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Merge pull request #31787 from gmarek/scheduledCondition

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Automatic merge from submit-queue

Make a scheduler predicates test resiliant to race for scheduledCondi…

Fix #31341

@pwittrock - this fixes a P1 flake.

FYI @mwielgus - I don't think that the race that caused this flake can impact cluster autoscaling, but you probably should know about it.

cc @wojtek-t
This commit is contained in:
Kubernetes Submit Queue 2016-08-31 09:30:38 -07:00 committed by GitHub
commit 39fbfd00ea
1 changed files with 10 additions and 4 deletions
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14
test/e2e/scheduler_predicates.go
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@ -119,13 +119,19 @@ func getPodsScheduled(pods *api.PodList) (scheduledPods, notScheduledPods []api.
if !masterNodes.Has(pod.Spec.NodeName) {
if pod.Spec.NodeName != "" {
_, scheduledCondition := api.GetPodCondition(&pod.Status, api.PodScheduled)
Expect(scheduledCondition != nil).To(Equal(true))
Expect(scheduledCondition.Status).To(Equal(api.ConditionTrue))
// We can't assume that the scheduledCondition is always set if Pod is assigned to Node,
// as e.g. DaemonController doesn't set it when assigning Pod to a Node. Currently
// Kubelet sets this condition when it gets a Pod without it, but if we were expecting
// that it would always be not nil, this would cause a rare race condition.
if scheduledCondition != nil {
Expect(scheduledCondition.Status).To(Equal(api.ConditionTrue))
}
scheduledPods = append(scheduledPods, pod)
} else {
_, scheduledCondition := api.GetPodCondition(&pod.Status, api.PodScheduled)
Expect(scheduledCondition != nil).To(Equal(true))
Expect(scheduledCondition.Status).To(Equal(api.ConditionFalse))
if scheduledCondition != nil {
Expect(scheduledCondition.Status).To(Equal(api.ConditionFalse))
}
if scheduledCondition.Reason == "Unschedulable" {
notScheduledPods = append(notScheduledPods, pod)
}