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Solve race between scheduler and kubelet about new node labels

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This commit is contained in:
Dr. Stefan Schimanski 2015-10-16 12:22:11 +02:00
parent 8e25b7c7bf
commit d5aea32d07
1 changed files with 7 additions and 1 deletions
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8
test/e2e/scheduler_predicates.go
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@ -425,7 +425,13 @@ var _ = Describe("SchedulerPredicates", func() {
}) })
expectNoError(err) expectNoError(err)
defer c.Pods(ns).Delete(labelPodName, api.NewDeleteOptions(0)) defer c.Pods(ns).Delete(labelPodName, api.NewDeleteOptions(0))
expectNoError(waitForPodRunningInNamespace(c, labelPodName, ns))
// check that pod got scheduled. We intentionally DO NOT check that the
// pod is running because this will create a race condition with the
// kubelet and the scheduler: the scheduler might have scheduled a pod
// already when the kubelet does not know about its new label yet. The
// kubelet will then refuse to launch the pod.
expectNoError(waitForPodNotPending(c, ns, labelPodName))
labelPod, err := c.Pods(ns).Get(labelPodName) labelPod, err := c.Pods(ns).Get(labelPodName)
expectNoError(err) expectNoError(err)
Expect(labelPod.Spec.NodeName).To(Equal(nodeName)) Expect(labelPod.Spec.NodeName).To(Equal(nodeName))