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e2e: Skip multi-node PV test when pods scheduled on the same node

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This commit is contained in:
Tomas Smetana
2019-06-04 16:18:38 +02:00
parent ca342ecb5a
commit d4f43e8e19
3 changed files with 60 additions and 5 deletions
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10
test/e2e/storage/testsuites/provisioning.go
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@@ -424,7 +424,9 @@ func PVMultiNodeCheck(client clientset.Interface, claim *v1.PersistentVolumeClai
// Add node-anti-affinity.
secondNode := node
framework.SetAntiAffinity(&secondNode, actualNodeName)
// Set anti-affinity preference: in case there are no nodes in the same AZ it may happen the second pod gets
// scheduled on the same node as the first one. In such a case the test needs to be skipped.
framework.SetAntiAffinityPreference(&secondNode, actualNodeName)
ginkgo.By(fmt.Sprintf("checking the created volume is readable and retains data on another node %+v", secondNode))
command = "grep 'hello world' /mnt/test/data"
if framework.NodeOSDistroIs("windows") {
@@ -434,9 +436,13 @@ func PVMultiNodeCheck(client clientset.Interface, claim *v1.PersistentVolumeClai
framework.ExpectNoError(e2epod.WaitForPodSuccessInNamespaceSlow(client, pod.Name, pod.Namespace))
runningPod, err = client.CoreV1().Pods(pod.Namespace).Get(pod.Name, metav1.GetOptions{})
framework.ExpectNoError(err, "get pod")
gomega.Expect(runningPod.Spec.NodeName).NotTo(gomega.Equal(actualNodeName), "second pod should have run on a different node")
StopPod(client, pod)
pod = nil
// The second pod got scheduled on the same node as the first one: skip the test.
if runningPod.Spec.NodeName == actualNodeName {
e2elog.Logf("Warning: The reader pod got scheduled on the same node as the writer pod: skipping test")
framework.Skipf("No node available for the second pod found")
}
}
// TestBindingWaitForFirstConsumer tests the binding with WaitForFirstConsumer mode