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Merge pull request #9749 from dchen1107/podstatus

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Add logging at RunInContainer for future debugging docker exec issues.
This commit is contained in:
Abhi Shah 2015-06-12 17:10:12 -07:00
commit cdef8ae844
1 changed files with 5 additions and 0 deletions
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5
pkg/kubelet/dockertools/manager.go
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@ -910,8 +910,10 @@ func (dm *DockerManager) RunInContainer(containerID string, cmd []string) ([]byt
return nil, err return nil, err
} }
if !useNativeExec { if !useNativeExec {
glog.V(2).Infof("Using nsinit to run the command %+v inside container %s", cmd, containerID)
return dm.runInContainerUsingNsinit(containerID, cmd) return dm.runInContainerUsingNsinit(containerID, cmd)
} }
glog.V(2).Infof("Using docker native exec to run cmd %+v inside container %s", cmd, containerID)
createOpts := docker.CreateExecOptions{ createOpts := docker.CreateExecOptions{
Container: containerID, Container: containerID,
Cmd: cmd, Cmd: cmd,
@ -934,16 +936,19 @@ func (dm *DockerManager) RunInContainer(containerID string, cmd []string) ([]byt
} }
err = dm.client.StartExec(execObj.ID, startOpts) err = dm.client.StartExec(execObj.ID, startOpts)
if err != nil { if err != nil {
glog.V(2).Infof("StartExec With error: %v", err)
return nil, err return nil, err
} }
tick := time.Tick(2 * time.Second) tick := time.Tick(2 * time.Second)
for { for {
inspect, err2 := dm.client.InspectExec(execObj.ID) inspect, err2 := dm.client.InspectExec(execObj.ID)
if err2 != nil { if err2 != nil {
glog.V(2).Infof("InspectExec %s failed with error: %+v", execObj.ID, err2)
return buf.Bytes(), err2 return buf.Bytes(), err2
} }
if !inspect.Running { if !inspect.Running {
if inspect.ExitCode != 0 { if inspect.ExitCode != 0 {
glog.V(2).Infof("InspectExec %s exit with result %+v", execObj.ID, inspect)
err = &dockerExitError{inspect} err = &dockerExitError{inspect}
} }
break break