summaryrefslogtreecommitdiffhomepage
path: root/runsc/sandbox/sandbox.go
diff options
context:
space:
mode:
Diffstat (limited to 'runsc/sandbox/sandbox.go')
-rw-r--r--runsc/sandbox/sandbox.go108
1 files changed, 106 insertions, 2 deletions
diff --git a/runsc/sandbox/sandbox.go b/runsc/sandbox/sandbox.go
index 5fb7dc834..9fbce6bd6 100644
--- a/runsc/sandbox/sandbox.go
+++ b/runsc/sandbox/sandbox.go
@@ -35,10 +35,12 @@ import (
"gvisor.dev/gvisor/pkg/control/client"
"gvisor.dev/gvisor/pkg/control/server"
"gvisor.dev/gvisor/pkg/coverage"
+ "gvisor.dev/gvisor/pkg/eventchannel"
"gvisor.dev/gvisor/pkg/log"
"gvisor.dev/gvisor/pkg/sentry/control"
"gvisor.dev/gvisor/pkg/sentry/platform"
"gvisor.dev/gvisor/pkg/sync"
+ "gvisor.dev/gvisor/pkg/unet"
"gvisor.dev/gvisor/pkg/urpc"
"gvisor.dev/gvisor/runsc/boot"
"gvisor.dev/gvisor/runsc/boot/platforms"
@@ -981,7 +983,7 @@ func (s *Sandbox) Pause(cid string) error {
}
defer conn.Close()
- if err := conn.Call(boot.ContMgrPause, nil, nil); err != nil {
+ if err := conn.Call(boot.LifecyclePause, nil, nil); err != nil {
return fmt.Errorf("pausing container %q: %v", cid, err)
}
return nil
@@ -996,12 +998,114 @@ func (s *Sandbox) Resume(cid string) error {
}
defer conn.Close()
- if err := conn.Call(boot.ContMgrResume, nil, nil); err != nil {
+ if err := conn.Call(boot.LifecycleResume, nil, nil); err != nil {
return fmt.Errorf("resuming container %q: %v", cid, err)
}
return nil
}
+// Cat sends the cat call for a container in the sandbox.
+func (s *Sandbox) Cat(cid string, files []string, out *os.File) error {
+ log.Debugf("Cat sandbox %q", s.ID)
+ conn, err := s.sandboxConnect()
+ if err != nil {
+ return err
+ }
+ defer conn.Close()
+
+ if err := conn.Call(boot.FsCat, &control.CatOpts{
+ Files: files,
+ FilePayload: urpc.FilePayload{Files: []*os.File{out}},
+ }, nil); err != nil {
+ return fmt.Errorf("Cat container %q: %v", cid, err)
+ }
+ return nil
+}
+
+// Usage sends the collect call for a container in the sandbox.
+func (s *Sandbox) Usage(cid string, Full bool) (control.MemoryUsage, error) {
+ log.Debugf("Usage sandbox %q", s.ID)
+ conn, err := s.sandboxConnect()
+ if err != nil {
+ return control.MemoryUsage{}, err
+ }
+ defer conn.Close()
+
+ var m control.MemoryUsage
+ err = conn.Call(boot.UsageCollect, &control.MemoryUsageOpts{
+ Full: Full,
+ }, &m)
+ return m, err
+}
+
+// UsageFD sends the usagefd call for a container in the sandbox.
+func (s *Sandbox) UsageFD(cid string) (*control.MemoryUsageRecord, error) {
+ log.Debugf("Usage sandbox %q", s.ID)
+ conn, err := s.sandboxConnect()
+ if err != nil {
+ return nil, err
+ }
+ defer conn.Close()
+
+ var m control.MemoryUsageFile
+ if err := conn.Call(boot.UsageUsageFD, &control.MemoryUsageFileOpts{
+ Version: 1,
+ }, &m); err != nil {
+ return nil, fmt.Errorf("UsageFD failed: %v", err)
+ }
+
+ if len(m.FilePayload.Files) != 2 {
+ return nil, fmt.Errorf("wants exactly two fds")
+ }
+
+ return control.NewMemoryUsageRecord(*m.FilePayload.Files[0], *m.FilePayload.Files[1])
+}
+
+// Reduce sends the reduce call for a container in the sandbox.
+func (s *Sandbox) Reduce(cid string, wait bool) error {
+ log.Debugf("Reduce sandbox %q", s.ID)
+ conn, err := s.sandboxConnect()
+ if err != nil {
+ return err
+ }
+ defer conn.Close()
+
+ return conn.Call(boot.UsageReduce, &control.UsageReduceOpts{
+ Wait: wait,
+ }, nil)
+}
+
+// Stream sends the AttachDebugEmitter call for a container in the sandbox, and
+// dumps filtered events to out.
+func (s *Sandbox) Stream(cid string, filters []string, out *os.File) error {
+ log.Debugf("Stream sandbox %q", s.ID)
+ conn, err := s.sandboxConnect()
+ if err != nil {
+ return err
+ }
+ defer conn.Close()
+
+ r, w, err := unet.SocketPair(false)
+ if err != nil {
+ return err
+ }
+
+ wfd, err := w.Release()
+ if err != nil {
+ return fmt.Errorf("failed to release write socket FD: %v", err)
+ }
+
+ if err := conn.Call(boot.EventsAttachDebugEmitter, &control.EventsOpts{
+ FilePayload: urpc.FilePayload{Files: []*os.File{
+ os.NewFile(uintptr(wfd), "event sink"),
+ }},
+ }, nil); err != nil {
+ return fmt.Errorf("AttachDebugEmitter failed: %v", err)
+ }
+
+ return eventchannel.ProcessAll(r, filters, out)
+}
+
// IsRunning returns true if the sandbox or gofer process is running.
func (s *Sandbox) IsRunning() bool {
if s.Pid != 0 {