Merge pull request #22033 from yifan-gu/rkt_get_status

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pkg/kubelet/container/runtime.go

@@ -472,3 +472,12 @@ func ParsePodFullName(podFullName string) (string, string, error) {
 // Option is a functional option type for Runtime, useful for
 // completely optional settings.
 type Option func(Runtime)
+
+// Sort the container statuses by creation time.
+type SortContainerStatusesByCreationTime []*ContainerStatus
+
+func (s SortContainerStatusesByCreationTime) Len() int      { return len(s) }
+func (s SortContainerStatusesByCreationTime) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+func (s SortContainerStatusesByCreationTime) Less(i, j int) bool {
+	return s[i].CreatedAt.Before(s[j].CreatedAt)
+}

pkg/kubelet/kubelet.go

@@ -3312,6 +3312,9 @@ func (kl *Kubelet) convertStatusToAPIStatus(pod *api.Pod, podStatus *kubecontain
 		return status
 	}
 
+	// Make the latest container status comes first.
+	sort.Sort(sort.Reverse(kubecontainer.SortContainerStatusesByCreationTime(podStatus.ContainerStatuses)))
+
 	statuses := make(map[string]*api.ContainerStatus, len(pod.Spec.Containers))
 	// Create a map of expected containers based on the pod spec.
 	expectedContainers := make(map[string]api.Container)

pkg/kubelet/rkt/rkt.go

@@ -1483,9 +1483,3 @@ func (r *Runtime) GetPodStatus(uid types.UID, name, namespace string) (*kubecont
 
 	return podStatus, nil
 }
-
-type sortByRestartCount []*kubecontainer.ContainerStatus
-
-func (s sortByRestartCount) Len() int           { return len(s) }
-func (s sortByRestartCount) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
-func (s sortByRestartCount) Less(i, j int) bool { return s[i].RestartCount < s[j].RestartCount }