, 0xba, 0x32, 0x35, 0xa1, 0x39, 0x1c, 0xb8, 0x9a, 0xd8,
+	0x1a, 0x12, 0xeb, 0x35, 0xec, 0xac, 0x33, 0x65, 0x33, 0xff, 0x1f, 0x73, 0xdd, 0xbc, 0x0a, 0x6b,
+	0x5f, 0xfe, 0x33, 0x8e, 0xbc, 0x24, 0x2e, 0x97, 0xd8, 0xea, 0x41, 0x43, 0x28, 0xb8, 0x34, 0x4e,
+	0xfc, 0x92, 0x12, 0x33, 0xd8, 0xcd, 0x9e, 0xb8, 0xe2, 0x59, 0x28, 0xc9, 0xe0, 0xc7, 0xc7, 0x46,
+	0xfd, 0xf9, 0xb1, 0xe9, 0x1f, 0x5d, 0x5c, 0x1a, 0x95, 0x4f, 0x97, 0x46, 0xe5, 0x4d, 0x6a, 0x28,
+	0x17, 0xa9, 0xa1, 0x7c, 0x4c, 0x0d, 0xe5, 0x4b, 0x6a, 0x28, 0xef, 0xbe, 0x19, 0xca, 0xf3, 0xee,
+	0x3f, 0x7c, 0x65, 0x1e, 0xcb, 0x9f, 0xd3, 0xca, 0x69, 0x75, 0xa2, 0x65, 0x13, 0xf9, 0xf0, 0x7b,
+	0x00, 0x00, 0x00, 0xff, 0xff, 0x07, 0x69, 0x62, 0x9d, 0xa6, 0x06, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/events/task.proto b/vendor/github.com/containerd/containerd/api/events/task.proto
new file mode 100644
index 000000000..d69921365
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/events/task.proto
@@ -0,0 +1,75 @@
+syntax = "proto3";
+
+package containerd.events;
+
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "github.com/containerd/containerd/api/types/mount.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message TaskCreate {
+	string container_id = 1;
+	string bundle = 2;
+	repeated containerd.types.Mount rootfs = 3;
+	TaskIO io = 4 [(gogoproto.customname) = "IO"];
+	string checkpoint = 5;
+	uint32 pid = 6;
+}
+
+message TaskStart {
+	string container_id = 1;
+	uint32 pid = 2;
+}
+
+message TaskDelete {
+	string container_id = 1;
+	uint32 pid = 2;
+	uint32 exit_status = 3;
+	google.protobuf.Timestamp exited_at = 4 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message TaskIO {
+	string stdin = 1;
+	string stdout = 2;
+	string stderr = 3;
+	bool terminal = 4;
+}
+
+message TaskExit {
+	string container_id = 1;
+	string id = 2;
+	uint32 pid = 3;
+	uint32 exit_status = 4;
+	google.protobuf.Timestamp exited_at = 5 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message TaskOOM {
+	string container_id = 1;
+}
+
+message TaskExecAdded {
+	string container_id = 1;
+	string exec_id = 2;
+}
+
+message TaskExecStarted {
+	string container_id = 1;
+	string exec_id = 2;
+	uint32 pid = 3;
+}
+
+message TaskPaused {
+	string container_id = 1;
+}
+
+message TaskResumed {
+	string container_id = 1;
+}
+
+message TaskCheckpointed {
+	string container_id = 1;
+	string checkpoint = 2;
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/descriptor.pb.go b/vendor/github.com/containerd/containerd/api/types/descriptor.pb.go
new file mode 100644
index 000000000..93e88c0dc
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/descriptor.pb.go
@@ -0,0 +1,410 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/types/descriptor.proto
+
+/*
+	Package types is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/api/types/descriptor.proto
+		github.com/containerd/containerd/api/types/metrics.proto
+		github.com/containerd/containerd/api/types/mount.proto
+		github.com/containerd/containerd/api/types/platform.proto
+
+	It has these top-level messages:
+		Descriptor
+		Metric
+		Mount
+		Platform
+*/
+package types
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+
+import github_com_opencontainers_go_digest "github.com/opencontainers/go-digest"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+// Descriptor describes a blob in a content store.
+//
+// This descriptor can be used to reference content from an
+// oci descriptor found in a manifest.
+// See https://godoc.org/github.com/opencontainers/image-spec/specs-go/v1#Descriptor
+type Descriptor struct {
+	MediaType string                                     `protobuf:"bytes,1,opt,name=media_type,json=mediaType,proto3" json:"media_type,omitempty"`
+	Digest    github_com_opencontainers_go_digest.Digest `protobuf:"bytes,2,opt,name=digest,proto3,customtype=github.com/opencontainers/go-digest.Digest" json:"digest"`
+	Size_     int64                                      `protobuf:"varint,3,opt,name=size,proto3" json:"size,omitempty"`
+}
+
+func (m *Descriptor) Reset()                    { *m = Descriptor{} }
+func (*Descriptor) ProtoMessage()               {}
+func (*Descriptor) Descriptor() ([]byte, []int) { return fileDescriptorDescriptor, []int{0} }
+
+func init() {
+	proto.RegisterType((*Descriptor)(nil), "containerd.types.Descriptor")
+}
+func (m *Descriptor) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Descriptor) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.MediaType) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintDescriptor(dAtA, i, uint64(len(m.MediaType)))
+		i += copy(dAtA[i:], m.MediaType)
+	}
+	if len(m.Digest) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintDescriptor(dAtA, i, uint64(len(m.Digest)))
+		i += copy(dAtA[i:], m.Digest)
+	}
+	if m.Size_ != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintDescriptor(dAtA, i, uint64(m.Size_))
+	}
+	return i, nil
+}
+
+func encodeVarintDescriptor(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Descriptor) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.MediaType)
+	if l > 0 {
+		n += 1 + l + sovDescriptor(uint64(l))
+	}
+	l = len(m.Digest)
+	if l > 0 {
+		n += 1 + l + sovDescriptor(uint64(l))
+	}
+	if m.Size_ != 0 {
+		n += 1 + sovDescriptor(uint64(m.Size_))
+	}
+	return n
+}
+
+func sovDescriptor(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozDescriptor(x uint64) (n int) {
+	return sovDescriptor(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *Descriptor) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&Descriptor{`,
+		`MediaType:` + fmt.Sprintf("%v", this.MediaType) + `,`,
+		`Digest:` + fmt.Sprintf("%v", this.Digest) + `,`,
+		`Size_:` + fmt.Sprintf("%v", this.Size_) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringDescriptor(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *Descriptor) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowDescriptor
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Descriptor: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Descriptor: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MediaType", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDescriptor
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthDescriptor
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.MediaType = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Digest", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDescriptor
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthDescriptor
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Digest = github_com_opencontainers_go_digest.Digest(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Size_", wireType)
+			}
+			m.Size_ = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowDescriptor
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Size_ |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipDescriptor(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthDescriptor
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipDescriptor(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowDescriptor
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowDescriptor
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowDescriptor
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthDescriptor
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowDescriptor
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipDescriptor(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthDescriptor = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowDescriptor   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/descriptor.proto", fileDescriptorDescriptor)
+}
+
+var fileDescriptorDescriptor = []byte{
+	// 234 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4e, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0xa4, 0x16,
+	0x27, 0x17, 0x65, 0x16, 0x94, 0xe4, 0x17, 0xe9, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x20,
+	0x94, 0xe9, 0x81, 0x95, 0x48, 0x89, 0xa4, 0xe7, 0xa7, 0xe7, 0x83, 0x25, 0xf5, 0x41, 0x2c, 0x88,
+	0x3a, 0xa5, 0x6e, 0x46, 0x2e, 0x2e, 0x17, 0xb8, 0x66, 0x21, 0x59, 0x2e, 0xae, 0xdc, 0xd4, 0x94,
+	0xcc, 0xc4, 0x78, 0x90, 0x1e, 0x09, 0x46, 0x05, 0x46, 0x0d, 0xce, 0x20, 0x4e, 0xb0, 0x48, 0x48,
+	0x65, 0x41, 0xaa, 0x90, 0x17, 0x17, 0x5b, 0x4a, 0x66, 0x7a, 0x6a, 0x71, 0x89, 0x04, 0x13, 0x48,
+	0xca, 0xc9, 0xe8, 0xc4, 0x3d, 0x79, 0x86, 0x5b, 0xf7, 0xe4, 0xb5, 0x90, 0x9c, 0x9a, 0x5f, 0x90,
+	0x9a, 0x07, 0xb7, 0xbc, 0x58, 0x3f, 0x3d, 0x5f, 0x17, 0xa2, 0x45, 0xcf, 0x05, 0x4c, 0x05, 0x41,
+	0x4d, 0x10, 0x12, 0xe2, 0x62, 0x29, 0xce, 0xac, 0x4a, 0x95, 0x60, 0x56, 0x60, 0xd4, 0x60, 0x0e,
+	0x02, 0xb3, 0x9d, 0xbc, 0x4e, 0x3c, 0x94, 0x63, 0xb8, 0xf1, 0x50, 0x8e, 0xa1, 0xe1, 0x91, 0x1c,
+	0xe3, 0x89, 0x47, 0x72, 0x8c, 0x17, 0x1e, 0xc9, 0x31, 0x3e, 0x78, 0x24, 0xc7, 0x18, 0x65, 0x40,
+	0x7c, 0x60, 0x58, 0x83, 0xc9, 0x08, 0x86, 0x24, 0x36, 0xb0, 0x17, 0x8d, 0x01, 0x01, 0x00, 0x00,
+	0xff, 0xff, 0xea, 0xac, 0x78, 0x9a, 0x49, 0x01, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/descriptor.proto b/vendor/github.com/containerd/containerd/api/types/descriptor.proto
new file mode 100644
index 000000000..5c00dca4f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/descriptor.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package containerd.types;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+// Descriptor describes a blob in a content store.
+//
+// This descriptor can be used to reference content from an
+// oci descriptor found in a manifest.
+// See https://godoc.org/github.com/opencontainers/image-spec/specs-go/v1#Descriptor
+message Descriptor {
+	string media_type = 1;
+	string digest = 2 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+	int64 size = 3;
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/doc.go b/vendor/github.com/containerd/containerd/api/types/doc.go
new file mode 100644
index 000000000..475b465ed
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/doc.go
@@ -0,0 +1,17 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package types
diff --git a/vendor/github.com/containerd/containerd/api/types/metrics.pb.go b/vendor/github.com/containerd/containerd/api/types/metrics.pb.go
new file mode 100644
index 000000000..52e9f40a5
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/metrics.pb.go
@@ -0,0 +1,412 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/types/metrics.proto
+
+package types
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+import google_protobuf1 "github.com/gogo/protobuf/types"
+import _ "github.com/gogo/protobuf/types"
+
+import time "time"
+
+import types1 "github.com/gogo/protobuf/types"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+var _ = time.Kitchen
+
+type Metric struct {
+	Timestamp time.Time             `protobuf:"bytes,1,opt,name=timestamp,stdtime" json:"timestamp"`
+	ID        string                `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	Data      *google_protobuf1.Any `protobuf:"bytes,3,opt,name=data" json:"data,omitempty"`
+}
+
+func (m *Metric) Reset()                    { *m = Metric{} }
+func (*Metric) ProtoMessage()               {}
+func (*Metric) Descriptor() ([]byte, []int) { return fileDescriptorMetrics, []int{0} }
+
+func init() {
+	proto.RegisterType((*Metric)(nil), "containerd.types.Metric")
+}
+func (m *Metric) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Metric) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0xa
+	i++
+	i = encodeVarintMetrics(dAtA, i, uint64(types1.SizeOfStdTime(m.Timestamp)))
+	n1, err := types1.StdTimeMarshalTo(m.Timestamp, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n1
+	if len(m.ID) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Data != nil {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.Data.Size()))
+		n2, err := m.Data.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n2
+	}
+	return i, nil
+}
+
+func encodeVarintMetrics(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Metric) Size() (n int) {
+	var l int
+	_ = l
+	l = types1.SizeOfStdTime(m.Timestamp)
+	n += 1 + l + sovMetrics(uint64(l))
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovMetrics(uint64(l))
+	}
+	if m.Data != nil {
+		l = m.Data.Size()
+		n += 1 + l + sovMetrics(uint64(l))
+	}
+	return n
+}
+
+func sovMetrics(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozMetrics(x uint64) (n int) {
+	return sovMetrics(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *Metric) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&Metric{`,
+		`Timestamp:` + strings.Replace(strings.Replace(this.Timestamp.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Data:` + strings.Replace(fmt.Sprintf("%v", this.Data), "Any", "google_protobuf1.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringMetrics(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *Metric) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowMetrics
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Metric: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Metric: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Timestamp", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types1.StdTimeUnmarshal(&m.Timestamp, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Data", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Data == nil {
+				m.Data = &google_protobuf1.Any{}
+			}
+			if err := m.Data.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipMetrics(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipMetrics(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowMetrics
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthMetrics
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowMetrics
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipMetrics(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthMetrics = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowMetrics   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/metrics.proto", fileDescriptorMetrics)
+}
+
+var fileDescriptorMetrics = []byte{
+	// 258 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x48, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xe7, 0xa6, 0x96,
+	0x14, 0x65, 0x26, 0x17, 0xeb, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x20, 0xd4, 0xe8, 0x81,
+	0xe5, 0xa5, 0x44, 0xd2, 0xf3, 0xd3, 0xf3, 0xc1, 0x92, 0xfa, 0x20, 0x16, 0x44, 0x9d, 0x94, 0x64,
+	0x7a, 0x7e, 0x7e, 0x7a, 0x4e, 0xaa, 0x3e, 0x98, 0x97, 0x54, 0x9a, 0xa6, 0x9f, 0x98, 0x57, 0x09,
+	0x95, 0x92, 0x47, 0x97, 0x2a, 0xc9, 0xcc, 0x4d, 0x2d, 0x2e, 0x49, 0xcc, 0x2d, 0x80, 0x28, 0x50,
+	0xea, 0x63, 0xe4, 0x62, 0xf3, 0x05, 0xdb, 0x2a, 0xe4, 0xc4, 0xc5, 0x09, 0x97, 0x95, 0x60, 0x54,
+	0x60, 0xd4, 0xe0, 0x36, 0x92, 0xd2, 0x83, 0xe8, 0xd7, 0x83, 0xe9, 0xd7, 0x0b, 0x81, 0xa9, 0x70,
+	0xe2, 0x38, 0x71, 0x4f, 0x9e, 0x61, 0xc2, 0x7d, 0x79, 0xc6, 0x20, 0x84, 0x36, 0x21, 0x31, 0x2e,
+	0xa6, 0xcc, 0x14, 0x09, 0x26, 0x05, 0x46, 0x0d, 0x4e, 0x27, 0xb6, 0x47, 0xf7, 0xe4, 0x99, 0x3c,
+	0x5d, 0x82, 0x98, 0x32, 0x53, 0x84, 0x34, 0xb8, 0x58, 0x52, 0x12, 0x4b, 0x12, 0x25, 0x98, 0xc1,
+	0xc6, 0x8a, 0x60, 0x18, 0xeb, 0x98, 0x57, 0x19, 0x04, 0x56, 0xe1, 0xe4, 0x75, 0xe2, 0xa1, 0x1c,
+	0xc3, 0x8d, 0x87, 0x72, 0x0c, 0x0d, 0x8f, 0xe4, 0x18, 0x4f, 0x3c, 0x92, 0x63, 0xbc, 0xf0, 0x48,
+	0x8e, 0xf1, 0xc1, 0x23, 0x39, 0xc6, 0x28, 0x03, 0xe2, 0x03, 0xd2, 0x1a, 0x4c, 0x46, 0x30, 0x24,
+	0xb1, 0x81, 0x6d, 0x30, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0xde, 0x0d, 0x02, 0xfe, 0x85, 0x01,
+	0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/metrics.proto b/vendor/github.com/containerd/containerd/api/types/metrics.proto
new file mode 100644
index 000000000..0e631d2ac
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/metrics.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package containerd.types;
+
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+message Metric {
+	google.protobuf.Timestamp timestamp = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+	string id = 2;
+	google.protobuf.Any data = 3;
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/mount.pb.go b/vendor/github.com/containerd/containerd/api/types/mount.pb.go
new file mode 100644
index 000000000..f7a9c3c1f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/mount.pb.go
@@ -0,0 +1,456 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/types/mount.proto
+
+package types
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// Mount describes mounts for a container.
+//
+// This type is the lingua franca of ContainerD. All services provide mounts
+// to be used with the container at creation time.
+//
+// The Mount type follows the structure of the mount syscall, including a type,
+// source, target and options.
+type Mount struct {
+	// Type defines the nature of the mount.
+	Type string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
+	// Source specifies the name of the mount. Depending on mount type, this
+	// may be a volume name or a host path, or even ignored.
+	Source string `protobuf:"bytes,2,opt,name=source,proto3" json:"source,omitempty"`
+	// Target path in container
+	Target string `protobuf:"bytes,3,opt,name=target,proto3" json:"target,omitempty"`
+	// Options specifies zero or more fstab style mount options.
+	Options []string `protobuf:"bytes,4,rep,name=options" json:"options,omitempty"`
+}
+
+func (m *Mount) Reset()                    { *m = Mount{} }
+func (*Mount) ProtoMessage()               {}
+func (*Mount) Descriptor() ([]byte, []int) { return fileDescriptorMount, []int{0} }
+
+func init() {
+	proto.RegisterType((*Mount)(nil), "containerd.types.Mount")
+}
+func (m *Mount) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Mount) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Type) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintMount(dAtA, i, uint64(len(m.Type)))
+		i += copy(dAtA[i:], m.Type)
+	}
+	if len(m.Source) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintMount(dAtA, i, uint64(len(m.Source)))
+		i += copy(dAtA[i:], m.Source)
+	}
+	if len(m.Target) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintMount(dAtA, i, uint64(len(m.Target)))
+		i += copy(dAtA[i:], m.Target)
+	}
+	if len(m.Options) > 0 {
+		for _, s := range m.Options {
+			dAtA[i] = 0x22
+			i++
+			l = len(s)
+			for l >= 1<<7 {
+				dAtA[i] = uint8(uint64(l)&0x7f | 0x80)
+				l >>= 7
+				i++
+			}
+			dAtA[i] = uint8(l)
+			i++
+			i += copy(dAtA[i:], s)
+		}
+	}
+	return i, nil
+}
+
+func encodeVarintMount(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Mount) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Type)
+	if l > 0 {
+		n += 1 + l + sovMount(uint64(l))
+	}
+	l = len(m.Source)
+	if l > 0 {
+		n += 1 + l + sovMount(uint64(l))
+	}
+	l = len(m.Target)
+	if l > 0 {
+		n += 1 + l + sovMount(uint64(l))
+	}
+	if len(m.Options) > 0 {
+		for _, s := range m.Options {
+			l = len(s)
+			n += 1 + l + sovMount(uint64(l))
+		}
+	}
+	return n
+}
+
+func sovMount(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozMount(x uint64) (n int) {
+	return sovMount(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *Mount) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&Mount{`,
+		`Type:` + fmt.Sprintf("%v", this.Type) + `,`,
+		`Source:` + fmt.Sprintf("%v", this.Source) + `,`,
+		`Target:` + fmt.Sprintf("%v", this.Target) + `,`,
+		`Options:` + fmt.Sprintf("%v", this.Options) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringMount(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *Mount) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowMount
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Mount: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Mount: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Type", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMount
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMount
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Type = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Source", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMount
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMount
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Source = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Target", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMount
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMount
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Target = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Options", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMount
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMount
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Options = append(m.Options, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipMount(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthMount
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipMount(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowMount
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowMount
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowMount
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthMount
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowMount
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipMount(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthMount = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowMount   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/mount.proto", fileDescriptorMount)
+}
+
+var fileDescriptorMount = []byte{
+	// 202 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x32, 0x4b, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xe7, 0xe6, 0x97,
+	0xe6, 0x95, 0xe8, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x20, 0x54, 0xe8, 0x81, 0x65, 0xa5,
+	0x44, 0xd2, 0xf3, 0xd3, 0xf3, 0xc1, 0x92, 0xfa, 0x20, 0x16, 0x44, 0x9d, 0x52, 0x2a, 0x17, 0xab,
+	0x2f, 0x48, 0x9b, 0x90, 0x10, 0x17, 0x0b, 0x48, 0x9d, 0x04, 0xa3, 0x02, 0xa3, 0x06, 0x67, 0x10,
+	0x98, 0x2d, 0x24, 0xc6, 0xc5, 0x56, 0x9c, 0x5f, 0x5a, 0x94, 0x9c, 0x2a, 0xc1, 0x04, 0x16, 0x85,
+	0xf2, 0x40, 0xe2, 0x25, 0x89, 0x45, 0xe9, 0xa9, 0x25, 0x12, 0xcc, 0x10, 0x71, 0x08, 0x4f, 0x48,
+	0x82, 0x8b, 0x3d, 0xbf, 0xa0, 0x24, 0x33, 0x3f, 0xaf, 0x58, 0x82, 0x45, 0x81, 0x59, 0x83, 0x33,
+	0x08, 0xc6, 0x75, 0xf2, 0x3a, 0xf1, 0x50, 0x8e, 0xe1, 0xc6, 0x43, 0x39, 0x86, 0x86, 0x47, 0x72,
+	0x8c, 0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x78, 0x24, 0xc7, 0xf8, 0xe0, 0x91, 0x1c, 0x63, 0x94, 0x01,
+	0xf1, 0x1e, 0xb4, 0x06, 0x93, 0x11, 0x0c, 0x49, 0x6c, 0x60, 0xb7, 0x1b, 0x03, 0x02, 0x00, 0x00,
+	0xff, 0xff, 0x82, 0x1c, 0x02, 0x18, 0x1d, 0x01, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/mount.proto b/vendor/github.com/containerd/containerd/api/types/mount.proto
new file mode 100644
index 000000000..cd80e44a2
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/mount.proto
@@ -0,0 +1,29 @@
+syntax = "proto3";
+
+package containerd.types;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+// Mount describes mounts for a container.
+//
+// This type is the lingua franca of ContainerD. All services provide mounts
+// to be used with the container at creation time.
+//
+// The Mount type follows the structure of the mount syscall, including a type,
+// source, target and options.
+message Mount {
+	// Type defines the nature of the mount.
+	string type = 1;
+
+	// Source specifies the name of the mount. Depending on mount type, this
+	// may be a volume name or a host path, or even ignored.
+	string source = 2;
+
+	// Target path in container
+	string target = 3;
+
+	// Options specifies zero or more fstab style mount options.
+	repeated string options = 4;
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/platform.pb.go b/vendor/github.com/containerd/containerd/api/types/platform.pb.go
new file mode 100644
index 000000000..ba9a3bf88
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/platform.pb.go
@@ -0,0 +1,394 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/types/platform.proto
+
+package types
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// Platform follows the structure of the OCI platform specification, from
+// descriptors.
+type Platform struct {
+	OS           string `protobuf:"bytes,1,opt,name=os,proto3" json:"os,omitempty"`
+	Architecture string `protobuf:"bytes,2,opt,name=architecture,proto3" json:"architecture,omitempty"`
+	Variant      string `protobuf:"bytes,3,opt,name=variant,proto3" json:"variant,omitempty"`
+}
+
+func (m *Platform) Reset()                    { *m = Platform{} }
+func (*Platform) ProtoMessage()               {}
+func (*Platform) Descriptor() ([]byte, []int) { return fileDescriptorPlatform, []int{0} }
+
+func init() {
+	proto.RegisterType((*Platform)(nil), "containerd.types.Platform")
+}
+func (m *Platform) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Platform) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.OS) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintPlatform(dAtA, i, uint64(len(m.OS)))
+		i += copy(dAtA[i:], m.OS)
+	}
+	if len(m.Architecture) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintPlatform(dAtA, i, uint64(len(m.Architecture)))
+		i += copy(dAtA[i:], m.Architecture)
+	}
+	if len(m.Variant) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintPlatform(dAtA, i, uint64(len(m.Variant)))
+		i += copy(dAtA[i:], m.Variant)
+	}
+	return i, nil
+}
+
+func encodeVarintPlatform(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Platform) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.OS)
+	if l > 0 {
+		n += 1 + l + sovPlatform(uint64(l))
+	}
+	l = len(m.Architecture)
+	if l > 0 {
+		n += 1 + l + sovPlatform(uint64(l))
+	}
+	l = len(m.Variant)
+	if l > 0 {
+		n += 1 + l + sovPlatform(uint64(l))
+	}
+	return n
+}
+
+func sovPlatform(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozPlatform(x uint64) (n int) {
+	return sovPlatform(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *Platform) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&Platform{`,
+		`OS:` + fmt.Sprintf("%v", this.OS) + `,`,
+		`Architecture:` + fmt.Sprintf("%v", this.Architecture) + `,`,
+		`Variant:` + fmt.Sprintf("%v", this.Variant) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringPlatform(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *Platform) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowPlatform
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Platform: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Platform: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OS", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowPlatform
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthPlatform
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.OS = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Architecture", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowPlatform
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthPlatform
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Architecture = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Variant", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowPlatform
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthPlatform
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Variant = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipPlatform(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthPlatform
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipPlatform(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowPlatform
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowPlatform
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowPlatform
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthPlatform
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowPlatform
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipPlatform(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthPlatform = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowPlatform   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/platform.proto", fileDescriptorPlatform)
+}
+
+var fileDescriptorPlatform = []byte{
+	// 205 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4c, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0x17, 0xe4, 0x24,
+	0x96, 0xa4, 0xe5, 0x17, 0xe5, 0xea, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x20, 0x14, 0xe9,
+	0x81, 0x15, 0x48, 0x89, 0xa4, 0xe7, 0xa7, 0xe7, 0x83, 0x25, 0xf5, 0x41, 0x2c, 0x88, 0x3a, 0xa5,
+	0x04, 0x2e, 0x8e, 0x00, 0xa8, 0x4e, 0x21, 0x31, 0x2e, 0xa6, 0xfc, 0x62, 0x09, 0x46, 0x05, 0x46,
+	0x0d, 0x4e, 0x27, 0xb6, 0x47, 0xf7, 0xe4, 0x99, 0xfc, 0x83, 0x83, 0x98, 0xf2, 0x8b, 0x85, 0x94,
+	0xb8, 0x78, 0x12, 0x8b, 0x92, 0x33, 0x32, 0x4b, 0x52, 0x93, 0x4b, 0x4a, 0x8b, 0x52, 0x25, 0x98,
+	0x40, 0x2a, 0x82, 0x50, 0xc4, 0x84, 0x24, 0xb8, 0xd8, 0xcb, 0x12, 0x8b, 0x32, 0x13, 0xf3, 0x4a,
+	0x24, 0x98, 0xc1, 0xd2, 0x30, 0xae, 0x93, 0xd7, 0x89, 0x87, 0x72, 0x0c, 0x37, 0x1e, 0xca, 0x31,
+	0x34, 0x3c, 0x92, 0x63, 0x3c, 0xf1, 0x48, 0x8e, 0xf1, 0xc2, 0x23, 0x39, 0xc6, 0x07, 0x8f, 0xe4,
+	0x18, 0xa3, 0x0c, 0x88, 0xf7, 0x9e, 0x35, 0x98, 0x8c, 0x60, 0x48, 0x62, 0x03, 0x3b, 0xdb, 0x18,
+	0x10, 0x00, 0x00, 0xff, 0xff, 0x05, 0xaa, 0xda, 0xa1, 0x1b, 0x01, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/platform.proto b/vendor/github.com/containerd/containerd/api/types/platform.proto
new file mode 100644
index 000000000..4cf9834bd
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/platform.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package containerd.types;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+// Platform follows the structure of the OCI platform specification, from
+// descriptors.
+message Platform {
+	string os = 1 [(gogoproto.customname) = "OS"];
+	string architecture = 2;
+	string variant = 3;
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/task/task.pb.go b/vendor/github.com/containerd/containerd/api/types/task/task.pb.go
new file mode 100644
index 000000000..437abe8f4
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/task/task.pb.go
@@ -0,0 +1,890 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/api/types/task/task.proto
+
+/*
+	Package task is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/api/types/task/task.proto
+
+	It has these top-level messages:
+		Process
+		ProcessInfo
+*/
+package task
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+import _ "github.com/gogo/protobuf/types"
+import google_protobuf2 "github.com/gogo/protobuf/types"
+
+import time "time"
+
+import types "github.com/gogo/protobuf/types"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+var _ = time.Kitchen
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+type Status int32
+
+const (
+	StatusUnknown Status = 0
+	StatusCreated Status = 1
+	StatusRunning Status = 2
+	StatusStopped Status = 3
+	StatusPaused  Status = 4
+	StatusPausing Status = 5
+)
+
+var Status_name = map[int32]string{
+	0: "UNKNOWN",
+	1: "CREATED",
+	2: "RUNNING",
+	3: "STOPPED",
+	4: "PAUSED",
+	5: "PAUSING",
+}
+var Status_value = map[string]int32{
+	"UNKNOWN": 0,
+	"CREATED": 1,
+	"RUNNING": 2,
+	"STOPPED": 3,
+	"PAUSED":  4,
+	"PAUSING": 5,
+}
+
+func (x Status) String() string {
+	return proto.EnumName(Status_name, int32(x))
+}
+func (Status) EnumDescriptor() ([]byte, []int) { return fileDescriptorTask, []int{0} }
+
+type Process struct {
+	ContainerID string    `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	ID          string    `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	Pid         uint32    `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"`
+	Status      Status    `protobuf:"varint,4,opt,name=status,proto3,enum=containerd.v1.types.Status" json:"status,omitempty"`
+	Stdin       string    `protobuf:"bytes,5,opt,name=stdin,proto3" json:"stdin,omitempty"`
+	Stdout      string    `protobuf:"bytes,6,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stderr      string    `protobuf:"bytes,7,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	Terminal    bool      `protobuf:"varint,8,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	ExitStatus  uint32    `protobuf:"varint,9,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt    time.Time `protobuf:"bytes,10,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
+}
+
+func (m *Process) Reset()                    { *m = Process{} }
+func (*Process) ProtoMessage()               {}
+func (*Process) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{0} }
+
+type ProcessInfo struct {
+	// PID is the process ID.
+	Pid uint32 `protobuf:"varint,1,opt,name=pid,proto3" json:"pid,omitempty"`
+	// Info contains additional process information.
+	//
+	// Info varies by platform.
+	Info *google_protobuf2.Any `protobuf:"bytes,2,opt,name=info" json:"info,omitempty"`
+}
+
+func (m *ProcessInfo) Reset()                    { *m = ProcessInfo{} }
+func (*ProcessInfo) ProtoMessage()               {}
+func (*ProcessInfo) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{1} }
+
+func init() {
+	proto.RegisterType((*Process)(nil), "containerd.v1.types.Process")
+	proto.RegisterType((*ProcessInfo)(nil), "containerd.v1.types.ProcessInfo")
+	proto.RegisterEnum("containerd.v1.types.Status", Status_name, Status_value)
+}
+func (m *Process) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Process) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.ID) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	if m.Status != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Status))
+	}
+	if len(m.Stdin) > 0 {
+		dAtA[i] = 0x2a
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Stdin)))
+		i += copy(dAtA[i:], m.Stdin)
+	}
+	if len(m.Stdout) > 0 {
+		dAtA[i] = 0x32
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Stdout)))
+		i += copy(dAtA[i:], m.Stdout)
+	}
+	if len(m.Stderr) > 0 {
+		dAtA[i] = 0x3a
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.Stderr)))
+		i += copy(dAtA[i:], m.Stderr)
+	}
+	if m.Terminal {
+		dAtA[i] = 0x40
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.ExitStatus != 0 {
+		dAtA[i] = 0x48
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.ExitStatus))
+	}
+	dAtA[i] = 0x52
+	i++
+	i = encodeVarintTask(dAtA, i, uint64(types.SizeOfStdTime(m.ExitedAt)))
+	n1, err := types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n1
+	return i, nil
+}
+
+func (m *ProcessInfo) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ProcessInfo) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Pid != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Pid))
+	}
+	if m.Info != nil {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(m.Info.Size()))
+		n2, err := m.Info.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n2
+	}
+	return i, nil
+}
+
+func encodeVarintTask(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Process) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	if m.Status != 0 {
+		n += 1 + sovTask(uint64(m.Status))
+	}
+	l = len(m.Stdin)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Stdout)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	l = len(m.Stderr)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	if m.Terminal {
+		n += 2
+	}
+	if m.ExitStatus != 0 {
+		n += 1 + sovTask(uint64(m.ExitStatus))
+	}
+	l = types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovTask(uint64(l))
+	return n
+}
+
+func (m *ProcessInfo) Size() (n int) {
+	var l int
+	_ = l
+	if m.Pid != 0 {
+		n += 1 + sovTask(uint64(m.Pid))
+	}
+	if m.Info != nil {
+		l = m.Info.Size()
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func sovTask(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozTask(x uint64) (n int) {
+	return sovTask(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *Process) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&Process{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`Status:` + fmt.Sprintf("%v", this.Status) + `,`,
+		`Stdin:` + fmt.Sprintf("%v", this.Stdin) + `,`,
+		`Stdout:` + fmt.Sprintf("%v", this.Stdout) + `,`,
+		`Stderr:` + fmt.Sprintf("%v", this.Stderr) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf1.Timestamp", 1), `&`, ``, 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ProcessInfo) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ProcessInfo{`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`Info:` + strings.Replace(fmt.Sprintf("%v", this.Info), "Any", "google_protobuf2.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringTask(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *Process) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Process: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Process: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Status", wireType)
+			}
+			m.Status = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Status |= (Status(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdin", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdin = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdout", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdout = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stderr", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stderr = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		case 9:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitStatus", wireType)
+			}
+			m.ExitStatus = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ExitStatus |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ProcessInfo) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ProcessInfo: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ProcessInfo: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Info", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Info == nil {
+				m.Info = &google_protobuf2.Any{}
+			}
+			if err := m.Info.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipTask(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthTask
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowTask
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipTask(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthTask = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowTask   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/task/task.proto", fileDescriptorTask)
+}
+
+var fileDescriptorTask = []byte{
+	// 545 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0x3f, 0x6f, 0xd3, 0x40,
+	0x18, 0xc6, 0x7d, 0x6e, 0xeb, 0xa6, 0xe7, 0xb6, 0x18, 0x13, 0x55, 0xc6, 0x20, 0xdb, 0xea, 0x64,
+	0x31, 0xd8, 0x22, 0xdd, 0xd8, 0xf2, 0x4f, 0xc8, 0x42, 0x72, 0x23, 0x27, 0x11, 0x6c, 0x91, 0x13,
+	0x5f, 0xcc, 0xa9, 0xcd, 0x9d, 0x65, 0x9f, 0x81, 0x6c, 0x8c, 0xa8, 0x13, 0x5f, 0xa0, 0x13, 0x7c,
+	0x0a, 0x3e, 0x41, 0x46, 0x26, 0xc4, 0x14, 0xa8, 0x3f, 0x09, 0x3a, 0xdb, 0x49, 0x23, 0x60, 0x39,
+	0xbd, 0xef, 0xf3, 0x7b, 0xee, 0xbd, 0xf7, 0x1e, 0xf8, 0x22, 0xc6, 0xec, 0x6d, 0x3e, 0x75, 0x66,
+	0x74, 0xe1, 0xce, 0x28, 0x61, 0x21, 0x26, 0x28, 0x8d, 0x76, 0xcb, 0x30, 0xc1, 0x2e, 0x5b, 0x26,
+	0x28, 0x73, 0x59, 0x98, 0x5d, 0x95, 0x87, 0x93, 0xa4, 0x94, 0x51, 0xf5, 0xd1, 0xbd, 0xcb, 0x79,
+	0xf7, 0xdc, 0x29, 0x4d, 0x7a, 0x33, 0xa6, 0x31, 0x2d, 0xb9, 0xcb, 0xab, 0xca, 0xaa, 0x9b, 0x31,
+	0xa5, 0xf1, 0x35, 0x72, 0xcb, 0x6e, 0x9a, 0xcf, 0x5d, 0x86, 0x17, 0x28, 0x63, 0xe1, 0x22, 0xa9,
+	0x0d, 0x8f, 0xff, 0x36, 0x84, 0x64, 0x59, 0xa1, 0xf3, 0x42, 0x84, 0x87, 0x83, 0x94, 0xce, 0x50,
+	0x96, 0xa9, 0x2d, 0x78, 0xbc, 0x7d, 0x74, 0x82, 0x23, 0x0d, 0x58, 0xc0, 0x3e, 0xea, 0x3c, 0x28,
+	0xd6, 0xa6, 0xdc, 0xdd, 0xe8, 0x5e, 0x2f, 0x90, 0xb7, 0x26, 0x2f, 0x52, 0xcf, 0xa0, 0x88, 0x23,
+	0x4d, 0x2c, 0x9d, 0x52, 0xb1, 0x36, 0x45, 0xaf, 0x17, 0x88, 0x38, 0x52, 0x15, 0xb8, 0x97, 0xe0,
+	0x48, 0xdb, 0xb3, 0x80, 0x7d, 0x12, 0xf0, 0x52, 0xbd, 0x80, 0x52, 0xc6, 0x42, 0x96, 0x67, 0xda,
+	0xbe, 0x05, 0xec, 0xd3, 0xd6, 0x13, 0xe7, 0x3f, 0x3f, 0x74, 0x86, 0xa5, 0x25, 0xa8, 0xad, 0x6a,
+	0x13, 0x1e, 0x64, 0x2c, 0xc2, 0x44, 0x3b, 0xe0, 0x2f, 0x04, 0x55, 0xa3, 0x9e, 0xf1, 0x51, 0x11,
+	0xcd, 0x99, 0x26, 0x95, 0x72, 0xdd, 0xd5, 0x3a, 0x4a, 0x53, 0xed, 0x70, 0xab, 0xa3, 0x34, 0x55,
+	0x75, 0xd8, 0x60, 0x28, 0x5d, 0x60, 0x12, 0x5e, 0x6b, 0x0d, 0x0b, 0xd8, 0x8d, 0x60, 0xdb, 0xab,
+	0x26, 0x94, 0xd1, 0x07, 0xcc, 0x26, 0xf5, 0x6e, 0x47, 0xe5, 0xc2, 0x90, 0x4b, 0xd5, 0x2a, 0x6a,
+	0x1b, 0x1e, 0xf1, 0x0e, 0x45, 0x93, 0x90, 0x69, 0xd0, 0x02, 0xb6, 0xdc, 0xd2, 0x9d, 0x2a, 0x50,
+	0x67, 0x13, 0xa8, 0x33, 0xda, 0x24, 0xde, 0x69, 0xac, 0xd6, 0xa6, 0xf0, 0xf9, 0x97, 0x09, 0x82,
+	0x46, 0x75, 0xad, 0xcd, 0xce, 0x3d, 0x28, 0xd7, 0x19, 0x7b, 0x64, 0x4e, 0x37, 0xd9, 0x80, 0xfb,
+	0x6c, 0x6c, 0xb8, 0x8f, 0xc9, 0x9c, 0x96, 0x39, 0xca, 0xad, 0xe6, 0x3f, 0xe3, 0xdb, 0x64, 0x19,
+	0x94, 0x8e, 0x67, 0x3f, 0x00, 0x94, 0xea, 0xc5, 0x0c, 0x78, 0x38, 0xf6, 0x5f, 0xf9, 0x97, 0xaf,
+	0x7d, 0x45, 0xd0, 0x1f, 0xde, 0xdc, 0x5a, 0x27, 0x15, 0x18, 0x93, 0x2b, 0x42, 0xdf, 0x13, 0xce,
+	0xbb, 0x41, 0xbf, 0x3d, 0xea, 0xf7, 0x14, 0xb0, 0xcb, 0xbb, 0x29, 0x0a, 0x19, 0x8a, 0x38, 0x0f,
+	0xc6, 0xbe, 0xef, 0xf9, 0x2f, 0x15, 0x71, 0x97, 0x07, 0x39, 0x21, 0x98, 0xc4, 0x9c, 0x0f, 0x47,
+	0x97, 0x83, 0x41, 0xbf, 0xa7, 0xec, 0xed, 0xf2, 0x21, 0xa3, 0x49, 0x82, 0x22, 0xf5, 0x29, 0x94,
+	0x06, 0xed, 0xf1, 0xb0, 0xdf, 0x53, 0xf6, 0x75, 0xe5, 0xe6, 0xd6, 0x3a, 0xae, 0xf0, 0x20, 0xcc,
+	0xb3, 0x6a, 0x3a, 0xa7, 0x7c, 0xfa, 0xc1, 0xee, 0x6d, 0x8e, 0x31, 0x89, 0xf5, 0xd3, 0x4f, 0x5f,
+	0x0c, 0xe1, 0xdb, 0x57, 0xa3, 0xfe, 0x4d, 0x47, 0x5b, 0xdd, 0x19, 0xc2, 0xcf, 0x3b, 0x43, 0xf8,
+	0x58, 0x18, 0x60, 0x55, 0x18, 0xe0, 0x7b, 0x61, 0x80, 0xdf, 0x85, 0x01, 0xde, 0x08, 0x53, 0xa9,
+	0x0c, 0xe2, 0xe2, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xc3, 0x32, 0xd2, 0x86, 0x50, 0x03, 0x00,
+	0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/api/types/task/task.proto b/vendor/github.com/containerd/containerd/api/types/task/task.proto
new file mode 100644
index 000000000..da91cb033
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/api/types/task/task.proto
@@ -0,0 +1,41 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/any.proto";
+
+enum Status {
+	option (gogoproto.goproto_enum_prefix) = false;
+	option (gogoproto.enum_customname) = "Status";
+
+	UNKNOWN = 0 [(gogoproto.enumvalue_customname) = "StatusUnknown"];
+	CREATED = 1 [(gogoproto.enumvalue_customname) = "StatusCreated"];
+	RUNNING = 2 [(gogoproto.enumvalue_customname) = "StatusRunning"];
+	STOPPED = 3 [(gogoproto.enumvalue_customname) = "StatusStopped"];
+	PAUSED = 4 [(gogoproto.enumvalue_customname) = "StatusPaused"];
+	PAUSING = 5 [(gogoproto.enumvalue_customname) = "StatusPausing"];
+}
+
+message Process {
+	string container_id = 1;
+	string id = 2;
+	uint32 pid = 3;
+	Status status = 4;
+	string stdin = 5;
+	string stdout = 6;
+	string stderr = 7;
+	bool terminal = 8;
+	uint32 exit_status = 9;
+	google.protobuf.Timestamp exited_at = 10 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message ProcessInfo {
+	// PID is the process ID.
+	uint32 pid = 1;
+	// Info contains additional process information.
+	//
+	// Info varies by platform.
+	google.protobuf.Any info = 2;
+}
diff --git a/vendor/github.com/containerd/containerd/errdefs/errors.go b/vendor/github.com/containerd/containerd/errdefs/errors.go
new file mode 100644
index 000000000..40427fc5a
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/errdefs/errors.go
@@ -0,0 +1,78 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+// Package errdefs defines the common errors used throughout containerd
+// packages.
+//
+// Use with errors.Wrap and error.Wrapf to add context to an error.
+//
+// To detect an error class, use the IsXXX functions to tell whether an error
+// is of a certain type.
+//
+// The functions ToGRPC and FromGRPC can be used to map server-side and
+// client-side errors to the correct types.
+package errdefs
+
+import "github.com/pkg/errors"
+
+// Definitions of common error types used throughout containerd. All containerd
+// errors returned by most packages will map into one of these errors classes.
+// Packages should return errors of these types when they want to instruct a
+// client to take a particular action.
+//
+// For the most part, we just try to provide local grpc errors. Most conditions
+// map very well to those defined by grpc.
+var (
+	ErrUnknown            = errors.New("unknown") // used internally to represent a missed mapping.
+	ErrInvalidArgument    = errors.New("invalid argument")
+	ErrNotFound           = errors.New("not found")
+	ErrAlreadyExists      = errors.New("already exists")
+	ErrFailedPrecondition = errors.New("failed precondition")
+	ErrUnavailable        = errors.New("unavailable")
+	ErrNotImplemented     = errors.New("not implemented") // represents not supported and unimplemented
+)
+
+// IsInvalidArgument returns true if the error is due to an invalid argument
+func IsInvalidArgument(err error) bool {
+	return errors.Cause(err) == ErrInvalidArgument
+}
+
+// IsNotFound returns true if the error is due to a missing object
+func IsNotFound(err error) bool {
+	return errors.Cause(err) == ErrNotFound
+}
+
+// IsAlreadyExists returns true if the error is due to an already existing
+// metadata item
+func IsAlreadyExists(err error) bool {
+	return errors.Cause(err) == ErrAlreadyExists
+}
+
+// IsFailedPrecondition returns true if an operation could not proceed to the
+// lack of a particular condition
+func IsFailedPrecondition(err error) bool {
+	return errors.Cause(err) == ErrFailedPrecondition
+}
+
+// IsUnavailable returns true if the error is due to a resource being unavailable
+func IsUnavailable(err error) bool {
+	return errors.Cause(err) == ErrUnavailable
+}
+
+// IsNotImplemented returns true if the error is due to not being implemented
+func IsNotImplemented(err error) bool {
+	return errors.Cause(err) == ErrNotImplemented
+}
diff --git a/vendor/github.com/containerd/containerd/errdefs/grpc.go b/vendor/github.com/containerd/containerd/errdefs/grpc.go
new file mode 100644
index 000000000..4eab03ab8
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/errdefs/grpc.go
@@ -0,0 +1,138 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package errdefs
+
+import (
+	"strings"
+
+	"github.com/pkg/errors"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+// ToGRPC will attempt to map the backend containerd error into a grpc error,
+// using the original error message as a description.
+//
+// Further information may be extracted from certain errors depending on their
+// type.
+//
+// If the error is unmapped, the original error will be returned to be handled
+// by the regular grpc error handling stack.
+func ToGRPC(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	if isGRPCError(err) {
+		// error has already been mapped to grpc
+		return err
+	}
+
+	switch {
+	case IsInvalidArgument(err):
+		return status.Errorf(codes.InvalidArgument, err.Error())
+	case IsNotFound(err):
+		return status.Errorf(codes.NotFound, err.Error())
+	case IsAlreadyExists(err):
+		return status.Errorf(codes.AlreadyExists, err.Error())
+	case IsFailedPrecondition(err):
+		return status.Errorf(codes.FailedPrecondition, err.Error())
+	case IsUnavailable(err):
+		return status.Errorf(codes.Unavailable, err.Error())
+	case IsNotImplemented(err):
+		return status.Errorf(codes.Unimplemented, err.Error())
+	}
+
+	return err
+}
+
+// ToGRPCf maps the error to grpc error codes, assembling the formatting string
+// and combining it with the target error string.
+//
+// This is equivalent to errors.ToGRPC(errors.Wrapf(err, format, args...))
+func ToGRPCf(err error, format string, args ...interface{}) error {
+	return ToGRPC(errors.Wrapf(err, format, args...))
+}
+
+// FromGRPC returns the underlying error from a grpc service based on the grpc error code
+func FromGRPC(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	var cls error // divide these into error classes, becomes the cause
+
+	switch code(err) {
+	case codes.InvalidArgument:
+		cls = ErrInvalidArgument
+	case codes.AlreadyExists:
+		cls = ErrAlreadyExists
+	case codes.NotFound:
+		cls = ErrNotFound
+	case codes.Unavailable:
+		cls = ErrUnavailable
+	case codes.FailedPrecondition:
+		cls = ErrFailedPrecondition
+	case codes.Unimplemented:
+		cls = ErrNotImplemented
+	default:
+		cls = ErrUnknown
+	}
+
+	msg := rebaseMessage(cls, err)
+	if msg != "" {
+		err = errors.Wrapf(cls, msg)
+	} else {
+		err = errors.WithStack(cls)
+	}
+
+	return err
+}
+
+// rebaseMessage removes the repeats for an error at the end of an error
+// string. This will happen when taking an error over grpc then remapping it.
+//
+// Effectively, we just remove the string of cls from the end of err if it
+// appears there.
+func rebaseMessage(cls error, err error) string {
+	desc := errDesc(err)
+	clss := cls.Error()
+	if desc == clss {
+		return ""
+	}
+
+	return strings.TrimSuffix(desc, ": "+clss)
+}
+
+func isGRPCError(err error) bool {
+	_, ok := status.FromError(err)
+	return ok
+}
+
+func code(err error) codes.Code {
+	if s, ok := status.FromError(err); ok {
+		return s.Code()
+	}
+	return codes.Unknown
+}
+
+func errDesc(err error) string {
+	if s, ok := status.FromError(err); ok {
+		return s.Message()
+	}
+	return err.Error()
+}
diff --git a/vendor/github.com/containerd/containerd/events/events.go b/vendor/github.com/containerd/containerd/events/events.go
new file mode 100644
index 000000000..b7eb86f1e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/events/events.go
@@ -0,0 +1,81 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package events
+
+import (
+	"context"
+	"time"
+
+	"github.com/containerd/typeurl"
+	"github.com/gogo/protobuf/types"
+)
+
+// Envelope provides the packaging for an event.
+type Envelope struct {
+	Timestamp time.Time
+	Namespace string
+	Topic     string
+	Event     *types.Any
+}
+
+// Field returns the value for the given fieldpath as a string, if defined.
+// If the value is not defined, the second value will be false.
+func (e *Envelope) Field(fieldpath []string) (string, bool) {
+	if len(fieldpath) == 0 {
+		return "", false
+	}
+
+	switch fieldpath[0] {
+	// unhandled: timestamp
+	case "namespace":
+		return e.Namespace, len(e.Namespace) > 0
+	case "topic":
+		return e.Topic, len(e.Topic) > 0
+	case "event":
+		decoded, err := typeurl.UnmarshalAny(e.Event)
+		if err != nil {
+			return "", false
+		}
+
+		adaptor, ok := decoded.(interface {
+			Field([]string) (string, bool)
+		})
+		if !ok {
+			return "", false
+		}
+		return adaptor.Field(fieldpath[1:])
+	}
+	return "", false
+}
+
+// Event is a generic interface for any type of event
+type Event interface{}
+
+// Publisher posts the event.
+type Publisher interface {
+	Publish(ctx context.Context, topic string, event Event) error
+}
+
+// Forwarder forwards an event to the underlying event bus
+type Forwarder interface {
+	Forward(ctx context.Context, envelope *Envelope) error
+}
+
+// Subscriber allows callers to subscribe to events
+type Subscriber interface {
+	Subscribe(ctx context.Context, filters ...string) (ch <-chan *Envelope, errs <-chan error)
+}
diff --git a/vendor/github.com/containerd/containerd/log/context.go b/vendor/github.com/containerd/containerd/log/context.go
new file mode 100644
index 000000000..3fab96b85
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/log/context.go
@@ -0,0 +1,90 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package log
+
+import (
+	"context"
+	"sync/atomic"
+
+	"github.com/sirupsen/logrus"
+)
+
+var (
+	// G is an alias for GetLogger.
+	//
+	// We may want to define this locally to a package to get package tagged log
+	// messages.
+	G = GetLogger
+
+	// L is an alias for the the standard logger.
+	L = logrus.NewEntry(logrus.StandardLogger())
+)
+
+type (
+	loggerKey struct{}
+)
+
+// TraceLevel is the log level for tracing. Trace level is lower than debug level,
+// and is usually used to trace detailed behavior of the program.
+const TraceLevel = logrus.Level(uint32(logrus.DebugLevel + 1))
+
+// RFC3339NanoFixed is time.RFC3339Nano with nanoseconds padded using zeros to
+// ensure the formatted time is always the same number of characters.
+const RFC3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
+
+// ParseLevel takes a string level and returns the Logrus log level constant.
+// It supports trace level.
+func ParseLevel(lvl string) (logrus.Level, error) {
+	if lvl == "trace" {
+		return TraceLevel, nil
+	}
+	return logrus.ParseLevel(lvl)
+}
+
+// WithLogger returns a new context with the provided logger. Use in
+// combination with logger.WithField(s) for great effect.
+func WithLogger(ctx context.Context, logger *logrus.Entry) context.Context {
+	return context.WithValue(ctx, loggerKey{}, logger)
+}
+
+// GetLogger retrieves the current logger from the context. If no logger is
+// available, the default logger is returned.
+func GetLogger(ctx context.Context) *logrus.Entry {
+	logger := ctx.Value(loggerKey{})
+
+	if logger == nil {
+		return L
+	}
+
+	return logger.(*logrus.Entry)
+}
+
+// Trace logs a message at level Trace with the log entry passed-in.
+func Trace(e *logrus.Entry, args ...interface{}) {
+	level := logrus.Level(atomic.LoadUint32((*uint32)(&e.Logger.Level)))
+	if level >= TraceLevel {
+		e.Debug(args...)
+	}
+}
+
+// Tracef logs a message at level Trace with the log entry passed-in.
+func Tracef(e *logrus.Entry, format string, args ...interface{}) {
+	level := logrus.Level(atomic.LoadUint32((*uint32)(&e.Logger.Level)))
+	if level >= TraceLevel {
+		e.Debugf(format, args...)
+	}
+}
diff --git a/vendor/github.com/containerd/containerd/mount/lookup_unix.go b/vendor/github.com/containerd/containerd/mount/lookup_unix.go
new file mode 100644
index 000000000..e8b0a0b48
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/lookup_unix.go
@@ -0,0 +1,53 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"path/filepath"
+	"sort"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+// Lookup returns the mount info corresponds to the path.
+func Lookup(dir string) (Info, error) {
+	dir = filepath.Clean(dir)
+
+	mounts, err := Self()
+	if err != nil {
+		return Info{}, err
+	}
+
+	// Sort descending order by Info.Mountpoint
+	sort.SliceStable(mounts, func(i, j int) bool {
+		return mounts[j].Mountpoint < mounts[i].Mountpoint
+	})
+	for _, m := range mounts {
+		// Note that m.{Major, Minor} are generally unreliable for our purpose here
+		// https://www.spinics.net/lists/linux-btrfs/msg58908.html
+		// Note that device number is not checked here, because for overlayfs files
+		// may have different device number with the mountpoint.
+		if strings.HasPrefix(dir, m.Mountpoint) {
+			return m, nil
+		}
+	}
+
+	return Info{}, errors.Errorf("failed to find the mount info for %q", dir)
+}
diff --git a/vendor/github.com/containerd/containerd/mount/lookup_unsupported.go b/vendor/github.com/containerd/containerd/mount/lookup_unsupported.go
new file mode 100644
index 000000000..46ec66a90
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/lookup_unsupported.go
@@ -0,0 +1,29 @@
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"fmt"
+	"runtime"
+)
+
+// Lookup returns the mount info corresponds to the path.
+func Lookup(dir string) (Info, error) {
+	return Info{}, fmt.Errorf("mount.Lookup is not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mount.go b/vendor/github.com/containerd/containerd/mount/mount.go
new file mode 100644
index 000000000..b25556b2e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mount.go
@@ -0,0 +1,40 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+// Mount is the lingua franca of containerd. A mount represents a
+// serialized mount syscall. Components either emit or consume mounts.
+type Mount struct {
+	// Type specifies the host-specific of the mount.
+	Type string
+	// Source specifies where to mount from. Depending on the host system, this
+	// can be a source path or device.
+	Source string
+	// Options contains zero or more fstab-style mount options. Typically,
+	// these are platform specific.
+	Options []string
+}
+
+// All mounts all the provided mounts to the provided target
+func All(mounts []Mount, target string) error {
+	for _, m := range mounts {
+		if err := m.Mount(target); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mount_linux.go b/vendor/github.com/containerd/containerd/mount/mount_linux.go
new file mode 100644
index 000000000..b5a16148a
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mount_linux.go
@@ -0,0 +1,308 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"strings"
+	"time"
+
+	"github.com/containerd/containerd/sys"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+var pagesize = 4096
+
+func init() {
+	pagesize = os.Getpagesize()
+}
+
+// Mount to the provided target path
+func (m *Mount) Mount(target string) error {
+	var (
+		chdir   string
+		options = m.Options
+	)
+
+	// avoid hitting one page limit of mount argument buffer
+	//
+	// NOTE: 512 is a buffer during pagesize check.
+	if m.Type == "overlay" && optionsSize(options) >= pagesize-512 {
+		chdir, options = compactLowerdirOption(options)
+	}
+
+	flags, data := parseMountOptions(options)
+	if len(data) > pagesize {
+		return errors.Errorf("mount options is too long")
+	}
+
+	// propagation types.
+	const ptypes = unix.MS_SHARED | unix.MS_PRIVATE | unix.MS_SLAVE | unix.MS_UNBINDABLE
+
+	// Ensure propagation type change flags aren't included in other calls.
+	oflags := flags &^ ptypes
+
+	// In the case of remounting with changed data (data != ""), need to call mount (moby/moby#34077).
+	if flags&unix.MS_REMOUNT == 0 || data != "" {
+		// Initial call applying all non-propagation flags for mount
+		// or remount with changed data
+		if err := mountAt(chdir, m.Source, target, m.Type, uintptr(oflags), data); err != nil {
+			return err
+		}
+	}
+
+	if flags&ptypes != 0 {
+		// Change the propagation type.
+		const pflags = ptypes | unix.MS_REC | unix.MS_SILENT
+		if err := unix.Mount("", target, "", uintptr(flags&pflags), ""); err != nil {
+			return err
+		}
+	}
+
+	const broflags = unix.MS_BIND | unix.MS_RDONLY
+	if oflags&broflags == broflags {
+		// Remount the bind to apply read only.
+		return unix.Mount("", target, "", uintptr(oflags|unix.MS_REMOUNT), "")
+	}
+	return nil
+}
+
+// Unmount the provided mount path with the flags
+func Unmount(target string, flags int) error {
+	if err := unmount(target, flags); err != nil && err != unix.EINVAL {
+		return err
+	}
+	return nil
+}
+
+func unmount(target string, flags int) error {
+	for i := 0; i < 50; i++ {
+		if err := unix.Unmount(target, flags); err != nil {
+			switch err {
+			case unix.EBUSY:
+				time.Sleep(50 * time.Millisecond)
+				continue
+			default:
+				return err
+			}
+		}
+		return nil
+	}
+	return errors.Wrapf(unix.EBUSY, "failed to unmount target %s", target)
+}
+
+// UnmountAll repeatedly unmounts the given mount point until there
+// are no mounts remaining (EINVAL is returned by mount), which is
+// useful for undoing a stack of mounts on the same mount point.
+func UnmountAll(mount string, flags int) error {
+	for {
+		if err := unmount(mount, flags); err != nil {
+			// EINVAL is returned if the target is not a
+			// mount point, indicating that we are
+			// done. It can also indicate a few other
+			// things (such as invalid flags) which we
+			// unfortunately end up squelching here too.
+			if err == unix.EINVAL {
+				return nil
+			}
+			return err
+		}
+	}
+}
+
+// parseMountOptions takes fstab style mount options and parses them for
+// use with a standard mount() syscall
+func parseMountOptions(options []string) (int, string) {
+	var (
+		flag int
+		data []string
+	)
+	flags := map[string]struct {
+		clear bool
+		flag  int
+	}{
+		"async":         {true, unix.MS_SYNCHRONOUS},
+		"atime":         {true, unix.MS_NOATIME},
+		"bind":          {false, unix.MS_BIND},
+		"defaults":      {false, 0},
+		"dev":           {true, unix.MS_NODEV},
+		"diratime":      {true, unix.MS_NODIRATIME},
+		"dirsync":       {false, unix.MS_DIRSYNC},
+		"exec":          {true, unix.MS_NOEXEC},
+		"mand":          {false, unix.MS_MANDLOCK},
+		"noatime":       {false, unix.MS_NOATIME},
+		"nodev":         {false, unix.MS_NODEV},
+		"nodiratime":    {false, unix.MS_NODIRATIME},
+		"noexec":        {false, unix.MS_NOEXEC},
+		"nomand":        {true, unix.MS_MANDLOCK},
+		"norelatime":    {true, unix.MS_RELATIME},
+		"nostrictatime": {true, unix.MS_STRICTATIME},
+		"nosuid":        {false, unix.MS_NOSUID},
+		"rbind":         {false, unix.MS_BIND | unix.MS_REC},
+		"relatime":      {false, unix.MS_RELATIME},
+		"remount":       {false, unix.MS_REMOUNT},
+		"ro":            {false, unix.MS_RDONLY},
+		"rw":            {true, unix.MS_RDONLY},
+		"strictatime":   {false, unix.MS_STRICTATIME},
+		"suid":          {true, unix.MS_NOSUID},
+		"sync":          {false, unix.MS_SYNCHRONOUS},
+	}
+	for _, o := range options {
+		// If the option does not exist in the flags table or the flag
+		// is not supported on the platform,
+		// then it is a data value for a specific fs type
+		if f, exists := flags[o]; exists && f.flag != 0 {
+			if f.clear {
+				flag &^= f.flag
+			} else {
+				flag |= f.flag
+			}
+		} else {
+			data = append(data, o)
+		}
+	}
+	return flag, strings.Join(data, ",")
+}
+
+// compactLowerdirOption updates overlay lowdir option and returns the common
+// dir among all the lowdirs.
+func compactLowerdirOption(opts []string) (string, []string) {
+	idx, dirs := findOverlayLowerdirs(opts)
+	if idx == -1 || len(dirs) == 1 {
+		// no need to compact if there is only one lowerdir
+		return "", opts
+	}
+
+	// find out common dir
+	commondir := longestCommonPrefix(dirs)
+	if commondir == "" {
+		return "", opts
+	}
+
+	// NOTE: the snapshot id is based on digits.
+	// in order to avoid to get snapshots/x, should be back to parent dir.
+	// however, there is assumption that the common dir is ${root}/io.containerd.v1.overlayfs/snapshots.
+	commondir = path.Dir(commondir)
+	if commondir == "/" {
+		return "", opts
+	}
+	commondir = commondir + "/"
+
+	newdirs := make([]string, 0, len(dirs))
+	for _, dir := range dirs {
+		newdirs = append(newdirs, dir[len(commondir):])
+	}
+
+	newopts := copyOptions(opts)
+	newopts = append(newopts[:idx], newopts[idx+1:]...)
+	newopts = append(newopts, fmt.Sprintf("lowerdir=%s", strings.Join(newdirs, ":")))
+	return commondir, newopts
+}
+
+// findOverlayLowerdirs returns the index of lowerdir in mount's options and
+// all the lowerdir target.
+func findOverlayLowerdirs(opts []string) (int, []string) {
+	var (
+		idx    = -1
+		prefix = "lowerdir="
+	)
+
+	for i, opt := range opts {
+		if strings.HasPrefix(opt, prefix) {
+			idx = i
+			break
+		}
+	}
+
+	if idx == -1 {
+		return -1, nil
+	}
+	return idx, strings.Split(opts[idx][len(prefix):], ":")
+}
+
+// longestCommonPrefix finds the longest common prefix in the string slice.
+func longestCommonPrefix(strs []string) string {
+	if len(strs) == 0 {
+		return ""
+	} else if len(strs) == 1 {
+		return strs[0]
+	}
+
+	// find out the min/max value by alphabetical order
+	min, max := strs[0], strs[0]
+	for _, str := range strs[1:] {
+		if min > str {
+			min = str
+		}
+		if max < str {
+			max = str
+		}
+	}
+
+	// find out the common part between min and max
+	for i := 0; i < len(min) && i < len(max); i++ {
+		if min[i] != max[i] {
+			return min[:i]
+		}
+	}
+	return min
+}
+
+// copyOptions copies the options.
+func copyOptions(opts []string) []string {
+	if len(opts) == 0 {
+		return nil
+	}
+
+	acopy := make([]string, len(opts))
+	copy(acopy, opts)
+	return acopy
+}
+
+// optionsSize returns the byte size of options of mount.
+func optionsSize(opts []string) int {
+	size := 0
+	for _, opt := range opts {
+		size += len(opt)
+	}
+	return size
+}
+
+func mountAt(chdir string, source, target, fstype string, flags uintptr, data string) error {
+	if chdir == "" {
+		return unix.Mount(source, target, fstype, flags, data)
+	}
+
+	f, err := os.Open(chdir)
+	if err != nil {
+		return errors.Wrap(err, "failed to mountat")
+	}
+	defer f.Close()
+
+	fs, err := f.Stat()
+	if err != nil {
+		return errors.Wrap(err, "failed to mountat")
+	}
+
+	if !fs.IsDir() {
+		return errors.Wrap(errors.Errorf("%s is not dir", chdir), "failed to mountat")
+	}
+	return errors.Wrap(sys.FMountat(f.Fd(), source, target, fstype, flags, data), "failed to mountat")
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mount_unix.go b/vendor/github.com/containerd/containerd/mount/mount_unix.go
new file mode 100644
index 000000000..95da9428e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mount_unix.go
@@ -0,0 +1,41 @@
+// +build darwin freebsd openbsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import "github.com/pkg/errors"
+
+var (
+	// ErrNotImplementOnUnix is returned for methods that are not implemented
+	ErrNotImplementOnUnix = errors.New("not implemented under unix")
+)
+
+// Mount is not implemented on this platform
+func (m *Mount) Mount(target string) error {
+	return ErrNotImplementOnUnix
+}
+
+// Unmount is not implemented on this platform
+func Unmount(mount string, flags int) error {
+	return ErrNotImplementOnUnix
+}
+
+// UnmountAll is not implemented on this platform
+func UnmountAll(mount string, flags int) error {
+	return ErrNotImplementOnUnix
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mount_windows.go b/vendor/github.com/containerd/containerd/mount/mount_windows.go
new file mode 100644
index 000000000..5de25c4e0
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mount_windows.go
@@ -0,0 +1,105 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"encoding/json"
+	"path/filepath"
+	"strings"
+
+	"github.com/Microsoft/hcsshim"
+	"github.com/pkg/errors"
+)
+
+var (
+	// ErrNotImplementOnWindows is returned when an action is not implemented for windows
+	ErrNotImplementOnWindows = errors.New("not implemented under windows")
+)
+
+// Mount to the provided target
+func (m *Mount) Mount(target string) error {
+	if m.Type != "windows-layer" {
+		return errors.Errorf("invalid windows mount type: '%s'", m.Type)
+	}
+
+	home, layerID := filepath.Split(m.Source)
+
+	parentLayerPaths, err := m.GetParentPaths()
+	if err != nil {
+		return err
+	}
+
+	var di = hcsshim.DriverInfo{
+		HomeDir: home,
+	}
+
+	if err = hcsshim.ActivateLayer(di, layerID); err != nil {
+		return errors.Wrapf(err, "failed to activate layer %s", m.Source)
+	}
+	defer func() {
+		if err != nil {
+			hcsshim.DeactivateLayer(di, layerID)
+		}
+	}()
+
+	if err = hcsshim.PrepareLayer(di, layerID, parentLayerPaths); err != nil {
+		return errors.Wrapf(err, "failed to prepare layer %s", m.Source)
+	}
+	return nil
+}
+
+// ParentLayerPathsFlag is the options flag used to represent the JSON encoded
+// list of parent layers required to use the layer
+const ParentLayerPathsFlag = "parentLayerPaths="
+
+// GetParentPaths of the mount
+func (m *Mount) GetParentPaths() ([]string, error) {
+	var parentLayerPaths []string
+	for _, option := range m.Options {
+		if strings.HasPrefix(option, ParentLayerPathsFlag) {
+			err := json.Unmarshal([]byte(option[len(ParentLayerPathsFlag):]), &parentLayerPaths)
+			if err != nil {
+				return nil, errors.Wrap(err, "failed to unmarshal parent layer paths from mount")
+			}
+		}
+	}
+	return parentLayerPaths, nil
+}
+
+// Unmount the mount at the provided path
+func Unmount(mount string, flags int) error {
+	var (
+		home, layerID = filepath.Split(mount)
+		di            = hcsshim.DriverInfo{
+			HomeDir: home,
+		}
+	)
+
+	if err := hcsshim.UnprepareLayer(di, layerID); err != nil {
+		return errors.Wrapf(err, "failed to unprepare layer %s", mount)
+	}
+	if err := hcsshim.DeactivateLayer(di, layerID); err != nil {
+		return errors.Wrapf(err, "failed to deactivate layer %s", mount)
+	}
+
+	return nil
+}
+
+// UnmountAll unmounts from the provided path
+func UnmountAll(mount string, flags int) error {
+	return Unmount(mount, flags)
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mountinfo.go b/vendor/github.com/containerd/containerd/mount/mountinfo.go
new file mode 100644
index 000000000..e7a68402f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mountinfo.go
@@ -0,0 +1,56 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+// Info reveals information about a particular mounted filesystem. This
+// struct is populated from the content in the /proc/<pid>/mountinfo file.
+type Info struct {
+	// ID is a unique identifier of the mount (may be reused after umount).
+	ID int
+
+	// Parent indicates the ID of the mount parent (or of self for the top of the
+	// mount tree).
+	Parent int
+
+	// Major indicates one half of the device ID which identifies the device class.
+	Major int
+
+	// Minor indicates one half of the device ID which identifies a specific
+	// instance of device.
+	Minor int
+
+	// Root of the mount within the filesystem.
+	Root string
+
+	// Mountpoint indicates the mount point relative to the process's root.
+	Mountpoint string
+
+	// Options represents mount-specific options.
+	Options string
+
+	// Optional represents optional fields.
+	Optional string
+
+	// FSType indicates the type of filesystem, such as EXT3.
+	FSType string
+
+	// Source indicates filesystem specific information or "none".
+	Source string
+
+	// VFSOptions represents per super block options.
+	VFSOptions string
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mountinfo_bsd.go b/vendor/github.com/containerd/containerd/mount/mountinfo_bsd.go
new file mode 100644
index 000000000..8f8dbf95a
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mountinfo_bsd.go
@@ -0,0 +1,63 @@
+// +build freebsd openbsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+/*
+#include <sys/param.h>
+#include <sys/ucred.h>
+#include <sys/mount.h>
+*/
+import "C"
+
+import (
+	"fmt"
+	"reflect"
+	"unsafe"
+)
+
+// Self retrieves a list of mounts for the current running process.
+func Self() ([]Info, error) {
+	var rawEntries *C.struct_statfs
+
+	count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))
+	if count == 0 {
+		return nil, fmt.Errorf("Failed to call getmntinfo")
+	}
+
+	var entries []C.struct_statfs
+	header := (*reflect.SliceHeader)(unsafe.Pointer(&entries))
+	header.Cap = count
+	header.Len = count
+	header.Data = uintptr(unsafe.Pointer(rawEntries))
+
+	var out []Info
+	for _, entry := range entries {
+		var mountinfo Info
+		mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])
+		mountinfo.Source = C.GoString(&entry.f_mntfromname[0])
+		mountinfo.FSType = C.GoString(&entry.f_fstypename[0])
+		out = append(out, mountinfo)
+	}
+	return out, nil
+}
+
+// PID collects the mounts for a specific process ID.
+func PID(pid int) ([]Info, error) {
+	return nil, fmt.Errorf("mountinfo.PID is not implemented on freebsd")
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mountinfo_linux.go b/vendor/github.com/containerd/containerd/mount/mountinfo_linux.go
new file mode 100644
index 000000000..a986f8f4e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mountinfo_linux.go
@@ -0,0 +1,135 @@
+// +build linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"strconv"
+	"strings"
+)
+
+// Self retrieves a list of mounts for the current running process.
+func Self() ([]Info, error) {
+	f, err := os.Open("/proc/self/mountinfo")
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	return parseInfoFile(f)
+}
+
+func parseInfoFile(r io.Reader) ([]Info, error) {
+	s := bufio.NewScanner(r)
+	out := []Info{}
+
+	for s.Scan() {
+		if err := s.Err(); err != nil {
+			return nil, err
+		}
+
+		/*
+		   36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue
+		   (1)(2)(3)   (4)   (5)      (6)      (7)   (8) (9)   (10)         (11)
+		   (1) mount ID:  unique identifier of the mount (may be reused after umount)
+		   (2) parent ID:  ID of parent (or of self for the top of the mount tree)
+		   (3) major:minor:  value of st_dev for files on filesystem
+		   (4) root:  root of the mount within the filesystem
+		   (5) mount point:  mount point relative to the process's root
+		   (6) mount options:  per mount options
+		   (7) optional fields:  zero or more fields of the form "tag[:value]"
+		   (8) separator:  marks the end of the optional fields
+		   (9) filesystem type:  name of filesystem of the form "type[.subtype]"
+		   (10) mount source:  filesystem specific information or "none"
+		   (11) super options:  per super block options
+		*/
+
+		text := s.Text()
+		fields := strings.Split(text, " ")
+		numFields := len(fields)
+		if numFields < 10 {
+			// should be at least 10 fields
+			return nil, fmt.Errorf("Parsing '%s' failed: not enough fields (%d)", text, numFields)
+		}
+		p := Info{}
+		// ignore any numbers parsing errors, as there should not be any
+		p.ID, _ = strconv.Atoi(fields[0])
+		p.Parent, _ = strconv.Atoi(fields[1])
+		mm := strings.Split(fields[2], ":")
+		if len(mm) != 2 {
+			return nil, fmt.Errorf("Parsing '%s' failed: unexpected minor:major pair %s", text, mm)
+		}
+		p.Major, _ = strconv.Atoi(mm[0])
+		p.Minor, _ = strconv.Atoi(mm[1])
+
+		p.Root = fields[3]
+		p.Mountpoint = fields[4]
+		p.Options = fields[5]
+
+		// one or more optional fields, when a separator (-)
+		i := 6
+		for ; i < numFields && fields[i] != "-"; i++ {
+			switch i {
+			case 6:
+				p.Optional = fields[6]
+			default:
+				/* NOTE there might be more optional fields before the separator
+				   such as fields[7]...fields[N] (where N < separatorIndex),
+				   although as of Linux kernel 4.15 the only known ones are
+				   mount propagation flags in fields[6]. The correct
+				   behavior is to ignore any unknown optional fields.
+				*/
+			}
+		}
+		if i == numFields {
+			return nil, fmt.Errorf("Parsing '%s' failed: missing separator ('-')", text)
+		}
+		// There should be 3 fields after the separator...
+		if i+4 > numFields {
+			return nil, fmt.Errorf("Parsing '%s' failed: not enough fields after a separator", text)
+		}
+		// ... but in Linux <= 3.9 mounting a cifs with spaces in a share name
+		// (like "//serv/My Documents") _may_ end up having a space in the last field
+		// of mountinfo (like "unc=//serv/My Documents"). Since kernel 3.10-rc1, cifs
+		// option unc= is ignored,  so a space should not appear. In here we ignore
+		// those "extra" fields caused by extra spaces.
+		p.FSType = fields[i+1]
+		p.Source = fields[i+2]
+		p.VFSOptions = fields[i+3]
+
+		out = append(out, p)
+	}
+	return out, nil
+}
+
+// PID collects the mounts for a specific process ID. If the process
+// ID is unknown, it is better to use `Self` which will inspect
+// "/proc/self/mountinfo" instead.
+func PID(pid int) ([]Info, error) {
+	f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid))
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	return parseInfoFile(f)
+}
diff --git a/vendor/github.com/containerd/containerd/mount/mountinfo_unsupported.go b/vendor/github.com/containerd/containerd/mount/mountinfo_unsupported.go
new file mode 100644
index 000000000..ae998db6b
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/mountinfo_unsupported.go
@@ -0,0 +1,34 @@
+// +build !linux,!freebsd,!solaris,!openbsd freebsd,!cgo solaris,!cgo openbsd,!cgo
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"fmt"
+	"runtime"
+)
+
+// Self retrieves a list of mounts for the current running process.
+func Self() ([]Info, error) {
+	return nil, fmt.Errorf("mountinfo.Self is not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
+
+// PID collects the mounts for a specific process ID.
+func PID(pid int) ([]Info, error) {
+	return nil, fmt.Errorf("mountinfo.PID is not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
diff --git a/vendor/github.com/containerd/containerd/mount/temp.go b/vendor/github.com/containerd/containerd/mount/temp.go
new file mode 100644
index 000000000..9dc4010fe
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/temp.go
@@ -0,0 +1,73 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"context"
+	"io/ioutil"
+	"os"
+
+	"github.com/containerd/containerd/log"
+	"github.com/pkg/errors"
+)
+
+var tempMountLocation = getTempDir()
+
+// WithTempMount mounts the provided mounts to a temp dir, and pass the temp dir to f.
+// The mounts are valid during the call to the f.
+// Finally we will unmount and remove the temp dir regardless of the result of f.
+func WithTempMount(ctx context.Context, mounts []Mount, f func(root string) error) (err error) {
+	root, uerr := ioutil.TempDir(tempMountLocation, "containerd-mount")
+	if uerr != nil {
+		return errors.Wrapf(uerr, "failed to create temp dir")
+	}
+	// We use Remove here instead of RemoveAll.
+	// The RemoveAll will delete the temp dir and all children it contains.
+	// When the Unmount fails, RemoveAll will incorrectly delete data from
+	// the mounted dir. However, if we use Remove, even though we won't
+	// successfully delete the temp dir and it may leak, we won't loss data
+	// from the mounted dir.
+	// For details, please refer to #1868 #1785.
+	defer func() {
+		if uerr = os.Remove(root); uerr != nil {
+			log.G(ctx).WithError(uerr).WithField("dir", root).Errorf("failed to remove mount temp dir")
+		}
+	}()
+
+	// We should do defer first, if not we will not do Unmount when only a part of Mounts are failed.
+	defer func() {
+		if uerr = UnmountAll(root, 0); uerr != nil {
+			uerr = errors.Wrapf(uerr, "failed to unmount %s", root)
+			if err == nil {
+				err = uerr
+			} else {
+				err = errors.Wrap(err, uerr.Error())
+			}
+		}
+	}()
+	if uerr = All(mounts, root); uerr != nil {
+		return errors.Wrapf(uerr, "failed to mount %s", root)
+	}
+	return errors.Wrapf(f(root), "mount callback failed on %s", root)
+}
+
+func getTempDir() string {
+	if xdg := os.Getenv("XDG_RUNTIME_DIR"); xdg != "" {
+		return xdg
+	}
+	return os.TempDir()
+}
diff --git a/vendor/github.com/containerd/containerd/mount/temp_unix.go b/vendor/github.com/containerd/containerd/mount/temp_unix.go
new file mode 100644
index 000000000..3d490e8a7
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/temp_unix.go
@@ -0,0 +1,64 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+import (
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+)
+
+// SetTempMountLocation sets the temporary mount location
+func SetTempMountLocation(root string) error {
+	root, err := filepath.Abs(root)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(root, 0700); err != nil {
+		return err
+	}
+	tempMountLocation = root
+	return nil
+}
+
+// CleanupTempMounts all temp mounts and remove the directories
+func CleanupTempMounts(flags int) (warnings []error, err error) {
+	mounts, err := Self()
+	if err != nil {
+		return nil, err
+	}
+	var toUnmount []string
+	for _, m := range mounts {
+		if strings.HasPrefix(m.Mountpoint, tempMountLocation) {
+			toUnmount = append(toUnmount, m.Mountpoint)
+		}
+	}
+	sort.Sort(sort.Reverse(sort.StringSlice(toUnmount)))
+	for _, path := range toUnmount {
+		if err := UnmountAll(path, flags); err != nil {
+			warnings = append(warnings, err)
+			continue
+		}
+		if err := os.Remove(path); err != nil {
+			warnings = append(warnings, err)
+		}
+	}
+	return warnings, nil
+}
diff --git a/vendor/github.com/containerd/containerd/mount/temp_unsupported.go b/vendor/github.com/containerd/containerd/mount/temp_unsupported.go
new file mode 100644
index 000000000..942be4128
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/mount/temp_unsupported.go
@@ -0,0 +1,29 @@
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package mount
+
+// SetTempMountLocation sets the temporary mount location
+func SetTempMountLocation(root string) error {
+	return nil
+}
+
+// CleanupTempMounts all temp mounts and remove the directories
+func CleanupTempMounts(flags int) ([]error, error) {
+	return nil, nil
+}
diff --git a/vendor/github.com/containerd/containerd/namespaces/context.go b/vendor/github.com/containerd/containerd/namespaces/context.go
new file mode 100644
index 000000000..cc5621a68
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/namespaces/context.go
@@ -0,0 +1,79 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package namespaces
+
+import (
+	"context"
+	"os"
+
+	"github.com/containerd/containerd/errdefs"
+	"github.com/pkg/errors"
+)
+
+const (
+	// NamespaceEnvVar is the environment variable key name
+	NamespaceEnvVar = "CONTAINERD_NAMESPACE"
+	// Default is the name of the default namespace
+	Default = "default"
+)
+
+type namespaceKey struct{}
+
+// WithNamespace sets a given namespace on the context
+func WithNamespace(ctx context.Context, namespace string) context.Context {
+	ctx = context.WithValue(ctx, namespaceKey{}, namespace) // set our key for namespace
+
+	// also store on the grpc headers so it gets picked up by any clients that
+	// are using this.
+	return withGRPCNamespaceHeader(ctx, namespace)
+}
+
+// NamespaceFromEnv uses the namespace defined in CONTAINERD_NAMESPACE or
+// default
+func NamespaceFromEnv(ctx context.Context) context.Context {
+	namespace := os.Getenv(NamespaceEnvVar)
+	if namespace == "" {
+		namespace = Default
+	}
+	return WithNamespace(ctx, namespace)
+}
+
+// Namespace returns the namespace from the context.
+//
+// The namespace is not guaranteed to be valid.
+func Namespace(ctx context.Context) (string, bool) {
+	namespace, ok := ctx.Value(namespaceKey{}).(string)
+	if !ok {
+		return fromGRPCHeader(ctx)
+	}
+
+	return namespace, ok
+}
+
+// NamespaceRequired returns the valid namepace from the context or an error.
+func NamespaceRequired(ctx context.Context) (string, error) {
+	namespace, ok := Namespace(ctx)
+	if !ok || namespace == "" {
+		return "", errors.Wrapf(errdefs.ErrFailedPrecondition, "namespace is required")
+	}
+
+	if err := Validate(namespace); err != nil {
+		return "", errors.Wrap(err, "namespace validation")
+	}
+
+	return namespace, nil
+}
diff --git a/vendor/github.com/containerd/containerd/namespaces/grpc.go b/vendor/github.com/containerd/containerd/namespaces/grpc.go
new file mode 100644
index 000000000..6991460da
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/namespaces/grpc.go
@@ -0,0 +1,61 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package namespaces
+
+import (
+	"context"
+
+	"google.golang.org/grpc/metadata"
+)
+
+const (
+	// GRPCHeader defines the header name for specifying a containerd namespace.
+	GRPCHeader = "containerd-namespace"
+)
+
+// NOTE(stevvooe): We can stub this file out if we don't want a grpc dependency here.
+
+func withGRPCNamespaceHeader(ctx context.Context, namespace string) context.Context {
+	// also store on the grpc headers so it gets picked up by any clients that
+	// are using this.
+	nsheader := metadata.Pairs(GRPCHeader, namespace)
+	md, ok := metadata.FromOutgoingContext(ctx) // merge with outgoing context.
+	if !ok {
+		md = nsheader
+	} else {
+		// order ensures the latest is first in this list.
+		md = metadata.Join(nsheader, md)
+	}
+
+	return metadata.NewOutgoingContext(ctx, md)
+}
+
+func fromGRPCHeader(ctx context.Context) (string, bool) {
+	// try to extract for use in grpc servers.
+	md, ok := metadata.FromIncomingContext(ctx)
+	if !ok {
+		// TODO(stevvooe): Check outgoing context?
+		return "", false
+	}
+
+	values := md[GRPCHeader]
+	if len(values) == 0 {
+		return "", false
+	}
+
+	return values[0], true
+}
diff --git a/vendor/github.com/containerd/containerd/namespaces/store.go b/vendor/github.com/containerd/containerd/namespaces/store.go
new file mode 100644
index 000000000..0b5c98569
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/namespaces/store.go
@@ -0,0 +1,37 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package namespaces
+
+import "context"
+
+// Store provides introspection about namespaces.
+//
+// Note that these are slightly different than other objects, which are record
+// oriented. A namespace is really just a name and a set of labels. Objects
+// that belong to a namespace are returned when the namespace is assigned to a
+// given context.
+//
+//
+type Store interface {
+	Create(ctx context.Context, namespace string, labels map[string]string) error
+	Labels(ctx context.Context, namespace string) (map[string]string, error)
+	SetLabel(ctx context.Context, namespace, key, value string) error
+	List(ctx context.Context) ([]string, error)
+
+	// Delete removes the namespace. The namespace must be empty to be deleted.
+	Delete(ctx context.Context, namespace string) error
+}
diff --git a/vendor/github.com/containerd/containerd/namespaces/validate.go b/vendor/github.com/containerd/containerd/namespaces/validate.go
new file mode 100644
index 000000000..222da3ea4
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/namespaces/validate.go
@@ -0,0 +1,83 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+// Package namespaces provides tools for working with namespaces across
+// containerd.
+//
+// Namespaces collect resources such as containers and images, into a unique
+// identifier space. This means that two applications can use the same
+// identifiers and not conflict while using containerd.
+//
+// This package can be used to ensure that client and server functions
+// correctly store the namespace on the context.
+package namespaces
+
+import (
+	"regexp"
+
+	"github.com/containerd/containerd/errdefs"
+	"github.com/pkg/errors"
+)
+
+const (
+	maxLength = 76
+	alpha     = `[A-Za-z]`
+	alphanum  = `[A-Za-z0-9]+`
+	label     = alpha + alphanum + `(:?[-]+` + alpha + alphanum + `)*`
+)
+
+var (
+	// namespaceRe validates that a namespace matches valid identifiers.
+	//
+	// Rules for domains, defined in RFC 1035, section 2.3.1, are used for
+	// namespaces.
+	namespaceRe = regexp.MustCompile(reAnchor(label + reGroup("[.]"+reGroup(label)) + "*"))
+)
+
+// Validate returns nil if the string s is a valid namespace.
+//
+// To allow such namespace identifiers to be used across various contexts
+// safely, the character set has been restricted to that defined for domains in
+// RFC 1035, section 2.3.1. This will make namespace identifiers safe for use
+// across networks, filesystems and other media.
+//
+// The identifier specification departs from RFC 1035 in that it allows
+// "labels" to start with number and only enforces a total length restriction
+// of 76 characters.
+//
+// While the character set may be expanded in the future, namespace identifiers
+// are guaranteed to be safely used as filesystem path components.
+//
+// For the most part, this doesn't need to be called directly when using the
+// context-oriented functions.
+func Validate(s string) error {
+	if len(s) > maxLength {
+		return errors.Wrapf(errdefs.ErrInvalidArgument, "namespace %q greater than maximum length (%d characters)", s, maxLength)
+	}
+
+	if !namespaceRe.MatchString(s) {
+		return errors.Wrapf(errdefs.ErrInvalidArgument, "namespace %q must match %v", s, namespaceRe)
+	}
+	return nil
+}
+
+func reGroup(s string) string {
+	return `(?:` + s + `)`
+}
+
+func reAnchor(s string) string {
+	return `^` + s + `$`
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/events.go b/vendor/github.com/containerd/containerd/runtime/events.go
new file mode 100644
index 000000000..4a064c885
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/events.go
@@ -0,0 +1,42 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+const (
+	// TaskCreateEventTopic for task create
+	TaskCreateEventTopic = "/tasks/create"
+	// TaskStartEventTopic for task start
+	TaskStartEventTopic = "/tasks/start"
+	// TaskOOMEventTopic for task oom
+	TaskOOMEventTopic = "/tasks/oom"
+	// TaskExitEventTopic for task exit
+	TaskExitEventTopic = "/tasks/exit"
+	// TaskDeleteEventTopic for task delete
+	TaskDeleteEventTopic = "/tasks/delete"
+	// TaskExecAddedEventTopic for task exec create
+	TaskExecAddedEventTopic = "/tasks/exec-added"
+	// TaskExecStartedEventTopic for task exec start
+	TaskExecStartedEventTopic = "/tasks/exec-started"
+	// TaskPausedEventTopic for task pause
+	TaskPausedEventTopic = "/tasks/paused"
+	// TaskResumedEventTopic for task resume
+	TaskResumedEventTopic = "/tasks/resumed"
+	// TaskCheckpointedEventTopic for task checkpoint
+	TaskCheckpointedEventTopic = "/tasks/checkpointed"
+	// TaskUnknownTopic for unknown task events
+	TaskUnknownTopic = "/tasks/?"
+)
diff --git a/vendor/github.com/containerd/containerd/runtime/linux/runctypes/doc.go b/vendor/github.com/containerd/containerd/runtime/linux/runctypes/doc.go
new file mode 100644
index 000000000..8d074c534
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/linux/runctypes/doc.go
@@ -0,0 +1,17 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runctypes
diff --git a/vendor/github.com/containerd/containerd/runtime/linux/runctypes/runc.pb.go b/vendor/github.com/containerd/containerd/runtime/linux/runctypes/runc.pb.go
new file mode 100644
index 000000000..c13d23359
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/linux/runctypes/runc.pb.go
@@ -0,0 +1,1450 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/runtime/linux/runctypes/runc.proto
+
+/*
+	Package runctypes is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/runtime/linux/runctypes/runc.proto
+
+	It has these top-level messages:
+		RuncOptions
+		CreateOptions
+		CheckpointOptions
+		ProcessDetails
+*/
+package runctypes
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+type RuncOptions struct {
+	Runtime       string `protobuf:"bytes,1,opt,name=runtime,proto3" json:"runtime,omitempty"`
+	RuntimeRoot   string `protobuf:"bytes,2,opt,name=runtime_root,json=runtimeRoot,proto3" json:"runtime_root,omitempty"`
+	CriuPath      string `protobuf:"bytes,3,opt,name=criu_path,json=criuPath,proto3" json:"criu_path,omitempty"`
+	SystemdCgroup bool   `protobuf:"varint,4,opt,name=systemd_cgroup,json=systemdCgroup,proto3" json:"systemd_cgroup,omitempty"`
+}
+
+func (m *RuncOptions) Reset()                    { *m = RuncOptions{} }
+func (*RuncOptions) ProtoMessage()               {}
+func (*RuncOptions) Descriptor() ([]byte, []int) { return fileDescriptorRunc, []int{0} }
+
+type CreateOptions struct {
+	NoPivotRoot         bool     `protobuf:"varint,1,opt,name=no_pivot_root,json=noPivotRoot,proto3" json:"no_pivot_root,omitempty"`
+	OpenTcp             bool     `protobuf:"varint,2,opt,name=open_tcp,json=openTcp,proto3" json:"open_tcp,omitempty"`
+	ExternalUnixSockets bool     `protobuf:"varint,3,opt,name=external_unix_sockets,json=externalUnixSockets,proto3" json:"external_unix_sockets,omitempty"`
+	Terminal            bool     `protobuf:"varint,4,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	FileLocks           bool     `protobuf:"varint,5,opt,name=file_locks,json=fileLocks,proto3" json:"file_locks,omitempty"`
+	EmptyNamespaces     []string `protobuf:"bytes,6,rep,name=empty_namespaces,json=emptyNamespaces" json:"empty_namespaces,omitempty"`
+	CgroupsMode         string   `protobuf:"bytes,7,opt,name=cgroups_mode,json=cgroupsMode,proto3" json:"cgroups_mode,omitempty"`
+	NoNewKeyring        bool     `protobuf:"varint,8,opt,name=no_new_keyring,json=noNewKeyring,proto3" json:"no_new_keyring,omitempty"`
+	ShimCgroup          string   `protobuf:"bytes,9,opt,name=shim_cgroup,json=shimCgroup,proto3" json:"shim_cgroup,omitempty"`
+	IoUid               uint32   `protobuf:"varint,10,opt,name=io_uid,json=ioUid,proto3" json:"io_uid,omitempty"`
+	IoGid               uint32   `protobuf:"varint,11,opt,name=io_gid,json=ioGid,proto3" json:"io_gid,omitempty"`
+}
+
+func (m *CreateOptions) Reset()                    { *m = CreateOptions{} }
+func (*CreateOptions) ProtoMessage()               {}
+func (*CreateOptions) Descriptor() ([]byte, []int) { return fileDescriptorRunc, []int{1} }
+
+type CheckpointOptions struct {
+	Exit                bool     `protobuf:"varint,1,opt,name=exit,proto3" json:"exit,omitempty"`
+	OpenTcp             bool     `protobuf:"varint,2,opt,name=open_tcp,json=openTcp,proto3" json:"open_tcp,omitempty"`
+	ExternalUnixSockets bool     `protobuf:"varint,3,opt,name=external_unix_sockets,json=externalUnixSockets,proto3" json:"external_unix_sockets,omitempty"`
+	Terminal            bool     `protobuf:"varint,4,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	FileLocks           bool     `protobuf:"varint,5,opt,name=file_locks,json=fileLocks,proto3" json:"file_locks,omitempty"`
+	EmptyNamespaces     []string `protobuf:"bytes,6,rep,name=empty_namespaces,json=emptyNamespaces" json:"empty_namespaces,omitempty"`
+	CgroupsMode         string   `protobuf:"bytes,7,opt,name=cgroups_mode,json=cgroupsMode,proto3" json:"cgroups_mode,omitempty"`
+}
+
+func (m *CheckpointOptions) Reset()                    { *m = CheckpointOptions{} }
+func (*CheckpointOptions) ProtoMessage()               {}
+func (*CheckpointOptions) Descriptor() ([]byte, []int) { return fileDescriptorRunc, []int{2} }
+
+type ProcessDetails struct {
+	ExecID string `protobuf:"bytes,1,opt,name=exec_id,json=execId,proto3" json:"exec_id,omitempty"`
+}
+
+func (m *ProcessDetails) Reset()                    { *m = ProcessDetails{} }
+func (*ProcessDetails) ProtoMessage()               {}
+func (*ProcessDetails) Descriptor() ([]byte, []int) { return fileDescriptorRunc, []int{3} }
+
+func init() {
+	proto.RegisterType((*RuncOptions)(nil), "containerd.linux.runc.RuncOptions")
+	proto.RegisterType((*CreateOptions)(nil), "containerd.linux.runc.CreateOptions")
+	proto.RegisterType((*CheckpointOptions)(nil), "containerd.linux.runc.CheckpointOptions")
+	proto.RegisterType((*ProcessDetails)(nil), "containerd.linux.runc.ProcessDetails")
+}
+func (m *RuncOptions) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *RuncOptions) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Runtime) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.Runtime)))
+		i += copy(dAtA[i:], m.Runtime)
+	}
+	if len(m.RuntimeRoot) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.RuntimeRoot)))
+		i += copy(dAtA[i:], m.RuntimeRoot)
+	}
+	if len(m.CriuPath) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.CriuPath)))
+		i += copy(dAtA[i:], m.CriuPath)
+	}
+	if m.SystemdCgroup {
+		dAtA[i] = 0x20
+		i++
+		if m.SystemdCgroup {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
+func (m *CreateOptions) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CreateOptions) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.NoPivotRoot {
+		dAtA[i] = 0x8
+		i++
+		if m.NoPivotRoot {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.OpenTcp {
+		dAtA[i] = 0x10
+		i++
+		if m.OpenTcp {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.ExternalUnixSockets {
+		dAtA[i] = 0x18
+		i++
+		if m.ExternalUnixSockets {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.Terminal {
+		dAtA[i] = 0x20
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.FileLocks {
+		dAtA[i] = 0x28
+		i++
+		if m.FileLocks {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if len(m.EmptyNamespaces) > 0 {
+		for _, s := range m.EmptyNamespaces {
+			dAtA[i] = 0x32
+			i++
+			l = len(s)
+			for l >= 1<<7 {
+				dAtA[i] = uint8(uint64(l)&0x7f | 0x80)
+				l >>= 7
+				i++
+			}
+			dAtA[i] = uint8(l)
+			i++
+			i += copy(dAtA[i:], s)
+		}
+	}
+	if len(m.CgroupsMode) > 0 {
+		dAtA[i] = 0x3a
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.CgroupsMode)))
+		i += copy(dAtA[i:], m.CgroupsMode)
+	}
+	if m.NoNewKeyring {
+		dAtA[i] = 0x40
+		i++
+		if m.NoNewKeyring {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if len(m.ShimCgroup) > 0 {
+		dAtA[i] = 0x4a
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.ShimCgroup)))
+		i += copy(dAtA[i:], m.ShimCgroup)
+	}
+	if m.IoUid != 0 {
+		dAtA[i] = 0x50
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(m.IoUid))
+	}
+	if m.IoGid != 0 {
+		dAtA[i] = 0x58
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(m.IoGid))
+	}
+	return i, nil
+}
+
+func (m *CheckpointOptions) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CheckpointOptions) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Exit {
+		dAtA[i] = 0x8
+		i++
+		if m.Exit {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.OpenTcp {
+		dAtA[i] = 0x10
+		i++
+		if m.OpenTcp {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.ExternalUnixSockets {
+		dAtA[i] = 0x18
+		i++
+		if m.ExternalUnixSockets {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.Terminal {
+		dAtA[i] = 0x20
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.FileLocks {
+		dAtA[i] = 0x28
+		i++
+		if m.FileLocks {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if len(m.EmptyNamespaces) > 0 {
+		for _, s := range m.EmptyNamespaces {
+			dAtA[i] = 0x32
+			i++
+			l = len(s)
+			for l >= 1<<7 {
+				dAtA[i] = uint8(uint64(l)&0x7f | 0x80)
+				l >>= 7
+				i++
+			}
+			dAtA[i] = uint8(l)
+			i++
+			i += copy(dAtA[i:], s)
+		}
+	}
+	if len(m.CgroupsMode) > 0 {
+		dAtA[i] = 0x3a
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.CgroupsMode)))
+		i += copy(dAtA[i:], m.CgroupsMode)
+	}
+	return i, nil
+}
+
+func (m *ProcessDetails) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ProcessDetails) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ExecID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintRunc(dAtA, i, uint64(len(m.ExecID)))
+		i += copy(dAtA[i:], m.ExecID)
+	}
+	return i, nil
+}
+
+func encodeVarintRunc(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *RuncOptions) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Runtime)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	l = len(m.RuntimeRoot)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	l = len(m.CriuPath)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	if m.SystemdCgroup {
+		n += 2
+	}
+	return n
+}
+
+func (m *CreateOptions) Size() (n int) {
+	var l int
+	_ = l
+	if m.NoPivotRoot {
+		n += 2
+	}
+	if m.OpenTcp {
+		n += 2
+	}
+	if m.ExternalUnixSockets {
+		n += 2
+	}
+	if m.Terminal {
+		n += 2
+	}
+	if m.FileLocks {
+		n += 2
+	}
+	if len(m.EmptyNamespaces) > 0 {
+		for _, s := range m.EmptyNamespaces {
+			l = len(s)
+			n += 1 + l + sovRunc(uint64(l))
+		}
+	}
+	l = len(m.CgroupsMode)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	if m.NoNewKeyring {
+		n += 2
+	}
+	l = len(m.ShimCgroup)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	if m.IoUid != 0 {
+		n += 1 + sovRunc(uint64(m.IoUid))
+	}
+	if m.IoGid != 0 {
+		n += 1 + sovRunc(uint64(m.IoGid))
+	}
+	return n
+}
+
+func (m *CheckpointOptions) Size() (n int) {
+	var l int
+	_ = l
+	if m.Exit {
+		n += 2
+	}
+	if m.OpenTcp {
+		n += 2
+	}
+	if m.ExternalUnixSockets {
+		n += 2
+	}
+	if m.Terminal {
+		n += 2
+	}
+	if m.FileLocks {
+		n += 2
+	}
+	if len(m.EmptyNamespaces) > 0 {
+		for _, s := range m.EmptyNamespaces {
+			l = len(s)
+			n += 1 + l + sovRunc(uint64(l))
+		}
+	}
+	l = len(m.CgroupsMode)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	return n
+}
+
+func (m *ProcessDetails) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ExecID)
+	if l > 0 {
+		n += 1 + l + sovRunc(uint64(l))
+	}
+	return n
+}
+
+func sovRunc(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozRunc(x uint64) (n int) {
+	return sovRunc(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *RuncOptions) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&RuncOptions{`,
+		`Runtime:` + fmt.Sprintf("%v", this.Runtime) + `,`,
+		`RuntimeRoot:` + fmt.Sprintf("%v", this.RuntimeRoot) + `,`,
+		`CriuPath:` + fmt.Sprintf("%v", this.CriuPath) + `,`,
+		`SystemdCgroup:` + fmt.Sprintf("%v", this.SystemdCgroup) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *CreateOptions) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CreateOptions{`,
+		`NoPivotRoot:` + fmt.Sprintf("%v", this.NoPivotRoot) + `,`,
+		`OpenTcp:` + fmt.Sprintf("%v", this.OpenTcp) + `,`,
+		`ExternalUnixSockets:` + fmt.Sprintf("%v", this.ExternalUnixSockets) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`FileLocks:` + fmt.Sprintf("%v", this.FileLocks) + `,`,
+		`EmptyNamespaces:` + fmt.Sprintf("%v", this.EmptyNamespaces) + `,`,
+		`CgroupsMode:` + fmt.Sprintf("%v", this.CgroupsMode) + `,`,
+		`NoNewKeyring:` + fmt.Sprintf("%v", this.NoNewKeyring) + `,`,
+		`ShimCgroup:` + fmt.Sprintf("%v", this.ShimCgroup) + `,`,
+		`IoUid:` + fmt.Sprintf("%v", this.IoUid) + `,`,
+		`IoGid:` + fmt.Sprintf("%v", this.IoGid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *CheckpointOptions) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CheckpointOptions{`,
+		`Exit:` + fmt.Sprintf("%v", this.Exit) + `,`,
+		`OpenTcp:` + fmt.Sprintf("%v", this.OpenTcp) + `,`,
+		`ExternalUnixSockets:` + fmt.Sprintf("%v", this.ExternalUnixSockets) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`FileLocks:` + fmt.Sprintf("%v", this.FileLocks) + `,`,
+		`EmptyNamespaces:` + fmt.Sprintf("%v", this.EmptyNamespaces) + `,`,
+		`CgroupsMode:` + fmt.Sprintf("%v", this.CgroupsMode) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ProcessDetails) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ProcessDetails{`,
+		`ExecID:` + fmt.Sprintf("%v", this.ExecID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringRunc(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *RuncOptions) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRunc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: RuncOptions: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: RuncOptions: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Runtime", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Runtime = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RuntimeRoot", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.RuntimeRoot = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CriuPath", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.CriuPath = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SystemdCgroup", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.SystemdCgroup = bool(v != 0)
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRunc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRunc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *CreateOptions) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRunc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CreateOptions: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CreateOptions: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NoPivotRoot", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.NoPivotRoot = bool(v != 0)
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OpenTcp", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.OpenTcp = bool(v != 0)
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExternalUnixSockets", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.ExternalUnixSockets = bool(v != 0)
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field FileLocks", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.FileLocks = bool(v != 0)
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field EmptyNamespaces", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.EmptyNamespaces = append(m.EmptyNamespaces, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CgroupsMode", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.CgroupsMode = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NoNewKeyring", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.NoNewKeyring = bool(v != 0)
+		case 9:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ShimCgroup", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ShimCgroup = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 10:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field IoUid", wireType)
+			}
+			m.IoUid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.IoUid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 11:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field IoGid", wireType)
+			}
+			m.IoGid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.IoGid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRunc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRunc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *CheckpointOptions) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRunc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CheckpointOptions: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CheckpointOptions: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Exit", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Exit = bool(v != 0)
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OpenTcp", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.OpenTcp = bool(v != 0)
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExternalUnixSockets", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.ExternalUnixSockets = bool(v != 0)
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field FileLocks", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.FileLocks = bool(v != 0)
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field EmptyNamespaces", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.EmptyNamespaces = append(m.EmptyNamespaces, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CgroupsMode", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.CgroupsMode = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRunc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRunc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ProcessDetails) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRunc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ProcessDetails: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ProcessDetails: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExecID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRunc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ExecID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRunc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRunc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipRunc(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowRunc
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowRunc
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthRunc
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowRunc
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipRunc(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthRunc = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowRunc   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/runtime/linux/runctypes/runc.proto", fileDescriptorRunc)
+}
+
+var fileDescriptorRunc = []byte{
+	// 541 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xdc, 0x93, 0xc1, 0x6e, 0xd3, 0x40,
+	0x10, 0x86, 0x6b, 0xda, 0x26, 0xce, 0xa4, 0x29, 0xb0, 0x50, 0xc9, 0x14, 0x91, 0x86, 0x00, 0x52,
+	0xb8, 0xa4, 0x12, 0x88, 0x13, 0xb7, 0xa6, 0x08, 0x55, 0x40, 0xa9, 0x0c, 0x95, 0x10, 0x42, 0x5a,
+	0xb9, 0xeb, 0x21, 0x59, 0xc5, 0xde, 0x59, 0x79, 0xd7, 0xd4, 0xb9, 0xf5, 0x09, 0x78, 0xae, 0x1e,
+	0x39, 0x72, 0x42, 0x34, 0x2f, 0x02, 0xf2, 0xda, 0x0e, 0x9c, 0x39, 0x72, 0xfb, 0xe7, 0xfb, 0xc7,
+	0x9e, 0xd1, 0xbf, 0x1a, 0x98, 0x4c, 0xa5, 0x9d, 0xe5, 0x67, 0x63, 0x41, 0xe9, 0xbe, 0x20, 0x65,
+	0x23, 0xa9, 0x30, 0x8b, 0xff, 0x96, 0x59, 0xae, 0xac, 0x4c, 0x71, 0x3f, 0x91, 0x2a, 0x2f, 0xca,
+	0x4a, 0xd8, 0x85, 0x46, 0xe3, 0xd4, 0x58, 0x67, 0x64, 0x89, 0xed, 0xfc, 0x69, 0x1f, 0xbb, 0xb6,
+	0x71, 0x69, 0xee, 0xde, 0x9e, 0xd2, 0x94, 0x5c, 0xc7, 0x7e, 0xa9, 0xaa, 0xe6, 0xe1, 0x57, 0x0f,
+	0xba, 0x61, 0xae, 0xc4, 0x5b, 0x6d, 0x25, 0x29, 0xc3, 0x02, 0x68, 0xd7, 0x23, 0x02, 0x6f, 0xe0,
+	0x8d, 0x3a, 0x61, 0x53, 0xb2, 0xfb, 0xb0, 0x55, 0x4b, 0x9e, 0x11, 0xd9, 0xe0, 0x9a, 0xb3, 0xbb,
+	0x35, 0x0b, 0x89, 0x2c, 0xbb, 0x0b, 0x1d, 0x91, 0xc9, 0x9c, 0xeb, 0xc8, 0xce, 0x82, 0x75, 0xe7,
+	0xfb, 0x25, 0x38, 0x89, 0xec, 0x8c, 0x3d, 0x82, 0x6d, 0xb3, 0x30, 0x16, 0xd3, 0x98, 0x8b, 0x69,
+	0x46, 0xb9, 0x0e, 0x36, 0x06, 0xde, 0xc8, 0x0f, 0x7b, 0x35, 0x9d, 0x38, 0x38, 0xbc, 0x58, 0x87,
+	0xde, 0x24, 0xc3, 0xc8, 0x62, 0xb3, 0xd2, 0x10, 0x7a, 0x8a, 0xb8, 0x96, 0x5f, 0xc8, 0x56, 0x93,
+	0x3d, 0xf7, 0x5d, 0x57, 0xd1, 0x49, 0xc9, 0xdc, 0xe4, 0x3b, 0xe0, 0x93, 0x46, 0xc5, 0xad, 0xd0,
+	0x6e, 0x31, 0x3f, 0x6c, 0x97, 0xf5, 0x7b, 0xa1, 0xd9, 0x13, 0xd8, 0xc1, 0xc2, 0x62, 0xa6, 0xa2,
+	0x84, 0xe7, 0x4a, 0x16, 0xdc, 0x90, 0x98, 0xa3, 0x35, 0x6e, 0x41, 0x3f, 0xbc, 0xd5, 0x98, 0xa7,
+	0x4a, 0x16, 0xef, 0x2a, 0x8b, 0xed, 0x82, 0x6f, 0x31, 0x4b, 0xa5, 0x8a, 0x92, 0x7a, 0xcb, 0x55,
+	0xcd, 0xee, 0x01, 0x7c, 0x96, 0x09, 0xf2, 0x84, 0xc4, 0xdc, 0x04, 0x9b, 0xce, 0xed, 0x94, 0xe4,
+	0x75, 0x09, 0xd8, 0x63, 0xb8, 0x81, 0xa9, 0xb6, 0x0b, 0xae, 0xa2, 0x14, 0x8d, 0x8e, 0x04, 0x9a,
+	0xa0, 0x35, 0x58, 0x1f, 0x75, 0xc2, 0xeb, 0x8e, 0x1f, 0xaf, 0x70, 0x99, 0x68, 0x95, 0x84, 0xe1,
+	0x29, 0xc5, 0x18, 0xb4, 0xab, 0x44, 0x6b, 0xf6, 0x86, 0x62, 0x64, 0x0f, 0x61, 0x5b, 0x11, 0x57,
+	0x78, 0xce, 0xe7, 0xb8, 0xc8, 0xa4, 0x9a, 0x06, 0xbe, 0x1b, 0xb8, 0xa5, 0xe8, 0x18, 0xcf, 0x5f,
+	0x55, 0x8c, 0xed, 0x41, 0xd7, 0xcc, 0x64, 0xda, 0xe4, 0xda, 0x71, 0xff, 0x81, 0x12, 0x55, 0xa1,
+	0xb2, 0x1d, 0x68, 0x49, 0xe2, 0xb9, 0x8c, 0x03, 0x18, 0x78, 0xa3, 0x5e, 0xb8, 0x29, 0xe9, 0x54,
+	0xc6, 0x35, 0x9e, 0xca, 0x38, 0xe8, 0x36, 0xf8, 0xa5, 0x8c, 0x87, 0xbf, 0x3c, 0xb8, 0x39, 0x99,
+	0xa1, 0x98, 0x6b, 0x92, 0xca, 0x36, 0xcf, 0xc0, 0x60, 0x03, 0x0b, 0xd9, 0xa4, 0xef, 0xf4, 0xff,
+	0x1a, 0xfb, 0xf0, 0x19, 0x6c, 0x9f, 0x64, 0x24, 0xd0, 0x98, 0x43, 0xb4, 0x91, 0x4c, 0x0c, 0x7b,
+	0x00, 0x6d, 0x2c, 0x50, 0x70, 0x19, 0x57, 0x77, 0x71, 0x00, 0xcb, 0x1f, 0x7b, 0xad, 0x17, 0x05,
+	0x8a, 0xa3, 0xc3, 0xb0, 0x55, 0x5a, 0x47, 0xf1, 0xc1, 0xa7, 0xcb, 0xab, 0xfe, 0xda, 0xf7, 0xab,
+	0xfe, 0xda, 0xc5, 0xb2, 0xef, 0x5d, 0x2e, 0xfb, 0xde, 0xb7, 0x65, 0xdf, 0xfb, 0xb9, 0xec, 0x7b,
+	0x1f, 0x0f, 0xfe, 0xf5, 0xb0, 0x9f, 0xaf, 0xd4, 0x87, 0xb5, 0xb3, 0x96, 0xbb, 0xd9, 0xa7, 0xbf,
+	0x03, 0x00, 0x00, 0xff, 0xff, 0x18, 0xa1, 0x4b, 0x5b, 0x27, 0x04, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/linux/runctypes/runc.proto b/vendor/github.com/containerd/containerd/runtime/linux/runctypes/runc.proto
new file mode 100644
index 000000000..ddd3f8d11
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/linux/runctypes/runc.proto
@@ -0,0 +1,42 @@
+syntax = "proto3";
+
+package containerd.linux.runc;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/runtime/linux/runctypes;runctypes";
+
+message RuncOptions {
+	string runtime = 1;
+	string runtime_root = 2;
+	string criu_path = 3;
+	bool systemd_cgroup = 4;
+}
+
+message CreateOptions {
+	bool no_pivot_root = 1;
+	bool open_tcp = 2;
+	bool external_unix_sockets = 3;
+	bool terminal = 4;
+	bool file_locks = 5;
+	repeated string empty_namespaces = 6;
+	string cgroups_mode = 7;
+	bool no_new_keyring = 8;
+	string shim_cgroup = 9;
+	uint32 io_uid = 10;
+	uint32 io_gid = 11;
+}
+
+message CheckpointOptions {
+	bool exit = 1;
+	bool open_tcp = 2;
+	bool external_unix_sockets = 3;
+	bool terminal = 4;
+	bool file_locks = 5;
+	repeated string empty_namespaces = 6;
+	string cgroups_mode = 7;
+}
+
+message ProcessDetails {
+	string exec_id = 1;
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/monitor.go b/vendor/github.com/containerd/containerd/runtime/monitor.go
new file mode 100644
index 000000000..eb07ebdb4
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/monitor.go
@@ -0,0 +1,70 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+// TaskMonitor provides an interface for monitoring of containers within containerd
+type TaskMonitor interface {
+	// Monitor adds the provided container to the monitor
+	Monitor(Task) error
+	// Stop stops and removes the provided container from the monitor
+	Stop(Task) error
+}
+
+// NewMultiTaskMonitor returns a new TaskMonitor broadcasting to the provided monitors
+func NewMultiTaskMonitor(monitors ...TaskMonitor) TaskMonitor {
+	return &multiTaskMonitor{
+		monitors: monitors,
+	}
+}
+
+// NewNoopMonitor is a task monitor that does nothing
+func NewNoopMonitor() TaskMonitor {
+	return &noopTaskMonitor{}
+}
+
+type noopTaskMonitor struct {
+}
+
+func (mm *noopTaskMonitor) Monitor(c Task) error {
+	return nil
+}
+
+func (mm *noopTaskMonitor) Stop(c Task) error {
+	return nil
+}
+
+type multiTaskMonitor struct {
+	monitors []TaskMonitor
+}
+
+func (mm *multiTaskMonitor) Monitor(c Task) error {
+	for _, m := range mm.monitors {
+		if err := m.Monitor(c); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (mm *multiTaskMonitor) Stop(c Task) error {
+	for _, m := range mm.monitors {
+		if err := m.Stop(c); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/proc/proc.go b/vendor/github.com/containerd/containerd/runtime/proc/proc.go
new file mode 100644
index 000000000..02bc9bda8
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/proc/proc.go
@@ -0,0 +1,83 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+	"io"
+	"sync"
+	"time"
+
+	"github.com/containerd/console"
+)
+
+// Stdio of a process
+type Stdio struct {
+	Stdin    string
+	Stdout   string
+	Stderr   string
+	Terminal bool
+}
+
+// IsNull returns true if the stdio is not defined
+func (s Stdio) IsNull() bool {
+	return s.Stdin == "" && s.Stdout == "" && s.Stderr == ""
+}
+
+// Process on a system
+type Process interface {
+	State
+	// ID returns the id for the process
+	ID() string
+	// Pid returns the pid for the process
+	Pid() int
+	// ExitStatus returns the exit status
+	ExitStatus() int
+	// ExitedAt is the time the process exited
+	ExitedAt() time.Time
+	// Stdin returns the process STDIN
+	Stdin() io.Closer
+	// Stdio returns io information for the container
+	Stdio() Stdio
+	// Status returns the process status
+	Status(context.Context) (string, error)
+	// Wait blocks until the process has exited
+	Wait()
+}
+
+// State of a process
+type State interface {
+	// Resize resizes the process console
+	Resize(ws console.WinSize) error
+	// Start execution of the process
+	Start(context.Context) error
+	// Delete deletes the process and its resourcess
+	Delete(context.Context) error
+	// Kill kills the process
+	Kill(context.Context, uint32, bool) error
+	// SetExited sets the exit status for the process
+	SetExited(status int)
+}
+
+// Platform handles platform-specific behavior that may differs across
+// platform implementations
+type Platform interface {
+	CopyConsole(ctx context.Context, console console.Console, stdin, stdout, stderr string,
+		wg, cwg *sync.WaitGroup) (console.Console, error)
+	ShutdownConsole(ctx context.Context, console console.Console) error
+	Close() error
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/runtime.go b/vendor/github.com/containerd/containerd/runtime/runtime.go
new file mode 100644
index 000000000..1b3f87c15
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/runtime.go
@@ -0,0 +1,72 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+import (
+	"context"
+	"time"
+
+	"github.com/containerd/containerd/mount"
+	"github.com/gogo/protobuf/types"
+)
+
+// IO holds process IO information
+type IO struct {
+	Stdin    string
+	Stdout   string
+	Stderr   string
+	Terminal bool
+}
+
+// CreateOpts contains task creation data
+type CreateOpts struct {
+	// Spec is the OCI runtime spec
+	Spec *types.Any
+	// Rootfs mounts to perform to gain access to the container's filesystem
+	Rootfs []mount.Mount
+	// IO for the container's main process
+	IO IO
+	// Checkpoint digest to restore container state
+	Checkpoint string
+	// RuntimeOptions for the runtime
+	RuntimeOptions *types.Any
+	// TaskOptions received for the task
+	TaskOptions *types.Any
+	// Runtime to use
+	Runtime string
+}
+
+// Exit information for a process
+type Exit struct {
+	Pid       uint32
+	Status    uint32
+	Timestamp time.Time
+}
+
+// PlatformRuntime is responsible for the creation and management of
+// tasks and processes for a platform.
+type PlatformRuntime interface {
+	// ID of the runtime
+	ID() string
+	// Create creates a task with the provided id and options.
+	Create(ctx context.Context, id string, opts CreateOpts) (Task, error)
+	// Get returns a task.
+	Get(context.Context, string) (Task, error)
+	// Tasks returns all the current tasks for the runtime.
+	// Any container runs at most one task at a time.
+	Tasks(context.Context, bool) ([]Task, error)
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/task.go b/vendor/github.com/containerd/containerd/runtime/task.go
new file mode 100644
index 000000000..981e290c6
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/task.go
@@ -0,0 +1,132 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+import (
+	"context"
+	"time"
+
+	"github.com/gogo/protobuf/types"
+)
+
+// TaskInfo provides task specific information
+type TaskInfo struct {
+	ID        string
+	Runtime   string
+	Spec      []byte
+	Namespace string
+}
+
+// Process is a runtime object for an executing process inside a container
+type Process interface {
+	ID() string
+	// State returns the process state
+	State(context.Context) (State, error)
+	// Kill signals a container
+	Kill(context.Context, uint32, bool) error
+	// Pty resizes the processes pty/console
+	ResizePty(context.Context, ConsoleSize) error
+	// CloseStdin closes the processes stdin
+	CloseIO(context.Context) error
+	// Start the container's user defined process
+	Start(context.Context) error
+	// Wait for the process to exit
+	Wait(context.Context) (*Exit, error)
+	// Delete deletes the process
+	Delete(context.Context) (*Exit, error)
+}
+
+// Task is the runtime object for an executing container
+type Task interface {
+	Process
+
+	// Namespace that the task exists in
+	Namespace() string
+	// Pause pauses the container process
+	Pause(context.Context) error
+	// Resume unpauses the container process
+	Resume(context.Context) error
+	// Exec adds a process into the container
+	Exec(context.Context, string, ExecOpts) (Process, error)
+	// Pids returns all pids
+	Pids(context.Context) ([]ProcessInfo, error)
+	// Checkpoint checkpoints a container to an image with live system data
+	Checkpoint(context.Context, string, *types.Any) error
+	// Update sets the provided resources to a running task
+	Update(context.Context, *types.Any) error
+	// Process returns a process within the task for the provided id
+	Process(context.Context, string) (Process, error)
+	// Stats returns runtime specific metrics for a task
+	Stats(context.Context) (*types.Any, error)
+}
+
+// ExecOpts provides additional options for additional processes running in a task
+type ExecOpts struct {
+	Spec *types.Any
+	IO   IO
+}
+
+// ConsoleSize of a pty or windows terminal
+type ConsoleSize struct {
+	Width  uint32
+	Height uint32
+}
+
+// Status is the runtime status of a task and/or process
+type Status int
+
+const (
+	// CreatedStatus when a process has been created
+	CreatedStatus Status = iota + 1
+	// RunningStatus when a process is running
+	RunningStatus
+	// StoppedStatus when a process has stopped
+	StoppedStatus
+	// DeletedStatus when a process has been deleted
+	DeletedStatus
+	// PausedStatus when a process is paused
+	PausedStatus
+	// PausingStatus when a process is currently pausing
+	PausingStatus
+)
+
+// State information for a process
+type State struct {
+	// Status is the current status of the container
+	Status Status
+	// Pid is the main process id for the container
+	Pid uint32
+	// ExitStatus of the process
+	// Only valid if the Status is Stopped
+	ExitStatus uint32
+	// ExitedAt is the time at which the process exited
+	// Only valid if the Status is Stopped
+	ExitedAt time.Time
+	Stdin    string
+	Stdout   string
+	Stderr   string
+	Terminal bool
+}
+
+// ProcessInfo holds platform specific process information
+type ProcessInfo struct {
+	// Pid is the process ID
+	Pid uint32
+	// Info includes additional process information
+	// Info varies by platform
+	Info interface{}
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/task_list.go b/vendor/github.com/containerd/containerd/runtime/task_list.go
new file mode 100644
index 000000000..b92c6e01c
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/task_list.go
@@ -0,0 +1,130 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+import (
+	"context"
+	"sync"
+
+	"github.com/containerd/containerd/namespaces"
+	"github.com/pkg/errors"
+)
+
+var (
+	// ErrTaskNotExists is returned when a task does not exist
+	ErrTaskNotExists = errors.New("task does not exist")
+	// ErrTaskAlreadyExists is returned when a task already exists
+	ErrTaskAlreadyExists = errors.New("task already exists")
+)
+
+// NewTaskList returns a new TaskList
+func NewTaskList() *TaskList {
+	return &TaskList{
+		tasks: make(map[string]map[string]Task),
+	}
+}
+
+// TaskList holds and provides locking around tasks
+type TaskList struct {
+	mu    sync.Mutex
+	tasks map[string]map[string]Task
+}
+
+// Get a task
+func (l *TaskList) Get(ctx context.Context, id string) (Task, error) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	namespace, err := namespaces.NamespaceRequired(ctx)
+	if err != nil {
+		return nil, err
+	}
+	tasks, ok := l.tasks[namespace]
+	if !ok {
+		return nil, ErrTaskNotExists
+	}
+	t, ok := tasks[id]
+	if !ok {
+		return nil, ErrTaskNotExists
+	}
+	return t, nil
+}
+
+// GetAll tasks under a namespace
+func (l *TaskList) GetAll(ctx context.Context, noNS bool) ([]Task, error) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	var o []Task
+	if noNS {
+		for ns := range l.tasks {
+			for _, t := range l.tasks[ns] {
+				o = append(o, t)
+			}
+		}
+		return o, nil
+	}
+	namespace, err := namespaces.NamespaceRequired(ctx)
+	if err != nil {
+		return nil, err
+	}
+	tasks, ok := l.tasks[namespace]
+	if !ok {
+		return o, nil
+	}
+	for _, t := range tasks {
+		o = append(o, t)
+	}
+	return o, nil
+}
+
+// Add a task
+func (l *TaskList) Add(ctx context.Context, t Task) error {
+	namespace, err := namespaces.NamespaceRequired(ctx)
+	if err != nil {
+		return err
+	}
+	return l.AddWithNamespace(namespace, t)
+}
+
+// AddWithNamespace adds a task with the provided namespace
+func (l *TaskList) AddWithNamespace(namespace string, t Task) error {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	id := t.ID()
+	if _, ok := l.tasks[namespace]; !ok {
+		l.tasks[namespace] = make(map[string]Task)
+	}
+	if _, ok := l.tasks[namespace][id]; ok {
+		return errors.Wrap(ErrTaskAlreadyExists, id)
+	}
+	l.tasks[namespace][id] = t
+	return nil
+}
+
+// Delete a task
+func (l *TaskList) Delete(ctx context.Context, id string) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	namespace, err := namespaces.NamespaceRequired(ctx)
+	if err != nil {
+		return
+	}
+	tasks, ok := l.tasks[namespace]
+	if ok {
+		delete(tasks, id)
+	}
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/typeurl.go b/vendor/github.com/containerd/containerd/runtime/typeurl.go
new file mode 100644
index 000000000..eb54e250f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/typeurl.go
@@ -0,0 +1,34 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+import (
+	"strconv"
+
+	"github.com/containerd/typeurl"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+func init() {
+	const prefix = "types.containerd.io"
+	// register TypeUrls for commonly marshaled external types
+	major := strconv.Itoa(specs.VersionMajor)
+	typeurl.Register(&specs.Spec{}, prefix, "opencontainers/runtime-spec", major, "Spec")
+	typeurl.Register(&specs.Process{}, prefix, "opencontainers/runtime-spec", major, "Process")
+	typeurl.Register(&specs.LinuxResources{}, prefix, "opencontainers/runtime-spec", major, "LinuxResources")
+	typeurl.Register(&specs.WindowsResources{}, prefix, "opencontainers/runtime-spec", major, "WindowsResources")
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/deleted_state.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/deleted_state.go
new file mode 100644
index 000000000..ab89c3ecb
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/deleted_state.go
@@ -0,0 +1,71 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+
+	"github.com/containerd/console"
+	"github.com/containerd/containerd/runtime/proc"
+	google_protobuf "github.com/gogo/protobuf/types"
+	"github.com/pkg/errors"
+)
+
+type deletedState struct {
+}
+
+func (s *deletedState) Pause(ctx context.Context) error {
+	return errors.Errorf("cannot pause a deleted process")
+}
+
+func (s *deletedState) Resume(ctx context.Context) error {
+	return errors.Errorf("cannot resume a deleted process")
+}
+
+func (s *deletedState) Update(context context.Context, r *google_protobuf.Any) error {
+	return errors.Errorf("cannot update a deleted process")
+}
+
+func (s *deletedState) Checkpoint(ctx context.Context, r *CheckpointConfig) error {
+	return errors.Errorf("cannot checkpoint a deleted process")
+}
+
+func (s *deletedState) Resize(ws console.WinSize) error {
+	return errors.Errorf("cannot resize a deleted process")
+}
+
+func (s *deletedState) Start(ctx context.Context) error {
+	return errors.Errorf("cannot start a deleted process")
+}
+
+func (s *deletedState) Delete(ctx context.Context) error {
+	return errors.Errorf("cannot delete a deleted process")
+}
+
+func (s *deletedState) Kill(ctx context.Context, sig uint32, all bool) error {
+	return errors.Errorf("cannot kill a deleted process")
+}
+
+func (s *deletedState) SetExited(status int) {
+	// no op
+}
+
+func (s *deletedState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	return nil, errors.Errorf("cannot exec in a deleted state")
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/exec.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/exec.go
new file mode 100644
index 000000000..96c425dd9
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/exec.go
@@ -0,0 +1,220 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"sync"
+	"syscall"
+	"time"
+
+	"golang.org/x/sys/unix"
+
+	"github.com/containerd/console"
+	"github.com/containerd/containerd/runtime/proc"
+	"github.com/containerd/fifo"
+	runc "github.com/containerd/go-runc"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/pkg/errors"
+)
+
+type execProcess struct {
+	wg sync.WaitGroup
+
+	proc.State
+
+	mu      sync.Mutex
+	id      string
+	console console.Console
+	io      runc.IO
+	status  int
+	exited  time.Time
+	pid     int
+	closers []io.Closer
+	stdin   io.Closer
+	stdio   proc.Stdio
+	path    string
+	spec    specs.Process
+
+	parent    *Init
+	waitBlock chan struct{}
+}
+
+func (e *execProcess) Wait() {
+	<-e.waitBlock
+}
+
+func (e *execProcess) ID() string {
+	return e.id
+}
+
+func (e *execProcess) Pid() int {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	return e.pid
+}
+
+func (e *execProcess) ExitStatus() int {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	return e.status
+}
+
+func (e *execProcess) ExitedAt() time.Time {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	return e.exited
+}
+
+func (e *execProcess) setExited(status int) {
+	e.status = status
+	e.exited = time.Now()
+	e.parent.Platform.ShutdownConsole(context.Background(), e.console)
+	close(e.waitBlock)
+}
+
+func (e *execProcess) delete(ctx context.Context) error {
+	e.wg.Wait()
+	if e.io != nil {
+		for _, c := range e.closers {
+			c.Close()
+		}
+		e.io.Close()
+	}
+	pidfile := filepath.Join(e.path, fmt.Sprintf("%s.pid", e.id))
+	// silently ignore error
+	os.Remove(pidfile)
+	return nil
+}
+
+func (e *execProcess) resize(ws console.WinSize) error {
+	if e.console == nil {
+		return nil
+	}
+	return e.console.Resize(ws)
+}
+
+func (e *execProcess) kill(ctx context.Context, sig uint32, _ bool) error {
+	pid := e.pid
+	if pid != 0 {
+		if err := unix.Kill(pid, syscall.Signal(sig)); err != nil {
+			return errors.Wrapf(checkKillError(err), "exec kill error")
+		}
+	}
+	return nil
+}
+
+func (e *execProcess) Stdin() io.Closer {
+	return e.stdin
+}
+
+func (e *execProcess) Stdio() proc.Stdio {
+	return e.stdio
+}
+
+func (e *execProcess) start(ctx context.Context) (err error) {
+	var (
+		socket  *runc.Socket
+		pidfile = filepath.Join(e.path, fmt.Sprintf("%s.pid", e.id))
+	)
+	if e.stdio.Terminal {
+		if socket, err = runc.NewTempConsoleSocket(); err != nil {
+			return errors.Wrap(err, "failed to create runc console socket")
+		}
+		defer socket.Close()
+	} else if e.stdio.IsNull() {
+		if e.io, err = runc.NewNullIO(); err != nil {
+			return errors.Wrap(err, "creating new NULL IO")
+		}
+	} else {
+		if e.io, err = runc.NewPipeIO(e.parent.IoUID, e.parent.IoGID, withConditionalIO(e.stdio)); err != nil {
+			return errors.Wrap(err, "failed to create runc io pipes")
+		}
+	}
+	opts := &runc.ExecOpts{
+		PidFile: pidfile,
+		IO:      e.io,
+		Detach:  true,
+	}
+	if socket != nil {
+		opts.ConsoleSocket = socket
+	}
+	if err := e.parent.runtime.Exec(ctx, e.parent.id, e.spec, opts); err != nil {
+		close(e.waitBlock)
+		return e.parent.runtimeError(err, "OCI runtime exec failed")
+	}
+	if e.stdio.Stdin != "" {
+		sc, err := fifo.OpenFifo(ctx, e.stdio.Stdin, syscall.O_WRONLY|syscall.O_NONBLOCK, 0)
+		if err != nil {
+			return errors.Wrapf(err, "failed to open stdin fifo %s", e.stdio.Stdin)
+		}
+		e.closers = append(e.closers, sc)
+		e.stdin = sc
+	}
+	var copyWaitGroup sync.WaitGroup
+	if socket != nil {
+		console, err := socket.ReceiveMaster()
+		if err != nil {
+			return errors.Wrap(err, "failed to retrieve console master")
+		}
+		if e.console, err = e.parent.Platform.CopyConsole(ctx, console, e.stdio.Stdin, e.stdio.Stdout, e.stdio.Stderr, &e.wg, &copyWaitGroup); err != nil {
+			return errors.Wrap(err, "failed to start console copy")
+		}
+	} else if !e.stdio.IsNull() {
+		if err := copyPipes(ctx, e.io, e.stdio.Stdin, e.stdio.Stdout, e.stdio.Stderr, &e.wg, &copyWaitGroup); err != nil {
+			return errors.Wrap(err, "failed to start io pipe copy")
+		}
+	}
+	copyWaitGroup.Wait()
+	pid, err := runc.ReadPidFile(opts.PidFile)
+	if err != nil {
+		return errors.Wrap(err, "failed to retrieve OCI runtime exec pid")
+	}
+	e.pid = pid
+	return nil
+}
+
+func (e *execProcess) Status(ctx context.Context) (string, error) {
+	s, err := e.parent.Status(ctx)
+	if err != nil {
+		return "", err
+	}
+	// if the container as a whole is in the pausing/paused state, so are all
+	// other processes inside the container, use container state here
+	switch s {
+	case "paused", "pausing":
+		return s, nil
+	}
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	// if we don't have a pid then the exec process has just been created
+	if e.pid == 0 {
+		return "created", nil
+	}
+	// if we have a pid and it can be signaled, the process is running
+	if err := unix.Kill(e.pid, 0); err == nil {
+		return "running", nil
+	}
+	// else if we have a pid but it can nolonger be signaled, it has stopped
+	return "stopped", nil
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/exec_state.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/exec_state.go
new file mode 100644
index 000000000..ac5467552
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/exec_state.go
@@ -0,0 +1,188 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+
+	"github.com/containerd/console"
+	"github.com/pkg/errors"
+)
+
+type execCreatedState struct {
+	p *execProcess
+}
+
+func (s *execCreatedState) transition(name string) error {
+	switch name {
+	case "running":
+		s.p.State = &execRunningState{p: s.p}
+	case "stopped":
+		s.p.State = &execStoppedState{p: s.p}
+	case "deleted":
+		s.p.State = &deletedState{}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *execCreatedState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.resize(ws)
+}
+
+func (s *execCreatedState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	if err := s.p.start(ctx); err != nil {
+		return err
+	}
+	return s.transition("running")
+}
+
+func (s *execCreatedState) Delete(ctx context.Context) error {
+	if err := s.p.delete(ctx); err != nil {
+		return err
+	}
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	return s.transition("deleted")
+}
+
+func (s *execCreatedState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *execCreatedState) SetExited(status int) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	s.p.setExited(status)
+
+	if err := s.transition("stopped"); err != nil {
+		panic(err)
+	}
+}
+
+type execRunningState struct {
+	p *execProcess
+}
+
+func (s *execRunningState) transition(name string) error {
+	switch name {
+	case "stopped":
+		s.p.State = &execStoppedState{p: s.p}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *execRunningState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.resize(ws)
+}
+
+func (s *execRunningState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot start a running process")
+}
+
+func (s *execRunningState) Delete(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot delete a running process")
+}
+
+func (s *execRunningState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *execRunningState) SetExited(status int) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	s.p.setExited(status)
+
+	if err := s.transition("stopped"); err != nil {
+		panic(err)
+	}
+}
+
+type execStoppedState struct {
+	p *execProcess
+}
+
+func (s *execStoppedState) transition(name string) error {
+	switch name {
+	case "deleted":
+		s.p.State = &deletedState{}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *execStoppedState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot resize a stopped container")
+}
+
+func (s *execStoppedState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot start a stopped process")
+}
+
+func (s *execStoppedState) Delete(ctx context.Context) error {
+	if err := s.p.delete(ctx); err != nil {
+		return err
+	}
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	return s.transition("deleted")
+}
+
+func (s *execStoppedState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *execStoppedState) SetExited(status int) {
+	// no op
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/init.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/init.go
new file mode 100644
index 000000000..5bf5f8344
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/init.go
@@ -0,0 +1,409 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/containerd/console"
+	"github.com/containerd/containerd/log"
+	"github.com/containerd/containerd/mount"
+	"github.com/containerd/containerd/runtime/proc"
+	"github.com/containerd/fifo"
+	runc "github.com/containerd/go-runc"
+	google_protobuf "github.com/gogo/protobuf/types"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/pkg/errors"
+)
+
+// InitPidFile name of the file that contains the init pid
+const InitPidFile = "init.pid"
+
+// Init represents an initial process for a container
+type Init struct {
+	wg sync.WaitGroup
+	initState
+
+	// mu is used to ensure that `Start()` and `Exited()` calls return in
+	// the right order when invoked in separate go routines.
+	// This is the case within the shim implementation as it makes use of
+	// the reaper interface.
+	mu sync.Mutex
+
+	waitBlock chan struct{}
+
+	WorkDir string
+
+	id           string
+	Bundle       string
+	console      console.Console
+	Platform     proc.Platform
+	io           runc.IO
+	runtime      *runc.Runc
+	status       int
+	exited       time.Time
+	pid          int
+	closers      []io.Closer
+	stdin        io.Closer
+	stdio        proc.Stdio
+	Rootfs       string
+	IoUID        int
+	IoGID        int
+	NoPivotRoot  bool
+	NoNewKeyring bool
+}
+
+// NewRunc returns a new runc instance for a process
+func NewRunc(root, path, namespace, runtime, criu string, systemd bool) *runc.Runc {
+	if root == "" {
+		root = RuncRoot
+	}
+	return &runc.Runc{
+		Command:       runtime,
+		Log:           filepath.Join(path, "log.json"),
+		LogFormat:     runc.JSON,
+		PdeathSignal:  syscall.SIGKILL,
+		Root:          filepath.Join(root, namespace),
+		Criu:          criu,
+		SystemdCgroup: systemd,
+	}
+}
+
+// New returns a new process
+func New(id string, runtime *runc.Runc, stdio proc.Stdio) *Init {
+	p := &Init{
+		id:        id,
+		runtime:   runtime,
+		stdio:     stdio,
+		status:    0,
+		waitBlock: make(chan struct{}),
+	}
+	p.initState = &createdState{p: p}
+	return p
+}
+
+// Create the process with the provided config
+func (p *Init) Create(ctx context.Context, r *CreateConfig) error {
+	var (
+		err    error
+		socket *runc.Socket
+	)
+	if r.Terminal {
+		if socket, err = runc.NewTempConsoleSocket(); err != nil {
+			return errors.Wrap(err, "failed to create OCI runtime console socket")
+		}
+		defer socket.Close()
+	} else if hasNoIO(r) {
+		if p.io, err = runc.NewNullIO(); err != nil {
+			return errors.Wrap(err, "creating new NULL IO")
+		}
+	} else {
+		if p.io, err = runc.NewPipeIO(p.IoUID, p.IoGID, withConditionalIO(p.stdio)); err != nil {
+			return errors.Wrap(err, "failed to create OCI runtime io pipes")
+		}
+	}
+	pidFile := filepath.Join(p.Bundle, InitPidFile)
+	if r.Checkpoint != "" {
+		opts := &runc.RestoreOpts{
+			CheckpointOpts: runc.CheckpointOpts{
+				ImagePath:  r.Checkpoint,
+				WorkDir:    p.WorkDir,
+				ParentPath: r.ParentCheckpoint,
+			},
+			PidFile:     pidFile,
+			IO:          p.io,
+			NoPivot:     p.NoPivotRoot,
+			Detach:      true,
+			NoSubreaper: true,
+		}
+		p.initState = &createdCheckpointState{
+			p:    p,
+			opts: opts,
+		}
+		return nil
+	}
+	opts := &runc.CreateOpts{
+		PidFile:      pidFile,
+		IO:           p.io,
+		NoPivot:      p.NoPivotRoot,
+		NoNewKeyring: p.NoNewKeyring,
+	}
+	if socket != nil {
+		opts.ConsoleSocket = socket
+	}
+	if err := p.runtime.Create(ctx, r.ID, r.Bundle, opts); err != nil {
+		return p.runtimeError(err, "OCI runtime create failed")
+	}
+	if r.Stdin != "" {
+		sc, err := fifo.OpenFifo(ctx, r.Stdin, syscall.O_WRONLY|syscall.O_NONBLOCK, 0)
+		if err != nil {
+			return errors.Wrapf(err, "failed to open stdin fifo %s", r.Stdin)
+		}
+		p.stdin = sc
+		p.closers = append(p.closers, sc)
+	}
+	var copyWaitGroup sync.WaitGroup
+	if socket != nil {
+		console, err := socket.ReceiveMaster()
+		if err != nil {
+			return errors.Wrap(err, "failed to retrieve console master")
+		}
+		console, err = p.Platform.CopyConsole(ctx, console, r.Stdin, r.Stdout, r.Stderr, &p.wg, &copyWaitGroup)
+		if err != nil {
+			return errors.Wrap(err, "failed to start console copy")
+		}
+		p.console = console
+	} else if !hasNoIO(r) {
+		if err := copyPipes(ctx, p.io, r.Stdin, r.Stdout, r.Stderr, &p.wg, &copyWaitGroup); err != nil {
+			return errors.Wrap(err, "failed to start io pipe copy")
+		}
+	}
+
+	copyWaitGroup.Wait()
+	pid, err := runc.ReadPidFile(pidFile)
+	if err != nil {
+		return errors.Wrap(err, "failed to retrieve OCI runtime container pid")
+	}
+	p.pid = pid
+	return nil
+}
+
+// Wait for the process to exit
+func (p *Init) Wait() {
+	<-p.waitBlock
+}
+
+// ID of the process
+func (p *Init) ID() string {
+	return p.id
+}
+
+// Pid of the process
+func (p *Init) Pid() int {
+	return p.pid
+}
+
+// ExitStatus of the process
+func (p *Init) ExitStatus() int {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	return p.status
+}
+
+// ExitedAt at time when the process exited
+func (p *Init) ExitedAt() time.Time {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	return p.exited
+}
+
+// Status of the process
+func (p *Init) Status(ctx context.Context) (string, error) {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	c, err := p.runtime.State(ctx, p.id)
+	if err != nil {
+		if strings.Contains(err.Error(), "does not exist") {
+			return "stopped", nil
+		}
+		return "", p.runtimeError(err, "OCI runtime state failed")
+	}
+	return c.Status, nil
+}
+
+func (p *Init) start(context context.Context) error {
+	err := p.runtime.Start(context, p.id)
+	return p.runtimeError(err, "OCI runtime start failed")
+}
+
+func (p *Init) setExited(status int) {
+	p.exited = time.Now()
+	p.status = status
+	p.Platform.ShutdownConsole(context.Background(), p.console)
+	close(p.waitBlock)
+}
+
+func (p *Init) delete(context context.Context) error {
+	p.wg.Wait()
+	err := p.runtime.Delete(context, p.id, nil)
+	// ignore errors if a runtime has already deleted the process
+	// but we still hold metadata and pipes
+	//
+	// this is common during a checkpoint, runc will delete the container state
+	// after a checkpoint and the container will no longer exist within runc
+	if err != nil {
+		if strings.Contains(err.Error(), "does not exist") {
+			err = nil
+		} else {
+			err = p.runtimeError(err, "failed to delete task")
+		}
+	}
+	if p.io != nil {
+		for _, c := range p.closers {
+			c.Close()
+		}
+		p.io.Close()
+	}
+	if err2 := mount.UnmountAll(p.Rootfs, 0); err2 != nil {
+		log.G(context).WithError(err2).Warn("failed to cleanup rootfs mount")
+		if err == nil {
+			err = errors.Wrap(err2, "failed rootfs umount")
+		}
+	}
+	return err
+}
+
+func (p *Init) resize(ws console.WinSize) error {
+	if p.console == nil {
+		return nil
+	}
+	return p.console.Resize(ws)
+}
+
+func (p *Init) pause(context context.Context) error {
+	err := p.runtime.Pause(context, p.id)
+	return p.runtimeError(err, "OCI runtime pause failed")
+}
+
+func (p *Init) resume(context context.Context) error {
+	err := p.runtime.Resume(context, p.id)
+	return p.runtimeError(err, "OCI runtime resume failed")
+}
+
+func (p *Init) kill(context context.Context, signal uint32, all bool) error {
+	err := p.runtime.Kill(context, p.id, int(signal), &runc.KillOpts{
+		All: all,
+	})
+	return checkKillError(err)
+}
+
+// KillAll processes belonging to the init process
+func (p *Init) KillAll(context context.Context) error {
+	err := p.runtime.Kill(context, p.id, int(syscall.SIGKILL), &runc.KillOpts{
+		All: true,
+	})
+	return p.runtimeError(err, "OCI runtime killall failed")
+}
+
+// Stdin of the process
+func (p *Init) Stdin() io.Closer {
+	return p.stdin
+}
+
+// Runtime returns the OCI runtime configured for the init process
+func (p *Init) Runtime() *runc.Runc {
+	return p.runtime
+}
+
+// exec returns a new exec'd process
+func (p *Init) exec(context context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	// process exec request
+	var spec specs.Process
+	if err := json.Unmarshal(r.Spec.Value, &spec); err != nil {
+		return nil, err
+	}
+	spec.Terminal = r.Terminal
+
+	e := &execProcess{
+		id:     r.ID,
+		path:   path,
+		parent: p,
+		spec:   spec,
+		stdio: proc.Stdio{
+			Stdin:    r.Stdin,
+			Stdout:   r.Stdout,
+			Stderr:   r.Stderr,
+			Terminal: r.Terminal,
+		},
+		waitBlock: make(chan struct{}),
+	}
+	e.State = &execCreatedState{p: e}
+	return e, nil
+}
+
+func (p *Init) checkpoint(context context.Context, r *CheckpointConfig) error {
+	var actions []runc.CheckpointAction
+	if !r.Exit {
+		actions = append(actions, runc.LeaveRunning)
+	}
+	work := filepath.Join(p.WorkDir, "criu-work")
+	defer os.RemoveAll(work)
+	if err := p.runtime.Checkpoint(context, p.id, &runc.CheckpointOpts{
+		WorkDir:                  work,
+		ImagePath:                r.Path,
+		AllowOpenTCP:             r.AllowOpenTCP,
+		AllowExternalUnixSockets: r.AllowExternalUnixSockets,
+		AllowTerminal:            r.AllowTerminal,
+		FileLocks:                r.FileLocks,
+		EmptyNamespaces:          r.EmptyNamespaces,
+	}, actions...); err != nil {
+		dumpLog := filepath.Join(p.Bundle, "criu-dump.log")
+		if cerr := copyFile(dumpLog, filepath.Join(work, "dump.log")); cerr != nil {
+			log.G(context).Error(err)
+		}
+		return fmt.Errorf("%s path= %s", criuError(err), dumpLog)
+	}
+	return nil
+}
+
+func (p *Init) update(context context.Context, r *google_protobuf.Any) error {
+	var resources specs.LinuxResources
+	if err := json.Unmarshal(r.Value, &resources); err != nil {
+		return err
+	}
+	return p.runtime.Update(context, p.id, &resources)
+}
+
+// Stdio of the process
+func (p *Init) Stdio() proc.Stdio {
+	return p.stdio
+}
+
+func (p *Init) runtimeError(rErr error, msg string) error {
+	if rErr == nil {
+		return nil
+	}
+
+	rMsg, err := getLastRuntimeError(p.runtime)
+	switch {
+	case err != nil:
+		return errors.Wrapf(rErr, "%s: %s (%s)", msg, "unable to retrieve OCI runtime error", err.Error())
+	case rMsg == "":
+		return errors.Wrap(rErr, msg)
+	default:
+		return errors.Errorf("%s: %s", msg, rMsg)
+	}
+}
+
+func withConditionalIO(c proc.Stdio) runc.IOOpt {
+	return func(o *runc.IOOption) {
+		o.OpenStdin = c.Stdin != ""
+		o.OpenStdout = c.Stdout != ""
+		o.OpenStderr = c.Stderr != ""
+	}
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/init_state.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/init_state.go
new file mode 100644
index 000000000..6a6b448d3
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/init_state.go
@@ -0,0 +1,545 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+	"sync"
+	"syscall"
+
+	"github.com/containerd/console"
+	"github.com/containerd/containerd/errdefs"
+	"github.com/containerd/containerd/runtime/proc"
+	"github.com/containerd/fifo"
+	runc "github.com/containerd/go-runc"
+	google_protobuf "github.com/gogo/protobuf/types"
+	"github.com/pkg/errors"
+)
+
+type initState interface {
+	proc.State
+
+	Pause(context.Context) error
+	Resume(context.Context) error
+	Update(context.Context, *google_protobuf.Any) error
+	Checkpoint(context.Context, *CheckpointConfig) error
+	Exec(context.Context, string, *ExecConfig) (proc.Process, error)
+}
+
+type createdState struct {
+	p *Init
+}
+
+func (s *createdState) transition(name string) error {
+	switch name {
+	case "running":
+		s.p.initState = &runningState{p: s.p}
+	case "stopped":
+		s.p.initState = &stoppedState{p: s.p}
+	case "deleted":
+		s.p.initState = &deletedState{}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *createdState) Pause(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot pause task in created state")
+}
+
+func (s *createdState) Resume(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot resume task in created state")
+}
+
+func (s *createdState) Update(context context.Context, r *google_protobuf.Any) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.update(context, r)
+}
+
+func (s *createdState) Checkpoint(context context.Context, r *CheckpointConfig) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot checkpoint a task in created state")
+}
+
+func (s *createdState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.resize(ws)
+}
+
+func (s *createdState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	if err := s.p.start(ctx); err != nil {
+		return err
+	}
+	return s.transition("running")
+}
+
+func (s *createdState) Delete(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	if err := s.p.delete(ctx); err != nil {
+		return err
+	}
+	return s.transition("deleted")
+}
+
+func (s *createdState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *createdState) SetExited(status int) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	s.p.setExited(status)
+
+	if err := s.transition("stopped"); err != nil {
+		panic(err)
+	}
+}
+
+func (s *createdState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	return s.p.exec(ctx, path, r)
+}
+
+type createdCheckpointState struct {
+	p    *Init
+	opts *runc.RestoreOpts
+}
+
+func (s *createdCheckpointState) transition(name string) error {
+	switch name {
+	case "running":
+		s.p.initState = &runningState{p: s.p}
+	case "stopped":
+		s.p.initState = &stoppedState{p: s.p}
+	case "deleted":
+		s.p.initState = &deletedState{}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *createdCheckpointState) Pause(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot pause task in created state")
+}
+
+func (s *createdCheckpointState) Resume(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot resume task in created state")
+}
+
+func (s *createdCheckpointState) Update(context context.Context, r *google_protobuf.Any) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.update(context, r)
+}
+
+func (s *createdCheckpointState) Checkpoint(context context.Context, r *CheckpointConfig) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot checkpoint a task in created state")
+}
+
+func (s *createdCheckpointState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.resize(ws)
+}
+
+func (s *createdCheckpointState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	p := s.p
+	sio := p.stdio
+
+	var (
+		err    error
+		socket *runc.Socket
+	)
+	if sio.Terminal {
+		if socket, err = runc.NewTempConsoleSocket(); err != nil {
+			return errors.Wrap(err, "failed to create OCI runtime console socket")
+		}
+		defer socket.Close()
+		s.opts.ConsoleSocket = socket
+	}
+
+	if _, err := s.p.runtime.Restore(ctx, p.id, p.Bundle, s.opts); err != nil {
+		return p.runtimeError(err, "OCI runtime restore failed")
+	}
+	if sio.Stdin != "" {
+		sc, err := fifo.OpenFifo(ctx, sio.Stdin, syscall.O_WRONLY|syscall.O_NONBLOCK, 0)
+		if err != nil {
+			return errors.Wrapf(err, "failed to open stdin fifo %s", sio.Stdin)
+		}
+		p.stdin = sc
+		p.closers = append(p.closers, sc)
+	}
+	var copyWaitGroup sync.WaitGroup
+	if socket != nil {
+		console, err := socket.ReceiveMaster()
+		if err != nil {
+			return errors.Wrap(err, "failed to retrieve console master")
+		}
+		console, err = p.Platform.CopyConsole(ctx, console, sio.Stdin, sio.Stdout, sio.Stderr, &p.wg, &copyWaitGroup)
+		if err != nil {
+			return errors.Wrap(err, "failed to start console copy")
+		}
+		p.console = console
+	} else if !sio.IsNull() {
+		if err := copyPipes(ctx, p.io, sio.Stdin, sio.Stdout, sio.Stderr, &p.wg, &copyWaitGroup); err != nil {
+			return errors.Wrap(err, "failed to start io pipe copy")
+		}
+	}
+
+	copyWaitGroup.Wait()
+	pid, err := runc.ReadPidFile(s.opts.PidFile)
+	if err != nil {
+		return errors.Wrap(err, "failed to retrieve OCI runtime container pid")
+	}
+	p.pid = pid
+	return s.transition("running")
+}
+
+func (s *createdCheckpointState) Delete(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	if err := s.p.delete(ctx); err != nil {
+		return err
+	}
+	return s.transition("deleted")
+}
+
+func (s *createdCheckpointState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *createdCheckpointState) SetExited(status int) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	s.p.setExited(status)
+
+	if err := s.transition("stopped"); err != nil {
+		panic(err)
+	}
+}
+
+func (s *createdCheckpointState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return nil, errors.Errorf("cannot exec in a created state")
+}
+
+type runningState struct {
+	p *Init
+}
+
+func (s *runningState) transition(name string) error {
+	switch name {
+	case "stopped":
+		s.p.initState = &stoppedState{p: s.p}
+	case "paused":
+		s.p.initState = &pausedState{p: s.p}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *runningState) Pause(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	if err := s.p.pause(ctx); err != nil {
+		return err
+	}
+	return s.transition("paused")
+}
+
+func (s *runningState) Resume(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot resume a running process")
+}
+
+func (s *runningState) Update(context context.Context, r *google_protobuf.Any) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.update(context, r)
+}
+
+func (s *runningState) Checkpoint(ctx context.Context, r *CheckpointConfig) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.checkpoint(ctx, r)
+}
+
+func (s *runningState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.resize(ws)
+}
+
+func (s *runningState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot start a running process")
+}
+
+func (s *runningState) Delete(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot delete a running process")
+}
+
+func (s *runningState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *runningState) SetExited(status int) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	s.p.setExited(status)
+
+	if err := s.transition("stopped"); err != nil {
+		panic(err)
+	}
+}
+
+func (s *runningState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	return s.p.exec(ctx, path, r)
+}
+
+type pausedState struct {
+	p *Init
+}
+
+func (s *pausedState) transition(name string) error {
+	switch name {
+	case "running":
+		s.p.initState = &runningState{p: s.p}
+	case "stopped":
+		s.p.initState = &stoppedState{p: s.p}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *pausedState) Pause(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot pause a paused container")
+}
+
+func (s *pausedState) Resume(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	if err := s.p.resume(ctx); err != nil {
+		return err
+	}
+	return s.transition("running")
+}
+
+func (s *pausedState) Update(context context.Context, r *google_protobuf.Any) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.update(context, r)
+}
+
+func (s *pausedState) Checkpoint(ctx context.Context, r *CheckpointConfig) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.checkpoint(ctx, r)
+}
+
+func (s *pausedState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.resize(ws)
+}
+
+func (s *pausedState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot start a paused process")
+}
+
+func (s *pausedState) Delete(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot delete a paused process")
+}
+
+func (s *pausedState) Kill(ctx context.Context, sig uint32, all bool) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return s.p.kill(ctx, sig, all)
+}
+
+func (s *pausedState) SetExited(status int) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	s.p.setExited(status)
+
+	if err := s.transition("stopped"); err != nil {
+		panic(err)
+	}
+}
+
+func (s *pausedState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return nil, errors.Errorf("cannot exec in a paused state")
+}
+
+type stoppedState struct {
+	p *Init
+}
+
+func (s *stoppedState) transition(name string) error {
+	switch name {
+	case "deleted":
+		s.p.initState = &deletedState{}
+	default:
+		return errors.Errorf("invalid state transition %q to %q", stateName(s), name)
+	}
+	return nil
+}
+
+func (s *stoppedState) Pause(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot pause a stopped container")
+}
+
+func (s *stoppedState) Resume(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot resume a stopped container")
+}
+
+func (s *stoppedState) Update(context context.Context, r *google_protobuf.Any) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot update a stopped container")
+}
+
+func (s *stoppedState) Checkpoint(ctx context.Context, r *CheckpointConfig) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot checkpoint a stopped container")
+}
+
+func (s *stoppedState) Resize(ws console.WinSize) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot resize a stopped container")
+}
+
+func (s *stoppedState) Start(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return errors.Errorf("cannot start a stopped process")
+}
+
+func (s *stoppedState) Delete(ctx context.Context) error {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+	if err := s.p.delete(ctx); err != nil {
+		return err
+	}
+	return s.transition("deleted")
+}
+
+func (s *stoppedState) Kill(ctx context.Context, sig uint32, all bool) error {
+	return errdefs.ToGRPCf(errdefs.ErrNotFound, "process %s not found", s.p.id)
+}
+
+func (s *stoppedState) SetExited(status int) {
+	// no op
+}
+
+func (s *stoppedState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
+	s.p.mu.Lock()
+	defer s.p.mu.Unlock()
+
+	return nil, errors.Errorf("cannot exec in a stopped state")
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/io.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/io.go
new file mode 100644
index 000000000..71f6ee1bb
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/io.go
@@ -0,0 +1,145 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"sync"
+	"syscall"
+
+	"github.com/containerd/fifo"
+	runc "github.com/containerd/go-runc"
+)
+
+var bufPool = sync.Pool{
+	New: func() interface{} {
+		buffer := make([]byte, 32<<10)
+		return &buffer
+	},
+}
+
+func copyPipes(ctx context.Context, rio runc.IO, stdin, stdout, stderr string, wg, cwg *sync.WaitGroup) error {
+	var sameFile io.WriteCloser
+	for _, i := range []struct {
+		name string
+		dest func(wc io.WriteCloser, rc io.Closer)
+	}{
+		{
+			name: stdout,
+			dest: func(wc io.WriteCloser, rc io.Closer) {
+				wg.Add(1)
+				cwg.Add(1)
+				go func() {
+					cwg.Done()
+					p := bufPool.Get().(*[]byte)
+					defer bufPool.Put(p)
+					io.CopyBuffer(wc, rio.Stdout(), *p)
+					wg.Done()
+					wc.Close()
+					if rc != nil {
+						rc.Close()
+					}
+				}()
+			},
+		}, {
+			name: stderr,
+			dest: func(wc io.WriteCloser, rc io.Closer) {
+				wg.Add(1)
+				cwg.Add(1)
+				go func() {
+					cwg.Done()
+					p := bufPool.Get().(*[]byte)
+					defer bufPool.Put(p)
+					io.CopyBuffer(wc, rio.Stderr(), *p)
+					wg.Done()
+					wc.Close()
+					if rc != nil {
+						rc.Close()
+					}
+				}()
+			},
+		},
+	} {
+		ok, err := isFifo(i.name)
+		if err != nil {
+			return err
+		}
+		var (
+			fw io.WriteCloser
+			fr io.Closer
+		)
+		if ok {
+			if fw, err = fifo.OpenFifo(ctx, i.name, syscall.O_WRONLY, 0); err != nil {
+				return fmt.Errorf("containerd-shim: opening %s failed: %s", i.name, err)
+			}
+			if fr, err = fifo.OpenFifo(ctx, i.name, syscall.O_RDONLY, 0); err != nil {
+				return fmt.Errorf("containerd-shim: opening %s failed: %s", i.name, err)
+			}
+		} else {
+			if sameFile != nil {
+				i.dest(sameFile, nil)
+				continue
+			}
+			if fw, err = os.OpenFile(i.name, syscall.O_WRONLY|syscall.O_APPEND, 0); err != nil {
+				return fmt.Errorf("containerd-shim: opening %s failed: %s", i.name, err)
+			}
+			if stdout == stderr {
+				sameFile = fw
+			}
+		}
+		i.dest(fw, fr)
+	}
+	if stdin == "" {
+		return nil
+	}
+	f, err := fifo.OpenFifo(ctx, stdin, syscall.O_RDONLY|syscall.O_NONBLOCK, 0)
+	if err != nil {
+		return fmt.Errorf("containerd-shim: opening %s failed: %s", stdin, err)
+	}
+	cwg.Add(1)
+	go func() {
+		cwg.Done()
+		p := bufPool.Get().(*[]byte)
+		defer bufPool.Put(p)
+
+		io.CopyBuffer(rio.Stdin(), f, *p)
+		rio.Stdin().Close()
+		f.Close()
+	}()
+	return nil
+}
+
+// isFifo checks if a file is a fifo
+// if the file does not exist then it returns false
+func isFifo(path string) (bool, error) {
+	stat, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	if stat.Mode()&os.ModeNamedPipe == os.ModeNamedPipe {
+		return true, nil
+	}
+	return false, nil
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/process.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/process.go
new file mode 100644
index 000000000..53252ec60
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/process.go
@@ -0,0 +1,42 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"github.com/pkg/errors"
+)
+
+// RuncRoot is the path to the root runc state directory
+const RuncRoot = "/run/containerd/runc"
+
+func stateName(v interface{}) string {
+	switch v.(type) {
+	case *runningState, *execRunningState:
+		return "running"
+	case *createdState, *execCreatedState, *createdCheckpointState:
+		return "created"
+	case *pausedState:
+		return "paused"
+	case *deletedState:
+		return "deleted"
+	case *stoppedState:
+		return "stopped"
+	}
+	panic(errors.Errorf("invalid state %v", v))
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/types.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/types.go
new file mode 100644
index 000000000..2bea98dc8
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/types.go
@@ -0,0 +1,65 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	google_protobuf "github.com/gogo/protobuf/types"
+)
+
+// Mount holds filesystem mount configuration
+type Mount struct {
+	Type    string
+	Source  string
+	Target  string
+	Options []string
+}
+
+// CreateConfig hold task creation configuration
+type CreateConfig struct {
+	ID               string
+	Bundle           string
+	Runtime          string
+	Rootfs           []Mount
+	Terminal         bool
+	Stdin            string
+	Stdout           string
+	Stderr           string
+	Checkpoint       string
+	ParentCheckpoint string
+	Options          *google_protobuf.Any
+}
+
+// ExecConfig holds exec creation configuration
+type ExecConfig struct {
+	ID       string
+	Terminal bool
+	Stdin    string
+	Stdout   string
+	Stderr   string
+	Spec     *google_protobuf.Any
+}
+
+// CheckpointConfig holds task checkpoint configuration
+type CheckpointConfig struct {
+	Path                     string
+	Exit                     bool
+	AllowOpenTCP             bool
+	AllowExternalUnixSockets bool
+	AllowTerminal            bool
+	FileLocks                bool
+	EmptyNamespaces          []string
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/utils.go b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/utils.go
new file mode 100644
index 000000000..3d0334c45
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/linux/proc/utils.go
@@ -0,0 +1,104 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package proc
+
+import (
+	"encoding/json"
+	"io"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/containerd/containerd/errdefs"
+	runc "github.com/containerd/go-runc"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+// TODO(mlaventure): move to runc package?
+func getLastRuntimeError(r *runc.Runc) (string, error) {
+	if r.Log == "" {
+		return "", nil
+	}
+
+	f, err := os.OpenFile(r.Log, os.O_RDONLY, 0400)
+	if err != nil {
+		return "", err
+	}
+
+	var (
+		errMsg string
+		log    struct {
+			Level string
+			Msg   string
+			Time  time.Time
+		}
+	)
+
+	dec := json.NewDecoder(f)
+	for err = nil; err == nil; {
+		if err = dec.Decode(&log); err != nil && err != io.EOF {
+			return "", err
+		}
+		if log.Level == "error" {
+			errMsg = strings.TrimSpace(log.Msg)
+		}
+	}
+
+	return errMsg, nil
+}
+
+// criuError returns only the first line of the error message from criu
+// it tries to add an invalid dump log location when returning the message
+func criuError(err error) string {
+	parts := strings.Split(err.Error(), "\n")
+	return parts[0]
+}
+
+func copyFile(to, from string) error {
+	ff, err := os.Open(from)
+	if err != nil {
+		return err
+	}
+	defer ff.Close()
+	tt, err := os.Create(to)
+	if err != nil {
+		return err
+	}
+	defer tt.Close()
+
+	p := bufPool.Get().(*[]byte)
+	defer bufPool.Put(p)
+	_, err = io.CopyBuffer(tt, ff, *p)
+	return err
+}
+
+func checkKillError(err error) error {
+	if err == nil {
+		return nil
+	}
+	if strings.Contains(err.Error(), "os: process already finished") || err == unix.ESRCH {
+		return errors.Wrapf(errdefs.ErrNotFound, "process already finished")
+	}
+	return errors.Wrapf(err, "unknown error after kill")
+}
+
+func hasNoIO(r *CreateConfig) bool {
+	return r.Stdin == "" && r.Stdout == "" && r.Stderr == ""
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/local.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/local.go
new file mode 100644
index 000000000..97f652c77
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/local.go
@@ -0,0 +1,107 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package shim
+
+import (
+	"context"
+	"path/filepath"
+
+	"github.com/containerd/containerd/mount"
+	shimapi "github.com/containerd/containerd/runtime/v1/shim/v1"
+	ptypes "github.com/gogo/protobuf/types"
+)
+
+// NewLocal returns a shim client implementation for issue commands to a shim
+func NewLocal(s *Service) shimapi.ShimService {
+	return &local{
+		s: s,
+	}
+}
+
+type local struct {
+	s *Service
+}
+
+func (c *local) Create(ctx context.Context, in *shimapi.CreateTaskRequest) (*shimapi.CreateTaskResponse, error) {
+	return c.s.Create(ctx, in)
+}
+
+func (c *local) Start(ctx context.Context, in *shimapi.StartRequest) (*shimapi.StartResponse, error) {
+	return c.s.Start(ctx, in)
+}
+
+func (c *local) Delete(ctx context.Context, in *ptypes.Empty) (*shimapi.DeleteResponse, error) {
+	// make sure we unmount the containers rootfs for this local
+	if err := mount.Unmount(filepath.Join(c.s.config.Path, "rootfs"), 0); err != nil {
+		return nil, err
+	}
+	return c.s.Delete(ctx, in)
+}
+
+func (c *local) DeleteProcess(ctx context.Context, in *shimapi.DeleteProcessRequest) (*shimapi.DeleteResponse, error) {
+	return c.s.DeleteProcess(ctx, in)
+}
+
+func (c *local) Exec(ctx context.Context, in *shimapi.ExecProcessRequest) (*ptypes.Empty, error) {
+	return c.s.Exec(ctx, in)
+}
+
+func (c *local) ResizePty(ctx context.Context, in *shimapi.ResizePtyRequest) (*ptypes.Empty, error) {
+	return c.s.ResizePty(ctx, in)
+}
+
+func (c *local) State(ctx context.Context, in *shimapi.StateRequest) (*shimapi.StateResponse, error) {
+	return c.s.State(ctx, in)
+}
+
+func (c *local) Pause(ctx context.Context, in *ptypes.Empty) (*ptypes.Empty, error) {
+	return c.s.Pause(ctx, in)
+}
+
+func (c *local) Resume(ctx context.Context, in *ptypes.Empty) (*ptypes.Empty, error) {
+	return c.s.Resume(ctx, in)
+}
+
+func (c *local) Kill(ctx context.Context, in *shimapi.KillRequest) (*ptypes.Empty, error) {
+	return c.s.Kill(ctx, in)
+}
+
+func (c *local) ListPids(ctx context.Context, in *shimapi.ListPidsRequest) (*shimapi.ListPidsResponse, error) {
+	return c.s.ListPids(ctx, in)
+}
+
+func (c *local) CloseIO(ctx context.Context, in *shimapi.CloseIORequest) (*ptypes.Empty, error) {
+	return c.s.CloseIO(ctx, in)
+}
+
+func (c *local) Checkpoint(ctx context.Context, in *shimapi.CheckpointTaskRequest) (*ptypes.Empty, error) {
+	return c.s.Checkpoint(ctx, in)
+}
+
+func (c *local) ShimInfo(ctx context.Context, in *ptypes.Empty) (*shimapi.ShimInfoResponse, error) {
+	return c.s.ShimInfo(ctx, in)
+}
+
+func (c *local) Update(ctx context.Context, in *shimapi.UpdateTaskRequest) (*ptypes.Empty, error) {
+	return c.s.Update(ctx, in)
+}
+
+func (c *local) Wait(ctx context.Context, in *shimapi.WaitRequest) (*shimapi.WaitResponse, error) {
+	return c.s.Wait(ctx, in)
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/reaper.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/reaper.go
new file mode 100644
index 000000000..2937f1a9e
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/reaper.go
@@ -0,0 +1,110 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package shim
+
+import (
+	"os/exec"
+	"sync"
+	"time"
+
+	"github.com/containerd/containerd/sys"
+	runc "github.com/containerd/go-runc"
+	"github.com/pkg/errors"
+)
+
+// ErrNoSuchProcess is returned when the process no longer exists
+var ErrNoSuchProcess = errors.New("no such process")
+
+const bufferSize = 32
+
+// Reap should be called when the process receives an SIGCHLD.  Reap will reap
+// all exited processes and close their wait channels
+func Reap() error {
+	now := time.Now()
+	exits, err := sys.Reap(false)
+	Default.Lock()
+	for c := range Default.subscribers {
+		for _, e := range exits {
+			c <- runc.Exit{
+				Timestamp: now,
+				Pid:       e.Pid,
+				Status:    e.Status,
+			}
+		}
+
+	}
+	Default.Unlock()
+	return err
+}
+
+// Default is the default monitor initialized for the package
+var Default = &Monitor{
+	subscribers: make(map[chan runc.Exit]struct{}),
+}
+
+// Monitor monitors the underlying system for process status changes
+type Monitor struct {
+	sync.Mutex
+
+	subscribers map[chan runc.Exit]struct{}
+}
+
+// Start starts the command a registers the process with the reaper
+func (m *Monitor) Start(c *exec.Cmd) (chan runc.Exit, error) {
+	ec := m.Subscribe()
+	if err := c.Start(); err != nil {
+		m.Unsubscribe(ec)
+		return nil, err
+	}
+	return ec, nil
+}
+
+// Wait blocks until a process is signal as dead.
+// User should rely on the value of the exit status to determine if the
+// command was successful or not.
+func (m *Monitor) Wait(c *exec.Cmd, ec chan runc.Exit) (int, error) {
+	for e := range ec {
+		if e.Pid == c.Process.Pid {
+			// make sure we flush all IO
+			c.Wait()
+			m.Unsubscribe(ec)
+			return e.Status, nil
+		}
+	}
+	// return no such process if the ec channel is closed and no more exit
+	// events will be sent
+	return -1, ErrNoSuchProcess
+}
+
+// Subscribe to process exit changes
+func (m *Monitor) Subscribe() chan runc.Exit {
+	c := make(chan runc.Exit, bufferSize)
+	m.Lock()
+	m.subscribers[c] = struct{}{}
+	m.Unlock()
+	return c
+}
+
+// Unsubscribe to process exit changes
+func (m *Monitor) Unsubscribe(c chan runc.Exit) {
+	m.Lock()
+	delete(m.subscribers, c)
+	close(c)
+	m.Unlock()
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/service.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/service.go
new file mode 100644
index 000000000..d76d5803d
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/service.go
@@ -0,0 +1,647 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package shim
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"sync"
+
+	"github.com/containerd/console"
+	eventstypes "github.com/containerd/containerd/api/events"
+	"github.com/containerd/containerd/api/types/task"
+	"github.com/containerd/containerd/errdefs"
+	"github.com/containerd/containerd/events"
+	"github.com/containerd/containerd/log"
+	"github.com/containerd/containerd/mount"
+	"github.com/containerd/containerd/namespaces"
+	"github.com/containerd/containerd/runtime"
+	"github.com/containerd/containerd/runtime/linux/runctypes"
+	rproc "github.com/containerd/containerd/runtime/proc"
+	"github.com/containerd/containerd/runtime/v1/linux/proc"
+	shimapi "github.com/containerd/containerd/runtime/v1/shim/v1"
+	runc "github.com/containerd/go-runc"
+	"github.com/containerd/typeurl"
+	ptypes "github.com/gogo/protobuf/types"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+var (
+	empty   = &ptypes.Empty{}
+	bufPool = sync.Pool{
+		New: func() interface{} {
+			buffer := make([]byte, 32<<10)
+			return &buffer
+		},
+	}
+)
+
+// Config contains shim specific configuration
+type Config struct {
+	Path          string
+	Namespace     string
+	WorkDir       string
+	Criu          string
+	RuntimeRoot   string
+	SystemdCgroup bool
+}
+
+// NewService returns a new shim service that can be used via GRPC
+func NewService(config Config, publisher events.Publisher) (*Service, error) {
+	if config.Namespace == "" {
+		return nil, fmt.Errorf("shim namespace cannot be empty")
+	}
+	ctx := namespaces.WithNamespace(context.Background(), config.Namespace)
+	ctx = log.WithLogger(ctx, logrus.WithFields(logrus.Fields{
+		"namespace": config.Namespace,
+		"path":      config.Path,
+		"pid":       os.Getpid(),
+	}))
+	s := &Service{
+		config:    config,
+		context:   ctx,
+		processes: make(map[string]rproc.Process),
+		events:    make(chan interface{}, 128),
+		ec:        Default.Subscribe(),
+	}
+	go s.processExits()
+	if err := s.initPlatform(); err != nil {
+		return nil, errors.Wrap(err, "failed to initialized platform behavior")
+	}
+	go s.forward(publisher)
+	return s, nil
+}
+
+// Service is the shim implementation of a remote shim over GRPC
+type Service struct {
+	mu sync.Mutex
+
+	config    Config
+	context   context.Context
+	processes map[string]rproc.Process
+	events    chan interface{}
+	platform  rproc.Platform
+	ec        chan runc.Exit
+
+	// Filled by Create()
+	id     string
+	bundle string
+}
+
+// Create a new initial process and container with the underlying OCI runtime
+func (s *Service) Create(ctx context.Context, r *shimapi.CreateTaskRequest) (_ *shimapi.CreateTaskResponse, err error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	var mounts []proc.Mount
+	for _, m := range r.Rootfs {
+		mounts = append(mounts, proc.Mount{
+			Type:    m.Type,
+			Source:  m.Source,
+			Target:  m.Target,
+			Options: m.Options,
+		})
+	}
+
+	config := &proc.CreateConfig{
+		ID:               r.ID,
+		Bundle:           r.Bundle,
+		Runtime:          r.Runtime,
+		Rootfs:           mounts,
+		Terminal:         r.Terminal,
+		Stdin:            r.Stdin,
+		Stdout:           r.Stdout,
+		Stderr:           r.Stderr,
+		Checkpoint:       r.Checkpoint,
+		ParentCheckpoint: r.ParentCheckpoint,
+		Options:          r.Options,
+	}
+	rootfs := filepath.Join(r.Bundle, "rootfs")
+	defer func() {
+		if err != nil {
+			if err2 := mount.UnmountAll(rootfs, 0); err2 != nil {
+				log.G(ctx).WithError(err2).Warn("Failed to cleanup rootfs mount")
+			}
+		}
+	}()
+	for _, rm := range mounts {
+		m := &mount.Mount{
+			Type:    rm.Type,
+			Source:  rm.Source,
+			Options: rm.Options,
+		}
+		if err := m.Mount(rootfs); err != nil {
+			return nil, errors.Wrapf(err, "failed to mount rootfs component %v", m)
+		}
+	}
+	process, err := newInit(
+		ctx,
+		s.config.Path,
+		s.config.WorkDir,
+		s.config.RuntimeRoot,
+		s.config.Namespace,
+		s.config.Criu,
+		s.config.SystemdCgroup,
+		s.platform,
+		config,
+	)
+	if err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	if err := process.Create(ctx, config); err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	// save the main task id and bundle to the shim for additional requests
+	s.id = r.ID
+	s.bundle = r.Bundle
+	pid := process.Pid()
+	s.processes[r.ID] = process
+	return &shimapi.CreateTaskResponse{
+		Pid: uint32(pid),
+	}, nil
+}
+
+// Start a process
+func (s *Service) Start(ctx context.Context, r *shimapi.StartRequest) (*shimapi.StartResponse, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[r.ID]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrNotFound, "process %s", r.ID)
+	}
+	if err := p.Start(ctx); err != nil {
+		return nil, err
+	}
+	return &shimapi.StartResponse{
+		ID:  p.ID(),
+		Pid: uint32(p.Pid()),
+	}, nil
+}
+
+// Delete the initial process and container
+func (s *Service) Delete(ctx context.Context, r *ptypes.Empty) (*shimapi.DeleteResponse, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+	if err := p.Delete(ctx); err != nil {
+		return nil, err
+	}
+	delete(s.processes, s.id)
+	s.platform.Close()
+	return &shimapi.DeleteResponse{
+		ExitStatus: uint32(p.ExitStatus()),
+		ExitedAt:   p.ExitedAt(),
+		Pid:        uint32(p.Pid()),
+	}, nil
+}
+
+// DeleteProcess deletes an exec'd process
+func (s *Service) DeleteProcess(ctx context.Context, r *shimapi.DeleteProcessRequest) (*shimapi.DeleteResponse, error) {
+	if r.ID == s.id {
+		return nil, status.Errorf(codes.InvalidArgument, "cannot delete init process with DeleteProcess")
+	}
+	s.mu.Lock()
+	p := s.processes[r.ID]
+	s.mu.Unlock()
+	if p == nil {
+		return nil, errors.Wrapf(errdefs.ErrNotFound, "process %s", r.ID)
+	}
+	if err := p.Delete(ctx); err != nil {
+		return nil, err
+	}
+	s.mu.Lock()
+	delete(s.processes, r.ID)
+	s.mu.Unlock()
+	return &shimapi.DeleteResponse{
+		ExitStatus: uint32(p.ExitStatus()),
+		ExitedAt:   p.ExitedAt(),
+		Pid:        uint32(p.Pid()),
+	}, nil
+}
+
+// Exec an additional process inside the container
+func (s *Service) Exec(ctx context.Context, r *shimapi.ExecProcessRequest) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if p := s.processes[r.ID]; p != nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrAlreadyExists, "id %s", r.ID)
+	}
+
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+
+	process, err := p.(*proc.Init).Exec(ctx, s.config.Path, &proc.ExecConfig{
+		ID:       r.ID,
+		Terminal: r.Terminal,
+		Stdin:    r.Stdin,
+		Stdout:   r.Stdout,
+		Stderr:   r.Stderr,
+		Spec:     r.Spec,
+	})
+	if err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	s.processes[r.ID] = process
+	return empty, nil
+}
+
+// ResizePty of a process
+func (s *Service) ResizePty(ctx context.Context, r *shimapi.ResizePtyRequest) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if r.ID == "" {
+		return nil, errdefs.ToGRPCf(errdefs.ErrInvalidArgument, "id not provided")
+	}
+	ws := console.WinSize{
+		Width:  uint16(r.Width),
+		Height: uint16(r.Height),
+	}
+	p := s.processes[r.ID]
+	if p == nil {
+		return nil, errors.Errorf("process does not exist %s", r.ID)
+	}
+	if err := p.Resize(ws); err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	return empty, nil
+}
+
+// State returns runtime state information for a process
+func (s *Service) State(ctx context.Context, r *shimapi.StateRequest) (*shimapi.StateResponse, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[r.ID]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrNotFound, "process id %s", r.ID)
+	}
+	st, err := p.Status(ctx)
+	if err != nil {
+		return nil, err
+	}
+	status := task.StatusUnknown
+	switch st {
+	case "created":
+		status = task.StatusCreated
+	case "running":
+		status = task.StatusRunning
+	case "stopped":
+		status = task.StatusStopped
+	case "paused":
+		status = task.StatusPaused
+	case "pausing":
+		status = task.StatusPausing
+	}
+	sio := p.Stdio()
+	return &shimapi.StateResponse{
+		ID:         p.ID(),
+		Bundle:     s.bundle,
+		Pid:        uint32(p.Pid()),
+		Status:     status,
+		Stdin:      sio.Stdin,
+		Stdout:     sio.Stdout,
+		Stderr:     sio.Stderr,
+		Terminal:   sio.Terminal,
+		ExitStatus: uint32(p.ExitStatus()),
+		ExitedAt:   p.ExitedAt(),
+	}, nil
+}
+
+// Pause the container
+func (s *Service) Pause(ctx context.Context, r *ptypes.Empty) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+	if err := p.(*proc.Init).Pause(ctx); err != nil {
+		return nil, err
+	}
+	return empty, nil
+}
+
+// Resume the container
+func (s *Service) Resume(ctx context.Context, r *ptypes.Empty) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+	if err := p.(*proc.Init).Resume(ctx); err != nil {
+		return nil, err
+	}
+	return empty, nil
+}
+
+// Kill a process with the provided signal
+func (s *Service) Kill(ctx context.Context, r *shimapi.KillRequest) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if r.ID == "" {
+		p := s.processes[s.id]
+		if p == nil {
+			return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+		}
+		if err := p.Kill(ctx, r.Signal, r.All); err != nil {
+			return nil, errdefs.ToGRPC(err)
+		}
+		return empty, nil
+	}
+
+	p := s.processes[r.ID]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrNotFound, "process id %s not found", r.ID)
+	}
+	if err := p.Kill(ctx, r.Signal, r.All); err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	return empty, nil
+}
+
+// ListPids returns all pids inside the container
+func (s *Service) ListPids(ctx context.Context, r *shimapi.ListPidsRequest) (*shimapi.ListPidsResponse, error) {
+	pids, err := s.getContainerPids(ctx, r.ID)
+	if err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	var processes []*task.ProcessInfo
+	for _, pid := range pids {
+		pInfo := task.ProcessInfo{
+			Pid: pid,
+		}
+		for _, p := range s.processes {
+			if p.Pid() == int(pid) {
+				d := &runctypes.ProcessDetails{
+					ExecID: p.ID(),
+				}
+				a, err := typeurl.MarshalAny(d)
+				if err != nil {
+					return nil, errors.Wrapf(err, "failed to marshal process %d info", pid)
+				}
+				pInfo.Info = a
+				break
+			}
+		}
+		processes = append(processes, &pInfo)
+	}
+	return &shimapi.ListPidsResponse{
+		Processes: processes,
+	}, nil
+}
+
+// CloseIO of a process
+func (s *Service) CloseIO(ctx context.Context, r *shimapi.CloseIORequest) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[r.ID]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrNotFound, "process does not exist %s", r.ID)
+	}
+	if stdin := p.Stdin(); stdin != nil {
+		if err := stdin.Close(); err != nil {
+			return nil, errors.Wrap(err, "close stdin")
+		}
+	}
+	return empty, nil
+}
+
+// Checkpoint the container
+func (s *Service) Checkpoint(ctx context.Context, r *shimapi.CheckpointTaskRequest) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+	var options runctypes.CheckpointOptions
+	if r.Options != nil {
+		v, err := typeurl.UnmarshalAny(r.Options)
+		if err != nil {
+			return nil, err
+		}
+		options = *v.(*runctypes.CheckpointOptions)
+	}
+	if err := p.(*proc.Init).Checkpoint(ctx, &proc.CheckpointConfig{
+		Path:                     r.Path,
+		Exit:                     options.Exit,
+		AllowOpenTCP:             options.OpenTcp,
+		AllowExternalUnixSockets: options.ExternalUnixSockets,
+		AllowTerminal:            options.Terminal,
+		FileLocks:                options.FileLocks,
+		EmptyNamespaces:          options.EmptyNamespaces,
+	}); err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	return empty, nil
+}
+
+// ShimInfo returns shim information such as the shim's pid
+func (s *Service) ShimInfo(ctx context.Context, r *ptypes.Empty) (*shimapi.ShimInfoResponse, error) {
+	return &shimapi.ShimInfoResponse{
+		ShimPid: uint32(os.Getpid()),
+	}, nil
+}
+
+// Update a running container
+func (s *Service) Update(ctx context.Context, r *shimapi.UpdateTaskRequest) (*ptypes.Empty, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+	if err := p.(*proc.Init).Update(ctx, r.Resources); err != nil {
+		return nil, errdefs.ToGRPC(err)
+	}
+	return empty, nil
+}
+
+// Wait for a process to exit
+func (s *Service) Wait(ctx context.Context, r *shimapi.WaitRequest) (*shimapi.WaitResponse, error) {
+	s.mu.Lock()
+	p := s.processes[r.ID]
+	s.mu.Unlock()
+	if p == nil {
+		return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+	p.Wait()
+
+	return &shimapi.WaitResponse{
+		ExitStatus: uint32(p.ExitStatus()),
+		ExitedAt:   p.ExitedAt(),
+	}, nil
+}
+
+func (s *Service) processExits() {
+	for e := range s.ec {
+		s.checkProcesses(e)
+	}
+}
+
+func (s *Service) checkProcesses(e runc.Exit) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	shouldKillAll, err := shouldKillAllOnExit(s.bundle)
+	if err != nil {
+		log.G(s.context).WithError(err).Error("failed to check shouldKillAll")
+	}
+
+	for _, p := range s.processes {
+		if p.Pid() == e.Pid {
+
+			if shouldKillAll {
+				if ip, ok := p.(*proc.Init); ok {
+					// Ensure all children are killed
+					if err := ip.KillAll(s.context); err != nil {
+						log.G(s.context).WithError(err).WithField("id", ip.ID()).
+							Error("failed to kill init's children")
+					}
+				}
+			}
+			p.SetExited(e.Status)
+			s.events <- &eventstypes.TaskExit{
+				ContainerID: s.id,
+				ID:          p.ID(),
+				Pid:         uint32(e.Pid),
+				ExitStatus:  uint32(e.Status),
+				ExitedAt:    p.ExitedAt(),
+			}
+			return
+		}
+	}
+}
+
+func shouldKillAllOnExit(bundlePath string) (bool, error) {
+	var bundleSpec specs.Spec
+	bundleConfigContents, err := ioutil.ReadFile(filepath.Join(bundlePath, "config.json"))
+	if err != nil {
+		return false, err
+	}
+	json.Unmarshal(bundleConfigContents, &bundleSpec)
+
+	if bundleSpec.Linux != nil {
+		for _, ns := range bundleSpec.Linux.Namespaces {
+			if ns.Type == specs.PIDNamespace {
+				return false, nil
+			}
+		}
+	}
+
+	return true, nil
+}
+
+func (s *Service) getContainerPids(ctx context.Context, id string) ([]uint32, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	p := s.processes[s.id]
+	if p == nil {
+		return nil, errors.Wrapf(errdefs.ErrFailedPrecondition, "container must be created")
+	}
+
+	ps, err := p.(*proc.Init).Runtime().Ps(ctx, id)
+	if err != nil {
+		return nil, err
+	}
+	pids := make([]uint32, 0, len(ps))
+	for _, pid := range ps {
+		pids = append(pids, uint32(pid))
+	}
+	return pids, nil
+}
+
+func (s *Service) forward(publisher events.Publisher) {
+	for e := range s.events {
+		if err := publisher.Publish(s.context, getTopic(s.context, e), e); err != nil {
+			log.G(s.context).WithError(err).Error("post event")
+		}
+	}
+}
+
+func getTopic(ctx context.Context, e interface{}) string {
+	switch e.(type) {
+	case *eventstypes.TaskCreate:
+		return runtime.TaskCreateEventTopic
+	case *eventstypes.TaskStart:
+		return runtime.TaskStartEventTopic
+	case *eventstypes.TaskOOM:
+		return runtime.TaskOOMEventTopic
+	case *eventstypes.TaskExit:
+		return runtime.TaskExitEventTopic
+	case *eventstypes.TaskDelete:
+		return runtime.TaskDeleteEventTopic
+	case *eventstypes.TaskExecAdded:
+		return runtime.TaskExecAddedEventTopic
+	case *eventstypes.TaskExecStarted:
+		return runtime.TaskExecStartedEventTopic
+	case *eventstypes.TaskPaused:
+		return runtime.TaskPausedEventTopic
+	case *eventstypes.TaskResumed:
+		return runtime.TaskResumedEventTopic
+	case *eventstypes.TaskCheckpointed:
+		return runtime.TaskCheckpointedEventTopic
+	default:
+		logrus.Warnf("no topic for type %#v", e)
+	}
+	return runtime.TaskUnknownTopic
+}
+
+func newInit(ctx context.Context, path, workDir, runtimeRoot, namespace, criu string, systemdCgroup bool, platform rproc.Platform, r *proc.CreateConfig) (*proc.Init, error) {
+	var options runctypes.CreateOptions
+	if r.Options != nil {
+		v, err := typeurl.UnmarshalAny(r.Options)
+		if err != nil {
+			return nil, err
+		}
+		options = *v.(*runctypes.CreateOptions)
+	}
+
+	rootfs := filepath.Join(path, "rootfs")
+	runtime := proc.NewRunc(runtimeRoot, path, namespace, r.Runtime, criu, systemdCgroup)
+	p := proc.New(r.ID, runtime, rproc.Stdio{
+		Stdin:    r.Stdin,
+		Stdout:   r.Stdout,
+		Stderr:   r.Stderr,
+		Terminal: r.Terminal,
+	})
+	p.Bundle = r.Bundle
+	p.Platform = platform
+	p.Rootfs = rootfs
+	p.WorkDir = workDir
+	p.IoUID = int(options.IoUid)
+	p.IoGID = int(options.IoGid)
+	p.NoPivotRoot = options.NoPivotRoot
+	p.NoNewKeyring = options.NoNewKeyring
+	return p, nil
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/service_linux.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/service_linux.go
new file mode 100644
index 000000000..18ae6503b
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/service_linux.go
@@ -0,0 +1,111 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package shim
+
+import (
+	"context"
+	"io"
+	"sync"
+	"syscall"
+
+	"github.com/containerd/console"
+	"github.com/containerd/fifo"
+	"github.com/pkg/errors"
+)
+
+type linuxPlatform struct {
+	epoller *console.Epoller
+}
+
+func (p *linuxPlatform) CopyConsole(ctx context.Context, console console.Console, stdin, stdout, stderr string, wg, cwg *sync.WaitGroup) (console.Console, error) {
+	if p.epoller == nil {
+		return nil, errors.New("uninitialized epoller")
+	}
+
+	epollConsole, err := p.epoller.Add(console)
+	if err != nil {
+		return nil, err
+	}
+
+	if stdin != "" {
+		in, err := fifo.OpenFifo(ctx, stdin, syscall.O_RDONLY, 0)
+		if err != nil {
+			return nil, err
+		}
+		cwg.Add(1)
+		go func() {
+			cwg.Done()
+			p := bufPool.Get().(*[]byte)
+			defer bufPool.Put(p)
+			io.CopyBuffer(epollConsole, in, *p)
+		}()
+	}
+
+	outw, err := fifo.OpenFifo(ctx, stdout, syscall.O_WRONLY, 0)
+	if err != nil {
+		return nil, err
+	}
+	outr, err := fifo.OpenFifo(ctx, stdout, syscall.O_RDONLY, 0)
+	if err != nil {
+		return nil, err
+	}
+	wg.Add(1)
+	cwg.Add(1)
+	go func() {
+		cwg.Done()
+		p := bufPool.Get().(*[]byte)
+		defer bufPool.Put(p)
+		io.CopyBuffer(outw, epollConsole, *p)
+		epollConsole.Close()
+		outr.Close()
+		outw.Close()
+		wg.Done()
+	}()
+	return epollConsole, nil
+}
+
+func (p *linuxPlatform) ShutdownConsole(ctx context.Context, cons console.Console) error {
+	if p.epoller == nil {
+		return errors.New("uninitialized epoller")
+	}
+	epollConsole, ok := cons.(*console.EpollConsole)
+	if !ok {
+		return errors.Errorf("expected EpollConsole, got %#v", cons)
+	}
+	return epollConsole.Shutdown(p.epoller.CloseConsole)
+}
+
+func (p *linuxPlatform) Close() error {
+	return p.epoller.Close()
+}
+
+// initialize a single epoll fd to manage our consoles. `initPlatform` should
+// only be called once.
+func (s *Service) initPlatform() error {
+	if s.platform != nil {
+		return nil
+	}
+	epoller, err := console.NewEpoller()
+	if err != nil {
+		return errors.Wrap(err, "failed to initialize epoller")
+	}
+	s.platform = &linuxPlatform{
+		epoller: epoller,
+	}
+	go epoller.Wait()
+	return nil
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/service_unix.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/service_unix.go
new file mode 100644
index 000000000..708e45c29
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/service_unix.go
@@ -0,0 +1,84 @@
+// +build !windows,!linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package shim
+
+import (
+	"context"
+	"io"
+	"sync"
+	"syscall"
+
+	"github.com/containerd/console"
+	"github.com/containerd/fifo"
+)
+
+type unixPlatform struct {
+}
+
+func (p *unixPlatform) CopyConsole(ctx context.Context, console console.Console, stdin, stdout, stderr string, wg, cwg *sync.WaitGroup) (console.Console, error) {
+	if stdin != "" {
+		in, err := fifo.OpenFifo(ctx, stdin, syscall.O_RDONLY, 0)
+		if err != nil {
+			return nil, err
+		}
+		cwg.Add(1)
+		go func() {
+			cwg.Done()
+			p := bufPool.Get().(*[]byte)
+			defer bufPool.Put(p)
+
+			io.CopyBuffer(console, in, *p)
+		}()
+	}
+	outw, err := fifo.OpenFifo(ctx, stdout, syscall.O_WRONLY, 0)
+	if err != nil {
+		return nil, err
+	}
+	outr, err := fifo.OpenFifo(ctx, stdout, syscall.O_RDONLY, 0)
+	if err != nil {
+		return nil, err
+	}
+	wg.Add(1)
+	cwg.Add(1)
+	go func() {
+		cwg.Done()
+		p := bufPool.Get().(*[]byte)
+		defer bufPool.Put(p)
+
+		io.CopyBuffer(outw, console, *p)
+		console.Close()
+		outr.Close()
+		outw.Close()
+		wg.Done()
+	}()
+	return console, nil
+}
+
+func (p *unixPlatform) ShutdownConsole(ctx context.Context, cons console.Console) error {
+	return nil
+}
+
+func (p *unixPlatform) Close() error {
+	return nil
+}
+
+func (s *Service) initPlatform() error {
+	s.platform = &unixPlatform{}
+	return nil
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/doc.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/doc.go
new file mode 100644
index 000000000..55bfe47d7
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/doc.go
@@ -0,0 +1,17 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package shim
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/shim.pb.go b/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/shim.pb.go
new file mode 100644
index 000000000..9bd2889ba
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/shim.pb.go
@@ -0,0 +1,4431 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: github.com/containerd/containerd/runtime/v1/shim/v1/shim.proto
+
+/*
+	Package shim is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/runtime/v1/shim/v1/shim.proto
+
+	It has these top-level messages:
+		CreateTaskRequest
+		CreateTaskResponse
+		DeleteResponse
+		DeleteProcessRequest
+		ExecProcessRequest
+		ExecProcessResponse
+		ResizePtyRequest
+		StateRequest
+		StateResponse
+		KillRequest
+		CloseIORequest
+		ListPidsRequest
+		ListPidsResponse
+		CheckpointTaskRequest
+		ShimInfoResponse
+		UpdateTaskRequest
+		StartRequest
+		StartResponse
+		WaitRequest
+		WaitResponse
+*/
+package shim
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import google_protobuf "github.com/gogo/protobuf/types"
+import google_protobuf1 "github.com/gogo/protobuf/types"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
+import _ "github.com/gogo/protobuf/types"
+import containerd_types "github.com/containerd/containerd/api/types"
+import containerd_v1_types "github.com/containerd/containerd/api/types/task"
+
+import time "time"
+
+import types "github.com/gogo/protobuf/types"
+
+import strings "strings"
+import reflect "reflect"
+
+import context "context"
+import ttrpc "github.com/containerd/ttrpc"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+var _ = time.Kitchen
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+type CreateTaskRequest struct {
+	ID               string                    `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Bundle           string                    `protobuf:"bytes,2,opt,name=bundle,proto3" json:"bundle,omitempty"`
+	Runtime          string                    `protobuf:"bytes,3,opt,name=runtime,proto3" json:"runtime,omitempty"`
+	Rootfs           []*containerd_types.Mount `protobuf:"bytes,4,rep,name=rootfs" json:"rootfs,omitempty"`
+	Terminal         bool                      `protobuf:"varint,5,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	Stdin            string                    `protobuf:"bytes,6,opt,name=stdin,proto3" json:"stdin,omitempty"`
+	Stdout           string                    `protobuf:"bytes,7,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stderr           string                    `protobuf:"bytes,8,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	Checkpoint       string                    `protobuf:"bytes,9,opt,name=checkpoint,proto3" json:"checkpoint,omitempty"`
+	ParentCheckpoint string                    `protobuf:"bytes,10,opt,name=parent_checkpoint,json=parentCheckpoint,proto3" json:"parent_checkpoint,omitempty"`
+	Options          *google_protobuf.Any      `protobuf:"bytes,11,opt,name=options" json:"options,omitempty"`
+}
+
+func (m *CreateTaskRequest) Reset()                    { *m = CreateTaskRequest{} }
+func (*CreateTaskRequest) ProtoMessage()               {}
+func (*CreateTaskRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{0} }
+
+type CreateTaskResponse struct {
+	Pid uint32 `protobuf:"varint,1,opt,name=pid,proto3" json:"pid,omitempty"`
+}
+
+func (m *CreateTaskResponse) Reset()                    { *m = CreateTaskResponse{} }
+func (*CreateTaskResponse) ProtoMessage()               {}
+func (*CreateTaskResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{1} }
+
+type DeleteResponse struct {
+	Pid        uint32    `protobuf:"varint,1,opt,name=pid,proto3" json:"pid,omitempty"`
+	ExitStatus uint32    `protobuf:"varint,2,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt   time.Time `protobuf:"bytes,3,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
+}
+
+func (m *DeleteResponse) Reset()                    { *m = DeleteResponse{} }
+func (*DeleteResponse) ProtoMessage()               {}
+func (*DeleteResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{2} }
+
+type DeleteProcessRequest struct {
+	ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *DeleteProcessRequest) Reset()                    { *m = DeleteProcessRequest{} }
+func (*DeleteProcessRequest) ProtoMessage()               {}
+func (*DeleteProcessRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{3} }
+
+type ExecProcessRequest struct {
+	ID       string               `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Terminal bool                 `protobuf:"varint,2,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	Stdin    string               `protobuf:"bytes,3,opt,name=stdin,proto3" json:"stdin,omitempty"`
+	Stdout   string               `protobuf:"bytes,4,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stderr   string               `protobuf:"bytes,5,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	Spec     *google_protobuf.Any `protobuf:"bytes,6,opt,name=spec" json:"spec,omitempty"`
+}
+
+func (m *ExecProcessRequest) Reset()                    { *m = ExecProcessRequest{} }
+func (*ExecProcessRequest) ProtoMessage()               {}
+func (*ExecProcessRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{4} }
+
+type ExecProcessResponse struct {
+}
+
+func (m *ExecProcessResponse) Reset()                    { *m = ExecProcessResponse{} }
+func (*ExecProcessResponse) ProtoMessage()               {}
+func (*ExecProcessResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{5} }
+
+type ResizePtyRequest struct {
+	ID     string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Width  uint32 `protobuf:"varint,2,opt,name=width,proto3" json:"width,omitempty"`
+	Height uint32 `protobuf:"varint,3,opt,name=height,proto3" json:"height,omitempty"`
+}
+
+func (m *ResizePtyRequest) Reset()                    { *m = ResizePtyRequest{} }
+func (*ResizePtyRequest) ProtoMessage()               {}
+func (*ResizePtyRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{6} }
+
+type StateRequest struct {
+	ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *StateRequest) Reset()                    { *m = StateRequest{} }
+func (*StateRequest) ProtoMessage()               {}
+func (*StateRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{7} }
+
+type StateResponse struct {
+	ID         string                     `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Bundle     string                     `protobuf:"bytes,2,opt,name=bundle,proto3" json:"bundle,omitempty"`
+	Pid        uint32                     `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"`
+	Status     containerd_v1_types.Status `protobuf:"varint,4,opt,name=status,proto3,enum=containerd.v1.types.Status" json:"status,omitempty"`
+	Stdin      string                     `protobuf:"bytes,5,opt,name=stdin,proto3" json:"stdin,omitempty"`
+	Stdout     string                     `protobuf:"bytes,6,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stderr     string                     `protobuf:"bytes,7,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	Terminal   bool                       `protobuf:"varint,8,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	ExitStatus uint32                     `protobuf:"varint,9,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt   time.Time                  `protobuf:"bytes,10,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
+}
+
+func (m *StateResponse) Reset()                    { *m = StateResponse{} }
+func (*StateResponse) ProtoMessage()               {}
+func (*StateResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{8} }
+
+type KillRequest struct {
+	ID     string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Signal uint32 `protobuf:"varint,2,opt,name=signal,proto3" json:"signal,omitempty"`
+	All    bool   `protobuf:"varint,3,opt,name=all,proto3" json:"all,omitempty"`
+}
+
+func (m *KillRequest) Reset()                    { *m = KillRequest{} }
+func (*KillRequest) ProtoMessage()               {}
+func (*KillRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{9} }
+
+type CloseIORequest struct {
+	ID    string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Stdin bool   `protobuf:"varint,2,opt,name=stdin,proto3" json:"stdin,omitempty"`
+}
+
+func (m *CloseIORequest) Reset()                    { *m = CloseIORequest{} }
+func (*CloseIORequest) ProtoMessage()               {}
+func (*CloseIORequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{10} }
+
+type ListPidsRequest struct {
+	ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *ListPidsRequest) Reset()                    { *m = ListPidsRequest{} }
+func (*ListPidsRequest) ProtoMessage()               {}
+func (*ListPidsRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{11} }
+
+type ListPidsResponse struct {
+	Processes []*containerd_v1_types.ProcessInfo `protobuf:"bytes,1,rep,name=processes" json:"processes,omitempty"`
+}
+
+func (m *ListPidsResponse) Reset()                    { *m = ListPidsResponse{} }
+func (*ListPidsResponse) ProtoMessage()               {}
+func (*ListPidsResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{12} }
+
+type CheckpointTaskRequest struct {
+	Path    string               `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+	Options *google_protobuf.Any `protobuf:"bytes,2,opt,name=options" json:"options,omitempty"`
+}
+
+func (m *CheckpointTaskRequest) Reset()                    { *m = CheckpointTaskRequest{} }
+func (*CheckpointTaskRequest) ProtoMessage()               {}
+func (*CheckpointTaskRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{13} }
+
+type ShimInfoResponse struct {
+	ShimPid uint32 `protobuf:"varint,1,opt,name=shim_pid,json=shimPid,proto3" json:"shim_pid,omitempty"`
+}
+
+func (m *ShimInfoResponse) Reset()                    { *m = ShimInfoResponse{} }
+func (*ShimInfoResponse) ProtoMessage()               {}
+func (*ShimInfoResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{14} }
+
+type UpdateTaskRequest struct {
+	Resources *google_protobuf.Any `protobuf:"bytes,1,opt,name=resources" json:"resources,omitempty"`
+}
+
+func (m *UpdateTaskRequest) Reset()                    { *m = UpdateTaskRequest{} }
+func (*UpdateTaskRequest) ProtoMessage()               {}
+func (*UpdateTaskRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{15} }
+
+type StartRequest struct {
+	ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *StartRequest) Reset()                    { *m = StartRequest{} }
+func (*StartRequest) ProtoMessage()               {}
+func (*StartRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{16} }
+
+type StartResponse struct {
+	ID  string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Pid uint32 `protobuf:"varint,2,opt,name=pid,proto3" json:"pid,omitempty"`
+}
+
+func (m *StartResponse) Reset()                    { *m = StartResponse{} }
+func (*StartResponse) ProtoMessage()               {}
+func (*StartResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{17} }
+
+type WaitRequest struct {
+	ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *WaitRequest) Reset()                    { *m = WaitRequest{} }
+func (*WaitRequest) ProtoMessage()               {}
+func (*WaitRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{18} }
+
+type WaitResponse struct {
+	ExitStatus uint32    `protobuf:"varint,1,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt   time.Time `protobuf:"bytes,2,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
+}
+
+func (m *WaitResponse) Reset()                    { *m = WaitResponse{} }
+func (*WaitResponse) ProtoMessage()               {}
+func (*WaitResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{19} }
+
+func init() {
+	proto.RegisterType((*CreateTaskRequest)(nil), "containerd.runtime.linux.shim.v1.CreateTaskRequest")
+	proto.RegisterType((*CreateTaskResponse)(nil), "containerd.runtime.linux.shim.v1.CreateTaskResponse")
+	proto.RegisterType((*DeleteResponse)(nil), "containerd.runtime.linux.shim.v1.DeleteResponse")
+	proto.RegisterType((*DeleteProcessRequest)(nil), "containerd.runtime.linux.shim.v1.DeleteProcessRequest")
+	proto.RegisterType((*ExecProcessRequest)(nil), "containerd.runtime.linux.shim.v1.ExecProcessRequest")
+	proto.RegisterType((*ExecProcessResponse)(nil), "containerd.runtime.linux.shim.v1.ExecProcessResponse")
+	proto.RegisterType((*ResizePtyRequest)(nil), "containerd.runtime.linux.shim.v1.ResizePtyRequest")
+	proto.RegisterType((*StateRequest)(nil), "containerd.runtime.linux.shim.v1.StateRequest")
+	proto.RegisterType((*StateResponse)(nil), "containerd.runtime.linux.shim.v1.StateResponse")
+	proto.RegisterType((*KillRequest)(nil), "containerd.runtime.linux.shim.v1.KillRequest")
+	proto.RegisterType((*CloseIORequest)(nil), "containerd.runtime.linux.shim.v1.CloseIORequest")
+	proto.RegisterType((*ListPidsRequest)(nil), "containerd.runtime.linux.shim.v1.ListPidsRequest")
+	proto.RegisterType((*ListPidsResponse)(nil), "containerd.runtime.linux.shim.v1.ListPidsResponse")
+	proto.RegisterType((*CheckpointTaskRequest)(nil), "containerd.runtime.linux.shim.v1.CheckpointTaskRequest")
+	proto.RegisterType((*ShimInfoResponse)(nil), "containerd.runtime.linux.shim.v1.ShimInfoResponse")
+	proto.RegisterType((*UpdateTaskRequest)(nil), "containerd.runtime.linux.shim.v1.UpdateTaskRequest")
+	proto.RegisterType((*StartRequest)(nil), "containerd.runtime.linux.shim.v1.StartRequest")
+	proto.RegisterType((*StartResponse)(nil), "containerd.runtime.linux.shim.v1.StartResponse")
+	proto.RegisterType((*WaitRequest)(nil), "containerd.runtime.linux.shim.v1.WaitRequest")
+	proto.RegisterType((*WaitResponse)(nil), "containerd.runtime.linux.shim.v1.WaitResponse")
+}
+func (m *CreateTaskRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CreateTaskRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if len(m.Bundle) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Bundle)))
+		i += copy(dAtA[i:], m.Bundle)
+	}
+	if len(m.Runtime) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Runtime)))
+		i += copy(dAtA[i:], m.Runtime)
+	}
+	if len(m.Rootfs) > 0 {
+		for _, msg := range m.Rootfs {
+			dAtA[i] = 0x22
+			i++
+			i = encodeVarintShim(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	if m.Terminal {
+		dAtA[i] = 0x28
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if len(m.Stdin) > 0 {
+		dAtA[i] = 0x32
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stdin)))
+		i += copy(dAtA[i:], m.Stdin)
+	}
+	if len(m.Stdout) > 0 {
+		dAtA[i] = 0x3a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stdout)))
+		i += copy(dAtA[i:], m.Stdout)
+	}
+	if len(m.Stderr) > 0 {
+		dAtA[i] = 0x42
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stderr)))
+		i += copy(dAtA[i:], m.Stderr)
+	}
+	if len(m.Checkpoint) > 0 {
+		dAtA[i] = 0x4a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Checkpoint)))
+		i += copy(dAtA[i:], m.Checkpoint)
+	}
+	if len(m.ParentCheckpoint) > 0 {
+		dAtA[i] = 0x52
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ParentCheckpoint)))
+		i += copy(dAtA[i:], m.ParentCheckpoint)
+	}
+	if m.Options != nil {
+		dAtA[i] = 0x5a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Options.Size()))
+		n1, err := m.Options.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n1
+	}
+	return i, nil
+}
+
+func (m *CreateTaskResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CreateTaskResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Pid != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Pid))
+	}
+	return i, nil
+}
+
+func (m *DeleteResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *DeleteResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Pid != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Pid))
+	}
+	if m.ExitStatus != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.ExitStatus))
+	}
+	dAtA[i] = 0x1a
+	i++
+	i = encodeVarintShim(dAtA, i, uint64(types.SizeOfStdTime(m.ExitedAt)))
+	n2, err := types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n2
+	return i, nil
+}
+
+func (m *DeleteProcessRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *DeleteProcessRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	return i, nil
+}
+
+func (m *ExecProcessRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ExecProcessRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Terminal {
+		dAtA[i] = 0x10
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if len(m.Stdin) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stdin)))
+		i += copy(dAtA[i:], m.Stdin)
+	}
+	if len(m.Stdout) > 0 {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stdout)))
+		i += copy(dAtA[i:], m.Stdout)
+	}
+	if len(m.Stderr) > 0 {
+		dAtA[i] = 0x2a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stderr)))
+		i += copy(dAtA[i:], m.Stderr)
+	}
+	if m.Spec != nil {
+		dAtA[i] = 0x32
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Spec.Size()))
+		n3, err := m.Spec.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n3
+	}
+	return i, nil
+}
+
+func (m *ExecProcessResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ExecProcessResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	return i, nil
+}
+
+func (m *ResizePtyRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ResizePtyRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Width != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Width))
+	}
+	if m.Height != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Height))
+	}
+	return i, nil
+}
+
+func (m *StateRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StateRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	return i, nil
+}
+
+func (m *StateResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StateResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if len(m.Bundle) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Bundle)))
+		i += copy(dAtA[i:], m.Bundle)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Pid))
+	}
+	if m.Status != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Status))
+	}
+	if len(m.Stdin) > 0 {
+		dAtA[i] = 0x2a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stdin)))
+		i += copy(dAtA[i:], m.Stdin)
+	}
+	if len(m.Stdout) > 0 {
+		dAtA[i] = 0x32
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stdout)))
+		i += copy(dAtA[i:], m.Stdout)
+	}
+	if len(m.Stderr) > 0 {
+		dAtA[i] = 0x3a
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Stderr)))
+		i += copy(dAtA[i:], m.Stderr)
+	}
+	if m.Terminal {
+		dAtA[i] = 0x40
+		i++
+		if m.Terminal {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.ExitStatus != 0 {
+		dAtA[i] = 0x48
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.ExitStatus))
+	}
+	dAtA[i] = 0x52
+	i++
+	i = encodeVarintShim(dAtA, i, uint64(types.SizeOfStdTime(m.ExitedAt)))
+	n4, err := types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n4
+	return i, nil
+}
+
+func (m *KillRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *KillRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Signal != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Signal))
+	}
+	if m.All {
+		dAtA[i] = 0x18
+		i++
+		if m.All {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
+func (m *CloseIORequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CloseIORequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Stdin {
+		dAtA[i] = 0x10
+		i++
+		if m.Stdin {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
+func (m *ListPidsRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ListPidsRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	return i, nil
+}
+
+func (m *ListPidsResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ListPidsResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Processes) > 0 {
+		for _, msg := range m.Processes {
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintShim(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	return i, nil
+}
+
+func (m *CheckpointTaskRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CheckpointTaskRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Path) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.Path)))
+		i += copy(dAtA[i:], m.Path)
+	}
+	if m.Options != nil {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Options.Size()))
+		n5, err := m.Options.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n5
+	}
+	return i, nil
+}
+
+func (m *ShimInfoResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ShimInfoResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.ShimPid != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.ShimPid))
+	}
+	return i, nil
+}
+
+func (m *UpdateTaskRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *UpdateTaskRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Resources != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Resources.Size()))
+		n6, err := m.Resources.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n6
+	}
+	return i, nil
+}
+
+func (m *StartRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StartRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	return i, nil
+}
+
+func (m *StartResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *StartResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Pid != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Pid))
+	}
+	return i, nil
+}
+
+func (m *WaitRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *WaitRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	return i, nil
+}
+
+func (m *WaitResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *WaitResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.ExitStatus != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.ExitStatus))
+	}
+	dAtA[i] = 0x12
+	i++
+	i = encodeVarintShim(dAtA, i, uint64(types.SizeOfStdTime(m.ExitedAt)))
+	n7, err := types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n7
+	return i, nil
+}
+
+func encodeVarintShim(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *CreateTaskRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Bundle)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Runtime)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if len(m.Rootfs) > 0 {
+		for _, e := range m.Rootfs {
+			l = e.Size()
+			n += 1 + l + sovShim(uint64(l))
+		}
+	}
+	if m.Terminal {
+		n += 2
+	}
+	l = len(m.Stdin)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Stdout)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Stderr)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Checkpoint)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.ParentCheckpoint)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Options != nil {
+		l = m.Options.Size()
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *CreateTaskResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.Pid != 0 {
+		n += 1 + sovShim(uint64(m.Pid))
+	}
+	return n
+}
+
+func (m *DeleteResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.Pid != 0 {
+		n += 1 + sovShim(uint64(m.Pid))
+	}
+	if m.ExitStatus != 0 {
+		n += 1 + sovShim(uint64(m.ExitStatus))
+	}
+	l = types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovShim(uint64(l))
+	return n
+}
+
+func (m *DeleteProcessRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *ExecProcessRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Terminal {
+		n += 2
+	}
+	l = len(m.Stdin)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Stdout)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Stderr)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Spec != nil {
+		l = m.Spec.Size()
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *ExecProcessResponse) Size() (n int) {
+	var l int
+	_ = l
+	return n
+}
+
+func (m *ResizePtyRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Width != 0 {
+		n += 1 + sovShim(uint64(m.Width))
+	}
+	if m.Height != 0 {
+		n += 1 + sovShim(uint64(m.Height))
+	}
+	return n
+}
+
+func (m *StateRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *StateResponse) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Bundle)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovShim(uint64(m.Pid))
+	}
+	if m.Status != 0 {
+		n += 1 + sovShim(uint64(m.Status))
+	}
+	l = len(m.Stdin)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Stdout)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	l = len(m.Stderr)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Terminal {
+		n += 2
+	}
+	if m.ExitStatus != 0 {
+		n += 1 + sovShim(uint64(m.ExitStatus))
+	}
+	l = types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovShim(uint64(l))
+	return n
+}
+
+func (m *KillRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Signal != 0 {
+		n += 1 + sovShim(uint64(m.Signal))
+	}
+	if m.All {
+		n += 2
+	}
+	return n
+}
+
+func (m *CloseIORequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Stdin {
+		n += 2
+	}
+	return n
+}
+
+func (m *ListPidsRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *ListPidsResponse) Size() (n int) {
+	var l int
+	_ = l
+	if len(m.Processes) > 0 {
+		for _, e := range m.Processes {
+			l = e.Size()
+			n += 1 + l + sovShim(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *CheckpointTaskRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Path)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Options != nil {
+		l = m.Options.Size()
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *ShimInfoResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.ShimPid != 0 {
+		n += 1 + sovShim(uint64(m.ShimPid))
+	}
+	return n
+}
+
+func (m *UpdateTaskRequest) Size() (n int) {
+	var l int
+	_ = l
+	if m.Resources != nil {
+		l = m.Resources.Size()
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *StartRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *StartResponse) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	if m.Pid != 0 {
+		n += 1 + sovShim(uint64(m.Pid))
+	}
+	return n
+}
+
+func (m *WaitRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovShim(uint64(l))
+	}
+	return n
+}
+
+func (m *WaitResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.ExitStatus != 0 {
+		n += 1 + sovShim(uint64(m.ExitStatus))
+	}
+	l = types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovShim(uint64(l))
+	return n
+}
+
+func sovShim(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozShim(x uint64) (n int) {
+	return sovShim(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *CreateTaskRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CreateTaskRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Bundle:` + fmt.Sprintf("%v", this.Bundle) + `,`,
+		`Runtime:` + fmt.Sprintf("%v", this.Runtime) + `,`,
+		`Rootfs:` + strings.Replace(fmt.Sprintf("%v", this.Rootfs), "Mount", "containerd_types.Mount", 1) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`Stdin:` + fmt.Sprintf("%v", this.Stdin) + `,`,
+		`Stdout:` + fmt.Sprintf("%v", this.Stdout) + `,`,
+		`Stderr:` + fmt.Sprintf("%v", this.Stderr) + `,`,
+		`Checkpoint:` + fmt.Sprintf("%v", this.Checkpoint) + `,`,
+		`ParentCheckpoint:` + fmt.Sprintf("%v", this.ParentCheckpoint) + `,`,
+		`Options:` + strings.Replace(fmt.Sprintf("%v", this.Options), "Any", "google_protobuf.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *CreateTaskResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CreateTaskResponse{`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *DeleteResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&DeleteResponse{`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *DeleteProcessRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&DeleteProcessRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ExecProcessRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ExecProcessRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`Stdin:` + fmt.Sprintf("%v", this.Stdin) + `,`,
+		`Stdout:` + fmt.Sprintf("%v", this.Stdout) + `,`,
+		`Stderr:` + fmt.Sprintf("%v", this.Stderr) + `,`,
+		`Spec:` + strings.Replace(fmt.Sprintf("%v", this.Spec), "Any", "google_protobuf.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ExecProcessResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ExecProcessResponse{`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ResizePtyRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ResizePtyRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Width:` + fmt.Sprintf("%v", this.Width) + `,`,
+		`Height:` + fmt.Sprintf("%v", this.Height) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *StateRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StateRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *StateResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StateResponse{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Bundle:` + fmt.Sprintf("%v", this.Bundle) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`Status:` + fmt.Sprintf("%v", this.Status) + `,`,
+		`Stdin:` + fmt.Sprintf("%v", this.Stdin) + `,`,
+		`Stdout:` + fmt.Sprintf("%v", this.Stdout) + `,`,
+		`Stderr:` + fmt.Sprintf("%v", this.Stderr) + `,`,
+		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
+		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *KillRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&KillRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Signal:` + fmt.Sprintf("%v", this.Signal) + `,`,
+		`All:` + fmt.Sprintf("%v", this.All) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *CloseIORequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CloseIORequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Stdin:` + fmt.Sprintf("%v", this.Stdin) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ListPidsRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ListPidsRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ListPidsResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ListPidsResponse{`,
+		`Processes:` + strings.Replace(fmt.Sprintf("%v", this.Processes), "ProcessInfo", "containerd_v1_types.ProcessInfo", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *CheckpointTaskRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CheckpointTaskRequest{`,
+		`Path:` + fmt.Sprintf("%v", this.Path) + `,`,
+		`Options:` + strings.Replace(fmt.Sprintf("%v", this.Options), "Any", "google_protobuf.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ShimInfoResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ShimInfoResponse{`,
+		`ShimPid:` + fmt.Sprintf("%v", this.ShimPid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *UpdateTaskRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&UpdateTaskRequest{`,
+		`Resources:` + strings.Replace(fmt.Sprintf("%v", this.Resources), "Any", "google_protobuf.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *StartRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StartRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *StartResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&StartResponse{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *WaitRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&WaitRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *WaitResponse) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&WaitResponse{`,
+		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringShim(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+
+type ShimService interface {
+	State(ctx context.Context, req *StateRequest) (*StateResponse, error)
+	Create(ctx context.Context, req *CreateTaskRequest) (*CreateTaskResponse, error)
+	Start(ctx context.Context, req *StartRequest) (*StartResponse, error)
+	Delete(ctx context.Context, req *google_protobuf1.Empty) (*DeleteResponse, error)
+	DeleteProcess(ctx context.Context, req *DeleteProcessRequest) (*DeleteResponse, error)
+	ListPids(ctx context.Context, req *ListPidsRequest) (*ListPidsResponse, error)
+	Pause(ctx context.Context, req *google_protobuf1.Empty) (*google_protobuf1.Empty, error)
+	Resume(ctx context.Context, req *google_protobuf1.Empty) (*google_protobuf1.Empty, error)
+	Checkpoint(ctx context.Context, req *CheckpointTaskRequest) (*google_protobuf1.Empty, error)
+	Kill(ctx context.Context, req *KillRequest) (*google_protobuf1.Empty, error)
+	Exec(ctx context.Context, req *ExecProcessRequest) (*google_protobuf1.Empty, error)
+	ResizePty(ctx context.Context, req *ResizePtyRequest) (*google_protobuf1.Empty, error)
+	CloseIO(ctx context.Context, req *CloseIORequest) (*google_protobuf1.Empty, error)
+	ShimInfo(ctx context.Context, req *google_protobuf1.Empty) (*ShimInfoResponse, error)
+	Update(ctx context.Context, req *UpdateTaskRequest) (*google_protobuf1.Empty, error)
+	Wait(ctx context.Context, req *WaitRequest) (*WaitResponse, error)
+}
+
+func RegisterShimService(srv *ttrpc.Server, svc ShimService) {
+	srv.Register("containerd.runtime.linux.shim.v1.Shim", map[string]ttrpc.Method{
+		"State": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req StateRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.State(ctx, &req)
+		},
+		"Create": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req CreateTaskRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Create(ctx, &req)
+		},
+		"Start": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req StartRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Start(ctx, &req)
+		},
+		"Delete": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req google_protobuf1.Empty
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Delete(ctx, &req)
+		},
+		"DeleteProcess": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req DeleteProcessRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.DeleteProcess(ctx, &req)
+		},
+		"ListPids": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req ListPidsRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.ListPids(ctx, &req)
+		},
+		"Pause": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req google_protobuf1.Empty
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Pause(ctx, &req)
+		},
+		"Resume": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req google_protobuf1.Empty
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Resume(ctx, &req)
+		},
+		"Checkpoint": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req CheckpointTaskRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Checkpoint(ctx, &req)
+		},
+		"Kill": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req KillRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Kill(ctx, &req)
+		},
+		"Exec": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req ExecProcessRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Exec(ctx, &req)
+		},
+		"ResizePty": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req ResizePtyRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.ResizePty(ctx, &req)
+		},
+		"CloseIO": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req CloseIORequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.CloseIO(ctx, &req)
+		},
+		"ShimInfo": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req google_protobuf1.Empty
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.ShimInfo(ctx, &req)
+		},
+		"Update": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req UpdateTaskRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Update(ctx, &req)
+		},
+		"Wait": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
+			var req WaitRequest
+			if err := unmarshal(&req); err != nil {
+				return nil, err
+			}
+			return svc.Wait(ctx, &req)
+		},
+	})
+}
+
+type shimClient struct {
+	client *ttrpc.Client
+}
+
+func NewShimClient(client *ttrpc.Client) ShimService {
+	return &shimClient{
+		client: client,
+	}
+}
+
+func (c *shimClient) State(ctx context.Context, req *StateRequest) (*StateResponse, error) {
+	var resp StateResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "State", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Create(ctx context.Context, req *CreateTaskRequest) (*CreateTaskResponse, error) {
+	var resp CreateTaskResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Create", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Start(ctx context.Context, req *StartRequest) (*StartResponse, error) {
+	var resp StartResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Start", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Delete(ctx context.Context, req *google_protobuf1.Empty) (*DeleteResponse, error) {
+	var resp DeleteResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Delete", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) DeleteProcess(ctx context.Context, req *DeleteProcessRequest) (*DeleteResponse, error) {
+	var resp DeleteResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "DeleteProcess", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) ListPids(ctx context.Context, req *ListPidsRequest) (*ListPidsResponse, error) {
+	var resp ListPidsResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "ListPids", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Pause(ctx context.Context, req *google_protobuf1.Empty) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Pause", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Resume(ctx context.Context, req *google_protobuf1.Empty) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Resume", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Checkpoint(ctx context.Context, req *CheckpointTaskRequest) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Checkpoint", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Kill(ctx context.Context, req *KillRequest) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Kill", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Exec(ctx context.Context, req *ExecProcessRequest) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Exec", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) ResizePty(ctx context.Context, req *ResizePtyRequest) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "ResizePty", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) CloseIO(ctx context.Context, req *CloseIORequest) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "CloseIO", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) ShimInfo(ctx context.Context, req *google_protobuf1.Empty) (*ShimInfoResponse, error) {
+	var resp ShimInfoResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "ShimInfo", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Update(ctx context.Context, req *UpdateTaskRequest) (*google_protobuf1.Empty, error) {
+	var resp google_protobuf1.Empty
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Update", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+func (c *shimClient) Wait(ctx context.Context, req *WaitRequest) (*WaitResponse, error) {
+	var resp WaitResponse
+	if err := c.client.Call(ctx, "containerd.runtime.linux.shim.v1.Shim", "Wait", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+func (m *CreateTaskRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CreateTaskRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CreateTaskRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Bundle", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Bundle = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Runtime", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Runtime = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Rootfs", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Rootfs = append(m.Rootfs, &containerd_types.Mount{})
+			if err := m.Rootfs[len(m.Rootfs)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdin", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdin = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdout", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdout = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stderr", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stderr = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 9:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Checkpoint", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Checkpoint = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ParentCheckpoint", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ParentCheckpoint = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 11:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Options", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Options == nil {
+				m.Options = &google_protobuf.Any{}
+			}
+			if err := m.Options.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *CreateTaskResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CreateTaskResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CreateTaskResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *DeleteResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: DeleteResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: DeleteResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitStatus", wireType)
+			}
+			m.ExitStatus = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ExitStatus |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *DeleteProcessRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: DeleteProcessRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: DeleteProcessRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ExecProcessRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ExecProcessRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ExecProcessRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdin", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdin = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdout", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdout = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stderr", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stderr = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Spec", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Spec == nil {
+				m.Spec = &google_protobuf.Any{}
+			}
+			if err := m.Spec.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ExecProcessResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ExecProcessResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ExecProcessResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ResizePtyRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ResizePtyRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ResizePtyRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Width", wireType)
+			}
+			m.Width = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Width |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
+			}
+			m.Height = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Height |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *StateRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StateRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StateRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *StateResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StateResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StateResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Bundle", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Bundle = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Status", wireType)
+			}
+			m.Status = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Status |= (containerd_v1_types.Status(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdin", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdin = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdout", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stdout = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stderr", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Stderr = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Terminal", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Terminal = bool(v != 0)
+		case 9:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitStatus", wireType)
+			}
+			m.ExitStatus = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ExitStatus |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *KillRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: KillRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: KillRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Signal", wireType)
+			}
+			m.Signal = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Signal |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field All", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.All = bool(v != 0)
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *CloseIORequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CloseIORequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CloseIORequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Stdin", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Stdin = bool(v != 0)
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ListPidsRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ListPidsRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ListPidsRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ListPidsResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ListPidsResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ListPidsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Processes", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Processes = append(m.Processes, &containerd_v1_types.ProcessInfo{})
+			if err := m.Processes[len(m.Processes)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *CheckpointTaskRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CheckpointTaskRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CheckpointTaskRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Path", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Path = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Options", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Options == nil {
+				m.Options = &google_protobuf.Any{}
+			}
+			if err := m.Options.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ShimInfoResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ShimInfoResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ShimInfoResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ShimPid", wireType)
+			}
+			m.ShimPid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ShimPid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *UpdateTaskRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: UpdateTaskRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: UpdateTaskRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Resources", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Resources == nil {
+				m.Resources = &google_protobuf.Any{}
+			}
+			if err := m.Resources.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *StartRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StartRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StartRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *StartResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: StartResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: StartResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
+			}
+			m.Pid = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Pid |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *WaitRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: WaitRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: WaitRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *WaitResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: WaitResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: WaitResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitStatus", wireType)
+			}
+			m.ExitStatus = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ExitStatus |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipShim(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowShim
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthShim
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowShim
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipShim(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthShim = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowShim   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/runtime/v1/shim/v1/shim.proto", fileDescriptorShim)
+}
+
+var fileDescriptorShim = []byte{
+	// 1133 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x57, 0x4f, 0x4f, 0x1b, 0x47,
+	0x14, 0x67, 0x17, 0xff, 0x7d, 0x8e, 0x29, 0x4c, 0x09, 0xdd, 0x38, 0x92, 0xb1, 0x56, 0x6a, 0x44,
+	0x55, 0x65, 0x5d, 0x4c, 0x95, 0xa4, 0xad, 0x84, 0x04, 0x24, 0xaa, 0x50, 0x1b, 0x05, 0x2d, 0xa4,
+	0x89, 0x5a, 0x55, 0x68, 0xf1, 0x0e, 0xf6, 0x08, 0x7b, 0x67, 0xb3, 0x33, 0x4b, 0xa1, 0xa7, 0x9e,
+	0x7a, 0xee, 0xc7, 0xe9, 0x47, 0xe0, 0x90, 0x43, 0x8f, 0x3d, 0xa5, 0x0d, 0xf7, 0x7e, 0x87, 0x6a,
+	0xfe, 0x18, 0xaf, 0x6d, 0x36, 0xbb, 0x70, 0xc1, 0xfb, 0x66, 0x7e, 0x6f, 0xe6, 0xcd, 0xfb, 0xfd,
+	0xe6, 0xbd, 0x01, 0x36, 0x7b, 0x84, 0xf7, 0xe3, 0x23, 0xa7, 0x4b, 0x87, 0xed, 0x2e, 0x0d, 0xb8,
+	0x47, 0x02, 0x1c, 0xf9, 0xc9, 0xcf, 0x28, 0x0e, 0x38, 0x19, 0xe2, 0xf6, 0xe9, 0x7a, 0x9b, 0xf5,
+	0xc9, 0x70, 0xf4, 0xeb, 0x84, 0x11, 0xe5, 0x14, 0xb5, 0xc6, 0x48, 0x47, 0x23, 0x9d, 0x01, 0x09,
+	0xe2, 0x33, 0x47, 0x82, 0x4e, 0xd7, 0x1b, 0xf7, 0x7a, 0x94, 0xf6, 0x06, 0xb8, 0x2d, 0xf1, 0x47,
+	0xf1, 0x71, 0xdb, 0x0b, 0xce, 0x95, 0x73, 0xe3, 0xfe, 0xf4, 0x14, 0x1e, 0x86, 0x7c, 0x34, 0xb9,
+	0xdc, 0xa3, 0x3d, 0x2a, 0x3f, 0xdb, 0xe2, 0x4b, 0x8f, 0xae, 0x4e, 0xbb, 0x88, 0x1d, 0x19, 0xf7,
+	0x86, 0xa1, 0x06, 0x3c, 0xca, 0x3c, 0x90, 0x17, 0x92, 0x36, 0x3f, 0x0f, 0x31, 0x6b, 0x0f, 0x69,
+	0x1c, 0x70, 0xed, 0xf7, 0xf5, 0x0d, 0xfc, 0xb8, 0xc7, 0x4e, 0xe4, 0x1f, 0xe5, 0x6b, 0xff, 0x67,
+	0xc2, 0xd2, 0x4e, 0x84, 0x3d, 0x8e, 0x0f, 0x3c, 0x76, 0xe2, 0xe2, 0x37, 0x31, 0x66, 0x1c, 0xad,
+	0x80, 0x49, 0x7c, 0xcb, 0x68, 0x19, 0x6b, 0xd5, 0xed, 0xd2, 0xe5, 0xbb, 0x55, 0x73, 0xf7, 0xa9,
+	0x6b, 0x12, 0x1f, 0xad, 0x40, 0xe9, 0x28, 0x0e, 0xfc, 0x01, 0xb6, 0x4c, 0x31, 0xe7, 0x6a, 0x0b,
+	0x59, 0x50, 0xd6, 0x19, 0xb4, 0xe6, 0xe5, 0xc4, 0xc8, 0x44, 0x6d, 0x28, 0x45, 0x94, 0xf2, 0x63,
+	0x66, 0x15, 0x5a, 0xf3, 0x6b, 0xb5, 0xce, 0x27, 0x4e, 0x22, 0xeb, 0x32, 0x24, 0xe7, 0xb9, 0x38,
+	0x8a, 0xab, 0x61, 0xa8, 0x01, 0x15, 0x8e, 0xa3, 0x21, 0x09, 0xbc, 0x81, 0x55, 0x6c, 0x19, 0x6b,
+	0x15, 0xf7, 0xca, 0x46, 0xcb, 0x50, 0x64, 0xdc, 0x27, 0x81, 0x55, 0x92, 0x9b, 0x28, 0x43, 0x04,
+	0xc5, 0xb8, 0x4f, 0x63, 0x6e, 0x95, 0x55, 0x50, 0xca, 0xd2, 0xe3, 0x38, 0x8a, 0xac, 0xca, 0xd5,
+	0x38, 0x8e, 0x22, 0xd4, 0x04, 0xe8, 0xf6, 0x71, 0xf7, 0x24, 0xa4, 0x24, 0xe0, 0x56, 0x55, 0xce,
+	0x25, 0x46, 0xd0, 0xe7, 0xb0, 0x14, 0x7a, 0x11, 0x0e, 0xf8, 0x61, 0x02, 0x06, 0x12, 0xb6, 0xa8,
+	0x26, 0x76, 0xc6, 0x60, 0x07, 0xca, 0x34, 0xe4, 0x84, 0x06, 0xcc, 0xaa, 0xb5, 0x8c, 0xb5, 0x5a,
+	0x67, 0xd9, 0x51, 0x34, 0x3b, 0x23, 0x9a, 0x9d, 0xad, 0xe0, 0xdc, 0x1d, 0x81, 0xec, 0x07, 0x80,
+	0x92, 0xe9, 0x66, 0x21, 0x0d, 0x18, 0x46, 0x8b, 0x30, 0x1f, 0xea, 0x84, 0xd7, 0x5d, 0xf1, 0x69,
+	0xff, 0x6e, 0xc0, 0xc2, 0x53, 0x3c, 0xc0, 0x1c, 0xa7, 0x83, 0xd0, 0x2a, 0xd4, 0xf0, 0x19, 0xe1,
+	0x87, 0x8c, 0x7b, 0x3c, 0x66, 0x92, 0x93, 0xba, 0x0b, 0x62, 0x68, 0x5f, 0x8e, 0xa0, 0x2d, 0xa8,
+	0x0a, 0x0b, 0xfb, 0x87, 0x1e, 0x97, 0xcc, 0xd4, 0x3a, 0x8d, 0x99, 0xf8, 0x0e, 0x46, 0x32, 0xdc,
+	0xae, 0x5c, 0xbc, 0x5b, 0x9d, 0xfb, 0xe3, 0x9f, 0x55, 0xc3, 0xad, 0x28, 0xb7, 0x2d, 0x6e, 0x3b,
+	0xb0, 0xac, 0xe2, 0xd8, 0x8b, 0x68, 0x17, 0x33, 0x96, 0x21, 0x11, 0xfb, 0x4f, 0x03, 0xd0, 0xb3,
+	0x33, 0xdc, 0xcd, 0x07, 0x9f, 0xa0, 0xdb, 0x4c, 0xa3, 0x7b, 0xfe, 0x7a, 0xba, 0x0b, 0x29, 0x74,
+	0x17, 0x27, 0xe8, 0x5e, 0x83, 0x02, 0x0b, 0x71, 0x57, 0x6a, 0x26, 0x8d, 0x1e, 0x89, 0xb0, 0xef,
+	0xc2, 0xc7, 0x13, 0x91, 0xab, 0xbc, 0xdb, 0xaf, 0x61, 0xd1, 0xc5, 0x8c, 0xfc, 0x8a, 0xf7, 0xf8,
+	0x79, 0xd6, 0x71, 0x96, 0xa1, 0xf8, 0x0b, 0xf1, 0x79, 0x5f, 0x73, 0xa1, 0x0c, 0x11, 0x5a, 0x1f,
+	0x93, 0x5e, 0x5f, 0x71, 0x50, 0x77, 0xb5, 0x65, 0x3f, 0x80, 0x3b, 0x82, 0x28, 0x9c, 0x95, 0xd3,
+	0xb7, 0x26, 0xd4, 0x35, 0x50, 0x6b, 0xe1, 0xa6, 0x17, 0x54, 0x6b, 0x67, 0x7e, 0xac, 0x9d, 0x0d,
+	0x91, 0x2e, 0x29, 0x1b, 0x91, 0xc6, 0x85, 0xce, 0xfd, 0xe4, 0xc5, 0x3c, 0x5d, 0xd7, 0x77, 0x53,
+	0xe9, 0xc8, 0xd5, 0xd0, 0x31, 0x23, 0xc5, 0xeb, 0x19, 0x29, 0xa5, 0x30, 0x52, 0x9e, 0x60, 0x24,
+	0xc9, 0x79, 0x65, 0x8a, 0xf3, 0x29, 0x49, 0x57, 0x3f, 0x2c, 0x69, 0xb8, 0x95, 0xa4, 0x5f, 0x40,
+	0xed, 0x3b, 0x32, 0x18, 0xe4, 0x28, 0x76, 0x8c, 0xf4, 0x46, 0xc2, 0xac, 0xbb, 0xda, 0x12, 0xb9,
+	0xf4, 0x06, 0x03, 0x99, 0xcb, 0x8a, 0x2b, 0x3e, 0xed, 0x4d, 0x58, 0xd8, 0x19, 0x50, 0x86, 0x77,
+	0x5f, 0xe4, 0xd0, 0x87, 0x4a, 0xa0, 0xd2, 0xba, 0x32, 0xec, 0xcf, 0xe0, 0xa3, 0xef, 0x09, 0xe3,
+	0x7b, 0xc4, 0xcf, 0xbc, 0x5e, 0x2e, 0x2c, 0x8e, 0xa1, 0x5a, 0x0c, 0x9b, 0x50, 0x0d, 0x95, 0x66,
+	0x31, 0xb3, 0x0c, 0x59, 0x66, 0x5b, 0xd7, 0xb2, 0xa9, 0x95, 0xbd, 0x1b, 0x1c, 0x53, 0x77, 0xec,
+	0x62, 0xff, 0x04, 0x77, 0xc7, 0x15, 0x2d, 0xd9, 0x06, 0x10, 0x14, 0x42, 0x8f, 0xf7, 0x55, 0x18,
+	0xae, 0xfc, 0x4e, 0x16, 0x3c, 0x33, 0x4f, 0xc1, 0x7b, 0x08, 0x8b, 0xfb, 0x7d, 0x32, 0x94, 0x7b,
+	0x8e, 0x02, 0xbe, 0x07, 0x15, 0xd1, 0x62, 0x0f, 0xc7, 0xe5, 0xac, 0x2c, 0xec, 0x3d, 0xe2, 0xdb,
+	0xdf, 0xc2, 0xd2, 0xcb, 0xd0, 0x9f, 0x6a, 0x47, 0x1d, 0xa8, 0x46, 0x98, 0xd1, 0x38, 0xea, 0xca,
+	0x03, 0xa6, 0xef, 0x3a, 0x86, 0xe9, 0xbb, 0x15, 0xf1, 0xac, 0x84, 0x7e, 0x25, 0xaf, 0x96, 0xc0,
+	0x65, 0x5c, 0x2d, 0x7d, 0x85, 0xcc, 0x71, 0x8d, 0xfe, 0x14, 0x6a, 0xaf, 0x3c, 0x92, 0xb9, 0x43,
+	0x04, 0x77, 0x14, 0x4c, 0x6f, 0x30, 0x25, 0x71, 0xe3, 0xc3, 0x12, 0x37, 0x6f, 0x23, 0xf1, 0xce,
+	0xdb, 0x1a, 0x14, 0x44, 0xda, 0x51, 0x1f, 0x8a, 0xb2, 0x72, 0x20, 0xc7, 0xc9, 0x7a, 0xee, 0x38,
+	0xc9, 0x5a, 0xd4, 0x68, 0xe7, 0xc6, 0xeb, 0x63, 0x31, 0x28, 0xa9, 0xce, 0x86, 0x36, 0xb2, 0x5d,
+	0x67, 0x9e, 0x1c, 0x8d, 0x2f, 0x6f, 0xe6, 0xa4, 0x37, 0x55, 0xc7, 0x8b, 0x78, 0xce, 0xe3, 0x5d,
+	0xc9, 0x21, 0xe7, 0xf1, 0x12, 0xb2, 0x70, 0xa1, 0xa4, 0xfa, 0x20, 0x5a, 0x99, 0xe1, 0xe2, 0x99,
+	0x78, 0xfb, 0x35, 0xbe, 0xc8, 0x5e, 0x72, 0xaa, 0xa3, 0x9f, 0x43, 0x7d, 0xa2, 0xb7, 0xa2, 0x47,
+	0x79, 0x97, 0x98, 0xec, 0xae, 0xb7, 0xd8, 0xfa, 0x0d, 0x54, 0x46, 0x75, 0x04, 0xad, 0x67, 0x7b,
+	0x4f, 0x95, 0xa7, 0x46, 0xe7, 0x26, 0x2e, 0x7a, 0xcb, 0xc7, 0x50, 0xdc, 0xf3, 0x62, 0x96, 0x9e,
+	0xc0, 0x94, 0x71, 0xf4, 0x04, 0x4a, 0x2e, 0x66, 0xf1, 0xf0, 0xe6, 0x9e, 0x3f, 0x03, 0x24, 0xde,
+	0x6a, 0x8f, 0x73, 0x48, 0xec, 0xba, 0x3a, 0x98, 0xba, 0xfc, 0x73, 0x28, 0x88, 0x46, 0x82, 0x1e,
+	0x66, 0x2f, 0x9c, 0x68, 0x38, 0xa9, 0xcb, 0x1d, 0x40, 0x41, 0xbc, 0x3f, 0x50, 0x8e, 0xab, 0x30,
+	0xfb, 0xc2, 0x4a, 0x5d, 0xf5, 0x15, 0x54, 0xaf, 0x9e, 0x2f, 0x28, 0x07, 0x6f, 0xd3, 0x6f, 0x9d,
+	0xd4, 0x85, 0xf7, 0xa1, 0xac, 0xbb, 0x1e, 0xca, 0xa1, 0xbf, 0xc9, 0x06, 0x99, 0xba, 0xe8, 0x0f,
+	0x50, 0x19, 0xb5, 0x8b, 0x54, 0xb6, 0x73, 0x1c, 0x62, 0xa6, 0xe5, 0xbc, 0x84, 0x92, 0xea, 0x2b,
+	0x79, 0xaa, 0xd3, 0x4c, 0x07, 0x4a, 0x0d, 0x17, 0x43, 0x41, 0xd4, 0xf6, 0x3c, 0x0a, 0x48, 0xb4,
+	0x8a, 0x86, 0x93, 0x17, 0xae, 0xa2, 0xdf, 0x76, 0x2f, 0xde, 0x37, 0xe7, 0xfe, 0x7e, 0xdf, 0x9c,
+	0xfb, 0xed, 0xb2, 0x69, 0x5c, 0x5c, 0x36, 0x8d, 0xbf, 0x2e, 0x9b, 0xc6, 0xbf, 0x97, 0x4d, 0xe3,
+	0xc7, 0x27, 0xb7, 0xf8, 0x27, 0xf8, 0x1b, 0xf1, 0xfb, 0xda, 0x3c, 0x2a, 0xc9, 0xc3, 0x6c, 0xfc,
+	0x1f, 0x00, 0x00, 0xff, 0xff, 0x64, 0x52, 0x86, 0xc0, 0x49, 0x0f, 0x00, 0x00,
+}
diff --git a/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/shim.proto b/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/shim.proto
new file mode 100644
index 000000000..516d914b9
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/runtime/v1/shim/v1/shim.proto
@@ -0,0 +1,165 @@
+syntax = "proto3";
+
+package containerd.runtime.linux.shim.v1;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/empty.proto";
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "github.com/containerd/containerd/api/types/mount.proto";
+import "github.com/containerd/containerd/api/types/task/task.proto";
+
+option go_package = "github.com/containerd/containerd/runtime/v1/shim/v1;shim";
+
+// Shim service is launched for each container and is responsible for owning the IO
+// for the container and its additional processes.  The shim is also the parent of
+// each container and allows reattaching to the IO and receiving the exit status
+// for the container processes.
+service Shim {
+	// State returns shim and task state information.
+	rpc State(StateRequest) returns (StateResponse);
+
+	rpc Create(CreateTaskRequest) returns (CreateTaskResponse);
+
+	rpc Start(StartRequest) returns (StartResponse);
+
+	rpc Delete(google.protobuf.Empty) returns (DeleteResponse);
+
+	rpc DeleteProcess(DeleteProcessRequest) returns (DeleteResponse);
+
+	rpc ListPids(ListPidsRequest) returns (ListPidsResponse);
+
+	rpc Pause(google.protobuf.Empty) returns (google.protobuf.Empty);
+
+	rpc Resume(google.protobuf.Empty) returns (google.protobuf.Empty);
+
+	rpc Checkpoint(CheckpointTaskRequest) returns (google.protobuf.Empty);
+
+	rpc Kill(KillRequest) returns (google.protobuf.Empty);
+
+	rpc Exec(ExecProcessRequest) returns (google.protobuf.Empty);
+
+	rpc ResizePty(ResizePtyRequest) returns (google.protobuf.Empty);
+
+	rpc CloseIO(CloseIORequest) returns (google.protobuf.Empty);
+
+	// ShimInfo returns information about the shim.
+	rpc ShimInfo(google.protobuf.Empty) returns (ShimInfoResponse);
+
+	rpc Update(UpdateTaskRequest) returns (google.protobuf.Empty);
+
+	rpc Wait(WaitRequest) returns (WaitResponse);
+}
+
+message CreateTaskRequest {
+	string id = 1;
+	string bundle = 2;
+	string runtime = 3;
+	repeated containerd.types.Mount rootfs = 4;
+	bool terminal = 5;
+	string stdin = 6;
+	string stdout = 7;
+	string stderr = 8;
+	string checkpoint = 9;
+	string parent_checkpoint = 10;
+	google.protobuf.Any options = 11;
+}
+
+message CreateTaskResponse {
+	uint32 pid = 1;
+}
+
+message DeleteResponse {
+	uint32 pid = 1;
+	uint32 exit_status = 2;
+	google.protobuf.Timestamp exited_at = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message DeleteProcessRequest {
+	string id = 1;
+}
+
+message ExecProcessRequest {
+	string id = 1;
+	bool terminal = 2;
+	string stdin = 3;
+	string stdout = 4;
+	string stderr = 5;
+	google.protobuf.Any spec = 6;
+}
+
+message ExecProcessResponse {
+}
+
+message ResizePtyRequest {
+	string id = 1;
+	uint32 width = 2;
+	uint32 height = 3;
+}
+
+message StateRequest {
+	string id = 1;
+}
+
+message StateResponse {
+	string id = 1;
+	string bundle = 2;
+	uint32 pid = 3;
+	containerd.v1.types.Status status = 4;
+	string stdin = 5;
+	string stdout = 6;
+	string stderr = 7;
+	bool terminal = 8;
+	uint32 exit_status = 9;
+	google.protobuf.Timestamp exited_at = 10 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message KillRequest {
+	string id = 1;
+	uint32 signal = 2;
+	bool all = 3;
+}
+
+message CloseIORequest {
+	string id = 1;
+	bool stdin = 2;
+}
+
+message ListPidsRequest {
+	string id = 1;
+}
+
+message ListPidsResponse {
+	repeated containerd.v1.types.ProcessInfo processes = 1;
+}
+
+message CheckpointTaskRequest {
+	string path = 1;
+	google.protobuf.Any options = 2;
+}
+
+message ShimInfoResponse {
+	uint32 shim_pid = 1;
+}
+
+message UpdateTaskRequest {
+	google.protobuf.Any resources = 1;
+}
+
+message StartRequest {
+	string id = 1;
+}
+
+message StartResponse {
+	string id = 1;
+	uint32 pid = 2;
+}
+
+message WaitRequest {
+	string id = 1;
+}
+
+message WaitResponse {
+	uint32 exit_status = 1;
+	google.protobuf.Timestamp exited_at = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
diff --git a/vendor/github.com/containerd/containerd/sys/env.go b/vendor/github.com/containerd/containerd/sys/env.go
new file mode 100644
index 000000000..8450d6275
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/env.go
@@ -0,0 +1,33 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import "golang.org/x/sys/unix"
+
+// RunningPrivileged returns true if the effective user ID of the
+// calling process is 0
+func RunningPrivileged() bool {
+	return unix.Geteuid() == 0
+}
+
+// RunningUnprivileged returns true if the effective user ID of the
+// calling process is not 0
+func RunningUnprivileged() bool {
+	return !RunningPrivileged()
+}
diff --git a/vendor/github.com/containerd/containerd/sys/epoll.go b/vendor/github.com/containerd/containerd/sys/epoll.go
new file mode 100644
index 000000000..683f38eea
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/epoll.go
@@ -0,0 +1,36 @@
+// +build linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import "golang.org/x/sys/unix"
+
+// EpollCreate1 directly calls unix.EpollCreate1
+func EpollCreate1(flag int) (int, error) {
+	return unix.EpollCreate1(flag)
+}
+
+// EpollCtl directly calls unix.EpollCtl
+func EpollCtl(epfd int, op int, fd int, event *unix.EpollEvent) error {
+	return unix.EpollCtl(epfd, op, fd, event)
+}
+
+// EpollWait directly calls unix.EpollWait
+func EpollWait(epfd int, events []unix.EpollEvent, msec int) (int, error) {
+	return unix.EpollWait(epfd, events, msec)
+}
diff --git a/vendor/github.com/containerd/containerd/sys/fds.go b/vendor/github.com/containerd/containerd/sys/fds.go
new file mode 100644
index 000000000..db3cf702f
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/fds.go
@@ -0,0 +1,34 @@
+// +build !windows,!darwin
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"io/ioutil"
+	"path/filepath"
+	"strconv"
+)
+
+// GetOpenFds returns the number of open fds for the process provided by pid
+func GetOpenFds(pid int) (int, error) {
+	dirs, err := ioutil.ReadDir(filepath.Join("/proc", strconv.Itoa(pid), "fd"))
+	if err != nil {
+		return -1, err
+	}
+	return len(dirs), nil
+}
diff --git a/vendor/github.com/containerd/containerd/sys/filesys_unix.go b/vendor/github.com/containerd/containerd/sys/filesys_unix.go
new file mode 100644
index 000000000..700f44efa
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/filesys_unix.go
@@ -0,0 +1,26 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import "os"
+
+// ForceRemoveAll on unix is just a wrapper for os.RemoveAll
+func ForceRemoveAll(path string) error {
+	return os.RemoveAll(path)
+}
diff --git a/vendor/github.com/containerd/containerd/sys/filesys_windows.go b/vendor/github.com/containerd/containerd/sys/filesys_windows.go
new file mode 100644
index 000000000..dc880c342
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/filesys_windows.go
@@ -0,0 +1,263 @@
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"syscall"
+	"unsafe"
+
+	winio "github.com/Microsoft/go-winio"
+	"github.com/Microsoft/hcsshim"
+)
+
+// MkdirAllWithACL is a wrapper for MkdirAll that creates a directory
+// ACL'd for Builtin Administrators and Local System.
+func MkdirAllWithACL(path string, perm os.FileMode) error {
+	return mkdirall(path, true)
+}
+
+// MkdirAll implementation that is volume path aware for Windows.
+func MkdirAll(path string, _ os.FileMode) error {
+	return mkdirall(path, false)
+}
+
+// mkdirall is a custom version of os.MkdirAll modified for use on Windows
+// so that it is both volume path aware, and can create a directory with
+// a DACL.
+func mkdirall(path string, adminAndLocalSystem bool) error {
+	if re := regexp.MustCompile(`^\\\\\?\\Volume{[a-z0-9-]+}$`); re.MatchString(path) {
+		return nil
+	}
+
+	// The rest of this method is largely copied from os.MkdirAll and should be kept
+	// as-is to ensure compatibility.
+
+	// Fast path: if we can tell whether path is a directory or file, stop with success or error.
+	dir, err := os.Stat(path)
+	if err == nil {
+		if dir.IsDir() {
+			return nil
+		}
+		return &os.PathError{
+			Op:   "mkdir",
+			Path: path,
+			Err:  syscall.ENOTDIR,
+		}
+	}
+
+	// Slow path: make sure parent exists and then call Mkdir for path.
+	i := len(path)
+	for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
+		i--
+	}
+
+	j := i
+	for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
+		j--
+	}
+
+	if j > 1 {
+		// Create parent
+		err = mkdirall(path[0:j-1], false)
+		if err != nil {
+			return err
+		}
+	}
+
+	// Parent now exists; invoke os.Mkdir or mkdirWithACL and use its result.
+	if adminAndLocalSystem {
+		err = mkdirWithACL(path)
+	} else {
+		err = os.Mkdir(path, 0)
+	}
+
+	if err != nil {
+		// Handle arguments like "foo/." by
+		// double-checking that directory doesn't exist.
+		dir, err1 := os.Lstat(path)
+		if err1 == nil && dir.IsDir() {
+			return nil
+		}
+		return err
+	}
+	return nil
+}
+
+// mkdirWithACL creates a new directory. If there is an error, it will be of
+// type *PathError. .
+//
+// This is a modified and combined version of os.Mkdir and syscall.Mkdir
+// in golang to cater for creating a directory am ACL permitting full
+// access, with inheritance, to any subfolder/file for Built-in Administrators
+// and Local System.
+func mkdirWithACL(name string) error {
+	sa := syscall.SecurityAttributes{Length: 0}
+	sddl := "D:P(A;OICI;GA;;;BA)(A;OICI;GA;;;SY)"
+	sd, err := winio.SddlToSecurityDescriptor(sddl)
+	if err != nil {
+		return &os.PathError{Op: "mkdir", Path: name, Err: err}
+	}
+	sa.Length = uint32(unsafe.Sizeof(sa))
+	sa.InheritHandle = 1
+	sa.SecurityDescriptor = uintptr(unsafe.Pointer(&sd[0]))
+
+	namep, err := syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return &os.PathError{Op: "mkdir", Path: name, Err: err}
+	}
+
+	e := syscall.CreateDirectory(namep, &sa)
+	if e != nil {
+		return &os.PathError{Op: "mkdir", Path: name, Err: e}
+	}
+	return nil
+}
+
+// IsAbs is a platform-specific wrapper for filepath.IsAbs. On Windows,
+// golang filepath.IsAbs does not consider a path \windows\system32 as absolute
+// as it doesn't start with a drive-letter/colon combination. However, in
+// docker we need to verify things such as WORKDIR /windows/system32 in
+// a Dockerfile (which gets translated to \windows\system32 when being processed
+// by the daemon. This SHOULD be treated as absolute from a docker processing
+// perspective.
+func IsAbs(path string) bool {
+	if !filepath.IsAbs(path) {
+		if !strings.HasPrefix(path, string(os.PathSeparator)) {
+			return false
+		}
+	}
+	return true
+}
+
+// The origin of the functions below here are the golang OS and syscall packages,
+// slightly modified to only cope with files, not directories due to the
+// specific use case.
+//
+// The alteration is to allow a file on Windows to be opened with
+// FILE_FLAG_SEQUENTIAL_SCAN (particular for docker load), to avoid eating
+// the standby list, particularly when accessing large files such as layer.tar.
+
+// CreateSequential creates the named file with mode 0666 (before umask), truncating
+// it if it already exists. If successful, methods on the returned
+// File can be used for I/O; the associated file descriptor has mode
+// O_RDWR.
+// If there is an error, it will be of type *PathError.
+func CreateSequential(name string) (*os.File, error) {
+	return OpenFileSequential(name, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0)
+}
+
+// OpenSequential opens the named file for reading. If successful, methods on
+// the returned file can be used for reading; the associated file
+// descriptor has mode O_RDONLY.
+// If there is an error, it will be of type *PathError.
+func OpenSequential(name string) (*os.File, error) {
+	return OpenFileSequential(name, os.O_RDONLY, 0)
+}
+
+// OpenFileSequential is the generalized open call; most users will use Open
+// or Create instead.
+// If there is an error, it will be of type *PathError.
+func OpenFileSequential(name string, flag int, _ os.FileMode) (*os.File, error) {
+	if name == "" {
+		return nil, &os.PathError{Op: "open", Path: name, Err: syscall.ENOENT}
+	}
+	r, errf := syscallOpenFileSequential(name, flag, 0)
+	if errf == nil {
+		return r, nil
+	}
+	return nil, &os.PathError{Op: "open", Path: name, Err: errf}
+}
+
+func syscallOpenFileSequential(name string, flag int, _ os.FileMode) (file *os.File, err error) {
+	r, e := syscallOpenSequential(name, flag|syscall.O_CLOEXEC, 0)
+	if e != nil {
+		return nil, e
+	}
+	return os.NewFile(uintptr(r), name), nil
+}
+
+func makeInheritSa() *syscall.SecurityAttributes {
+	var sa syscall.SecurityAttributes
+	sa.Length = uint32(unsafe.Sizeof(sa))
+	sa.InheritHandle = 1
+	return &sa
+}
+
+func syscallOpenSequential(path string, mode int, _ uint32) (fd syscall.Handle, err error) {
+	if len(path) == 0 {
+		return syscall.InvalidHandle, syscall.ERROR_FILE_NOT_FOUND
+	}
+	pathp, err := syscall.UTF16PtrFromString(path)
+	if err != nil {
+		return syscall.InvalidHandle, err
+	}
+	var access uint32
+	switch mode & (syscall.O_RDONLY | syscall.O_WRONLY | syscall.O_RDWR) {
+	case syscall.O_RDONLY:
+		access = syscall.GENERIC_READ
+	case syscall.O_WRONLY:
+		access = syscall.GENERIC_WRITE
+	case syscall.O_RDWR:
+		access = syscall.GENERIC_READ | syscall.GENERIC_WRITE
+	}
+	if mode&syscall.O_CREAT != 0 {
+		access |= syscall.GENERIC_WRITE
+	}
+	if mode&syscall.O_APPEND != 0 {
+		access &^= syscall.GENERIC_WRITE
+		access |= syscall.FILE_APPEND_DATA
+	}
+	sharemode := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE)
+	var sa *syscall.SecurityAttributes
+	if mode&syscall.O_CLOEXEC == 0 {
+		sa = makeInheritSa()
+	}
+	var createmode uint32
+	switch {
+	case mode&(syscall.O_CREAT|syscall.O_EXCL) == (syscall.O_CREAT | syscall.O_EXCL):
+		createmode = syscall.CREATE_NEW
+	case mode&(syscall.O_CREAT|syscall.O_TRUNC) == (syscall.O_CREAT | syscall.O_TRUNC):
+		createmode = syscall.CREATE_ALWAYS
+	case mode&syscall.O_CREAT == syscall.O_CREAT:
+		createmode = syscall.OPEN_ALWAYS
+	case mode&syscall.O_TRUNC == syscall.O_TRUNC:
+		createmode = syscall.TRUNCATE_EXISTING
+	default:
+		createmode = syscall.OPEN_EXISTING
+	}
+	// Use FILE_FLAG_SEQUENTIAL_SCAN rather than FILE_ATTRIBUTE_NORMAL as implemented in golang.
+	//https://msdn.microsoft.com/en-us/library/windows/desktop/aa363858(v=vs.85).aspx
+	const fileFlagSequentialScan = 0x08000000 // FILE_FLAG_SEQUENTIAL_SCAN
+	h, e := syscall.CreateFile(pathp, access, sharemode, sa, createmode, fileFlagSequentialScan, 0)
+	return h, e
+}
+
+// ForceRemoveAll is the same as os.RemoveAll, but uses hcsshim.DestroyLayer in order
+// to delete container layers.
+func ForceRemoveAll(path string) error {
+	info := hcsshim.DriverInfo{
+		HomeDir: filepath.Dir(path),
+	}
+
+	return hcsshim.DestroyLayer(info, filepath.Base(path))
+}
diff --git a/vendor/github.com/containerd/containerd/sys/mount_linux.go b/vendor/github.com/containerd/containerd/sys/mount_linux.go
new file mode 100644
index 000000000..a9eee9b73
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/mount_linux.go
@@ -0,0 +1,119 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"runtime"
+	"syscall"
+	"unsafe"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+// FMountat performs mount from the provided directory.
+func FMountat(dirfd uintptr, source, target, fstype string, flags uintptr, data string) error {
+	var (
+		sourceP, targetP, fstypeP, dataP *byte
+		pid                              uintptr
+		ws                               unix.WaitStatus
+		err                              error
+		errno                            syscall.Errno
+	)
+
+	sourceP, err = syscall.BytePtrFromString(source)
+	if err != nil {
+		return err
+	}
+
+	targetP, err = syscall.BytePtrFromString(target)
+	if err != nil {
+		return err
+	}
+
+	fstypeP, err = syscall.BytePtrFromString(fstype)
+	if err != nil {
+		return err
+	}
+
+	if data != "" {
+		dataP, err = syscall.BytePtrFromString(data)
+		if err != nil {
+			return err
+		}
+	}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	pid, errno = forkAndMountat(dirfd,
+		uintptr(unsafe.Pointer(sourceP)),
+		uintptr(unsafe.Pointer(targetP)),
+		uintptr(unsafe.Pointer(fstypeP)),
+		flags,
+		uintptr(unsafe.Pointer(dataP)))
+
+	if errno != 0 {
+		return errors.Wrap(errno, "failed to fork thread")
+	}
+
+	_, err = unix.Wait4(int(pid), &ws, 0, nil)
+	for err == syscall.EINTR {
+		_, err = unix.Wait4(int(pid), &ws, 0, nil)
+	}
+
+	if err != nil {
+		return errors.Wrapf(err, "failed to find pid=%d process", pid)
+	}
+
+	errno = syscall.Errno(ws.ExitStatus())
+	if errno != 0 {
+		return errors.Wrap(errno, "failed to mount")
+	}
+	return nil
+}
+
+// forkAndMountat will fork thread, change working dir and mount.
+//
+// precondition: the runtime OS thread must be locked.
+func forkAndMountat(dirfd uintptr, source, target, fstype, flags, data uintptr) (pid uintptr, errno syscall.Errno) {
+	// block signal during clone
+	beforeFork()
+
+	// the cloned thread shares the open file descriptor, but the thread
+	// never be reused by runtime.
+	pid, _, errno = syscall.RawSyscall6(syscall.SYS_CLONE, uintptr(syscall.SIGCHLD)|syscall.CLONE_FILES, 0, 0, 0, 0, 0)
+	if errno != 0 || pid != 0 {
+		// restore all signals
+		afterFork()
+		return
+	}
+
+	// restore all signals
+	afterForkInChild()
+
+	// change working dir
+	_, _, errno = syscall.RawSyscall(syscall.SYS_FCHDIR, dirfd, 0, 0)
+	if errno != 0 {
+		goto childerr
+	}
+	_, _, errno = syscall.RawSyscall6(syscall.SYS_MOUNT, source, target, fstype, flags, data, 0)
+
+childerr:
+	syscall.RawSyscall(syscall.SYS_EXIT, uintptr(errno), 0, 0)
+	panic("unreachable")
+}
diff --git a/vendor/github.com/containerd/containerd/sys/oom_unix.go b/vendor/github.com/containerd/containerd/sys/oom_unix.go
new file mode 100644
index 000000000..7192efec1
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/oom_unix.go
@@ -0,0 +1,47 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+
+	"github.com/opencontainers/runc/libcontainer/system"
+)
+
+// OOMScoreMaxKillable is the maximum score keeping the process killable by the oom killer
+const OOMScoreMaxKillable = -999
+
+// SetOOMScore sets the oom score for the provided pid
+func SetOOMScore(pid, score int) error {
+	path := fmt.Sprintf("/proc/%d/oom_score_adj", pid)
+	f, err := os.OpenFile(path, os.O_WRONLY, 0)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	if _, err = f.WriteString(strconv.Itoa(score)); err != nil {
+		if os.IsPermission(err) && (system.RunningInUserNS() || RunningUnprivileged()) {
+			return nil
+		}
+		return err
+	}
+	return nil
+}
diff --git a/vendor/github.com/containerd/containerd/sys/oom_windows.go b/vendor/github.com/containerd/containerd/sys/oom_windows.go
new file mode 100644
index 000000000..f44bcebd1
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/oom_windows.go
@@ -0,0 +1,24 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+// SetOOMScore sets the oom score for the process
+//
+// Not implemented on Windows
+func SetOOMScore(pid, score int) error {
+	return nil
+}
diff --git a/vendor/github.com/containerd/containerd/sys/proc.go b/vendor/github.com/containerd/containerd/sys/proc.go
new file mode 100644
index 000000000..496eb1fea
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/proc.go
@@ -0,0 +1,80 @@
+// +build linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/opencontainers/runc/libcontainer/system"
+)
+
+const nanoSecondsPerSecond = 1e9
+
+var clockTicksPerSecond = uint64(system.GetClockTicks())
+
+// GetSystemCPUUsage returns the host system's cpu usage in
+// nanoseconds. An error is returned if the format of the underlying
+// file does not match.
+//
+// Uses /proc/stat defined by POSIX. Looks for the cpu
+// statistics line and then sums up the first seven fields
+// provided. See `man 5 proc` for details on specific field
+// information.
+func GetSystemCPUUsage() (uint64, error) {
+	var line string
+	f, err := os.Open("/proc/stat")
+	if err != nil {
+		return 0, err
+	}
+	bufReader := bufio.NewReaderSize(nil, 128)
+	defer func() {
+		bufReader.Reset(nil)
+		f.Close()
+	}()
+	bufReader.Reset(f)
+	err = nil
+	for err == nil {
+		line, err = bufReader.ReadString('\n')
+		if err != nil {
+			break
+		}
+		parts := strings.Fields(line)
+		switch parts[0] {
+		case "cpu":
+			if len(parts) < 8 {
+				return 0, fmt.Errorf("bad format of cpu stats")
+			}
+			var totalClockTicks uint64
+			for _, i := range parts[1:8] {
+				v, err := strconv.ParseUint(i, 10, 64)
+				if err != nil {
+					return 0, fmt.Errorf("error parsing cpu stats")
+				}
+				totalClockTicks += v
+			}
+			return (totalClockTicks * nanoSecondsPerSecond) /
+				clockTicksPerSecond, nil
+		}
+	}
+	return 0, fmt.Errorf("bad stats format")
+}
diff --git a/vendor/github.com/containerd/containerd/sys/reaper.go b/vendor/github.com/containerd/containerd/sys/reaper.go
new file mode 100644
index 000000000..d08ccccfb
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/reaper.go
@@ -0,0 +1,69 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+// Exit is the wait4 information from an exited process
+type Exit struct {
+	Pid    int
+	Status int
+}
+
+// Reap reaps all child processes for the calling process and returns their
+// exit information
+func Reap(wait bool) (exits []Exit, err error) {
+	var (
+		ws  unix.WaitStatus
+		rus unix.Rusage
+	)
+	flag := unix.WNOHANG
+	if wait {
+		flag = 0
+	}
+	for {
+		pid, err := unix.Wait4(-1, &ws, flag, &rus)
+		if err != nil {
+			if err == unix.ECHILD {
+				return exits, nil
+			}
+			return exits, err
+		}
+		if pid <= 0 {
+			return exits, nil
+		}
+		exits = append(exits, Exit{
+			Pid:    pid,
+			Status: exitStatus(ws),
+		})
+	}
+}
+
+const exitSignalOffset = 128
+
+// exitStatus returns the correct exit status for a process based on if it
+// was signaled or exited cleanly
+func exitStatus(status unix.WaitStatus) int {
+	if status.Signaled() {
+		return exitSignalOffset + int(status.Signal())
+	}
+	return status.ExitStatus()
+}
diff --git a/vendor/github.com/containerd/containerd/sys/reaper_linux.go b/vendor/github.com/containerd/containerd/sys/reaper_linux.go
new file mode 100644
index 000000000..ecb0bd031
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/reaper_linux.go
@@ -0,0 +1,52 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+// If arg2 is nonzero, set the "child subreaper" attribute of the
+// calling process; if arg2 is zero, unset the attribute.  When a
+// process is marked as a child subreaper, all of the children
+// that it creates, and their descendants, will be marked as
+// having a subreaper.  In effect, a subreaper fulfills the role
+// of init(1) for its descendant processes.  Upon termination of
+// a process that is orphaned (i.e., its immediate parent has
+// already terminated) and marked as having a subreaper, the
+// nearest still living ancestor subreaper will receive a SIGCHLD
+// signal and be able to wait(2) on the process to discover its
+// termination status.
+const setChildSubreaper = 36
+
+// SetSubreaper sets the value i as the subreaper setting for the calling process
+func SetSubreaper(i int) error {
+	return unix.Prctl(setChildSubreaper, uintptr(i), 0, 0, 0)
+}
+
+// GetSubreaper returns the subreaper setting for the calling process
+func GetSubreaper() (int, error) {
+	var i uintptr
+
+	if err := unix.Prctl(unix.PR_GET_CHILD_SUBREAPER, uintptr(unsafe.Pointer(&i)), 0, 0, 0); err != nil {
+		return -1, err
+	}
+
+	return int(i), nil
+}
diff --git a/vendor/github.com/containerd/containerd/sys/socket_unix.go b/vendor/github.com/containerd/containerd/sys/socket_unix.go
new file mode 100644
index 000000000..90fa55c48
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/socket_unix.go
@@ -0,0 +1,80 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"net"
+	"os"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+// CreateUnixSocket creates a unix socket and returns the listener
+func CreateUnixSocket(path string) (net.Listener, error) {
+	// BSDs have a 104 limit
+	if len(path) > 104 {
+		return nil, errors.Errorf("%q: unix socket path too long (> 104)", path)
+	}
+	if err := os.MkdirAll(filepath.Dir(path), 0660); err != nil {
+		return nil, err
+	}
+	if err := unix.Unlink(path); err != nil && !os.IsNotExist(err) {
+		return nil, err
+	}
+	return net.Listen("unix", path)
+}
+
+// GetLocalListener returns a listener out of a unix socket.
+func GetLocalListener(path string, uid, gid int) (net.Listener, error) {
+	// Ensure parent directory is created
+	if err := mkdirAs(filepath.Dir(path), uid, gid); err != nil {
+		return nil, err
+	}
+
+	l, err := CreateUnixSocket(path)
+	if err != nil {
+		return l, err
+	}
+
+	if err := os.Chmod(path, 0660); err != nil {
+		l.Close()
+		return nil, err
+	}
+
+	if err := os.Chown(path, uid, gid); err != nil {
+		l.Close()
+		return nil, err
+	}
+
+	return l, nil
+}
+
+func mkdirAs(path string, uid, gid int) error {
+	if _, err := os.Stat(path); err == nil || !os.IsNotExist(err) {
+		return err
+	}
+
+	if err := os.Mkdir(path, 0770); err != nil {
+		return err
+	}
+
+	return os.Chown(path, uid, gid)
+}
diff --git a/vendor/github.com/containerd/containerd/sys/socket_windows.go b/vendor/github.com/containerd/containerd/sys/socket_windows.go
new file mode 100644
index 000000000..3ee7679b4
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/socket_windows.go
@@ -0,0 +1,32 @@
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"net"
+
+	"github.com/Microsoft/go-winio"
+)
+
+// GetLocalListener returns a Listernet out of a named pipe.
+// `path` must be of the form of `\\.\pipe\<pipename>`
+// (see https://msdn.microsoft.com/en-us/library/windows/desktop/aa365150)
+func GetLocalListener(path string, uid, gid int) (net.Listener, error) {
+	return winio.ListenPipe(path, nil)
+}
diff --git a/vendor/github.com/containerd/containerd/sys/stat_bsd.go b/vendor/github.com/containerd/containerd/sys/stat_bsd.go
new file mode 100644
index 000000000..b9c95d90d
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/stat_bsd.go
@@ -0,0 +1,44 @@
+// +build darwin freebsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"syscall"
+	"time"
+)
+
+// StatAtime returns the access time from a stat struct
+func StatAtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Atimespec
+}
+
+// StatCtime returns the created time from a stat struct
+func StatCtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Ctimespec
+}
+
+// StatMtime returns the modified time from a stat struct
+func StatMtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Mtimespec
+}
+
+// StatATimeAsTime returns the access time as a time.Time
+func StatATimeAsTime(st *syscall.Stat_t) time.Time {
+	return time.Unix(int64(st.Atimespec.Sec), int64(st.Atimespec.Nsec)) // nolint: unconvert
+}
diff --git a/vendor/github.com/containerd/containerd/sys/stat_unix.go b/vendor/github.com/containerd/containerd/sys/stat_unix.go
new file mode 100644
index 000000000..21a666dff
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/stat_unix.go
@@ -0,0 +1,44 @@
+// +build linux solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"syscall"
+	"time"
+)
+
+// StatAtime returns the Atim
+func StatAtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Atim
+}
+
+// StatCtime returns the Ctim
+func StatCtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Ctim
+}
+
+// StatMtime returns the Mtim
+func StatMtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Mtim
+}
+
+// StatATimeAsTime returns st.Atim as a time.Time
+func StatATimeAsTime(st *syscall.Stat_t) time.Time {
+	return time.Unix(int64(st.Atim.Sec), int64(st.Atim.Nsec)) // nolint: unconvert
+}
diff --git a/vendor/github.com/containerd/containerd/sys/subprocess_unsafe_linux.go b/vendor/github.com/containerd/containerd/sys/subprocess_unsafe_linux.go
new file mode 100644
index 000000000..6e40a9c7d
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/subprocess_unsafe_linux.go
@@ -0,0 +1,30 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	_ "unsafe" // required for go:linkname.
+)
+
+//go:linkname beforeFork syscall.runtime_BeforeFork
+func beforeFork()
+
+//go:linkname afterFork syscall.runtime_AfterFork
+func afterFork()
+
+//go:linkname afterForkInChild syscall.runtime_AfterForkInChild
+func afterForkInChild()
diff --git a/vendor/github.com/containerd/containerd/sys/subprocess_unsafe_linux.s b/vendor/github.com/containerd/containerd/sys/subprocess_unsafe_linux.s
new file mode 100644
index 000000000..c073fa4ad
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/sys/subprocess_unsafe_linux.s
@@ -0,0 +1,15 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
diff --git a/vendor/github.com/containerd/containerd/vendor.conf b/vendor/github.com/containerd/containerd/vendor.conf
new file mode 100644
index 000000000..dbc3eecd9
--- /dev/null
+++ b/vendor/github.com/containerd/containerd/vendor.conf
@@ -0,0 +1,89 @@
+github.com/containerd/go-runc 5a6d9f37cfa36b15efba46dc7ea349fa9b7143c3
+github.com/containerd/console c12b1e7919c14469339a5d38f2f8ed9b64a9de23
+github.com/containerd/cgroups 5e610833b72089b37d0e615de9a92dfc043757c2
+github.com/containerd/typeurl a93fcdb778cd272c6e9b3028b2f42d813e785d40
+github.com/containerd/fifo 3d5202aec260678c48179c56f40e6f38a095738c
+github.com/containerd/btrfs 2e1aa0ddf94f91fa282b6ed87c23bf0d64911244
+github.com/containerd/continuity bd77b46c8352f74eb12c85bdc01f4b90f69d66b4
+github.com/coreos/go-systemd 48702e0da86bd25e76cfef347e2adeb434a0d0a6
+github.com/docker/go-metrics 4ea375f7759c82740c893fc030bc37088d2ec098
+github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
+github.com/docker/go-units v0.3.1
+github.com/godbus/dbus c7fdd8b5cd55e87b4e1f4e372cdb1db61dd6c66f
+github.com/prometheus/client_golang f4fb1b73fb099f396a7f0036bf86aa8def4ed823
+github.com/prometheus/client_model 99fa1f4be8e564e8a6b613da7fa6f46c9edafc6c
+github.com/prometheus/common 89604d197083d4781071d3c65855d24ecfb0a563
+github.com/prometheus/procfs cb4147076ac75738c9a7d279075a253c0cc5acbd
+github.com/beorn7/perks 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9
+github.com/matttproud/golang_protobuf_extensions v1.0.0
+github.com/gogo/protobuf v1.0.0
+github.com/gogo/googleapis 08a7655d27152912db7aaf4f983275eaf8d128ef
+github.com/golang/protobuf v1.1.0
+github.com/opencontainers/runtime-spec eba862dc2470385a233c7507392675cbeadf7353 # v1.0.1-45-geba862d
+github.com/opencontainers/runc 58592df56734acf62e574865fe40b9e53e967910
+github.com/sirupsen/logrus v1.0.0
+github.com/urfave/cli 7bc6a0acffa589f415f88aca16cc1de5ffd66f9c
+golang.org/x/net b3756b4b77d7b13260a0a2ec658753cf48922eac
+google.golang.org/grpc v1.12.0
+github.com/pkg/errors v0.8.0
+github.com/opencontainers/go-digest c9281466c8b2f606084ac71339773efd177436e7
+golang.org/x/sys 1b2967e3c290b7c545b3db0deeda16e9be4f98a2 https://github.com/golang/sys
+github.com/opencontainers/image-spec v1.0.1
+golang.org/x/sync 450f422ab23cf9881c94e2db30cac0eb1b7cf80c
+github.com/BurntSushi/toml a368813c5e648fee92e5f6c30e3944ff9d5e8895
+github.com/grpc-ecosystem/go-grpc-prometheus 6b7015e65d366bf3f19b2b2a000a831940f0f7e0
+github.com/Microsoft/go-winio v0.4.11
+github.com/Microsoft/hcsshim v0.7.12
+google.golang.org/genproto d80a6e20e776b0b17a324d0ba1ab50a39c8e8944
+golang.org/x/text 19e51611da83d6be54ddafce4a4af510cb3e9ea4
+github.com/containerd/ttrpc 2a805f71863501300ae1976d29f0454ae003e85a
+github.com/syndtr/gocapability db04d3cc01c8b54962a58ec7e491717d06cfcc16
+gotest.tools v2.1.0
+github.com/google/go-cmp v0.1.0
+go.etcd.io/bbolt v1.3.1-etcd.8
+
+# cri dependencies
+github.com/containerd/cri f913714917d2456d7e65a0be84962b1ce8acb487 # release/1.2 branch
+github.com/containerd/go-cni 40bcf8ec8acd7372be1d77031d585d5d8e561c90
+github.com/blang/semver v3.1.0
+github.com/containernetworking/cni v0.6.0
+github.com/containernetworking/plugins v0.7.0
+github.com/davecgh/go-spew v1.1.0
+github.com/docker/distribution b38e5838b7b2f2ad48e06ec4b500011976080621
+github.com/docker/docker 86f080cff0914e9694068ed78d503701667c4c00
+github.com/docker/spdystream 449fdfce4d962303d702fec724ef0ad181c92528
+github.com/emicklei/go-restful v2.2.1
+github.com/ghodss/yaml v1.0.0
+github.com/golang/glog 44145f04b68cf362d9c4df2182967c2275eaefed
+github.com/google/gofuzz 44d81051d367757e1c7c6a5a86423ece9afcf63c
+github.com/hashicorp/errwrap 7554cd9344cec97297fa6649b055a8c98c2a1e55
+github.com/hashicorp/go-multierror ed905158d87462226a13fe39ddf685ea65f1c11f
+github.com/json-iterator/go 1.1.5
+github.com/modern-go/reflect2 1.0.1
+github.com/modern-go/concurrent 1.0.3
+github.com/opencontainers/runtime-tools v0.6.0
+github.com/opencontainers/selinux b6fa367ed7f534f9ba25391cc2d467085dbb445a
+github.com/seccomp/libseccomp-golang 32f571b70023028bd57d9288c20efbcb237f3ce0
+github.com/tchap/go-patricia v2.2.6
+github.com/xeipuuv/gojsonpointer 4e3ac2762d5f479393488629ee9370b50873b3a6
+github.com/xeipuuv/gojsonreference bd5ef7bd5415a7ac448318e64f11a24cd21e594b
+github.com/xeipuuv/gojsonschema 1d523034197ff1f222f6429836dd36a2457a1874
+golang.org/x/crypto 49796115aa4b964c318aad4f3084fdb41e9aa067
+golang.org/x/oauth2 a6bd8cefa1811bd24b86f8902872e4e8225f74c4
+golang.org/x/time f51c12702a4d776e4c1fa9b0fabab841babae631
+gopkg.in/inf.v0 3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4
+gopkg.in/yaml.v2 v2.2.1
+k8s.io/api kubernetes-1.12.0
+k8s.io/apimachinery kubernetes-1.12.0
+k8s.io/apiserver kubernetes-1.12.0
+k8s.io/client-go kubernetes-1.12.0
+k8s.io/kubernetes v1.12.0
+k8s.io/utils cd34563cd63c2bd7c6fe88a73c4dcf34ed8a67cb
+
+# zfs dependencies
+github.com/containerd/zfs 9a0b8b8b5982014b729cd34eb7cd7a11062aa6ec
+github.com/mistifyio/go-zfs 166add352731e515512690329794ee593f1aaff2
+github.com/pborman/uuid c65b2f87fee37d1c7854c9164a450713c28d50cd
+
+# aufs dependencies
+github.com/containerd/aufs ffa39970e26ad01d81f540b21e65f9c1841a5f92
diff --git a/vendor/github.com/containerd/cri/LICENSE b/vendor/github.com/containerd/cri/LICENSE
new file mode 100644
index 000000000..8dada3eda
--- /dev/null
+++ b/vendor/github.com/containerd/cri/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/cri/README.md b/vendor/github.com/containerd/cri/README.md
new file mode 100644
index 000000000..a97c2fe3d
--- /dev/null
+++ b/vendor/github.com/containerd/cri/README.md
@@ -0,0 +1,176 @@
+# cri
+<p align="center">
+<img src="https://kubernetes.io/images/favicon.png" width="50" height="50">
+<img src="https://containerd.io/img/containerd-dark.png" width="200" >
+</p>
+
+*Note: The standalone `cri-containerd` binary is end-of-life. `cri-containerd` is
+transitioning from a standalone binary that talks to containerd to a plugin within
+containerd. This github branch is for the `cri` plugin. See
+[standalone-cri-containerd branch](https://github.com/containerd/cri/tree/standalone-cri-containerd)
+for information about the standalone version of `cri-containerd`.*
+
+*Note: You need to [drain your node](https://kubernetes.io/docs/tasks/administer-cluster/safely-drain-node/) before upgrading from standalone `cri-containerd` to containerd with `cri` plugin.*
+
+[![Build Status](https://api.travis-ci.org/containerd/cri.svg?style=flat-square)](https://travis-ci.org/containerd/cri)
+[![Go Report Card](https://goreportcard.com/badge/github.com/containerd/cri)](https://goreportcard.com/report/github.com/containerd/cri)
+
+`cri` is a [containerd](https://containerd.io/) plugin implementation of Kubernetes [container runtime interface (CRI)](https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/apis/cri/runtime/v1alpha2/api.proto).
+
+With it, you could run Kubernetes using containerd as the container runtime.
+![cri](./docs/cri.png)
+## Current Status
+`cri` is a native plugin of containerd 1.1 and above. It is built into containerd and enabled by default.
+
+`cri` is in GA:
+* It is feature complete.
+* It (the GA version) works with Kubernetes 1.10 and above.
+* It has passed all [CRI validation tests](https://github.com/kubernetes/community/blob/master/contributors/devel/cri-validation.md).
+* It has passed all [node e2e tests](https://github.com/kubernetes/community/blob/master/contributors/devel/e2e-node-tests.md).
+* It has passed all [e2e tests](https://github.com/kubernetes/community/blob/master/contributors/devel/e2e-tests.md).
+
+See [test dashboard](https://k8s-testgrid.appspot.com/sig-node-containerd)
+## Support Metrics
+| CRI-Containerd Version | Containerd Version | Kubernetes Version | CRI Version |
+|:----------------------:|:------------------:|:------------------:|:-----------:|
+|     v1.0.0-alpha.x     |                    |      1.7, 1.8      |   v1alpha1  |
+|      v1.0.0-beta.x     |                    |        1.9         |   v1alpha1  |
+|       End-Of-Life      |        v1.1        |        1.10+       |   v1alpha2  |
+|                        |        HEAD        |        1.10+       |   v1alpha2  |
+
+## Production Quality Cluster on GCE
+For a production quality cluster on GCE brought up with `kube-up.sh` refer [here](docs/kube-up.md).
+## Installing with Ansible and Kubeadm
+For a multi node cluster installer and bring up steps using ansible and kubeadm refer [here](contrib/ansible/README.md).
+## Custom Installation
+For non ansible users, you can download the `cri-containerd` release tarball and deploy
+kubernetes cluster using kubeadm as described [here](docs/installation.md).
+## Getting Started for Developers
+### Binary Dependencies and Specifications
+The current release of the `cri` plugin has the following dependencies:
+* [containerd](https://github.com/containerd/containerd)
+* [runc](https://github.com/opencontainers/runc)
+* [CNI](https://github.com/containernetworking/cni)
+
+See [versions](./vendor.conf) of these dependencies `cri` is tested with.
+
+As containerd and runc move to their respective general availability releases,
+we will do our best to rebase/retest `cri` with these releases on a
+weekly/monthly basis. Similarly, given that `cri` uses the Open
+Container Initiative (OCI) [image](https://github.com/opencontainers/image-spec)
+and [runtime](https://github.com/opencontainers/runtime-spec) specifications, we
+will also do our best to update `cri` to the latest releases of these
+specifications as appropriate.
+### Install Dependencies
+1. Install development libraries:
+* **libseccomp development library.** Required by `cri` and runc seccomp support. `libseccomp-dev` (Ubuntu, Debian) / `libseccomp-devel`
+(Fedora, CentOS, RHEL). On releases of Ubuntu <=Trusty and Debian <=jessie a
+backport version of `libseccomp-dev` is required. See [travis.yml](.travis.yml) for an example on trusty.
+* **btrfs development library.** Required by containerd btrfs support. `btrfs-tools`(Ubuntu, Debian) / `btrfs-progs-devel`(Fedora, CentOS, RHEL)
+2. Install **`socat`** (required by portforward).
+2. Install and setup a go 1.10 development environment.
+3. Make a local clone of this repository.
+4. Install binary dependencies by running the following command from your cloned `cri/` project directory:
+```bash
+# Note: install.deps installs the above mentioned runc, containerd, and CNI
+# binary dependencies. install.deps is only provided for general use and ease of
+# testing. To customize `runc` and `containerd` build tags and/or to configure
+# `cni`, please follow instructions in their documents.
+make install.deps
+```
+### Build and Install `cri`
+To build and install a version of containerd with the `cri` plugin, enter the
+following commands from your `cri` project directory:
+```bash
+make
+sudo make install
+```
+*NOTE: The version of containerd built and installed from the `Makefile` is only for
+testing purposes. The version tag carries the suffix "-TEST".*
+#### Build Tags
+`cri` supports optional build tags for compiling support of various features.
+To add build tags to the make option the `BUILD_TAGS` variable must be set.
+
+```bash
+make BUILD_TAGS='seccomp apparmor'
+```
+
+| Build Tag | Feature                            | Dependency                      |
+|-----------|------------------------------------|---------------------------------|
+| seccomp   | syscall filtering                  | libseccomp development library  |
+| selinux   | selinux process and mount labeling | <none>                          |
+| apparmor  | apparmor profile support           | <none>                          |
+### Validate Your `cri` Setup
+A Kubernetes incubator project called [cri-tools](https://github.com/kubernetes-sigs/cri-tools)
+includes programs for exercising CRI implementations such as the `cri` plugin.
+More importantly, cri-tools includes the program `critest` which is used for running
+[CRI Validation Testing](https://github.com/kubernetes/community/blob/master/contributors/devel/cri-validation.md).
+
+Run the CRI Validation test to validate your installation of `containerd` with `cri` built in:
+```bash
+make test-cri
+```
+### Running a Kubernetes local cluster
+If you already have a working development environment for supported Kubernetes
+version, you can try `cri` in a local cluster:
+
+1. Start the version of `containerd` with `cri` plugin that you built and installed
+above as root in a first terminal:
+```bash
+sudo containerd
+```
+2. From the Kubernetes project directory startup a local cluster using `containerd`:
+```bash
+CONTAINER_RUNTIME=remote CONTAINER_RUNTIME_ENDPOINT='unix:///run/containerd/containerd.sock' ./hack/local-up-cluster.sh
+```
+### Test
+See [here](./docs/testing.md) for information about test.
+## Using crictl
+See [here](./docs/crictl.md) for information about using `crictl` to debug
+pods, containers, and images.
+## Configurations
+See [here](./docs/config.md) for information about how to configure cri plugins
+and [here](https://github.com/containerd/containerd/blob/master/docs/man/containerd-config.1.md)
+for information about how to configure containerd
+## Documentation
+See [here](./docs) for additional documentation.
+## Contributing
+Interested in contributing? Check out the [documentation](./CONTRIBUTING.md).
+
+## Communication
+This project was originally established in April of 2017 in the Kubernetes
+Incubator program. After reaching the Beta stage, In January of 2018, the
+project was merged into [containerd](https://github.com/containerd/containerd).
+
+For async communication and long running discussions please use issues and pull
+requests on this github repo. This will be the best place to discuss design and
+implementation.
+
+For sync communication we have a community slack with a #containerd channel that
+everyone is welcome to join and chat about development.
+
+**Slack:** https://dockr.ly/community
+
+## Other Communications
+As this project is tightly coupled to CRI and CRI-Tools and they are Kubernetes
+projects, some of our project communications take place in the Kubernetes' SIG:
+`sig-node.`
+
+For more information about `sig-node`, `CRI`, and the `CRI-Tools` projects:
+* [sig-node community site](https://github.com/kubernetes/community/tree/master/sig-node)
+* Slack: `#sig-node` channel in Kubernetes (kubernetes.slack.com)
+* Mailing List: https://groups.google.com/forum/#!forum/kubernetes-sig-node
+
+### Reporting Security Issues
+
+__If you are reporting a security issue, please reach out discreetly at security@containerd.io__.
+
+## Licenses
+The containerd codebase is released under the [Apache 2.0 license](https://github.com/containerd/containerd/blob/master/LICENSE.code).
+The README.md file, and files in the "docs" folder are licensed under the
+Creative Commons Attribution 4.0 International License under the terms and
+conditions set forth in the file "[LICENSE.docs](https://github.com/containerd/containerd/blob/master/LICENSE.docs)". You may obtain a duplicate
+copy of the same license, titled CC-BY-4.0, at http://creativecommons.org/licenses/by/4.0/.
+
+## Code of Conduct
+This project follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
diff --git a/vendor/github.com/containerd/cri/pkg/annotations/annotations.go b/vendor/github.com/containerd/cri/pkg/annotations/annotations.go
new file mode 100644
index 000000000..be63ba27a
--- /dev/null
+++ b/vendor/github.com/containerd/cri/pkg/annotations/annotations.go
@@ -0,0 +1,38 @@
+/*
+Copyright 2018 The Containerd Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package annotations
+
+// ContainerType values
+// Following OCI annotations are used by katacontainers now.
+// We'll switch to standard secure pod API after it is defined in CRI.
+const (
+	// ContainerTypeSandbox represents a pod sandbox container
+	ContainerTypeSandbox = "sandbox"
+
+	// ContainerTypeContainer represents a container running within a pod
+	ContainerTypeContainer = "container"
+
+	// ContainerType is the container type (sandbox or container) annotation
+	ContainerType = "io.kubernetes.cri.container-type"
+
+	// SandboxID is the sandbox ID annotation
+	SandboxID = "io.kubernetes.cri.sandbox-id"
+
+	// UntrustedWorkload is the sandbox annotation for untrusted workload. Untrusted
+	// workload can only run on dedicated runtime for untrusted workload.
+	UntrustedWorkload = "io.kubernetes.cri.untrusted-workload"
+)
diff --git a/vendor/github.com/containerd/cri/vendor.conf b/vendor/github.com/containerd/cri/vendor.conf
new file mode 100644
index 000000000..c81758046
--- /dev/null
+++ b/vendor/github.com/containerd/cri/vendor.conf
@@ -0,0 +1,78 @@
+github.com/beorn7/perks 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9
+github.com/blang/semver v3.1.0
+github.com/BurntSushi/toml a368813c5e648fee92e5f6c30e3944ff9d5e8895
+github.com/containerd/cgroups 5e610833b72089b37d0e615de9a92dfc043757c2
+github.com/containerd/console c12b1e7919c14469339a5d38f2f8ed9b64a9de23
+github.com/containerd/containerd 15f19d7a67fa322e6de0ef4c6a1bf9da0f056554
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+github.com/containerd/typeurl a93fcdb778cd272c6e9b3028b2f42d813e785d40
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+github.com/containernetworking/plugins v0.7.0
+github.com/coreos/go-systemd v14
+github.com/davecgh/go-spew v1.1.0
+github.com/docker/distribution b38e5838b7b2f2ad48e06ec4b500011976080621
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+github.com/godbus/dbus v3
+github.com/gogo/googleapis 08a7655d27152912db7aaf4f983275eaf8d128ef
+github.com/gogo/protobuf v1.0.0
+github.com/golang/glog 44145f04b68cf362d9c4df2182967c2275eaefed
+github.com/golang/protobuf v1.1.0
+github.com/google/gofuzz 44d81051d367757e1c7c6a5a86423ece9afcf63c
+github.com/grpc-ecosystem/go-grpc-prometheus v1.1
+github.com/hashicorp/errwrap 7554cd9344cec97297fa6649b055a8c98c2a1e55
+github.com/hashicorp/go-multierror ed905158d87462226a13fe39ddf685ea65f1c11f
+github.com/json-iterator/go 1.1.5
+github.com/matttproud/golang_protobuf_extensions v1.0.0
+github.com/Microsoft/go-winio v0.4.10
+github.com/Microsoft/hcsshim v0.7.6
+github.com/modern-go/concurrent 1.0.3
+github.com/modern-go/reflect2 1.0.1
+github.com/opencontainers/go-digest c9281466c8b2f606084ac71339773efd177436e7
+github.com/opencontainers/image-spec v1.0.1
+github.com/opencontainers/runc 00dc70017d222b178a002ed30e9321b12647af2d
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+github.com/opencontainers/runtime-tools v0.6.0
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+github.com/pkg/errors v0.8.0
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+github.com/seccomp/libseccomp-golang 32f571b70023028bd57d9288c20efbcb237f3ce0
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+golang.org/x/sys 1b2967e3c290b7c545b3db0deeda16e9be4f98a2 https://github.com/golang/sys
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+k8s.io/api kubernetes-1.12.0
+k8s.io/apimachinery kubernetes-1.12.0
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+k8s.io/kubernetes v1.12.0
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diff --git a/vendor/github.com/containerd/fifo/LICENSE b/vendor/github.com/containerd/fifo/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/fifo/fifo.go b/vendor/github.com/containerd/fifo/fifo.go
new file mode 100644
index 000000000..e79813da7
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/fifo.go
@@ -0,0 +1,236 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fifo
+
+import (
+	"io"
+	"os"
+	"runtime"
+	"sync"
+	"syscall"
+
+	"github.com/pkg/errors"
+	"golang.org/x/net/context"
+)
+
+type fifo struct {
+	flag        int
+	opened      chan struct{}
+	closed      chan struct{}
+	closing     chan struct{}
+	err         error
+	file        *os.File
+	closingOnce sync.Once // close has been called
+	closedOnce  sync.Once // fifo is closed
+	handle      *handle
+}
+
+var leakCheckWg *sync.WaitGroup
+
+// OpenFifo opens a fifo. Returns io.ReadWriteCloser.
+// Context can be used to cancel this function until open(2) has not returned.
+// Accepted flags:
+// - syscall.O_CREAT - create new fifo if one doesn't exist
+// - syscall.O_RDONLY - open fifo only from reader side
+// - syscall.O_WRONLY - open fifo only from writer side
+// - syscall.O_RDWR - open fifo from both sides, never block on syscall level
+// - syscall.O_NONBLOCK - return io.ReadWriteCloser even if other side of the
+//     fifo isn't open. read/write will be connected after the actual fifo is
+//     open or after fifo is closed.
+func OpenFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (io.ReadWriteCloser, error) {
+	if _, err := os.Stat(fn); err != nil {
+		if os.IsNotExist(err) && flag&syscall.O_CREAT != 0 {
+			if err := mkfifo(fn, uint32(perm&os.ModePerm)); err != nil && !os.IsExist(err) {
+				return nil, errors.Wrapf(err, "error creating fifo %v", fn)
+			}
+		} else {
+			return nil, err
+		}
+	}
+
+	block := flag&syscall.O_NONBLOCK == 0 || flag&syscall.O_RDWR != 0
+
+	flag &= ^syscall.O_CREAT
+	flag &= ^syscall.O_NONBLOCK
+
+	h, err := getHandle(fn)
+	if err != nil {
+		return nil, err
+	}
+
+	f := &fifo{
+		handle:  h,
+		flag:    flag,
+		opened:  make(chan struct{}),
+		closed:  make(chan struct{}),
+		closing: make(chan struct{}),
+	}
+
+	wg := leakCheckWg
+	if wg != nil {
+		wg.Add(2)
+	}
+
+	go func() {
+		if wg != nil {
+			defer wg.Done()
+		}
+		select {
+		case <-ctx.Done():
+			select {
+			case <-f.opened:
+			default:
+				f.Close()
+			}
+		case <-f.opened:
+		case <-f.closed:
+		}
+	}()
+	go func() {
+		if wg != nil {
+			defer wg.Done()
+		}
+		var file *os.File
+		fn, err := h.Path()
+		if err == nil {
+			file, err = os.OpenFile(fn, flag, 0)
+		}
+		select {
+		case <-f.closing:
+			if err == nil {
+				select {
+				case <-ctx.Done():
+					err = ctx.Err()
+				default:
+					err = errors.Errorf("fifo %v was closed before opening", h.Name())
+				}
+				if file != nil {
+					file.Close()
+				}
+			}
+		default:
+		}
+		if err != nil {
+			f.closedOnce.Do(func() {
+				f.err = err
+				close(f.closed)
+			})
+			return
+		}
+		f.file = file
+		close(f.opened)
+	}()
+	if block {
+		select {
+		case <-f.opened:
+		case <-f.closed:
+			return nil, f.err
+		}
+	}
+	return f, nil
+}
+
+// Read from a fifo to a byte array.
+func (f *fifo) Read(b []byte) (int, error) {
+	if f.flag&syscall.O_WRONLY > 0 {
+		return 0, errors.New("reading from write-only fifo")
+	}
+	select {
+	case <-f.opened:
+		return f.file.Read(b)
+	default:
+	}
+	select {
+	case <-f.opened:
+		return f.file.Read(b)
+	case <-f.closed:
+		return 0, errors.New("reading from a closed fifo")
+	}
+}
+
+// Write from byte array to a fifo.
+func (f *fifo) Write(b []byte) (int, error) {
+	if f.flag&(syscall.O_WRONLY|syscall.O_RDWR) == 0 {
+		return 0, errors.New("writing to read-only fifo")
+	}
+	select {
+	case <-f.opened:
+		return f.file.Write(b)
+	default:
+	}
+	select {
+	case <-f.opened:
+		return f.file.Write(b)
+	case <-f.closed:
+		return 0, errors.New("writing to a closed fifo")
+	}
+}
+
+// Close the fifo. Next reads/writes will error. This method can also be used
+// before open(2) has returned and fifo was never opened.
+func (f *fifo) Close() (retErr error) {
+	for {
+		select {
+		case <-f.closed:
+			f.handle.Close()
+			return
+		default:
+			select {
+			case <-f.opened:
+				f.closedOnce.Do(func() {
+					retErr = f.file.Close()
+					f.err = retErr
+					close(f.closed)
+				})
+			default:
+				if f.flag&syscall.O_RDWR != 0 {
+					runtime.Gosched()
+					break
+				}
+				f.closingOnce.Do(func() {
+					close(f.closing)
+				})
+				reverseMode := syscall.O_WRONLY
+				if f.flag&syscall.O_WRONLY > 0 {
+					reverseMode = syscall.O_RDONLY
+				}
+				fn, err := f.handle.Path()
+				// if Close() is called concurrently(shouldn't) it may cause error
+				// because handle is closed
+				select {
+				case <-f.closed:
+				default:
+					if err != nil {
+						// Path has become invalid. We will leak a goroutine.
+						// This case should not happen in linux.
+						f.closedOnce.Do(func() {
+							f.err = err
+							close(f.closed)
+						})
+						<-f.closed
+						break
+					}
+					f, err := os.OpenFile(fn, reverseMode|syscall.O_NONBLOCK, 0)
+					if err == nil {
+						f.Close()
+					}
+					runtime.Gosched()
+				}
+			}
+		}
+	}
+}
diff --git a/vendor/github.com/containerd/fifo/handle_linux.go b/vendor/github.com/containerd/fifo/handle_linux.go
new file mode 100644
index 000000000..6ac89b6a4
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/handle_linux.go
@@ -0,0 +1,97 @@
+// +build linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fifo
+
+import (
+	"fmt"
+	"os"
+	"sync"
+	"syscall"
+
+	"github.com/pkg/errors"
+)
+
+const O_PATH = 010000000
+
+type handle struct {
+	f         *os.File
+	fd        uintptr
+	dev       uint64
+	ino       uint64
+	closeOnce sync.Once
+	name      string
+}
+
+func getHandle(fn string) (*handle, error) {
+	f, err := os.OpenFile(fn, O_PATH, 0)
+	if err != nil {
+		return nil, errors.Wrapf(err, "failed to open %v with O_PATH", fn)
+	}
+
+	var (
+		stat syscall.Stat_t
+		fd   = f.Fd()
+	)
+	if err := syscall.Fstat(int(fd), &stat); err != nil {
+		f.Close()
+		return nil, errors.Wrapf(err, "failed to stat handle %v", fd)
+	}
+
+	h := &handle{
+		f:    f,
+		name: fn,
+		dev:  uint64(stat.Dev),
+		ino:  stat.Ino,
+		fd:   fd,
+	}
+
+	// check /proc just in case
+	if _, err := os.Stat(h.procPath()); err != nil {
+		f.Close()
+		return nil, errors.Wrapf(err, "couldn't stat %v", h.procPath())
+	}
+
+	return h, nil
+}
+
+func (h *handle) procPath() string {
+	return fmt.Sprintf("/proc/self/fd/%d", h.fd)
+}
+
+func (h *handle) Name() string {
+	return h.name
+}
+
+func (h *handle) Path() (string, error) {
+	var stat syscall.Stat_t
+	if err := syscall.Stat(h.procPath(), &stat); err != nil {
+		return "", errors.Wrapf(err, "path %v could not be statted", h.procPath())
+	}
+	if uint64(stat.Dev) != h.dev || stat.Ino != h.ino {
+		return "", errors.Errorf("failed to verify handle %v/%v %v/%v", stat.Dev, h.dev, stat.Ino, h.ino)
+	}
+	return h.procPath(), nil
+}
+
+func (h *handle) Close() error {
+	h.closeOnce.Do(func() {
+		h.f.Close()
+	})
+	return nil
+}
diff --git a/vendor/github.com/containerd/fifo/handle_nolinux.go b/vendor/github.com/containerd/fifo/handle_nolinux.go
new file mode 100644
index 000000000..4f2a282b2
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/handle_nolinux.go
@@ -0,0 +1,65 @@
+// +build !linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fifo
+
+import (
+	"syscall"
+
+	"github.com/pkg/errors"
+)
+
+type handle struct {
+	fn  string
+	dev uint64
+	ino uint64
+}
+
+func getHandle(fn string) (*handle, error) {
+	var stat syscall.Stat_t
+	if err := syscall.Stat(fn, &stat); err != nil {
+		return nil, errors.Wrapf(err, "failed to stat %v", fn)
+	}
+
+	h := &handle{
+		fn:  fn,
+		dev: uint64(stat.Dev),
+		ino: uint64(stat.Ino),
+	}
+
+	return h, nil
+}
+
+func (h *handle) Path() (string, error) {
+	var stat syscall.Stat_t
+	if err := syscall.Stat(h.fn, &stat); err != nil {
+		return "", errors.Wrapf(err, "path %v could not be statted", h.fn)
+	}
+	if uint64(stat.Dev) != h.dev || uint64(stat.Ino) != h.ino {
+		return "", errors.Errorf("failed to verify handle %v/%v %v/%v for %v", stat.Dev, h.dev, stat.Ino, h.ino, h.fn)
+	}
+	return h.fn, nil
+}
+
+func (h *handle) Name() string {
+	return h.fn
+}
+
+func (h *handle) Close() error {
+	return nil
+}
diff --git a/vendor/github.com/containerd/fifo/mkfifo_nosolaris.go b/vendor/github.com/containerd/fifo/mkfifo_nosolaris.go
new file mode 100644
index 000000000..2799a06d1
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/mkfifo_nosolaris.go
@@ -0,0 +1,25 @@
+// +build !solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fifo
+
+import "syscall"
+
+func mkfifo(path string, mode uint32) (err error) {
+	return syscall.Mkfifo(path, mode)
+}
diff --git a/vendor/github.com/containerd/fifo/mkfifo_solaris.go b/vendor/github.com/containerd/fifo/mkfifo_solaris.go
new file mode 100644
index 000000000..1ecd722ae
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/mkfifo_solaris.go
@@ -0,0 +1,27 @@
+// +build solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fifo
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+func mkfifo(path string, mode uint32) (err error) {
+	return unix.Mkfifo(path, mode)
+}
diff --git a/vendor/github.com/containerd/fifo/readme.md b/vendor/github.com/containerd/fifo/readme.md
new file mode 100644
index 000000000..2b41b3b1c
--- /dev/null
+++ b/vendor/github.com/containerd/fifo/readme.md
@@ -0,0 +1,32 @@
+### fifo
+
+[![Build Status](https://travis-ci.org/containerd/fifo.svg?branch=master)](https://travis-ci.org/containerd/fifo)
+
+Go package for handling fifos in a sane way.
+
+```
+// OpenFifo opens a fifo. Returns io.ReadWriteCloser.
+// Context can be used to cancel this function until open(2) has not returned.
+// Accepted flags:
+// - syscall.O_CREAT - create new fifo if one doesn't exist
+// - syscall.O_RDONLY - open fifo only from reader side
+// - syscall.O_WRONLY - open fifo only from writer side
+// - syscall.O_RDWR - open fifo from both sides, never block on syscall level
+// - syscall.O_NONBLOCK - return io.ReadWriteCloser even if other side of the
+//     fifo isn't open. read/write will be connected after the actual fifo is
+//     open or after fifo is closed.
+func OpenFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (io.ReadWriteCloser, error)
+
+
+// Read from a fifo to a byte array.
+func (f *fifo) Read(b []byte) (int, error)
+
+
+// Write from byte array to a fifo.
+func (f *fifo) Write(b []byte) (int, error)
+
+
+// Close the fifo. Next reads/writes will error. This method can also be used
+// before open(2) has returned and fifo was never opened.
+func (f *fifo) Close() error 
+```
diff --git a/vendor/github.com/containerd/go-runc/LICENSE b/vendor/github.com/containerd/go-runc/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/go-runc/README.md b/vendor/github.com/containerd/go-runc/README.md
new file mode 100644
index 000000000..239601f1e
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/README.md
@@ -0,0 +1,14 @@
+# go-runc
+
+[![Build Status](https://travis-ci.org/containerd/go-runc.svg?branch=master)](https://travis-ci.org/containerd/go-runc)
+
+
+This is a package for consuming the [runc](https://github.com/opencontainers/runc) binary in your Go applications.
+It tries to expose all the settings and features of the runc CLI.  If there is something missing then add it, its opensource!
+
+This needs runc @ [a9610f2c0](https://github.com/opencontainers/runc/commit/a9610f2c0237d2636d05a031ec8659a70e75ffeb)
+or greater.
+
+## Docs
+
+Docs can be found at [godoc.org](https://godoc.org/github.com/containerd/go-runc).
diff --git a/vendor/github.com/containerd/go-runc/command_linux.go b/vendor/github.com/containerd/go-runc/command_linux.go
new file mode 100644
index 000000000..71b52f9de
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/command_linux.go
@@ -0,0 +1,41 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"context"
+	"os"
+	"os/exec"
+	"syscall"
+)
+
+func (r *Runc) command(context context.Context, args ...string) *exec.Cmd {
+	command := r.Command
+	if command == "" {
+		command = DefaultCommand
+	}
+	cmd := exec.CommandContext(context, command, append(r.args(), args...)...)
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		Setpgid: r.Setpgid,
+	}
+	cmd.Env = os.Environ()
+	if r.PdeathSignal != 0 {
+		cmd.SysProcAttr.Pdeathsig = r.PdeathSignal
+	}
+
+	return cmd
+}
diff --git a/vendor/github.com/containerd/go-runc/command_other.go b/vendor/github.com/containerd/go-runc/command_other.go
new file mode 100644
index 000000000..b8fd4b866
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/command_other.go
@@ -0,0 +1,35 @@
+// +build !linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"context"
+	"os"
+	"os/exec"
+)
+
+func (r *Runc) command(context context.Context, args ...string) *exec.Cmd {
+	command := r.Command
+	if command == "" {
+		command = DefaultCommand
+	}
+	cmd := exec.CommandContext(context, command, append(r.args(), args...)...)
+	cmd.Env = os.Environ()
+	return cmd
+}
diff --git a/vendor/github.com/containerd/go-runc/console.go b/vendor/github.com/containerd/go-runc/console.go
new file mode 100644
index 000000000..ff223e427
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/console.go
@@ -0,0 +1,165 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net"
+	"os"
+	"path/filepath"
+
+	"github.com/containerd/console"
+	"golang.org/x/sys/unix"
+)
+
+// NewConsoleSocket creates a new unix socket at the provided path to accept a
+// pty master created by runc for use by the container
+func NewConsoleSocket(path string) (*Socket, error) {
+	abs, err := filepath.Abs(path)
+	if err != nil {
+		return nil, err
+	}
+	addr, err := net.ResolveUnixAddr("unix", abs)
+	if err != nil {
+		return nil, err
+	}
+	l, err := net.ListenUnix("unix", addr)
+	if err != nil {
+		return nil, err
+	}
+	return &Socket{
+		l: l,
+	}, nil
+}
+
+// NewTempConsoleSocket returns a temp console socket for use with a container
+// On Close(), the socket is deleted
+func NewTempConsoleSocket() (*Socket, error) {
+	runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
+	dir, err := ioutil.TempDir(runtimeDir, "pty")
+	if err != nil {
+		return nil, err
+	}
+	abs, err := filepath.Abs(filepath.Join(dir, "pty.sock"))
+	if err != nil {
+		return nil, err
+	}
+	addr, err := net.ResolveUnixAddr("unix", abs)
+	if err != nil {
+		return nil, err
+	}
+	l, err := net.ListenUnix("unix", addr)
+	if err != nil {
+		return nil, err
+	}
+	if runtimeDir != "" {
+		if err := os.Chmod(abs, 0755|os.ModeSticky); err != nil {
+			return nil, err
+		}
+	}
+	return &Socket{
+		l:     l,
+		rmdir: true,
+	}, nil
+}
+
+// Socket is a unix socket that accepts the pty master created by runc
+type Socket struct {
+	rmdir bool
+	l     *net.UnixListener
+}
+
+// Path returns the path to the unix socket on disk
+func (c *Socket) Path() string {
+	return c.l.Addr().String()
+}
+
+// recvFd waits for a file descriptor to be sent over the given AF_UNIX
+// socket. The file name of the remote file descriptor will be recreated
+// locally (it is sent as non-auxiliary data in the same payload).
+func recvFd(socket *net.UnixConn) (*os.File, error) {
+	const MaxNameLen = 4096
+	var oobSpace = unix.CmsgSpace(4)
+
+	name := make([]byte, MaxNameLen)
+	oob := make([]byte, oobSpace)
+
+	n, oobn, _, _, err := socket.ReadMsgUnix(name, oob)
+	if err != nil {
+		return nil, err
+	}
+
+	if n >= MaxNameLen || oobn != oobSpace {
+		return nil, fmt.Errorf("recvfd: incorrect number of bytes read (n=%d oobn=%d)", n, oobn)
+	}
+
+	// Truncate.
+	name = name[:n]
+	oob = oob[:oobn]
+
+	scms, err := unix.ParseSocketControlMessage(oob)
+	if err != nil {
+		return nil, err
+	}
+	if len(scms) != 1 {
+		return nil, fmt.Errorf("recvfd: number of SCMs is not 1: %d", len(scms))
+	}
+	scm := scms[0]
+
+	fds, err := unix.ParseUnixRights(&scm)
+	if err != nil {
+		return nil, err
+	}
+	if len(fds) != 1 {
+		return nil, fmt.Errorf("recvfd: number of fds is not 1: %d", len(fds))
+	}
+	fd := uintptr(fds[0])
+
+	return os.NewFile(fd, string(name)), nil
+}
+
+// ReceiveMaster blocks until the socket receives the pty master
+func (c *Socket) ReceiveMaster() (console.Console, error) {
+	conn, err := c.l.Accept()
+	if err != nil {
+		return nil, err
+	}
+	defer conn.Close()
+	uc, ok := conn.(*net.UnixConn)
+	if !ok {
+		return nil, fmt.Errorf("received connection which was not a unix socket")
+	}
+	f, err := recvFd(uc)
+	if err != nil {
+		return nil, err
+	}
+	return console.ConsoleFromFile(f)
+}
+
+// Close closes the unix socket
+func (c *Socket) Close() error {
+	err := c.l.Close()
+	if c.rmdir {
+		if rerr := os.RemoveAll(filepath.Dir(c.Path())); err == nil {
+			err = rerr
+		}
+	}
+	return err
+}
diff --git a/vendor/github.com/containerd/go-runc/container.go b/vendor/github.com/containerd/go-runc/container.go
new file mode 100644
index 000000000..107381a55
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/container.go
@@ -0,0 +1,30 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import "time"
+
+// Container hold information for a runc container
+type Container struct {
+	ID          string            `json:"id"`
+	Pid         int               `json:"pid"`
+	Status      string            `json:"status"`
+	Bundle      string            `json:"bundle"`
+	Rootfs      string            `json:"rootfs"`
+	Created     time.Time         `json:"created"`
+	Annotations map[string]string `json:"annotations"`
+}
diff --git a/vendor/github.com/containerd/go-runc/events.go b/vendor/github.com/containerd/go-runc/events.go
new file mode 100644
index 000000000..d610aeb34
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/events.go
@@ -0,0 +1,100 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+type Event struct {
+	// Type are the event type generated by runc
+	// If the type is "error" then check the Err field on the event for
+	// the actual error
+	Type  string `json:"type"`
+	ID    string `json:"id"`
+	Stats *Stats `json:"data,omitempty"`
+	// Err has a read error if we were unable to decode the event from runc
+	Err error `json:"-"`
+}
+
+type Stats struct {
+	Cpu     Cpu                `json:"cpu"`
+	Memory  Memory             `json:"memory"`
+	Pids    Pids               `json:"pids"`
+	Blkio   Blkio              `json:"blkio"`
+	Hugetlb map[string]Hugetlb `json:"hugetlb"`
+}
+
+type Hugetlb struct {
+	Usage   uint64 `json:"usage,omitempty"`
+	Max     uint64 `json:"max,omitempty"`
+	Failcnt uint64 `json:"failcnt"`
+}
+
+type BlkioEntry struct {
+	Major uint64 `json:"major,omitempty"`
+	Minor uint64 `json:"minor,omitempty"`
+	Op    string `json:"op,omitempty"`
+	Value uint64 `json:"value,omitempty"`
+}
+
+type Blkio struct {
+	IoServiceBytesRecursive []BlkioEntry `json:"ioServiceBytesRecursive,omitempty"`
+	IoServicedRecursive     []BlkioEntry `json:"ioServicedRecursive,omitempty"`
+	IoQueuedRecursive       []BlkioEntry `json:"ioQueueRecursive,omitempty"`
+	IoServiceTimeRecursive  []BlkioEntry `json:"ioServiceTimeRecursive,omitempty"`
+	IoWaitTimeRecursive     []BlkioEntry `json:"ioWaitTimeRecursive,omitempty"`
+	IoMergedRecursive       []BlkioEntry `json:"ioMergedRecursive,omitempty"`
+	IoTimeRecursive         []BlkioEntry `json:"ioTimeRecursive,omitempty"`
+	SectorsRecursive        []BlkioEntry `json:"sectorsRecursive,omitempty"`
+}
+
+type Pids struct {
+	Current uint64 `json:"current,omitempty"`
+	Limit   uint64 `json:"limit,omitempty"`
+}
+
+type Throttling struct {
+	Periods          uint64 `json:"periods,omitempty"`
+	ThrottledPeriods uint64 `json:"throttledPeriods,omitempty"`
+	ThrottledTime    uint64 `json:"throttledTime,omitempty"`
+}
+
+type CpuUsage struct {
+	// Units: nanoseconds.
+	Total  uint64   `json:"total,omitempty"`
+	Percpu []uint64 `json:"percpu,omitempty"`
+	Kernel uint64   `json:"kernel"`
+	User   uint64   `json:"user"`
+}
+
+type Cpu struct {
+	Usage      CpuUsage   `json:"usage,omitempty"`
+	Throttling Throttling `json:"throttling,omitempty"`
+}
+
+type MemoryEntry struct {
+	Limit   uint64 `json:"limit"`
+	Usage   uint64 `json:"usage,omitempty"`
+	Max     uint64 `json:"max,omitempty"`
+	Failcnt uint64 `json:"failcnt"`
+}
+
+type Memory struct {
+	Cache     uint64            `json:"cache,omitempty"`
+	Usage     MemoryEntry       `json:"usage,omitempty"`
+	Swap      MemoryEntry       `json:"swap,omitempty"`
+	Kernel    MemoryEntry       `json:"kernel,omitempty"`
+	KernelTCP MemoryEntry       `json:"kernelTCP,omitempty"`
+	Raw       map[string]uint64 `json:"raw,omitempty"`
+}
diff --git a/vendor/github.com/containerd/go-runc/io.go b/vendor/github.com/containerd/go-runc/io.go
new file mode 100644
index 000000000..6cf0410c9
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/io.go
@@ -0,0 +1,218 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"io"
+	"os"
+	"os/exec"
+)
+
+type IO interface {
+	io.Closer
+	Stdin() io.WriteCloser
+	Stdout() io.ReadCloser
+	Stderr() io.ReadCloser
+	Set(*exec.Cmd)
+}
+
+type StartCloser interface {
+	CloseAfterStart() error
+}
+
+// IOOpt sets I/O creation options
+type IOOpt func(*IOOption)
+
+// IOOption holds I/O creation options
+type IOOption struct {
+	OpenStdin  bool
+	OpenStdout bool
+	OpenStderr bool
+}
+
+func defaultIOOption() *IOOption {
+	return &IOOption{
+		OpenStdin:  true,
+		OpenStdout: true,
+		OpenStderr: true,
+	}
+}
+
+func newPipe() (*pipe, error) {
+	r, w, err := os.Pipe()
+	if err != nil {
+		return nil, err
+	}
+	return &pipe{
+		r: r,
+		w: w,
+	}, nil
+}
+
+type pipe struct {
+	r *os.File
+	w *os.File
+}
+
+func (p *pipe) Close() error {
+	err := p.w.Close()
+	if rerr := p.r.Close(); err == nil {
+		err = rerr
+	}
+	return err
+}
+
+type pipeIO struct {
+	in  *pipe
+	out *pipe
+	err *pipe
+}
+
+func (i *pipeIO) Stdin() io.WriteCloser {
+	if i.in == nil {
+		return nil
+	}
+	return i.in.w
+}
+
+func (i *pipeIO) Stdout() io.ReadCloser {
+	if i.out == nil {
+		return nil
+	}
+	return i.out.r
+}
+
+func (i *pipeIO) Stderr() io.ReadCloser {
+	if i.err == nil {
+		return nil
+	}
+	return i.err.r
+}
+
+func (i *pipeIO) Close() error {
+	var err error
+	for _, v := range []*pipe{
+		i.in,
+		i.out,
+		i.err,
+	} {
+		if v != nil {
+			if cerr := v.Close(); err == nil {
+				err = cerr
+			}
+		}
+	}
+	return err
+}
+
+func (i *pipeIO) CloseAfterStart() error {
+	for _, f := range []*pipe{
+		i.out,
+		i.err,
+	} {
+		if f != nil {
+			f.w.Close()
+		}
+	}
+	return nil
+}
+
+// Set sets the io to the exec.Cmd
+func (i *pipeIO) Set(cmd *exec.Cmd) {
+	if i.in != nil {
+		cmd.Stdin = i.in.r
+	}
+	if i.out != nil {
+		cmd.Stdout = i.out.w
+	}
+	if i.err != nil {
+		cmd.Stderr = i.err.w
+	}
+}
+
+func NewSTDIO() (IO, error) {
+	return &stdio{}, nil
+}
+
+type stdio struct {
+}
+
+func (s *stdio) Close() error {
+	return nil
+}
+
+func (s *stdio) Set(cmd *exec.Cmd) {
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+}
+
+func (s *stdio) Stdin() io.WriteCloser {
+	return os.Stdin
+}
+
+func (s *stdio) Stdout() io.ReadCloser {
+	return os.Stdout
+}
+
+func (s *stdio) Stderr() io.ReadCloser {
+	return os.Stderr
+}
+
+// NewNullIO returns IO setup for /dev/null use with runc
+func NewNullIO() (IO, error) {
+	f, err := os.Open(os.DevNull)
+	if err != nil {
+		return nil, err
+	}
+	return &nullIO{
+		devNull: f,
+	}, nil
+}
+
+type nullIO struct {
+	devNull *os.File
+}
+
+func (n *nullIO) Close() error {
+	// this should be closed after start but if not
+	// make sure we close the file but don't return the error
+	n.devNull.Close()
+	return nil
+}
+
+func (n *nullIO) Stdin() io.WriteCloser {
+	return nil
+}
+
+func (n *nullIO) Stdout() io.ReadCloser {
+	return nil
+}
+
+func (n *nullIO) Stderr() io.ReadCloser {
+	return nil
+}
+
+func (n *nullIO) Set(c *exec.Cmd) {
+	// don't set STDIN here
+	c.Stdout = n.devNull
+	c.Stderr = n.devNull
+}
+
+func (n *nullIO) CloseAfterStart() error {
+	return n.devNull.Close()
+}
diff --git a/vendor/github.com/containerd/go-runc/io_unix.go b/vendor/github.com/containerd/go-runc/io_unix.go
new file mode 100644
index 000000000..567cd072e
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/io_unix.go
@@ -0,0 +1,76 @@
+// +build !windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+// NewPipeIO creates pipe pairs to be used with runc
+func NewPipeIO(uid, gid int, opts ...IOOpt) (i IO, err error) {
+	option := defaultIOOption()
+	for _, o := range opts {
+		o(option)
+	}
+	var (
+		pipes                 []*pipe
+		stdin, stdout, stderr *pipe
+	)
+	// cleanup in case of an error
+	defer func() {
+		if err != nil {
+			for _, p := range pipes {
+				p.Close()
+			}
+		}
+	}()
+	if option.OpenStdin {
+		if stdin, err = newPipe(); err != nil {
+			return nil, err
+		}
+		pipes = append(pipes, stdin)
+		if err = unix.Fchown(int(stdin.r.Fd()), uid, gid); err != nil {
+			return nil, errors.Wrap(err, "failed to chown stdin")
+		}
+	}
+	if option.OpenStdout {
+		if stdout, err = newPipe(); err != nil {
+			return nil, err
+		}
+		pipes = append(pipes, stdout)
+		if err = unix.Fchown(int(stdout.w.Fd()), uid, gid); err != nil {
+			return nil, errors.Wrap(err, "failed to chown stdout")
+		}
+	}
+	if option.OpenStderr {
+		if stderr, err = newPipe(); err != nil {
+			return nil, err
+		}
+		pipes = append(pipes, stderr)
+		if err = unix.Fchown(int(stderr.w.Fd()), uid, gid); err != nil {
+			return nil, errors.Wrap(err, "failed to chown stderr")
+		}
+	}
+	return &pipeIO{
+		in:  stdin,
+		out: stdout,
+		err: stderr,
+	}, nil
+}
diff --git a/vendor/github.com/containerd/go-runc/io_windows.go b/vendor/github.com/containerd/go-runc/io_windows.go
new file mode 100644
index 000000000..fc56ac4f3
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/io_windows.go
@@ -0,0 +1,62 @@
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+// NewPipeIO creates pipe pairs to be used with runc
+func NewPipeIO(opts ...IOOpt) (i IO, err error) {
+	option := defaultIOOption()
+	for _, o := range opts {
+		o(option)
+	}
+	var (
+		pipes                 []*pipe
+		stdin, stdout, stderr *pipe
+	)
+	// cleanup in case of an error
+	defer func() {
+		if err != nil {
+			for _, p := range pipes {
+				p.Close()
+			}
+		}
+	}()
+	if option.OpenStdin {
+		if stdin, err = newPipe(); err != nil {
+			return nil, err
+		}
+		pipes = append(pipes, stdin)
+	}
+	if option.OpenStdout {
+		if stdout, err = newPipe(); err != nil {
+			return nil, err
+		}
+		pipes = append(pipes, stdout)
+	}
+	if option.OpenStderr {
+		if stderr, err = newPipe(); err != nil {
+			return nil, err
+		}
+		pipes = append(pipes, stderr)
+	}
+	return &pipeIO{
+		in:  stdin,
+		out: stdout,
+		err: stderr,
+	}, nil
+}
diff --git a/vendor/github.com/containerd/go-runc/monitor.go b/vendor/github.com/containerd/go-runc/monitor.go
new file mode 100644
index 000000000..ff06a3fca
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/monitor.go
@@ -0,0 +1,76 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"os/exec"
+	"syscall"
+	"time"
+)
+
+var Monitor ProcessMonitor = &defaultMonitor{}
+
+type Exit struct {
+	Timestamp time.Time
+	Pid       int
+	Status    int
+}
+
+// ProcessMonitor is an interface for process monitoring
+//
+// It allows daemons using go-runc to have a SIGCHLD handler
+// to handle exits without introducing races between the handler
+// and go's exec.Cmd
+// These methods should match the methods exposed by exec.Cmd to provide
+// a consistent experience for the caller
+type ProcessMonitor interface {
+	Start(*exec.Cmd) (chan Exit, error)
+	Wait(*exec.Cmd, chan Exit) (int, error)
+}
+
+type defaultMonitor struct {
+}
+
+func (m *defaultMonitor) Start(c *exec.Cmd) (chan Exit, error) {
+	if err := c.Start(); err != nil {
+		return nil, err
+	}
+	ec := make(chan Exit, 1)
+	go func() {
+		var status int
+		if err := c.Wait(); err != nil {
+			status = 255
+			if exitErr, ok := err.(*exec.ExitError); ok {
+				if ws, ok := exitErr.Sys().(syscall.WaitStatus); ok {
+					status = ws.ExitStatus()
+				}
+			}
+		}
+		ec <- Exit{
+			Timestamp: time.Now(),
+			Pid:       c.Process.Pid,
+			Status:    status,
+		}
+		close(ec)
+	}()
+	return ec, nil
+}
+
+func (m *defaultMonitor) Wait(c *exec.Cmd, ec chan Exit) (int, error) {
+	e := <-ec
+	return e.Status, nil
+}
diff --git a/vendor/github.com/containerd/go-runc/runc.go b/vendor/github.com/containerd/go-runc/runc.go
new file mode 100644
index 000000000..96262afab
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/runc.go
@@ -0,0 +1,707 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"syscall"
+	"time"
+
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+// Format is the type of log formatting options avaliable
+type Format string
+
+// TopBody represents the structured data of the full ps output
+type TopResults struct {
+	// Processes running in the container, where each is process is an array of values corresponding to the headers
+	Processes [][]string `json:"Processes"`
+
+	// Headers are the names of the columns
+	Headers []string `json:"Headers"`
+}
+
+const (
+	none Format = ""
+	JSON Format = "json"
+	Text Format = "text"
+	// DefaultCommand is the default command for Runc
+	DefaultCommand = "runc"
+)
+
+// Runc is the client to the runc cli
+type Runc struct {
+	//If command is empty, DefaultCommand is used
+	Command       string
+	Root          string
+	Debug         bool
+	Log           string
+	LogFormat     Format
+	PdeathSignal  syscall.Signal
+	Setpgid       bool
+	Criu          string
+	SystemdCgroup bool
+	Rootless      *bool // nil stands for "auto"
+}
+
+// List returns all containers created inside the provided runc root directory
+func (r *Runc) List(context context.Context) ([]*Container, error) {
+	data, err := cmdOutput(r.command(context, "list", "--format=json"), false)
+	if err != nil {
+		return nil, err
+	}
+	var out []*Container
+	if err := json.Unmarshal(data, &out); err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// State returns the state for the container provided by id
+func (r *Runc) State(context context.Context, id string) (*Container, error) {
+	data, err := cmdOutput(r.command(context, "state", id), true)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %s", err, data)
+	}
+	var c Container
+	if err := json.Unmarshal(data, &c); err != nil {
+		return nil, err
+	}
+	return &c, nil
+}
+
+type ConsoleSocket interface {
+	Path() string
+}
+
+type CreateOpts struct {
+	IO
+	// PidFile is a path to where a pid file should be created
+	PidFile       string
+	ConsoleSocket ConsoleSocket
+	Detach        bool
+	NoPivot       bool
+	NoNewKeyring  bool
+	ExtraFiles    []*os.File
+}
+
+func (o *CreateOpts) args() (out []string, err error) {
+	if o.PidFile != "" {
+		abs, err := filepath.Abs(o.PidFile)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, "--pid-file", abs)
+	}
+	if o.ConsoleSocket != nil {
+		out = append(out, "--console-socket", o.ConsoleSocket.Path())
+	}
+	if o.NoPivot {
+		out = append(out, "--no-pivot")
+	}
+	if o.NoNewKeyring {
+		out = append(out, "--no-new-keyring")
+	}
+	if o.Detach {
+		out = append(out, "--detach")
+	}
+	if o.ExtraFiles != nil {
+		out = append(out, "--preserve-fds", strconv.Itoa(len(o.ExtraFiles)))
+	}
+	return out, nil
+}
+
+// Create creates a new container and returns its pid if it was created successfully
+func (r *Runc) Create(context context.Context, id, bundle string, opts *CreateOpts) error {
+	args := []string{"create", "--bundle", bundle}
+	if opts != nil {
+		oargs, err := opts.args()
+		if err != nil {
+			return err
+		}
+		args = append(args, oargs...)
+	}
+	cmd := r.command(context, append(args, id)...)
+	if opts != nil && opts.IO != nil {
+		opts.Set(cmd)
+	}
+	cmd.ExtraFiles = opts.ExtraFiles
+
+	if cmd.Stdout == nil && cmd.Stderr == nil {
+		data, err := cmdOutput(cmd, true)
+		if err != nil {
+			return fmt.Errorf("%s: %s", err, data)
+		}
+		return nil
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		return err
+	}
+	if opts != nil && opts.IO != nil {
+		if c, ok := opts.IO.(StartCloser); ok {
+			if err := c.CloseAfterStart(); err != nil {
+				return err
+			}
+		}
+	}
+	status, err := Monitor.Wait(cmd, ec)
+	if err == nil && status != 0 {
+		err = fmt.Errorf("%s did not terminate sucessfully", cmd.Args[0])
+	}
+	return err
+}
+
+// Start will start an already created container
+func (r *Runc) Start(context context.Context, id string) error {
+	return r.runOrError(r.command(context, "start", id))
+}
+
+type ExecOpts struct {
+	IO
+	PidFile       string
+	ConsoleSocket ConsoleSocket
+	Detach        bool
+}
+
+func (o *ExecOpts) args() (out []string, err error) {
+	if o.ConsoleSocket != nil {
+		out = append(out, "--console-socket", o.ConsoleSocket.Path())
+	}
+	if o.Detach {
+		out = append(out, "--detach")
+	}
+	if o.PidFile != "" {
+		abs, err := filepath.Abs(o.PidFile)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, "--pid-file", abs)
+	}
+	return out, nil
+}
+
+// Exec executres and additional process inside the container based on a full
+// OCI Process specification
+func (r *Runc) Exec(context context.Context, id string, spec specs.Process, opts *ExecOpts) error {
+	f, err := ioutil.TempFile(os.Getenv("XDG_RUNTIME_DIR"), "runc-process")
+	if err != nil {
+		return err
+	}
+	defer os.Remove(f.Name())
+	err = json.NewEncoder(f).Encode(spec)
+	f.Close()
+	if err != nil {
+		return err
+	}
+	args := []string{"exec", "--process", f.Name()}
+	if opts != nil {
+		oargs, err := opts.args()
+		if err != nil {
+			return err
+		}
+		args = append(args, oargs...)
+	}
+	cmd := r.command(context, append(args, id)...)
+	if opts != nil && opts.IO != nil {
+		opts.Set(cmd)
+	}
+	if cmd.Stdout == nil && cmd.Stderr == nil {
+		data, err := cmdOutput(cmd, true)
+		if err != nil {
+			return fmt.Errorf("%s: %s", err, data)
+		}
+		return nil
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		return err
+	}
+	if opts != nil && opts.IO != nil {
+		if c, ok := opts.IO.(StartCloser); ok {
+			if err := c.CloseAfterStart(); err != nil {
+				return err
+			}
+		}
+	}
+	status, err := Monitor.Wait(cmd, ec)
+	if err == nil && status != 0 {
+		err = fmt.Errorf("%s did not terminate sucessfully", cmd.Args[0])
+	}
+	return err
+}
+
+// Run runs the create, start, delete lifecycle of the container
+// and returns its exit status after it has exited
+func (r *Runc) Run(context context.Context, id, bundle string, opts *CreateOpts) (int, error) {
+	args := []string{"run", "--bundle", bundle}
+	if opts != nil {
+		oargs, err := opts.args()
+		if err != nil {
+			return -1, err
+		}
+		args = append(args, oargs...)
+	}
+	cmd := r.command(context, append(args, id)...)
+	if opts != nil && opts.IO != nil {
+		opts.Set(cmd)
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		return -1, err
+	}
+	return Monitor.Wait(cmd, ec)
+}
+
+type DeleteOpts struct {
+	Force bool
+}
+
+func (o *DeleteOpts) args() (out []string) {
+	if o.Force {
+		out = append(out, "--force")
+	}
+	return out
+}
+
+// Delete deletes the container
+func (r *Runc) Delete(context context.Context, id string, opts *DeleteOpts) error {
+	args := []string{"delete"}
+	if opts != nil {
+		args = append(args, opts.args()...)
+	}
+	return r.runOrError(r.command(context, append(args, id)...))
+}
+
+// KillOpts specifies options for killing a container and its processes
+type KillOpts struct {
+	All bool
+}
+
+func (o *KillOpts) args() (out []string) {
+	if o.All {
+		out = append(out, "--all")
+	}
+	return out
+}
+
+// Kill sends the specified signal to the container
+func (r *Runc) Kill(context context.Context, id string, sig int, opts *KillOpts) error {
+	args := []string{
+		"kill",
+	}
+	if opts != nil {
+		args = append(args, opts.args()...)
+	}
+	return r.runOrError(r.command(context, append(args, id, strconv.Itoa(sig))...))
+}
+
+// Stats return the stats for a container like cpu, memory, and io
+func (r *Runc) Stats(context context.Context, id string) (*Stats, error) {
+	cmd := r.command(context, "events", "--stats", id)
+	rd, err := cmd.StdoutPipe()
+	if err != nil {
+		return nil, err
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		rd.Close()
+		Monitor.Wait(cmd, ec)
+	}()
+	var e Event
+	if err := json.NewDecoder(rd).Decode(&e); err != nil {
+		return nil, err
+	}
+	return e.Stats, nil
+}
+
+// Events returns an event stream from runc for a container with stats and OOM notifications
+func (r *Runc) Events(context context.Context, id string, interval time.Duration) (chan *Event, error) {
+	cmd := r.command(context, "events", fmt.Sprintf("--interval=%ds", int(interval.Seconds())), id)
+	rd, err := cmd.StdoutPipe()
+	if err != nil {
+		return nil, err
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		rd.Close()
+		return nil, err
+	}
+	var (
+		dec = json.NewDecoder(rd)
+		c   = make(chan *Event, 128)
+	)
+	go func() {
+		defer func() {
+			close(c)
+			rd.Close()
+			Monitor.Wait(cmd, ec)
+		}()
+		for {
+			var e Event
+			if err := dec.Decode(&e); err != nil {
+				if err == io.EOF {
+					return
+				}
+				e = Event{
+					Type: "error",
+					Err:  err,
+				}
+			}
+			c <- &e
+		}
+	}()
+	return c, nil
+}
+
+// Pause the container with the provided id
+func (r *Runc) Pause(context context.Context, id string) error {
+	return r.runOrError(r.command(context, "pause", id))
+}
+
+// Resume the container with the provided id
+func (r *Runc) Resume(context context.Context, id string) error {
+	return r.runOrError(r.command(context, "resume", id))
+}
+
+// Ps lists all the processes inside the container returning their pids
+func (r *Runc) Ps(context context.Context, id string) ([]int, error) {
+	data, err := cmdOutput(r.command(context, "ps", "--format", "json", id), true)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %s", err, data)
+	}
+	var pids []int
+	if err := json.Unmarshal(data, &pids); err != nil {
+		return nil, err
+	}
+	return pids, nil
+}
+
+// Top lists all the processes inside the container returning the full ps data
+func (r *Runc) Top(context context.Context, id string, psOptions string) (*TopResults, error) {
+	data, err := cmdOutput(r.command(context, "ps", "--format", "table", id, psOptions), true)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %s", err, data)
+	}
+
+	topResults, err := ParsePSOutput(data)
+	if err != nil {
+		return nil, fmt.Errorf("%s: ", err)
+	}
+	return topResults, nil
+}
+
+type CheckpointOpts struct {
+	// ImagePath is the path for saving the criu image file
+	ImagePath string
+	// WorkDir is the working directory for criu
+	WorkDir string
+	// ParentPath is the path for previous image files from a pre-dump
+	ParentPath string
+	// AllowOpenTCP allows open tcp connections to be checkpointed
+	AllowOpenTCP bool
+	// AllowExternalUnixSockets allows external unix sockets to be checkpointed
+	AllowExternalUnixSockets bool
+	// AllowTerminal allows the terminal(pty) to be checkpointed with a container
+	AllowTerminal bool
+	// CriuPageServer is the address:port for the criu page server
+	CriuPageServer string
+	// FileLocks handle file locks held by the container
+	FileLocks bool
+	// Cgroups is the cgroup mode for how to handle the checkpoint of a container's cgroups
+	Cgroups CgroupMode
+	// EmptyNamespaces creates a namespace for the container but does not save its properties
+	// Provide the namespaces you wish to be checkpointed without their settings on restore
+	EmptyNamespaces []string
+}
+
+type CgroupMode string
+
+const (
+	Soft   CgroupMode = "soft"
+	Full   CgroupMode = "full"
+	Strict CgroupMode = "strict"
+)
+
+func (o *CheckpointOpts) args() (out []string) {
+	if o.ImagePath != "" {
+		out = append(out, "--image-path", o.ImagePath)
+	}
+	if o.WorkDir != "" {
+		out = append(out, "--work-path", o.WorkDir)
+	}
+	if o.ParentPath != "" {
+		out = append(out, "--parent-path", o.ParentPath)
+	}
+	if o.AllowOpenTCP {
+		out = append(out, "--tcp-established")
+	}
+	if o.AllowExternalUnixSockets {
+		out = append(out, "--ext-unix-sk")
+	}
+	if o.AllowTerminal {
+		out = append(out, "--shell-job")
+	}
+	if o.CriuPageServer != "" {
+		out = append(out, "--page-server", o.CriuPageServer)
+	}
+	if o.FileLocks {
+		out = append(out, "--file-locks")
+	}
+	if string(o.Cgroups) != "" {
+		out = append(out, "--manage-cgroups-mode", string(o.Cgroups))
+	}
+	for _, ns := range o.EmptyNamespaces {
+		out = append(out, "--empty-ns", ns)
+	}
+	return out
+}
+
+type CheckpointAction func([]string) []string
+
+// LeaveRunning keeps the container running after the checkpoint has been completed
+func LeaveRunning(args []string) []string {
+	return append(args, "--leave-running")
+}
+
+// PreDump allows a pre-dump of the checkpoint to be made and completed later
+func PreDump(args []string) []string {
+	return append(args, "--pre-dump")
+}
+
+// Checkpoint allows you to checkpoint a container using criu
+func (r *Runc) Checkpoint(context context.Context, id string, opts *CheckpointOpts, actions ...CheckpointAction) error {
+	args := []string{"checkpoint"}
+	if opts != nil {
+		args = append(args, opts.args()...)
+	}
+	for _, a := range actions {
+		args = a(args)
+	}
+	return r.runOrError(r.command(context, append(args, id)...))
+}
+
+type RestoreOpts struct {
+	CheckpointOpts
+	IO
+
+	Detach        bool
+	PidFile       string
+	NoSubreaper   bool
+	NoPivot       bool
+	ConsoleSocket ConsoleSocket
+}
+
+func (o *RestoreOpts) args() ([]string, error) {
+	out := o.CheckpointOpts.args()
+	if o.Detach {
+		out = append(out, "--detach")
+	}
+	if o.PidFile != "" {
+		abs, err := filepath.Abs(o.PidFile)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, "--pid-file", abs)
+	}
+	if o.ConsoleSocket != nil {
+		out = append(out, "--console-socket", o.ConsoleSocket.Path())
+	}
+	if o.NoPivot {
+		out = append(out, "--no-pivot")
+	}
+	if o.NoSubreaper {
+		out = append(out, "-no-subreaper")
+	}
+	return out, nil
+}
+
+// Restore restores a container with the provide id from an existing checkpoint
+func (r *Runc) Restore(context context.Context, id, bundle string, opts *RestoreOpts) (int, error) {
+	args := []string{"restore"}
+	if opts != nil {
+		oargs, err := opts.args()
+		if err != nil {
+			return -1, err
+		}
+		args = append(args, oargs...)
+	}
+	args = append(args, "--bundle", bundle)
+	cmd := r.command(context, append(args, id)...)
+	if opts != nil && opts.IO != nil {
+		opts.Set(cmd)
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		return -1, err
+	}
+	if opts != nil && opts.IO != nil {
+		if c, ok := opts.IO.(StartCloser); ok {
+			if err := c.CloseAfterStart(); err != nil {
+				return -1, err
+			}
+		}
+	}
+	return Monitor.Wait(cmd, ec)
+}
+
+// Update updates the current container with the provided resource spec
+func (r *Runc) Update(context context.Context, id string, resources *specs.LinuxResources) error {
+	buf := getBuf()
+	defer putBuf(buf)
+
+	if err := json.NewEncoder(buf).Encode(resources); err != nil {
+		return err
+	}
+	args := []string{"update", "--resources", "-", id}
+	cmd := r.command(context, args...)
+	cmd.Stdin = buf
+	return r.runOrError(cmd)
+}
+
+var ErrParseRuncVersion = errors.New("unable to parse runc version")
+
+type Version struct {
+	Runc   string
+	Commit string
+	Spec   string
+}
+
+// Version returns the runc and runtime-spec versions
+func (r *Runc) Version(context context.Context) (Version, error) {
+	data, err := cmdOutput(r.command(context, "--version"), false)
+	if err != nil {
+		return Version{}, err
+	}
+	return parseVersion(data)
+}
+
+func parseVersion(data []byte) (Version, error) {
+	var v Version
+	parts := strings.Split(strings.TrimSpace(string(data)), "\n")
+	if len(parts) != 3 {
+		return v, nil
+	}
+	for i, p := range []struct {
+		dest  *string
+		split string
+	}{
+		{
+			dest:  &v.Runc,
+			split: "version ",
+		},
+		{
+			dest:  &v.Commit,
+			split: ": ",
+		},
+		{
+			dest:  &v.Spec,
+			split: ": ",
+		},
+	} {
+		p2 := strings.Split(parts[i], p.split)
+		if len(p2) != 2 {
+			return v, fmt.Errorf("unable to parse version line %q", parts[i])
+		}
+		*p.dest = p2[1]
+	}
+	return v, nil
+}
+
+func (r *Runc) args() (out []string) {
+	if r.Root != "" {
+		out = append(out, "--root", r.Root)
+	}
+	if r.Debug {
+		out = append(out, "--debug")
+	}
+	if r.Log != "" {
+		out = append(out, "--log", r.Log)
+	}
+	if r.LogFormat != none {
+		out = append(out, "--log-format", string(r.LogFormat))
+	}
+	if r.Criu != "" {
+		out = append(out, "--criu", r.Criu)
+	}
+	if r.SystemdCgroup {
+		out = append(out, "--systemd-cgroup")
+	}
+	if r.Rootless != nil {
+		// nil stands for "auto" (differs from explicit "false")
+		out = append(out, "--rootless="+strconv.FormatBool(*r.Rootless))
+	}
+	return out
+}
+
+// runOrError will run the provided command.  If an error is
+// encountered and neither Stdout or Stderr was set the error and the
+// stderr of the command will be returned in the format of <error>:
+// <stderr>
+func (r *Runc) runOrError(cmd *exec.Cmd) error {
+	if cmd.Stdout != nil || cmd.Stderr != nil {
+		ec, err := Monitor.Start(cmd)
+		if err != nil {
+			return err
+		}
+		status, err := Monitor.Wait(cmd, ec)
+		if err == nil && status != 0 {
+			err = fmt.Errorf("%s did not terminate sucessfully", cmd.Args[0])
+		}
+		return err
+	}
+	data, err := cmdOutput(cmd, true)
+	if err != nil {
+		return fmt.Errorf("%s: %s", err, data)
+	}
+	return nil
+}
+
+func cmdOutput(cmd *exec.Cmd, combined bool) ([]byte, error) {
+	b := getBuf()
+	defer putBuf(b)
+
+	cmd.Stdout = b
+	if combined {
+		cmd.Stderr = b
+	}
+	ec, err := Monitor.Start(cmd)
+	if err != nil {
+		return nil, err
+	}
+
+	status, err := Monitor.Wait(cmd, ec)
+	if err == nil && status != 0 {
+		err = fmt.Errorf("%s did not terminate sucessfully", cmd.Args[0])
+	}
+
+	return b.Bytes(), err
+}
diff --git a/vendor/github.com/containerd/go-runc/utils.go b/vendor/github.com/containerd/go-runc/utils.go
new file mode 100644
index 000000000..69ad6ead7
--- /dev/null
+++ b/vendor/github.com/containerd/go-runc/utils.go
@@ -0,0 +1,107 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runc
+
+import (
+	"bytes"
+	"io/ioutil"
+	"strconv"
+	"strings"
+	"sync"
+	"syscall"
+)
+
+// ReadPidFile reads the pid file at the provided path and returns
+// the pid or an error if the read and conversion is unsuccessful
+func ReadPidFile(path string) (int, error) {
+	data, err := ioutil.ReadFile(path)
+	if err != nil {
+		return -1, err
+	}
+	return strconv.Atoi(string(data))
+}
+
+const exitSignalOffset = 128
+
+// exitStatus returns the correct exit status for a process based on if it
+// was signaled or exited cleanly
+func exitStatus(status syscall.WaitStatus) int {
+	if status.Signaled() {
+		return exitSignalOffset + int(status.Signal())
+	}
+	return status.ExitStatus()
+}
+
+var bytesBufferPool = sync.Pool{
+	New: func() interface{} {
+		return bytes.NewBuffer(nil)
+	},
+}
+
+func getBuf() *bytes.Buffer {
+	return bytesBufferPool.Get().(*bytes.Buffer)
+}
+
+func putBuf(b *bytes.Buffer) {
+	b.Reset()
+	bytesBufferPool.Put(b)
+}
+
+// fieldsASCII is similar to strings.Fields but only allows ASCII whitespaces
+func fieldsASCII(s string) []string {
+	fn := func(r rune) bool {
+		switch r {
+		case '\t', '\n', '\f', '\r', ' ':
+			return true
+		}
+		return false
+	}
+	return strings.FieldsFunc(s, fn)
+}
+
+// ParsePSOutput parses the runtime's ps raw output and returns a TopResults
+func ParsePSOutput(output []byte) (*TopResults, error) {
+	topResults := &TopResults{}
+
+	lines := strings.Split(string(output), "\n")
+	topResults.Headers = fieldsASCII(lines[0])
+
+	pidIndex := -1
+	for i, name := range topResults.Headers {
+		if name == "PID" {
+			pidIndex = i
+		}
+	}
+
+	for _, line := range lines[1:] {
+		if len(line) == 0 {
+			continue
+		}
+
+		fields := fieldsASCII(line)
+
+		if fields[pidIndex] == "-" {
+			continue
+		}
+
+		process := fields[:len(topResults.Headers)-1]
+		process = append(process, strings.Join(fields[len(topResults.Headers)-1:], " "))
+		topResults.Processes = append(topResults.Processes, process)
+
+	}
+	return topResults, nil
+}
diff --git a/vendor/github.com/containerd/ttrpc/LICENSE b/vendor/github.com/containerd/ttrpc/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/ttrpc/README.md b/vendor/github.com/containerd/ttrpc/README.md
new file mode 100644
index 000000000..d1eed6b12
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/README.md
@@ -0,0 +1,52 @@
+# ttrpc
+
+[![Build Status](https://travis-ci.org/containerd/ttrpc.svg?branch=master)](https://travis-ci.org/containerd/ttrpc)
+
+GRPC for low-memory environments.
+
+The existing grpc-go project requires a lot of memory overhead for importing
+packages and at runtime. While this is great for many services with low density
+requirements, this can be a problem when running a large number of services on
+a single machine or on a machine with a small amount of memory.
+
+Using the same GRPC definitions, this project reduces the binary size and
+protocol overhead required. We do this by eliding the `net/http`, `net/http2`
+and `grpc` package used by grpc replacing it with a lightweight framing
+protocol. The result are smaller binaries that use less resident memory with
+the same ease of use as GRPC.
+
+Please note that while this project supports generating either end of the
+protocol, the generated service definitions will be incompatible with regular
+GRPC services, as they do not speak the same protocol.
+
+# Usage
+
+Create a gogo vanity binary (see
+[`cmd/protoc-gen-gogottrpc/main.go`](cmd/protoc-gen-gogottrpc/main.go) for an
+example with the ttrpc plugin enabled.
+
+It's recommended to use [`protobuild`](https://github.com//stevvooe/protobuild)
+to build the protobufs for this project, but this will work with protoc
+directly, if required.
+
+# Differences from GRPC
+
+- The protocol stack has been replaced with a lighter protocol that doesn't
+  require http, http2 and tls.
+- The client and server interface are identical whereas in GRPC there is a
+  client and server interface that are different.
+- The Go stdlib context package is used instead.
+- No support for streams yet.
+
+# Status
+
+Very new. YMMV.
+
+TODO:
+
+- [X] Plumb error codes and GRPC status
+- [X] Remove use of any type and dependency on typeurl package
+- [X] Ensure that protocol can support streaming in the future
+- [ ] Document protocol layout
+- [ ] Add testing under concurrent load to ensure
+- [ ] Verify connection error handling
diff --git a/vendor/github.com/containerd/ttrpc/channel.go b/vendor/github.com/containerd/ttrpc/channel.go
new file mode 100644
index 000000000..22f5496b4
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/channel.go
@@ -0,0 +1,154 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"bufio"
+	"context"
+	"encoding/binary"
+	"io"
+	"net"
+	"sync"
+
+	"github.com/pkg/errors"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+const (
+	messageHeaderLength = 10
+	messageLengthMax    = 4 << 20
+)
+
+type messageType uint8
+
+const (
+	messageTypeRequest  messageType = 0x1
+	messageTypeResponse messageType = 0x2
+)
+
+// messageHeader represents the fixed-length message header of 10 bytes sent
+// with every request.
+type messageHeader struct {
+	Length   uint32      // length excluding this header. b[:4]
+	StreamID uint32      // identifies which request stream message is a part of. b[4:8]
+	Type     messageType // message type b[8]
+	Flags    uint8       // reserved          b[9]
+}
+
+func readMessageHeader(p []byte, r io.Reader) (messageHeader, error) {
+	_, err := io.ReadFull(r, p[:messageHeaderLength])
+	if err != nil {
+		return messageHeader{}, err
+	}
+
+	return messageHeader{
+		Length:   binary.BigEndian.Uint32(p[:4]),
+		StreamID: binary.BigEndian.Uint32(p[4:8]),
+		Type:     messageType(p[8]),
+		Flags:    p[9],
+	}, nil
+}
+
+func writeMessageHeader(w io.Writer, p []byte, mh messageHeader) error {
+	binary.BigEndian.PutUint32(p[:4], mh.Length)
+	binary.BigEndian.PutUint32(p[4:8], mh.StreamID)
+	p[8] = byte(mh.Type)
+	p[9] = mh.Flags
+
+	_, err := w.Write(p[:])
+	return err
+}
+
+var buffers sync.Pool
+
+type channel struct {
+	conn  net.Conn
+	bw    *bufio.Writer
+	br    *bufio.Reader
+	hrbuf [messageHeaderLength]byte // avoid alloc when reading header
+	hwbuf [messageHeaderLength]byte
+}
+
+func newChannel(conn net.Conn) *channel {
+	return &channel{
+		conn: conn,
+		bw:   bufio.NewWriter(conn),
+		br:   bufio.NewReader(conn),
+	}
+}
+
+// recv a message from the channel. The returned buffer contains the message.
+//
+// If a valid grpc status is returned, the message header
+// returned will be valid and caller should send that along to
+// the correct consumer. The bytes on the underlying channel
+// will be discarded.
+func (ch *channel) recv(ctx context.Context) (messageHeader, []byte, error) {
+	mh, err := readMessageHeader(ch.hrbuf[:], ch.br)
+	if err != nil {
+		return messageHeader{}, nil, err
+	}
+
+	if mh.Length > uint32(messageLengthMax) {
+		if _, err := ch.br.Discard(int(mh.Length)); err != nil {
+			return mh, nil, errors.Wrapf(err, "failed to discard after receiving oversized message")
+		}
+
+		return mh, nil, status.Errorf(codes.ResourceExhausted, "message length %v exceed maximum message size of %v", mh.Length, messageLengthMax)
+	}
+
+	p := ch.getmbuf(int(mh.Length))
+	if _, err := io.ReadFull(ch.br, p); err != nil {
+		return messageHeader{}, nil, errors.Wrapf(err, "failed reading message")
+	}
+
+	return mh, p, nil
+}
+
+func (ch *channel) send(ctx context.Context, streamID uint32, t messageType, p []byte) error {
+	if err := writeMessageHeader(ch.bw, ch.hwbuf[:], messageHeader{Length: uint32(len(p)), StreamID: streamID, Type: t}); err != nil {
+		return err
+	}
+
+	_, err := ch.bw.Write(p)
+	if err != nil {
+		return err
+	}
+
+	return ch.bw.Flush()
+}
+
+func (ch *channel) getmbuf(size int) []byte {
+	// we can't use the standard New method on pool because we want to allocate
+	// based on size.
+	b, ok := buffers.Get().(*[]byte)
+	if !ok || cap(*b) < size {
+		// TODO(stevvooe): It may be better to allocate these in fixed length
+		// buckets to reduce fragmentation but its not clear that would help
+		// with performance. An ilogb approach or similar would work well.
+		bb := make([]byte, size)
+		b = &bb
+	} else {
+		*b = (*b)[:size]
+	}
+	return *b
+}
+
+func (ch *channel) putmbuf(p []byte) {
+	buffers.Put(&p)
+}
diff --git a/vendor/github.com/containerd/ttrpc/client.go b/vendor/github.com/containerd/ttrpc/client.go
new file mode 100644
index 000000000..e40592dd7
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/client.go
@@ -0,0 +1,284 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"context"
+	"io"
+	"net"
+	"os"
+	"strings"
+	"sync"
+	"syscall"
+
+	"github.com/gogo/protobuf/proto"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"google.golang.org/grpc/status"
+)
+
+// ErrClosed is returned by client methods when the underlying connection is
+// closed.
+var ErrClosed = errors.New("ttrpc: closed")
+
+type Client struct {
+	codec   codec
+	conn    net.Conn
+	channel *channel
+	calls   chan *callRequest
+
+	closed    chan struct{}
+	closeOnce sync.Once
+	closeFunc func()
+	done      chan struct{}
+	err       error
+}
+
+func NewClient(conn net.Conn) *Client {
+	c := &Client{
+		codec:     codec{},
+		conn:      conn,
+		channel:   newChannel(conn),
+		calls:     make(chan *callRequest),
+		closed:    make(chan struct{}),
+		done:      make(chan struct{}),
+		closeFunc: func() {},
+	}
+
+	go c.run()
+	return c
+}
+
+type callRequest struct {
+	ctx  context.Context
+	req  *Request
+	resp *Response  // response will be written back here
+	errs chan error // error written here on completion
+}
+
+func (c *Client) Call(ctx context.Context, service, method string, req, resp interface{}) error {
+	payload, err := c.codec.Marshal(req)
+	if err != nil {
+		return err
+	}
+
+	var (
+		creq = &Request{
+			Service: service,
+			Method:  method,
+			Payload: payload,
+		}
+
+		cresp = &Response{}
+	)
+
+	if err := c.dispatch(ctx, creq, cresp); err != nil {
+		return err
+	}
+
+	if err := c.codec.Unmarshal(cresp.Payload, resp); err != nil {
+		return err
+	}
+
+	if cresp.Status == nil {
+		return errors.New("no status provided on response")
+	}
+
+	return status.ErrorProto(cresp.Status)
+}
+
+func (c *Client) dispatch(ctx context.Context, req *Request, resp *Response) error {
+	errs := make(chan error, 1)
+	call := &callRequest{
+		req:  req,
+		resp: resp,
+		errs: errs,
+	}
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case c.calls <- call:
+	case <-c.done:
+		return c.err
+	}
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case err := <-errs:
+		return filterCloseErr(err)
+	case <-c.done:
+		return c.err
+	}
+}
+
+func (c *Client) Close() error {
+	c.closeOnce.Do(func() {
+		close(c.closed)
+	})
+
+	return nil
+}
+
+// OnClose allows a close func to be called when the server is closed
+func (c *Client) OnClose(closer func()) {
+	c.closeFunc = closer
+}
+
+type message struct {
+	messageHeader
+	p   []byte
+	err error
+}
+
+func (c *Client) run() {
+	var (
+		streamID    uint32 = 1
+		waiters            = make(map[uint32]*callRequest)
+		calls              = c.calls
+		incoming           = make(chan *message)
+		shutdown           = make(chan struct{})
+		shutdownErr error
+	)
+
+	go func() {
+		defer close(shutdown)
+
+		// start one more goroutine to recv messages without blocking.
+		for {
+			mh, p, err := c.channel.recv(context.TODO())
+			if err != nil {
+				_, ok := status.FromError(err)
+				if !ok {
+					// treat all errors that are not an rpc status as terminal.
+					// all others poison the connection.
+					shutdownErr = err
+					return
+				}
+			}
+			select {
+			case incoming <- &message{
+				messageHeader: mh,
+				p:             p[:mh.Length],
+				err:           err,
+			}:
+			case <-c.done:
+				return
+			}
+		}
+	}()
+
+	defer c.conn.Close()
+	defer close(c.done)
+	defer c.closeFunc()
+
+	for {
+		select {
+		case call := <-calls:
+			if err := c.send(call.ctx, streamID, messageTypeRequest, call.req); err != nil {
+				call.errs <- err
+				continue
+			}
+
+			waiters[streamID] = call
+			streamID += 2 // enforce odd client initiated request ids
+		case msg := <-incoming:
+			call, ok := waiters[msg.StreamID]
+			if !ok {
+				logrus.Errorf("ttrpc: received message for unknown channel %v", msg.StreamID)
+				continue
+			}
+
+			call.errs <- c.recv(call.resp, msg)
+			delete(waiters, msg.StreamID)
+		case <-shutdown:
+			if shutdownErr != nil {
+				shutdownErr = filterCloseErr(shutdownErr)
+			} else {
+				shutdownErr = ErrClosed
+			}
+
+			shutdownErr = errors.Wrapf(shutdownErr, "ttrpc: client shutting down")
+
+			c.err = shutdownErr
+			for _, waiter := range waiters {
+				waiter.errs <- shutdownErr
+			}
+			c.Close()
+			return
+		case <-c.closed:
+			if c.err == nil {
+				c.err = ErrClosed
+			}
+			// broadcast the shutdown error to the remaining waiters.
+			for _, waiter := range waiters {
+				waiter.errs <- c.err
+			}
+			return
+		}
+	}
+}
+
+func (c *Client) send(ctx context.Context, streamID uint32, mtype messageType, msg interface{}) error {
+	p, err := c.codec.Marshal(msg)
+	if err != nil {
+		return err
+	}
+
+	return c.channel.send(ctx, streamID, mtype, p)
+}
+
+func (c *Client) recv(resp *Response, msg *message) error {
+	if msg.err != nil {
+		return msg.err
+	}
+
+	if msg.Type != messageTypeResponse {
+		return errors.New("unkown message type received")
+	}
+
+	defer c.channel.putmbuf(msg.p)
+	return proto.Unmarshal(msg.p, resp)
+}
+
+// filterCloseErr rewrites EOF and EPIPE errors to ErrClosed. Use when
+// returning from call or handling errors from main read loop.
+//
+// This purposely ignores errors with a wrapped cause.
+func filterCloseErr(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	if err == io.EOF {
+		return ErrClosed
+	}
+
+	if strings.Contains(err.Error(), "use of closed network connection") {
+		return ErrClosed
+	}
+
+	// if we have an epipe on a write, we cast to errclosed
+	if oerr, ok := err.(*net.OpError); ok && oerr.Op == "write" {
+		if serr, ok := oerr.Err.(*os.SyscallError); ok && serr.Err == syscall.EPIPE {
+			return ErrClosed
+		}
+	}
+
+	return err
+}
diff --git a/vendor/github.com/containerd/ttrpc/codec.go b/vendor/github.com/containerd/ttrpc/codec.go
new file mode 100644
index 000000000..b4aac2fac
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/codec.go
@@ -0,0 +1,42 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"github.com/gogo/protobuf/proto"
+	"github.com/pkg/errors"
+)
+
+type codec struct{}
+
+func (c codec) Marshal(msg interface{}) ([]byte, error) {
+	switch v := msg.(type) {
+	case proto.Message:
+		return proto.Marshal(v)
+	default:
+		return nil, errors.Errorf("ttrpc: cannot marshal unknown type: %T", msg)
+	}
+}
+
+func (c codec) Unmarshal(p []byte, msg interface{}) error {
+	switch v := msg.(type) {
+	case proto.Message:
+		return proto.Unmarshal(p, v)
+	default:
+		return errors.Errorf("ttrpc: cannot unmarshal into unknown type: %T", msg)
+	}
+}
diff --git a/vendor/github.com/containerd/ttrpc/config.go b/vendor/github.com/containerd/ttrpc/config.go
new file mode 100644
index 000000000..019b7a09d
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/config.go
@@ -0,0 +1,39 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import "github.com/pkg/errors"
+
+type serverConfig struct {
+	handshaker Handshaker
+}
+
+type ServerOpt func(*serverConfig) error
+
+// WithServerHandshaker can be passed to NewServer to ensure that the
+// handshaker is called before every connection attempt.
+//
+// Only one handshaker is allowed per server.
+func WithServerHandshaker(handshaker Handshaker) ServerOpt {
+	return func(c *serverConfig) error {
+		if c.handshaker != nil {
+			return errors.New("only one handshaker allowed per server")
+		}
+		c.handshaker = handshaker
+		return nil
+	}
+}
diff --git a/vendor/github.com/containerd/ttrpc/handshake.go b/vendor/github.com/containerd/ttrpc/handshake.go
new file mode 100644
index 000000000..a424b67a4
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/handshake.go
@@ -0,0 +1,50 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"context"
+	"net"
+)
+
+// Handshaker defines the interface for connection handshakes performed on the
+// server or client when first connecting.
+type Handshaker interface {
+	// Handshake should confirm or decorate a connection that may be incoming
+	// to a server or outgoing from a client.
+	//
+	// If this returns without an error, the caller should use the connection
+	// in place of the original connection.
+	//
+	// The second return value can contain credential specific data, such as
+	// unix socket credentials or TLS information.
+	//
+	// While we currently only have implementations on the server-side, this
+	// interface should be sufficient to implement similar handshakes on the
+	// client-side.
+	Handshake(ctx context.Context, conn net.Conn) (net.Conn, interface{}, error)
+}
+
+type handshakerFunc func(ctx context.Context, conn net.Conn) (net.Conn, interface{}, error)
+
+func (fn handshakerFunc) Handshake(ctx context.Context, conn net.Conn) (net.Conn, interface{}, error) {
+	return fn(ctx, conn)
+}
+
+func noopHandshake(ctx context.Context, conn net.Conn) (net.Conn, interface{}, error) {
+	return conn, nil, nil
+}
diff --git a/vendor/github.com/containerd/ttrpc/server.go b/vendor/github.com/containerd/ttrpc/server.go
new file mode 100644
index 000000000..263cb4583
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/server.go
@@ -0,0 +1,456 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"context"
+	"io"
+	"math/rand"
+	"net"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+var (
+	ErrServerClosed = errors.New("ttrpc: server closed")
+)
+
+type Server struct {
+	config   *serverConfig
+	services *serviceSet
+	codec    codec
+
+	mu          sync.Mutex
+	listeners   map[net.Listener]struct{}
+	connections map[*serverConn]struct{} // all connections to current state
+	done        chan struct{}            // marks point at which we stop serving requests
+}
+
+func NewServer(opts ...ServerOpt) (*Server, error) {
+	config := &serverConfig{}
+	for _, opt := range opts {
+		if err := opt(config); err != nil {
+			return nil, err
+		}
+	}
+
+	return &Server{
+		config:      config,
+		services:    newServiceSet(),
+		done:        make(chan struct{}),
+		listeners:   make(map[net.Listener]struct{}),
+		connections: make(map[*serverConn]struct{}),
+	}, nil
+}
+
+func (s *Server) Register(name string, methods map[string]Method) {
+	s.services.register(name, methods)
+}
+
+func (s *Server) Serve(ctx context.Context, l net.Listener) error {
+	s.addListener(l)
+	defer s.closeListener(l)
+
+	var (
+		backoff    time.Duration
+		handshaker = s.config.handshaker
+	)
+
+	if handshaker == nil {
+		handshaker = handshakerFunc(noopHandshake)
+	}
+
+	for {
+		conn, err := l.Accept()
+		if err != nil {
+			select {
+			case <-s.done:
+				return ErrServerClosed
+			default:
+			}
+
+			if terr, ok := err.(interface {
+				Temporary() bool
+			}); ok && terr.Temporary() {
+				if backoff == 0 {
+					backoff = time.Millisecond
+				} else {
+					backoff *= 2
+				}
+
+				if max := time.Second; backoff > max {
+					backoff = max
+				}
+
+				sleep := time.Duration(rand.Int63n(int64(backoff)))
+				logrus.WithError(err).Errorf("ttrpc: failed accept; backoff %v", sleep)
+				time.Sleep(sleep)
+				continue
+			}
+
+			return err
+		}
+
+		backoff = 0
+
+		approved, handshake, err := handshaker.Handshake(ctx, conn)
+		if err != nil {
+			logrus.WithError(err).Errorf("ttrpc: refusing connection after handshake")
+			conn.Close()
+			continue
+		}
+
+		sc := s.newConn(approved, handshake)
+		go sc.run(ctx)
+	}
+}
+
+func (s *Server) Shutdown(ctx context.Context) error {
+	s.mu.Lock()
+	select {
+	case <-s.done:
+	default:
+		// protected by mutex
+		close(s.done)
+	}
+	lnerr := s.closeListeners()
+	s.mu.Unlock()
+
+	ticker := time.NewTicker(200 * time.Millisecond)
+	defer ticker.Stop()
+	for {
+		if s.closeIdleConns() {
+			return lnerr
+		}
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-ticker.C:
+		}
+	}
+}
+
+// Close the server without waiting for active connections.
+func (s *Server) Close() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	select {
+	case <-s.done:
+	default:
+		// protected by mutex
+		close(s.done)
+	}
+
+	err := s.closeListeners()
+	for c := range s.connections {
+		c.close()
+		delete(s.connections, c)
+	}
+
+	return err
+}
+
+func (s *Server) addListener(l net.Listener) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	s.listeners[l] = struct{}{}
+}
+
+func (s *Server) closeListener(l net.Listener) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	return s.closeListenerLocked(l)
+}
+
+func (s *Server) closeListenerLocked(l net.Listener) error {
+	defer delete(s.listeners, l)
+	return l.Close()
+}
+
+func (s *Server) closeListeners() error {
+	var err error
+	for l := range s.listeners {
+		if cerr := s.closeListenerLocked(l); cerr != nil && err == nil {
+			err = cerr
+		}
+	}
+	return err
+}
+
+func (s *Server) addConnection(c *serverConn) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	s.connections[c] = struct{}{}
+}
+
+func (s *Server) closeIdleConns() bool {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	quiescent := true
+	for c := range s.connections {
+		st, ok := c.getState()
+		if !ok || st != connStateIdle {
+			quiescent = false
+			continue
+		}
+		c.close()
+		delete(s.connections, c)
+	}
+	return quiescent
+}
+
+type connState int
+
+const (
+	connStateActive = iota + 1 // outstanding requests
+	connStateIdle              // no requests
+	connStateClosed            // closed connection
+)
+
+func (cs connState) String() string {
+	switch cs {
+	case connStateActive:
+		return "active"
+	case connStateIdle:
+		return "idle"
+	case connStateClosed:
+		return "closed"
+	default:
+		return "unknown"
+	}
+}
+
+func (s *Server) newConn(conn net.Conn, handshake interface{}) *serverConn {
+	c := &serverConn{
+		server:    s,
+		conn:      conn,
+		handshake: handshake,
+		shutdown:  make(chan struct{}),
+	}
+	c.setState(connStateIdle)
+	s.addConnection(c)
+	return c
+}
+
+type serverConn struct {
+	server    *Server
+	conn      net.Conn
+	handshake interface{} // data from handshake, not used for now
+	state     atomic.Value
+
+	shutdownOnce sync.Once
+	shutdown     chan struct{} // forced shutdown, used by close
+}
+
+func (c *serverConn) getState() (connState, bool) {
+	cs, ok := c.state.Load().(connState)
+	return cs, ok
+}
+
+func (c *serverConn) setState(newstate connState) {
+	c.state.Store(newstate)
+}
+
+func (c *serverConn) close() error {
+	c.shutdownOnce.Do(func() {
+		close(c.shutdown)
+	})
+
+	return nil
+}
+
+func (c *serverConn) run(sctx context.Context) {
+	type (
+		request struct {
+			id  uint32
+			req *Request
+		}
+
+		response struct {
+			id   uint32
+			resp *Response
+		}
+	)
+
+	var (
+		ch          = newChannel(c.conn)
+		ctx, cancel = context.WithCancel(sctx)
+		active      int
+		state       connState = connStateIdle
+		responses             = make(chan response)
+		requests              = make(chan request)
+		recvErr               = make(chan error, 1)
+		shutdown              = c.shutdown
+		done                  = make(chan struct{})
+	)
+
+	defer c.conn.Close()
+	defer cancel()
+	defer close(done)
+
+	go func(recvErr chan error) {
+		defer close(recvErr)
+		sendImmediate := func(id uint32, st *status.Status) bool {
+			select {
+			case responses <- response{
+				// even though we've had an invalid stream id, we send it
+				// back on the same stream id so the client knows which
+				// stream id was bad.
+				id: id,
+				resp: &Response{
+					Status: st.Proto(),
+				},
+			}:
+				return true
+			case <-c.shutdown:
+				return false
+			case <-done:
+				return false
+			}
+		}
+
+		for {
+			select {
+			case <-c.shutdown:
+				return
+			case <-done:
+				return
+			default: // proceed
+			}
+
+			mh, p, err := ch.recv(ctx)
+			if err != nil {
+				status, ok := status.FromError(err)
+				if !ok {
+					recvErr <- err
+					return
+				}
+
+				// in this case, we send an error for that particular message
+				// when the status is defined.
+				if !sendImmediate(mh.StreamID, status) {
+					return
+				}
+
+				continue
+			}
+
+			if mh.Type != messageTypeRequest {
+				// we must ignore this for future compat.
+				continue
+			}
+
+			var req Request
+			if err := c.server.codec.Unmarshal(p, &req); err != nil {
+				ch.putmbuf(p)
+				if !sendImmediate(mh.StreamID, status.Newf(codes.InvalidArgument, "unmarshal request error: %v", err)) {
+					return
+				}
+				continue
+			}
+			ch.putmbuf(p)
+
+			if mh.StreamID%2 != 1 {
+				// enforce odd client initiated identifiers.
+				if !sendImmediate(mh.StreamID, status.Newf(codes.InvalidArgument, "StreamID must be odd for client initiated streams")) {
+					return
+				}
+				continue
+			}
+
+			// Forward the request to the main loop. We don't wait on s.done
+			// because we have already accepted the client request.
+			select {
+			case requests <- request{
+				id:  mh.StreamID,
+				req: &req,
+			}:
+			case <-done:
+				return
+			}
+		}
+	}(recvErr)
+
+	for {
+		newstate := state
+		switch {
+		case active > 0:
+			newstate = connStateActive
+			shutdown = nil
+		case active == 0:
+			newstate = connStateIdle
+			shutdown = c.shutdown // only enable this branch in idle mode
+		}
+
+		if newstate != state {
+			c.setState(newstate)
+			state = newstate
+		}
+
+		select {
+		case request := <-requests:
+			active++
+			go func(id uint32) {
+				p, status := c.server.services.call(ctx, request.req.Service, request.req.Method, request.req.Payload)
+				resp := &Response{
+					Status:  status.Proto(),
+					Payload: p,
+				}
+
+				select {
+				case responses <- response{
+					id:   id,
+					resp: resp,
+				}:
+				case <-done:
+				}
+			}(request.id)
+		case response := <-responses:
+			p, err := c.server.codec.Marshal(response.resp)
+			if err != nil {
+				logrus.WithError(err).Error("failed marshaling response")
+				return
+			}
+
+			if err := ch.send(ctx, response.id, messageTypeResponse, p); err != nil {
+				logrus.WithError(err).Error("failed sending message on channel")
+				return
+			}
+
+			active--
+		case err := <-recvErr:
+			// TODO(stevvooe): Not wildly clear what we should do in this
+			// branch. Basically, it means that we are no longer receiving
+			// requests due to a terminal error.
+			recvErr = nil // connection is now "closing"
+			if err != nil && err != io.EOF {
+				logrus.WithError(err).Error("error receiving message")
+			}
+		case <-shutdown:
+			return
+		}
+	}
+}
diff --git a/vendor/github.com/containerd/ttrpc/services.go b/vendor/github.com/containerd/ttrpc/services.go
new file mode 100644
index 000000000..e90963825
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/services.go
@@ -0,0 +1,150 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"context"
+	"io"
+	"os"
+	"path"
+
+	"github.com/gogo/protobuf/proto"
+	"github.com/pkg/errors"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type Method func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error)
+
+type ServiceDesc struct {
+	Methods map[string]Method
+
+	// TODO(stevvooe): Add stream support.
+}
+
+type serviceSet struct {
+	services map[string]ServiceDesc
+}
+
+func newServiceSet() *serviceSet {
+	return &serviceSet{
+		services: make(map[string]ServiceDesc),
+	}
+}
+
+func (s *serviceSet) register(name string, methods map[string]Method) {
+	if _, ok := s.services[name]; ok {
+		panic(errors.Errorf("duplicate service %v registered", name))
+	}
+
+	s.services[name] = ServiceDesc{
+		Methods: methods,
+	}
+}
+
+func (s *serviceSet) call(ctx context.Context, serviceName, methodName string, p []byte) ([]byte, *status.Status) {
+	p, err := s.dispatch(ctx, serviceName, methodName, p)
+	st, ok := status.FromError(err)
+	if !ok {
+		st = status.New(convertCode(err), err.Error())
+	}
+
+	return p, st
+}
+
+func (s *serviceSet) dispatch(ctx context.Context, serviceName, methodName string, p []byte) ([]byte, error) {
+	method, err := s.resolve(serviceName, methodName)
+	if err != nil {
+		return nil, err
+	}
+
+	unmarshal := func(obj interface{}) error {
+		switch v := obj.(type) {
+		case proto.Message:
+			if err := proto.Unmarshal(p, v); err != nil {
+				return status.Errorf(codes.Internal, "ttrpc: error unmarshaling payload: %v", err.Error())
+			}
+		default:
+			return status.Errorf(codes.Internal, "ttrpc: error unsupported request type: %T", v)
+		}
+		return nil
+	}
+
+	resp, err := method(ctx, unmarshal)
+	if err != nil {
+		return nil, err
+	}
+
+	switch v := resp.(type) {
+	case proto.Message:
+		r, err := proto.Marshal(v)
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "ttrpc: error marshaling payload: %v", err.Error())
+		}
+
+		return r, nil
+	default:
+		return nil, status.Errorf(codes.Internal, "ttrpc: error unsupported response type: %T", v)
+	}
+}
+
+func (s *serviceSet) resolve(service, method string) (Method, error) {
+	srv, ok := s.services[service]
+	if !ok {
+		return nil, status.Errorf(codes.NotFound, "service %v", service)
+	}
+
+	mthd, ok := srv.Methods[method]
+	if !ok {
+		return nil, status.Errorf(codes.NotFound, "method %v", method)
+	}
+
+	return mthd, nil
+}
+
+// convertCode maps stdlib go errors into grpc space.
+//
+// This is ripped from the grpc-go code base.
+func convertCode(err error) codes.Code {
+	switch err {
+	case nil:
+		return codes.OK
+	case io.EOF:
+		return codes.OutOfRange
+	case io.ErrClosedPipe, io.ErrNoProgress, io.ErrShortBuffer, io.ErrShortWrite, io.ErrUnexpectedEOF:
+		return codes.FailedPrecondition
+	case os.ErrInvalid:
+		return codes.InvalidArgument
+	case context.Canceled:
+		return codes.Canceled
+	case context.DeadlineExceeded:
+		return codes.DeadlineExceeded
+	}
+	switch {
+	case os.IsExist(err):
+		return codes.AlreadyExists
+	case os.IsNotExist(err):
+		return codes.NotFound
+	case os.IsPermission(err):
+		return codes.PermissionDenied
+	}
+	return codes.Unknown
+}
+
+func fullPath(service, method string) string {
+	return "/" + path.Join("/", service, method)
+}
diff --git a/vendor/github.com/containerd/ttrpc/types.go b/vendor/github.com/containerd/ttrpc/types.go
new file mode 100644
index 000000000..1f7969e5c
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/types.go
@@ -0,0 +1,42 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"fmt"
+
+	spb "google.golang.org/genproto/googleapis/rpc/status"
+)
+
+type Request struct {
+	Service string `protobuf:"bytes,1,opt,name=service,proto3"`
+	Method  string `protobuf:"bytes,2,opt,name=method,proto3"`
+	Payload []byte `protobuf:"bytes,3,opt,name=payload,proto3"`
+}
+
+func (r *Request) Reset()         { *r = Request{} }
+func (r *Request) String() string { return fmt.Sprintf("%+#v", r) }
+func (r *Request) ProtoMessage()  {}
+
+type Response struct {
+	Status  *spb.Status `protobuf:"bytes,1,opt,name=status,proto3"`
+	Payload []byte      `protobuf:"bytes,2,opt,name=payload,proto3"`
+}
+
+func (r *Response) Reset()         { *r = Response{} }
+func (r *Response) String() string { return fmt.Sprintf("%+#v", r) }
+func (r *Response) ProtoMessage()  {}
diff --git a/vendor/github.com/containerd/ttrpc/unixcreds_linux.go b/vendor/github.com/containerd/ttrpc/unixcreds_linux.go
new file mode 100644
index 000000000..a471bd365
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/unixcreds_linux.go
@@ -0,0 +1,108 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"context"
+	"net"
+	"os"
+	"syscall"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+type UnixCredentialsFunc func(*unix.Ucred) error
+
+func (fn UnixCredentialsFunc) Handshake(ctx context.Context, conn net.Conn) (net.Conn, interface{}, error) {
+	uc, err := requireUnixSocket(conn)
+	if err != nil {
+		return nil, nil, errors.Wrap(err, "ttrpc.UnixCredentialsFunc: require unix socket")
+	}
+
+	rs, err := uc.SyscallConn()
+	if err != nil {
+		return nil, nil, errors.Wrap(err, "ttrpc.UnixCredentialsFunc: (net.UnixConn).SyscallConn failed")
+	}
+	var (
+		ucred    *unix.Ucred
+		ucredErr error
+	)
+	if err := rs.Control(func(fd uintptr) {
+		ucred, ucredErr = unix.GetsockoptUcred(int(fd), unix.SOL_SOCKET, unix.SO_PEERCRED)
+	}); err != nil {
+		return nil, nil, errors.Wrapf(err, "ttrpc.UnixCredentialsFunc: (*syscall.RawConn).Control failed")
+	}
+
+	if ucredErr != nil {
+		return nil, nil, errors.Wrapf(err, "ttrpc.UnixCredentialsFunc: failed to retrieve socket peer credentials")
+	}
+
+	if err := fn(ucred); err != nil {
+		return nil, nil, errors.Wrapf(err, "ttrpc.UnixCredentialsFunc: credential check failed")
+	}
+
+	return uc, ucred, nil
+}
+
+// UnixSocketRequireUidGid requires specific *effective* UID/GID, rather than the real UID/GID.
+//
+// For example, if a daemon binary is owned by the root (UID 0) with SUID bit but running as an
+// unprivileged user (UID 1001), the effective UID becomes 0, and the real UID becomes 1001.
+// So calling this function with uid=0 allows a connection from effective UID 0 but rejects
+// a connection from effective UID 1001.
+//
+// See socket(7), SO_PEERCRED: "The returned credentials are those that were in effect at the time of the call to connect(2) or socketpair(2)."
+func UnixSocketRequireUidGid(uid, gid int) UnixCredentialsFunc {
+	return func(ucred *unix.Ucred) error {
+		return requireUidGid(ucred, uid, gid)
+	}
+}
+
+func UnixSocketRequireRoot() UnixCredentialsFunc {
+	return UnixSocketRequireUidGid(0, 0)
+}
+
+// UnixSocketRequireSameUser resolves the current effective unix user and returns a
+// UnixCredentialsFunc that will validate incoming unix connections against the
+// current credentials.
+//
+// This is useful when using abstract sockets that are accessible by all users.
+func UnixSocketRequireSameUser() UnixCredentialsFunc {
+	euid, egid := os.Geteuid(), os.Getegid()
+	return UnixSocketRequireUidGid(euid, egid)
+}
+
+func requireRoot(ucred *unix.Ucred) error {
+	return requireUidGid(ucred, 0, 0)
+}
+
+func requireUidGid(ucred *unix.Ucred, uid, gid int) error {
+	if (uid != -1 && uint32(uid) != ucred.Uid) || (gid != -1 && uint32(gid) != ucred.Gid) {
+		return errors.Wrap(syscall.EPERM, "ttrpc: invalid credentials")
+	}
+	return nil
+}
+
+func requireUnixSocket(conn net.Conn) (*net.UnixConn, error) {
+	uc, ok := conn.(*net.UnixConn)
+	if !ok {
+		return nil, errors.New("a unix socket connection is required")
+	}
+
+	return uc, nil
+}
diff --git a/vendor/github.com/containerd/typeurl/LICENSE b/vendor/github.com/containerd/typeurl/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/github.com/containerd/typeurl/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/containerd/typeurl/README.md b/vendor/github.com/containerd/typeurl/README.md
new file mode 100644
index 000000000..e0787743c
--- /dev/null
+++ b/vendor/github.com/containerd/typeurl/README.md
@@ -0,0 +1,9 @@
+# typeurl
+
+[![Build Status](https://travis-ci.org/containerd/typeurl.svg?branch=master)](https://travis-ci.org/containerd/typeurl)
+
+[![codecov](https://codecov.io/gh/containerd/typeurl/branch/master/graph/badge.svg)](https://codecov.io/gh/containerd/typeurl)
+
+A Go package for managing the registration, marshaling, and unmarshaling of encoded types.
+
+This package helps when types are sent over a GRPC API and marshaled as a [protobuf.Any]().
diff --git a/vendor/github.com/containerd/typeurl/types.go b/vendor/github.com/containerd/typeurl/types.go
new file mode 100644
index 000000000..153c488d0
--- /dev/null
+++ b/vendor/github.com/containerd/typeurl/types.go
@@ -0,0 +1,158 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package typeurl
+
+import (
+	"encoding/json"
+	"path"
+	"reflect"
+	"sync"
+
+	"github.com/gogo/protobuf/proto"
+	"github.com/gogo/protobuf/types"
+	"github.com/pkg/errors"
+)
+
+var (
+	mu       sync.Mutex
+	registry = make(map[reflect.Type]string)
+)
+
+var ErrNotFound = errors.New("not found")
+
+// Register a type with the base url of the type
+func Register(v interface{}, args ...string) {
+	var (
+		t = tryDereference(v)
+		p = path.Join(args...)
+	)
+	mu.Lock()
+	defer mu.Unlock()
+	if et, ok := registry[t]; ok {
+		if et != p {
+			panic(errors.Errorf("type registred with alternate path %q != %q", et, p))
+		}
+		return
+	}
+	registry[t] = p
+}
+
+// TypeURL returns the type url for a registred type
+func TypeURL(v interface{}) (string, error) {
+	mu.Lock()
+	u, ok := registry[tryDereference(v)]
+	mu.Unlock()
+	if !ok {
+		// fallback to the proto registry if it is a proto message
+		pb, ok := v.(proto.Message)
+		if !ok {
+			return "", errors.Wrapf(ErrNotFound, "type %s", reflect.TypeOf(v))
+		}
+		return proto.MessageName(pb), nil
+	}
+	return u, nil
+}
+
+// Is returns true if the type of the Any is the same as v
+func Is(any *types.Any, v interface{}) bool {
+	// call to check that v is a pointer
+	tryDereference(v)
+	url, err := TypeURL(v)
+	if err != nil {
+		return false
+	}
+	return any.TypeUrl == url
+}
+
+// MarshalAny marshals the value v into an any with the correct TypeUrl
+func MarshalAny(v interface{}) (*types.Any, error) {
+	var marshal func(v interface{}) ([]byte, error)
+	switch t := v.(type) {
+	case *types.Any:
+		// avoid reserializing the type if we have an any.
+		return t, nil
+	case proto.Message:
+		marshal = func(v interface{}) ([]byte, error) {
+			return proto.Marshal(t)
+		}
+	default:
+		marshal = json.Marshal
+	}
+
+	url, err := TypeURL(v)
+	if err != nil {
+		return nil, err
+	}
+
+	data, err := marshal(v)
+	if err != nil {
+		return nil, err
+	}
+	return &types.Any{
+		TypeUrl: url,
+		Value:   data,
+	}, nil
+}
+
+// UnmarshalAny unmarshals the any type into a concrete type
+func UnmarshalAny(any *types.Any) (interface{}, error) {
+	t, err := getTypeByUrl(any.TypeUrl)
+	if err != nil {
+		return nil, err
+	}
+	v := reflect.New(t.t).Interface()
+	if t.isProto {
+		err = proto.Unmarshal(any.Value, v.(proto.Message))
+	} else {
+		err = json.Unmarshal(any.Value, v)
+	}
+	return v, err
+}
+
+type urlType struct {
+	t       reflect.Type
+	isProto bool
+}
+
+func getTypeByUrl(url string) (urlType, error) {
+	for t, u := range registry {
+		if u == url {
+			return urlType{
+				t: t,
+			}, nil
+		}
+	}
+	// fallback to proto registry
+	t := proto.MessageType(url)
+	if t != nil {
+		return urlType{
+			// get the underlying Elem because proto returns a pointer to the type
+			t:       t.Elem(),
+			isProto: true,
+		}, nil
+	}
+	return urlType{}, errors.Wrapf(ErrNotFound, "type with url %s", url)
+}
+
+func tryDereference(v interface{}) reflect.Type {
+	t := reflect.TypeOf(v)
+	if t.Kind() == reflect.Ptr {
+		// require check of pointer but dereference to register
+		return t.Elem()
+	}
+	panic("v is not a pointer to a type")
+}