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Merge pull request #84988 from ahg-g/ahg-stablecluster

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Revert changes to WaitForStableCluster in scheduler e2e test
This commit is contained in:
Kubernetes Prow Robot 2019-11-08 09:01:07 -08:00 committed by GitHub
commit ed3cc6afea
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1 changed files with 17 additions and 29 deletions
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46
test/e2e/scheduling/framework.go
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@ -39,46 +39,34 @@ func WaitForStableCluster(c clientset.Interface, masterNodes sets.String) int {
timeout := 10 * time.Minute
startTime := time.Now()
allPods := getAllPods(c)
scheduledSystemPods, currentlyNotScheduledSystemPods := getSystemPods(c)
systemPods := scheduledSystemPods + currentlyNotScheduledSystemPods
// Wait for system pods to be scheduled, and for pods in all other namespaces to be deleted
for currentlyNotScheduledSystemPods != 0 || systemPods != allPods {
// Wait for all pods to be scheduled.
allScheduledPods, allNotScheduledPods := getFilteredPods(c, masterNodes, metav1.NamespaceAll)
for len(allNotScheduledPods) != 0 {
time.Sleep(2 * time.Second)
scheduledSystemPods, currentlyNotScheduledSystemPods := getSystemPods(c)
systemPods = scheduledSystemPods + currentlyNotScheduledSystemPods
allPods = getAllPods(c)
if startTime.Add(timeout).Before(time.Now()) {
framework.Logf("Timed out waiting for the following pods to schedule")
for _, p := range allNotScheduledPods {
framework.Logf("%v/%v", p.Namespace, p.Name)
}
framework.Failf("Timed out after %v waiting for stable cluster.", timeout)
break
}
allScheduledPods, allNotScheduledPods = getFilteredPods(c, masterNodes, metav1.NamespaceAll)
}
return scheduledSystemPods
return len(allScheduledPods)
}
// getAllPods lists all pods in the cluster, with succeeded and failed pods filtered out and returns the count
func getAllPods(c clientset.Interface) int {
allPods, err := c.CoreV1().Pods(metav1.NamespaceAll).List(metav1.ListOptions{})
// getFilteredPods lists scheduled and not scheduled pods in the given namespace, with succeeded and failed pods filtered out.
func getFilteredPods(c clientset.Interface, masterNodes sets.String, ns string) (scheduledPods, notScheduledPods []v1.Pod) {
pods, err := c.CoreV1().Pods(ns).List(metav1.ListOptions{})
framework.ExpectNoError(err, "listing all pods in kube-system namespace while waiting for stable cluster")
// API server returns also Pods that succeeded. We need to filter them out.
currentPods := make([]v1.Pod, 0, len(allPods.Items))
for _, pod := range allPods.Items {
filteredPods := make([]v1.Pod, 0, len(pods.Items))
for _, pod := range pods.Items {
if pod.Status.Phase != v1.PodSucceeded && pod.Status.Phase != v1.PodFailed {
currentPods = append(currentPods, pod)
filteredPods = append(filteredPods, pod)
}
}
allPods.Items = currentPods
return len(allPods.Items)
}
// getSystemPods lists the pods in the kube-system namespace and returns the number of scheduled and unscheduled pods
func getSystemPods(c clientset.Interface) (int, int) {
systemPods, err := c.CoreV1().Pods(metav1.NamespaceSystem).List(metav1.ListOptions{})
framework.ExpectNoError(err, "listing all pods in kube-system namespace while waiting for stable cluster")
scheduledSystemPods, currentlyNotScheduledSystemPods := e2epod.GetPodsScheduled(masterNodes, systemPods)
return len(scheduledSystemPods), len(currentlyNotScheduledSystemPods)
pods.Items = filteredPods
return e2epod.GetPodsScheduled(masterNodes, pods)
}