1 files changed, 0 insertions, 394 deletions
diff --git a/runsc/container/test_app/test_app.go b/runsc/container/test_app/test_app.go
deleted file mode 100644
index 01c47c79f..000000000
--- a/runsc/container/test_app/test_app.go
+++ /dev/null
@@ -1,394 +0,0 @@
-// Copyright 2018 The gVisor 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.
-
-// Binary test_app is like a swiss knife for tests that need to run anything
-// inside the sandbox. New functionality can be added with new commands.
-package main
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"log"
-	"net"
-	"os"
-	"os/exec"
-	"regexp"
-	"strconv"
-	sys "syscall"
-	"time"
-
-	"github.com/google/subcommands"
-	"github.com/kr/pty"
-	"gvisor.dev/gvisor/runsc/flag"
-	"gvisor.dev/gvisor/runsc/testutil"
-)
-
-func main() {
-	subcommands.Register(subcommands.HelpCommand(), "")
-	subcommands.Register(subcommands.FlagsCommand(), "")
-	subcommands.Register(new(capability), "")
-	subcommands.Register(new(fdReceiver), "")
-	subcommands.Register(new(fdSender), "")
-	subcommands.Register(new(forkBomb), "")
-	subcommands.Register(new(ptyRunner), "")
-	subcommands.Register(new(reaper), "")
-	subcommands.Register(new(syscall), "")
-	subcommands.Register(new(taskTree), "")
-	subcommands.Register(new(uds), "")
-
-	flag.Parse()
-
-	exitCode := subcommands.Execute(context.Background())
-	os.Exit(int(exitCode))
-}
-
-type uds struct {
-	fileName   string
-	socketPath string
-}
-
-// Name implements subcommands.Command.Name.
-func (*uds) Name() string {
-	return "uds"
-}
-
-// Synopsis implements subcommands.Command.Synopsys.
-func (*uds) Synopsis() string {
-	return "creates unix domain socket client and server. Client sends a contant flow of sequential numbers. Server prints them to --file"
-}
-
-// Usage implements subcommands.Command.Usage.
-func (*uds) Usage() string {
-	return "uds <flags>"
-}
-
-// SetFlags implements subcommands.Command.SetFlags.
-func (c *uds) SetFlags(f *flag.FlagSet) {
-	f.StringVar(&c.fileName, "file", "", "name of output file")
-	f.StringVar(&c.socketPath, "socket", "", "path to socket")
-}
-
-// Execute implements subcommands.Command.Execute.
-func (c *uds) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
-	if c.fileName == "" || c.socketPath == "" {
-		log.Fatalf("Flags cannot be empty, given: fileName: %q, socketPath: %q", c.fileName, c.socketPath)
-		return subcommands.ExitFailure
-	}
-	outputFile, err := os.OpenFile(c.fileName, os.O_WRONLY|os.O_CREATE, 0666)
-	if err != nil {
-		log.Fatal("error opening output file:", err)
-	}
-
-	defer os.Remove(c.socketPath)
-
-	listener, err := net.Listen("unix", c.socketPath)
-	if err != nil {
-		log.Fatal("error listening on socket %q:", c.socketPath, err)
-	}
-
-	go server(listener, outputFile)
-	for i := 0; ; i++ {
-		conn, err := net.Dial("unix", c.socketPath)
-		if err != nil {
-			log.Fatal("error dialing:", err)
-		}
-		if _, err := conn.Write([]byte(strconv.Itoa(i))); err != nil {
-			log.Fatal("error writing:", err)
-		}
-		conn.Close()
-		time.Sleep(100 * time.Millisecond)
-	}
-}
-
-func server(listener net.Listener, out *os.File) {
-	buf := make([]byte, 16)
-
-	for {
-		c, err := listener.Accept()
-		if err != nil {
-			log.Fatal("error accepting connection:", err)
-		}
-		nr, err := c.Read(buf)
-		if err != nil {
-			log.Fatal("error reading from buf:", err)
-		}
-		data := buf[0:nr]
-		fmt.Fprint(out, string(data)+"\n")
-	}
-}
-
-type taskTree struct {
-	depth int
-	width int
-	pause bool
-}
-
-// Name implements subcommands.Command.
-func (*taskTree) Name() string {
-	return "task-tree"
-}
-
-// Synopsis implements subcommands.Command.
-func (*taskTree) Synopsis() string {
-	return "creates a tree of tasks"
-}
-
-// Usage implements subcommands.Command.
-func (*taskTree) Usage() string {
-	return "task-tree <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (c *taskTree) SetFlags(f *flag.FlagSet) {
-	f.IntVar(&c.depth, "depth", 1, "number of levels to create")
-	f.IntVar(&c.width, "width", 1, "number of tasks at each level")
-	f.BoolVar(&c.pause, "pause", false, "whether the tasks should pause perpetually")
-}
-
-// Execute implements subcommands.Command.
-func (c *taskTree) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
-	stop := testutil.StartReaper()
-	defer stop()
-
-	if c.depth == 0 {
-		log.Printf("Child sleeping, PID: %d\n", os.Getpid())
-		select {}
-	}
-	log.Printf("Parent %d sleeping, PID: %d\n", c.depth, os.Getpid())
-
-	var cmds []*exec.Cmd
-	for i := 0; i < c.width; i++ {
-		cmd := exec.Command(
-			"/proc/self/exe", c.Name(),
-			"--depth", strconv.Itoa(c.depth-1),
-			"--width", strconv.Itoa(c.width),
-			"--pause", strconv.FormatBool(c.pause))
-		cmd.Stdout = os.Stdout
-		cmd.Stderr = os.Stderr
-
-		if err := cmd.Start(); err != nil {
-			log.Fatal("failed to call self:", err)
-		}
-		cmds = append(cmds, cmd)
-	}
-
-	for _, c := range cmds {
-		c.Wait()
-	}
-
-	if c.pause {
-		select {}
-	}
-
-	return subcommands.ExitSuccess
-}
-
-type forkBomb struct {
-	delay time.Duration
-}
-
-// Name implements subcommands.Command.
-func (*forkBomb) Name() string {
-	return "fork-bomb"
-}
-
-// Synopsis implements subcommands.Command.
-func (*forkBomb) Synopsis() string {
-	return "creates child process until the end of times"
-}
-
-// Usage implements subcommands.Command.
-func (*forkBomb) Usage() string {
-	return "fork-bomb <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (c *forkBomb) SetFlags(f *flag.FlagSet) {
-	f.DurationVar(&c.delay, "delay", 100*time.Millisecond, "amount of time to delay creation of child")
-}
-
-// Execute implements subcommands.Command.
-func (c *forkBomb) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
-	time.Sleep(c.delay)
-
-	cmd := exec.Command("/proc/self/exe", c.Name())
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	if err := cmd.Run(); err != nil {
-		log.Fatal("failed to call self:", err)
-	}
-	return subcommands.ExitSuccess
-}
-
-type reaper struct{}
-
-// Name implements subcommands.Command.
-func (*reaper) Name() string {
-	return "reaper"
-}
-
-// Synopsis implements subcommands.Command.
-func (*reaper) Synopsis() string {
-	return "reaps all children in a loop"
-}
-
-// Usage implements subcommands.Command.
-func (*reaper) Usage() string {
-	return "reaper <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (*reaper) SetFlags(*flag.FlagSet) {}
-
-// Execute implements subcommands.Command.
-func (c *reaper) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
-	stop := testutil.StartReaper()
-	defer stop()
-	select {}
-}
-
-type syscall struct {
-	sysno uint64
-}
-
-// Name implements subcommands.Command.
-func (*syscall) Name() string {
-	return "syscall"
-}
-
-// Synopsis implements subcommands.Command.
-func (*syscall) Synopsis() string {
-	return "syscall makes a syscall"
-}
-
-// Usage implements subcommands.Command.
-func (*syscall) Usage() string {
-	return "syscall <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (s *syscall) SetFlags(f *flag.FlagSet) {
-	f.Uint64Var(&s.sysno, "syscall", 0, "syscall to call")
-}
-
-// Execute implements subcommands.Command.
-func (s *syscall) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
-	if _, _, errno := sys.Syscall(uintptr(s.sysno), 0, 0, 0); errno != 0 {
-		fmt.Printf("syscall(%d, 0, 0...) failed: %v\n", s.sysno, errno)
-	} else {
-		fmt.Printf("syscall(%d, 0, 0...) success\n", s.sysno)
-	}
-	return subcommands.ExitSuccess
-}
-
-type capability struct {
-	enabled  uint64
-	disabled uint64
-}
-
-// Name implements subcommands.Command.
-func (*capability) Name() string {
-	return "capability"
-}
-
-// Synopsis implements subcommands.Command.
-func (*capability) Synopsis() string {
-	return "checks if effective capabilities are set/unset"
-}
-
-// Usage implements subcommands.Command.
-func (*capability) Usage() string {
-	return "capability [--enabled=number] [--disabled=number]"
-}
-
-// SetFlags implements subcommands.Command.
-func (c *capability) SetFlags(f *flag.FlagSet) {
-	f.Uint64Var(&c.enabled, "enabled", 0, "")
-	f.Uint64Var(&c.disabled, "disabled", 0, "")
-}
-
-// Execute implements subcommands.Command.
-func (c *capability) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
-	if c.enabled == 0 && c.disabled == 0 {
-		fmt.Println("One of the flags must be set")
-		return subcommands.ExitUsageError
-	}
-
-	status, err := ioutil.ReadFile("/proc/self/status")
-	if err != nil {
-		fmt.Printf("Error reading %q: %v\n", "proc/self/status", err)
-		return subcommands.ExitFailure
-	}
-	re := regexp.MustCompile("CapEff:\t([0-9a-f]+)\n")
-	matches := re.FindStringSubmatch(string(status))
-	if matches == nil || len(matches) != 2 {
-		fmt.Printf("Effective capabilities not found in\n%s\n", status)
-		return subcommands.ExitFailure
-	}
-	caps, err := strconv.ParseUint(matches[1], 16, 64)
-	if err != nil {
-		fmt.Printf("failed to convert capabilities %q: %v\n", matches[1], err)
-		return subcommands.ExitFailure
-	}
-
-	if c.enabled != 0 && (caps&c.enabled) != c.enabled {
-		fmt.Printf("Missing capabilities, want: %#x: got: %#x\n", c.enabled, caps)
-		return subcommands.ExitFailure
-	}
-	if c.disabled != 0 && (caps&c.disabled) != 0 {
-		fmt.Printf("Extra capabilities found, dont_want: %#x: got: %#x\n", c.disabled, caps)
-		return subcommands.ExitFailure
-	}
-
-	return subcommands.ExitSuccess
-}
-
-type ptyRunner struct{}
-
-// Name implements subcommands.Command.
-func (*ptyRunner) Name() string {
-	return "pty-runner"
-}
-
-// Synopsis implements subcommands.Command.
-func (*ptyRunner) Synopsis() string {
-	return "runs the given command with an open pty terminal"
-}
-
-// Usage implements subcommands.Command.
-func (*ptyRunner) Usage() string {
-	return "pty-runner [command]"
-}
-
-// SetFlags implements subcommands.Command.SetFlags.
-func (*ptyRunner) SetFlags(f *flag.FlagSet) {}
-
-// Execute implements subcommands.Command.
-func (*ptyRunner) Execute(_ context.Context, fs *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
-	c := exec.Command(fs.Args()[0], fs.Args()[1:]...)
-	f, err := pty.Start(c)
-	if err != nil {
-		fmt.Printf("pty.Start failed: %v", err)
-		return subcommands.ExitFailure
-	}
-	defer f.Close()
-
-	// Copy stdout from the command to keep this process alive until the
-	// subprocess exits.
-	io.Copy(os.Stdout, f)
-
-	return subcommands.ExitSuccess
-}