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-rw-r--r--pkg/shim/runsc/runsc.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/shim/runsc/runsc.go b/pkg/shim/runsc/runsc.go
index c5cf68efa..e7c9640ba 100644
--- a/pkg/shim/runsc/runsc.go
+++ b/pkg/shim/runsc/runsc.go
@@ -28,10 +28,12 @@ import (
"syscall"
"time"
+ "github.com/containerd/containerd/log"
runc "github.com/containerd/go-runc"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
+// Monitor is the default process monitor to be used by runsc.
var Monitor runc.ProcessMonitor = runc.Monitor
// DefaultCommand is the default command for Runsc.
@@ -74,6 +76,7 @@ func (r *Runsc) State(context context.Context, id string) (*runc.Container, erro
return &c, nil
}
+// CreateOpts is a set of options to Runsc.Create().
type CreateOpts struct {
runc.IO
ConsoleSocket runc.ConsoleSocket
@@ -197,6 +200,7 @@ func (r *Runsc) Wait(context context.Context, id string) (int, error) {
return res.ExitStatus, nil
}
+// ExecOpts is a set of options to runsc.Exec().
type ExecOpts struct {
runc.IO
PidFile string
@@ -301,6 +305,7 @@ func (r *Runsc) Run(context context.Context, id, bundle string, opts *CreateOpts
return Monitor.Wait(cmd, ec)
}
+// DeleteOpts is a set of options to runsc.Delete().
type DeleteOpts struct {
Force bool
}
@@ -367,6 +372,13 @@ func (r *Runsc) Stats(context context.Context, id string) (*runc.Stats, error) {
if err := json.NewDecoder(rd).Decode(&e); err != nil {
return nil, err
}
+ log.L.Debugf("Stats returned: %+v", e.Stats)
+ if e.Type != "stats" {
+ return nil, fmt.Errorf(`unexpected event type %q, wanted "stats"`, e.Type)
+ }
+ if e.Stats == nil {
+ return nil, fmt.Errorf(`"runsc events -stat" succeeded but no stat was provided`)
+ }
return e.Stats, nil
}