Merge pull request #59537 from hanxiaoshuai/fixtodo0208

Automatic merge from submit-queue (batch tested with PRs 61124, 59537, 61235, 61258, 61114). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

fix todo:add function getFailContainer to report which containers failed the pod

**What this PR does / why we need it**:
fix todo:add function getFailContainer to report which containers failed the pod in runonce.go
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-03-21 08:39:16 -07:00 committed by GitHub
commit eda4fdb769
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@ -91,8 +91,12 @@ func (kl *Kubelet) runOnce(pods []*v1.Pod, retryDelay time.Duration) (results []
res := <-ch
results = append(results, res)
if res.Err != nil {
// TODO(proppy): report which containers failed the pod.
glog.Infof("failed to start pod %q: %v", format.Pod(res.Pod), res.Err)
faliedContainerName, err := kl.getFailedContainers(res.Pod)
if err != nil {
glog.Infof("unable to get failed containers' names for pod %q, error:%v", format.Pod(res.Pod), err)
} else {
glog.Infof("unable to start pod %q because container:%v failed", format.Pod(res.Pod), faliedContainerName)
}
failedPods = append(failedPods, format.Pod(res.Pod))
} else {
glog.Infof("started pod %q", format.Pod(res.Pod))
@ -156,3 +160,18 @@ func (kl *Kubelet) isPodRunning(pod *v1.Pod, status *kubecontainer.PodStatus) bo
}
return true
}
// getFailedContainer returns failed container name for pod.
func (kl *Kubelet) getFailedContainers(pod *v1.Pod) ([]string, error) {
status, err := kl.containerRuntime.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
if err != nil {
return nil, fmt.Errorf("unable to get status for pod %q: %v", format.Pod(pod), err)
}
var containerNames []string
for _, cs := range status.ContainerStatuses {
if cs.State != kubecontainer.ContainerStateRunning && cs.ExitCode != 0 {
containerNames = append(containerNames, cs.Name)
}
}
return containerNames, nil
}