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Fix and improve comments on kubelet metrics

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This commit is contained in:
Yuan Chen
2021-10-21 13:42:59 -07:00
parent d3350f45e5
commit b99495d1d9
2 changed files with 8 additions and 6 deletions
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5
pkg/kubelet/kubelet.go
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@@ -1542,7 +1542,7 @@ func (kl *Kubelet) syncPod(ctx context.Context, updateType kubetypes.SyncPodType
defer klog.V(4).InfoS("syncPod exit", "pod", klog.KObj(pod), "podUID", pod.UID)
// Latency measurements for the main workflow are relative to the
// first time the pod was seen by the API server.
// first time the pod was seen by kubelet.
var firstSeenTime time.Time
if firstSeenTimeStr, ok := pod.Annotations[kubetypes.ConfigFirstSeenAnnotationKey]; ok {
firstSeenTime = kubetypes.ConvertToTimestamp(firstSeenTimeStr).Get()
@@ -1601,7 +1601,8 @@ func (kl *Kubelet) syncPod(ctx context.Context, updateType kubetypes.SyncPodType
}
}
// Record the time it takes for the pod to become running.
// Record the time it takes for the pod to become running
// since kubelet first saw the pod if firstSeenTime is set.
existingStatus, ok := kl.statusManager.GetPodStatus(pod.UID)
if !ok || existingStatus.Phase == v1.PodPending && apiPodStatus.Phase == v1.PodRunning &&
!firstSeenTime.IsZero() {