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Poll instead of watch for ready ReplicaSets in e2e test

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This commit is contained in:
Janet Kuo 2017-06-19 16:24:35 -07:00
parent 6b52d8f138
commit ca877c5d33
1 changed files with 6 additions and 46 deletions
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52
test/e2e/framework/util.go
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@ -3130,53 +3130,13 @@ func waitForReplicaSetPodsGone(c clientset.Interface, rs *extensions.ReplicaSet)
// WaitForReadyReplicaSet waits until the replica set has all of its replicas ready.
func WaitForReadyReplicaSet(c clientset.Interface, ns, name string) error {
rs, err := c.Extensions().ReplicaSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
return err
}
selector, err := metav1.LabelSelectorAsSelector(rs.Spec.Selector)
if err != nil {
return err
}
options := metav1.ListOptions{LabelSelector: selector.String()}
podList, err := c.Core().Pods(rs.Namespace).List(options)
if err != nil {
return err
}
readyPods := int32(0)
unready := sets.NewString()
for i := range podList.Items {
pod := podList.Items[i]
if podutil.IsPodReady(&pod) {
readyPods++
} else {
unready.Insert(pod.Name)
err := wait.Poll(Poll, pollShortTimeout, func() (bool, error) {
rs, err := c.Extensions().ReplicaSets(ns).Get(name, metav1.GetOptions{})
if err != nil {
return false, err
}
}
// All pods for our replica set are ready.
if *(rs.Spec.Replicas) == rs.Status.Replicas && *(rs.Spec.Replicas) == readyPods {
return nil
}
options.ResourceVersion = podList.ResourceVersion
w, err := c.Core().Pods(ns).Watch(options)
if err != nil {
return err
}
defer w.Stop()
condition := func(event watch.Event) (bool, error) {
if event.Type != watch.Modified {
return false, nil
}
pod := event.Object.(*v1.Pod)
if podutil.IsPodReady(pod) && unready.Has(pod.Name) {
unready.Delete(pod.Name)
}
return unready.Len() == 0, nil
}
_, err = watch.Until(Poll, w, condition)
return *(rs.Spec.Replicas) == rs.Status.Replicas && *(rs.Spec.Replicas) == rs.Status.ReadyReplicas, nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("replica set %q never became ready", name)
}