mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-09-14 05:36:12 +00:00
refactor pd.go for future tests
This commit is contained in:
jeff vance
@@ -46,6 +46,7 @@ const (
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nodeStatusTimeout = 10 * time.Minute
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nodeStatusPollTime = 1 * time.Second
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maxReadRetry = 3
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minNodes = 2
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)
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var _ = SIGDescribe("Pod Disks", func() {
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@@ -59,355 +60,256 @@ var _ = SIGDescribe("Pod Disks", func() {
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f := framework.NewDefaultFramework("pod-disks")
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BeforeEach(func() {
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framework.SkipUnlessNodeCountIsAtLeast(2)
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framework.SkipUnlessNodeCountIsAtLeast(minNodes)
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podClient = f.ClientSet.Core().Pods(f.Namespace.Name)
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nodeClient = f.ClientSet.Core().Nodes()
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nodes = framework.GetReadySchedulableNodesOrDie(f.ClientSet)
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Expect(len(nodes.Items)).To(BeNumerically(">=", 2), "Requires at least 2 nodes")
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Expect(len(nodes.Items)).To(BeNumerically(">=", minNodes), fmt.Sprintf("Requires at least %d nodes", minNodes))
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host0Name = types.NodeName(nodes.Items[0].ObjectMeta.Name)
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host1Name = types.NodeName(nodes.Items[1].ObjectMeta.Name)
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mathrand.Seed(time.Now().UTC().UnixNano())
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})
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It("should schedule a pod w/ a RW PD, ungracefully remove it, then schedule it on another host [Slow]", func() {
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framework.SkipUnlessProviderIs("gce", "gke", "aws")
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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host0Pod := testPDPod([]string{diskName}, host0Name, false /* readOnly */, 1 /* numContainers */)
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host1Pod := testPDPod([]string{diskName}, host1Name, false /* readOnly */, 1 /* numContainers */)
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containerName := "mycontainer"
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defer func() {
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// Teardown pods, PD. Ignore errors.
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// Teardown should do nothing unless test failed.
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By("cleaning up PD-RW test environment")
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podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
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podClient.Delete(host1Pod.Name, metav1.NewDeleteOptions(0))
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detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
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}()
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By("submitting host0Pod to kubernetes")
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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testFile := "/testpd1/tracker"
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testFileContents := fmt.Sprintf("%v", mathrand.Int())
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf("Wrote value: %v", testFileContents)
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// Verify that disk shows up for in node 1's VolumeInUse list
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* shouldExist */))
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By("deleting host0Pod")
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// Delete pod with 0 grace period
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0Pod")
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By("submitting host1Pod to kubernetes")
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_, err = podClient.Create(host1Pod)
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framework.ExpectNoError(err, "Failed to create host1Pod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host1Pod.Name))
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verifyPDContentsViaContainer(f, host1Pod.Name, containerName, map[string]string{testFile: testFileContents})
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// Verify that disk is removed from node 1's VolumeInUse list
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, false /* shouldExist */))
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By("deleting host1Pod")
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framework.ExpectNoError(podClient.Delete(host1Pod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host1Pod")
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By("Test completed successfully, waiting for PD to safely detach")
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waitForPDDetach(diskName, host0Name)
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waitForPDDetach(diskName, host1Name)
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return
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})
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It("Should schedule a pod w/ a RW PD, gracefully remove it, then schedule it on another host [Slow]", func() {
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framework.SkipUnlessProviderIs("gce", "gke", "aws")
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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host0Pod := testPDPod([]string{diskName}, host0Name, false /* readOnly */, 1 /* numContainers */)
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host1Pod := testPDPod([]string{diskName}, host1Name, false /* readOnly */, 1 /* numContainers */)
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containerName := "mycontainer"
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defer func() {
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// Teardown pods, PD. Ignore errors.
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// Teardown should do nothing unless test failed.
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By("cleaning up PD-RW test environment")
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podClient.Delete(host0Pod.Name, &metav1.DeleteOptions{})
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podClient.Delete(host1Pod.Name, &metav1.DeleteOptions{})
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detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
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}()
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By("submitting host0Pod to kubernetes")
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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testFile := "/testpd1/tracker"
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testFileContents := fmt.Sprintf("%v", mathrand.Int())
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf("Wrote value: %v", testFileContents)
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// Verify that disk shows up for in node 1's VolumeInUse list
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* shouldExist */))
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By("deleting host0Pod")
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// Delete pod with default grace period 30s
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, &metav1.DeleteOptions{}), "Failed to delete host0Pod")
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By("submitting host1Pod to kubernetes")
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_, err = podClient.Create(host1Pod)
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framework.ExpectNoError(err, "Failed to create host1Pod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host1Pod.Name))
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verifyPDContentsViaContainer(f, host1Pod.Name, containerName, map[string]string{testFile: testFileContents})
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// Verify that disk is removed from node 1's VolumeInUse list
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, false /* shouldExist */))
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By("deleting host1Pod")
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framework.ExpectNoError(podClient.Delete(host1Pod.Name, &metav1.DeleteOptions{}), "Failed to delete host1Pod")
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By("Test completed successfully, waiting for PD to safely detach")
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waitForPDDetach(diskName, host0Name)
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waitForPDDetach(diskName, host1Name)
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return
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})
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It("should schedule a pod w/ a readonly PD on two hosts, then remove both ungracefully. [Slow]", func() {
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framework.SkipUnlessProviderIs("gce", "gke")
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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rwPod := testPDPod([]string{diskName}, host0Name, false /* readOnly */, 1 /* numContainers */)
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host0ROPod := testPDPod([]string{diskName}, host0Name, true /* readOnly */, 1 /* numContainers */)
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host1ROPod := testPDPod([]string{diskName}, host1Name, true /* readOnly */, 1 /* numContainers */)
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defer func() {
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By("cleaning up PD-RO test environment")
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// Teardown pods, PD. Ignore errors.
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// Teardown should do nothing unless test failed.
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podClient.Delete(rwPod.Name, metav1.NewDeleteOptions(0))
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podClient.Delete(host0ROPod.Name, metav1.NewDeleteOptions(0))
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podClient.Delete(host1ROPod.Name, metav1.NewDeleteOptions(0))
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detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
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}()
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By("submitting rwPod to ensure PD is formatted")
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_, err = podClient.Create(rwPod)
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framework.ExpectNoError(err, "Failed to create rwPod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(rwPod.Name))
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// Delete pod with 0 grace period
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framework.ExpectNoError(podClient.Delete(rwPod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0Pod")
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framework.ExpectNoError(waitForPDDetach(diskName, host0Name))
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By("submitting host0ROPod to kubernetes")
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_, err = podClient.Create(host0ROPod)
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framework.ExpectNoError(err, "Failed to create host0ROPod")
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By("submitting host1ROPod to kubernetes")
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_, err = podClient.Create(host1ROPod)
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framework.ExpectNoError(err, "Failed to create host1ROPod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0ROPod.Name))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host1ROPod.Name))
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By("deleting host0ROPod")
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framework.ExpectNoError(podClient.Delete(host0ROPod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0ROPod")
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By("deleting host1ROPod")
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framework.ExpectNoError(podClient.Delete(host1ROPod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host1ROPod")
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By("Test completed successfully, waiting for PD to safely detach")
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waitForPDDetach(diskName, host0Name)
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waitForPDDetach(diskName, host1Name)
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})
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It("Should schedule a pod w/ a readonly PD on two hosts, then remove both gracefully. [Slow]", func() {
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framework.SkipUnlessProviderIs("gce", "gke")
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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rwPod := testPDPod([]string{diskName}, host0Name, false /* readOnly */, 1 /* numContainers */)
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host0ROPod := testPDPod([]string{diskName}, host0Name, true /* readOnly */, 1 /* numContainers */)
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host1ROPod := testPDPod([]string{diskName}, host1Name, true /* readOnly */, 1 /* numContainers */)
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defer func() {
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By("cleaning up PD-RO test environment")
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// Teardown pods, PD. Ignore errors.
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// Teardown should do nothing unless test failed.
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podClient.Delete(rwPod.Name, &metav1.DeleteOptions{})
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podClient.Delete(host0ROPod.Name, &metav1.DeleteOptions{})
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podClient.Delete(host1ROPod.Name, &metav1.DeleteOptions{})
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detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
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}()
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By("submitting rwPod to ensure PD is formatted")
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_, err = podClient.Create(rwPod)
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framework.ExpectNoError(err, "Failed to create rwPod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(rwPod.Name))
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// Delete pod with default grace period 30s
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framework.ExpectNoError(podClient.Delete(rwPod.Name, &metav1.DeleteOptions{}), "Failed to delete host0Pod")
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framework.ExpectNoError(waitForPDDetach(diskName, host0Name))
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By("submitting host0ROPod to kubernetes")
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_, err = podClient.Create(host0ROPod)
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framework.ExpectNoError(err, "Failed to create host0ROPod")
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By("submitting host1ROPod to kubernetes")
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_, err = podClient.Create(host1ROPod)
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framework.ExpectNoError(err, "Failed to create host1ROPod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0ROPod.Name))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host1ROPod.Name))
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By("deleting host0ROPod")
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framework.ExpectNoError(podClient.Delete(host0ROPod.Name, &metav1.DeleteOptions{}), "Failed to delete host0ROPod")
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By("deleting host1ROPod")
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framework.ExpectNoError(podClient.Delete(host1ROPod.Name, &metav1.DeleteOptions{}), "Failed to delete host1ROPod")
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By("Test completed successfully, waiting for PD to safely detach")
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waitForPDDetach(diskName, host0Name)
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waitForPDDetach(diskName, host1Name)
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})
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It("should schedule a pod w/ a RW PD shared between multiple containers, write to PD, delete pod, verify contents, and repeat in rapid succession [Slow]", func() {
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framework.SkipUnlessProviderIs("gce", "gke", "aws")
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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numContainers := 4
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var host0Pod *v1.Pod
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defer func() {
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By("cleaning up PD-RW test environment")
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// Teardown pods, PD. Ignore errors.
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// Teardown should do nothing unless test failed.
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if host0Pod != nil {
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podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
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}
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detachAndDeletePDs(diskName, []types.NodeName{host0Name})
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}()
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fileAndContentToVerify := make(map[string]string)
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for i := 0; i < 3; i++ {
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framework.Logf("PD Read/Writer Iteration #%v", i)
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By("submitting host0Pod to kubernetes")
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host0Pod = testPDPod([]string{diskName}, host0Name, false /* readOnly */, numContainers)
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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// randomly select a container and read/verify pd contents from it
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containerName := fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
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verifyPDContentsViaContainer(f, host0Pod.Name, containerName, fileAndContentToVerify)
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// Randomly select a container to write a file to PD from
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containerName = fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
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testFile := fmt.Sprintf("/testpd1/tracker%v", i)
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testFileContents := fmt.Sprintf("%v", mathrand.Int())
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fileAndContentToVerify[testFile] = testFileContents
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf("Wrote value: \"%v\" to PD %q from pod %q container %q", testFileContents, diskName, host0Pod.Name, containerName)
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// Randomly select a container and read/verify pd contents from it
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containerName = fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
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verifyPDContentsViaContainer(f, host0Pod.Name, containerName, fileAndContentToVerify)
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By("deleting host0Pod")
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0Pod")
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Context("schedule a pod w/ a RW PD, delete pod, schedule it on another host, verify PD contents [Slow]", func() {
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type testT struct {
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descr string // It description
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deleteOpt *metav1.DeleteOptions // pod delete option
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}
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tests := []testT{
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{
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descr: "immediate (0)",
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deleteOpt: metav1.NewDeleteOptions(0),
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},
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{
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descr: "the default (30s)",
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deleteOpt: &metav1.DeleteOptions{}, // default per provider
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},
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}
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By("Test completed successfully, waiting for PD to safely detach")
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waitForPDDetach(diskName, host0Name)
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for _, t := range tests {
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It(fmt.Sprintf("when pod delete grace period is %s", t.descr), func() {
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framework.SkipUnlessProviderIs("gce", "gke", "aws")
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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By("creating host0Pod on node0")
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host0Pod := testPDPod([]string{diskName}, host0Name, false /* readOnly */, 1 /* numContainers */)
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host1Pod := testPDPod([]string{diskName}, host1Name, false /* readOnly */, 1 /* numContainers */)
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podDelOpt := t.deleteOpt
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defer func() {
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// Teardown should do nothing unless test failed
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By("defer: cleaning up PD-RW test environment")
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framework.Logf("defer cleanup errors can usually be ignored")
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podClient.Delete(host0Pod.Name, podDelOpt)
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podClient.Delete(host1Pod.Name, podDelOpt)
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detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
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}()
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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framework.Logf(fmt.Sprintf("host0Pod: %q, node0: %q", host0Pod.Name, host0Name))
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By("writing content to host0Pod on node0")
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containerName := "mycontainer"
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testFile := "/testpd1/tracker"
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testFileContents := fmt.Sprintf("%v", mathrand.Int())
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf(fmt.Sprintf("wrote %q to file %q in pod %q on node %q", testFileContents, testFile, host0Pod.Name, host0Name))
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By("verifying PD is present in node0's VolumeInUse list")
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* shouldExist */))
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By("deleting host0Pod")
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, podDelOpt), "Failed to delete host0Pod")
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framework.Logf(fmt.Sprintf("deleted host0Pod %q", host0Pod.Name))
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By("creating host1Pod on node1")
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_, err = podClient.Create(host1Pod)
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framework.ExpectNoError(err, "Failed to create host1Pod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host1Pod.Name))
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framework.Logf(fmt.Sprintf("host1Pod: %q, node1: %q", host1Pod.Name, host1Name))
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By("verifying PD contents in host1Pod")
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verifyPDContentsViaContainer(f, host1Pod.Name, containerName, map[string]string{testFile: testFileContents})
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framework.Logf(fmt.Sprintf("verified PD contents in pod %q", host1Pod.Name))
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By("verifying PD is removed from node1")
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, false /* shouldExist */))
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framework.Logf(fmt.Sprintf("PD %q removed from node %q's VolumeInUse list", diskName, host1Pod.Name))
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By("deleting host1Pod")
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framework.ExpectNoError(podClient.Delete(host1Pod.Name, podDelOpt), "Failed to delete host1Pod")
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framework.Logf(fmt.Sprintf("deleted host1Pod %q", host1Pod.Name))
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By("Test completed successfully, waiting for PD to detach from both nodes")
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waitForPDDetach(diskName, host0Name)
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waitForPDDetach(diskName, host1Name)
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})
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}
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})
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It("should schedule a pod w/two RW PDs both mounted to one container, write to PD, verify contents, delete pod, recreate pod, verify contents, and repeat in rapid succession [Slow]", func() {
|
||||
framework.SkipUnlessProviderIs("gce", "gke", "aws")
|
||||
|
||||
By("creating PD1")
|
||||
disk1Name, err := framework.CreatePDWithRetry()
|
||||
framework.ExpectNoError(err, "Error creating PD1")
|
||||
By("creating PD2")
|
||||
disk2Name, err := framework.CreatePDWithRetry()
|
||||
framework.ExpectNoError(err, "Error creating PD2")
|
||||
var host0Pod *v1.Pod
|
||||
|
||||
defer func() {
|
||||
By("cleaning up PD-RW test environment")
|
||||
// Teardown pods, PD. Ignore errors.
|
||||
// Teardown should do nothing unless test failed.
|
||||
if host0Pod != nil {
|
||||
podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
|
||||
}
|
||||
detachAndDeletePDs(disk1Name, []types.NodeName{host0Name})
|
||||
detachAndDeletePDs(disk2Name, []types.NodeName{host0Name})
|
||||
}()
|
||||
|
||||
containerName := "mycontainer"
|
||||
fileAndContentToVerify := make(map[string]string)
|
||||
for i := 0; i < 3; i++ {
|
||||
framework.Logf("PD Read/Writer Iteration #%v", i)
|
||||
By("submitting host0Pod to kubernetes")
|
||||
host0Pod = testPDPod([]string{disk1Name, disk2Name}, host0Name, false /* readOnly */, 1 /* numContainers */)
|
||||
_, err = podClient.Create(host0Pod)
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
|
||||
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
|
||||
|
||||
// Read/verify pd contents for both disks from container
|
||||
verifyPDContentsViaContainer(f, host0Pod.Name, containerName, fileAndContentToVerify)
|
||||
|
||||
// Write a file to both PDs from container
|
||||
testFilePD1 := fmt.Sprintf("/testpd1/tracker%v", i)
|
||||
testFilePD2 := fmt.Sprintf("/testpd2/tracker%v", i)
|
||||
testFilePD1Contents := fmt.Sprintf("%v", mathrand.Int())
|
||||
testFilePD2Contents := fmt.Sprintf("%v", mathrand.Int())
|
||||
fileAndContentToVerify[testFilePD1] = testFilePD1Contents
|
||||
fileAndContentToVerify[testFilePD2] = testFilePD2Contents
|
||||
framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFilePD1, testFilePD1Contents))
|
||||
framework.Logf("Wrote value: \"%v\" to PD1 (%q) from pod %q container %q", testFilePD1Contents, disk1Name, host0Pod.Name, containerName)
|
||||
framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFilePD2, testFilePD2Contents))
|
||||
framework.Logf("Wrote value: \"%v\" to PD2 (%q) from pod %q container %q", testFilePD2Contents, disk2Name, host0Pod.Name, containerName)
|
||||
|
||||
// Read/verify pd contents for both disks from container
|
||||
verifyPDContentsViaContainer(f, host0Pod.Name, containerName, fileAndContentToVerify)
|
||||
|
||||
By("deleting host0Pod")
|
||||
framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0Pod")
|
||||
Context("schedule a pod w/ a readonly PD on two hosts, then delete both pods. [Slow]", func() {
|
||||
type testT struct {
|
||||
descr string // It description
|
||||
deleteOpt *metav1.DeleteOptions // pod delete option
|
||||
}
|
||||
tests := []testT{
|
||||
{
|
||||
descr: "immediate (0)",
|
||||
deleteOpt: metav1.NewDeleteOptions(0),
|
||||
},
|
||||
{
|
||||
descr: "the default (30s)",
|
||||
deleteOpt: &metav1.DeleteOptions{}, // default per provider
|
||||
},
|
||||
}
|
||||
|
||||
By("Test completed successfully, waiting for PD to safely detach")
|
||||
waitForPDDetach(disk1Name, host0Name)
|
||||
waitForPDDetach(disk2Name, host0Name)
|
||||
for _, t := range tests {
|
||||
It(fmt.Sprintf("when pod delete grace period is %s", t.descr), func() {
|
||||
framework.SkipUnlessProviderIs("gce", "gke")
|
||||
|
||||
By("creating PD")
|
||||
diskName, err := framework.CreatePDWithRetry()
|
||||
framework.ExpectNoError(err, "Error creating PD")
|
||||
|
||||
rwPod := testPDPod([]string{diskName}, host0Name, false /* readOnly */, 1 /* numContainers */)
|
||||
host0ROPod := testPDPod([]string{diskName}, host0Name, true /* readOnly */, 1 /* numContainers */)
|
||||
host1ROPod := testPDPod([]string{diskName}, host1Name, true /* readOnly */, 1 /* numContainers */)
|
||||
|
||||
podDelOpt := t.deleteOpt
|
||||
defer func() {
|
||||
// Teardown should do nothing unless test failed.
|
||||
By("defer: cleaning up PD-RO test environment")
|
||||
framework.Logf("defer cleanup errors can usually be ignored")
|
||||
podClient.Delete(rwPod.Name, podDelOpt)
|
||||
podClient.Delete(host0ROPod.Name, podDelOpt)
|
||||
podClient.Delete(host1ROPod.Name, podDelOpt)
|
||||
detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
|
||||
}()
|
||||
|
||||
By("creating rwPod to ensure PD is formatted")
|
||||
_, err = podClient.Create(rwPod)
|
||||
framework.ExpectNoError(err, "Failed to create rwPod")
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(rwPod.Name))
|
||||
|
||||
By("deleting the rwPod")
|
||||
framework.ExpectNoError(podClient.Delete(rwPod.Name, metav1.NewDeleteOptions(0)), "Failed to delete rwPod")
|
||||
framework.Logf(fmt.Sprintf("deleted rwPod %q", rwPod.Name))
|
||||
|
||||
By("waiting for PD to detach")
|
||||
framework.ExpectNoError(waitForPDDetach(diskName, host0Name))
|
||||
|
||||
By("creating host0ROPod on node0")
|
||||
_, err = podClient.Create(host0ROPod)
|
||||
framework.ExpectNoError(err, "Failed to create host0ROPod")
|
||||
By("creating host1ROPod on node1")
|
||||
_, err = podClient.Create(host1ROPod)
|
||||
framework.ExpectNoError(err, "Failed to create host1ROPod")
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(host0ROPod.Name))
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(host1ROPod.Name))
|
||||
|
||||
By("deleting host0ROPod")
|
||||
framework.ExpectNoError(podClient.Delete(host0ROPod.Name, podDelOpt), "Failed to delete host0ROPod")
|
||||
framework.Logf(fmt.Sprintf("deleted host0ROPod %q", host0ROPod.Name))
|
||||
By("deleting host1ROPod")
|
||||
framework.ExpectNoError(podClient.Delete(host1ROPod.Name, podDelOpt), "Failed to delete host1ROPod")
|
||||
framework.Logf(fmt.Sprintf("deleted host1ROPod %q", host1ROPod.Name))
|
||||
|
||||
By("Test completed successfully, waiting for PD to detach from both nodes")
|
||||
waitForPDDetach(diskName, host0Name)
|
||||
waitForPDDetach(diskName, host1Name)
|
||||
})
|
||||
}
|
||||
})
|
||||
|
||||
Context("schedule a pod w/ RW PD(s) mounted to 1 or more containers, write to PD, verify content, delete pod, and repeat in rapid succession [Slow]", func() {
|
||||
var diskNames []string
|
||||
type testT struct {
|
||||
numContainers int
|
||||
numPDs int
|
||||
}
|
||||
tests := []testT{
|
||||
{
|
||||
numContainers: 4,
|
||||
numPDs: 1,
|
||||
},
|
||||
{
|
||||
numContainers: 1,
|
||||
numPDs: 2,
|
||||
},
|
||||
}
|
||||
|
||||
for _, t := range tests {
|
||||
numPDs := t.numPDs
|
||||
numContainers := t.numContainers
|
||||
|
||||
It(fmt.Sprintf("using %d containers and %d PDs", numContainers, numPDs), func() {
|
||||
framework.SkipUnlessProviderIs("gce", "gke", "aws")
|
||||
var host0Pod *v1.Pod
|
||||
var err error
|
||||
fileAndContentToVerify := make(map[string]string)
|
||||
|
||||
By(fmt.Sprintf("creating %d PD(s)", numPDs))
|
||||
for i := 0; i < numPDs; i++ {
|
||||
name, err := framework.CreatePDWithRetry()
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Error creating PD %d", i))
|
||||
diskNames = append(diskNames, name)
|
||||
}
|
||||
|
||||
defer func() {
|
||||
// Teardown should do nothing unless test failed.
|
||||
By("defer: cleaning up PD-RW test environment")
|
||||
framework.Logf("defer cleanup errors can usually be ignored")
|
||||
if host0Pod != nil {
|
||||
podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
|
||||
}
|
||||
for _, diskName := range diskNames {
|
||||
detachAndDeletePDs(diskName, []types.NodeName{host0Name})
|
||||
}
|
||||
}()
|
||||
|
||||
for i := 0; i < 3; i++ { // "rapid" repeat loop
|
||||
framework.Logf("PD Read/Writer Iteration #%v", i)
|
||||
By(fmt.Sprintf("creating host0Pod with %d containers on node0", numContainers))
|
||||
host0Pod = testPDPod(diskNames, host0Name, false /* readOnly */, numContainers)
|
||||
_, err = podClient.Create(host0Pod)
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
|
||||
|
||||
By(fmt.Sprintf("writing %d file(s) via a container", numPDs))
|
||||
containerName := "mycontainer"
|
||||
if numContainers > 1 {
|
||||
containerName = fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
|
||||
}
|
||||
for x := 1; x <= numPDs; x++ {
|
||||
testFile := fmt.Sprintf("/testpd%d/tracker%d", x, i)
|
||||
testFileContents := fmt.Sprintf("%v", mathrand.Int())
|
||||
fileAndContentToVerify[testFile] = testFileContents
|
||||
framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
|
||||
framework.Logf(fmt.Sprintf("wrote %q to file %q in pod %q (container %q) on node %q", testFileContents, testFile, host0Pod.Name, containerName, host0Name))
|
||||
}
|
||||
|
||||
By("verifying PD contents via a container")
|
||||
if numContainers > 1 {
|
||||
containerName = fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
|
||||
}
|
||||
verifyPDContentsViaContainer(f, host0Pod.Name, containerName, fileAndContentToVerify)
|
||||
|
||||
By("deleting host0Pod")
|
||||
framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0Pod")
|
||||
}
|
||||
By(fmt.Sprintf("Test completed successfully, waiting for %d PD(s) to detach from node0", numPDs))
|
||||
for _, diskName := range diskNames {
|
||||
waitForPDDetach(diskName, host0Name)
|
||||
}
|
||||
})
|
||||
}
|
||||
})
|
||||
|
||||
It("should be able to detach from a node which was deleted [Slow] [Disruptive]", func() {
|
||||
@@ -416,16 +318,16 @@ var _ = SIGDescribe("Pod Disks", func() {
|
||||
initialGroupSize, err := framework.GroupSize(framework.TestContext.CloudConfig.NodeInstanceGroup)
|
||||
framework.ExpectNoError(err, "Error getting group size")
|
||||
|
||||
By("Creating a pd")
|
||||
By("creating a pd")
|
||||
diskName, err := framework.CreatePDWithRetry()
|
||||
framework.ExpectNoError(err, "Error creating a pd")
|
||||
|
||||
host0Pod := testPDPod([]string{diskName}, host0Name, false, 1)
|
||||
|
||||
containerName := "mycontainer"
|
||||
|
||||
defer func() {
|
||||
By("Cleaning up PD-RW test env")
|
||||
By("defer: cleaning up PD-RW test env")
|
||||
framework.Logf("defer cleanup errors can usually be ignored")
|
||||
podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
|
||||
detachAndDeletePDs(diskName, []types.NodeName{host0Name})
|
||||
framework.WaitForNodeToBeReady(f.ClientSet, string(host0Name), nodeStatusTimeout)
|
||||
@@ -434,48 +336,46 @@ var _ = SIGDescribe("Pod Disks", func() {
|
||||
Expect(len(nodes.Items)).To(Equal(initialGroupSize), "Requires node count to return to initial group size.")
|
||||
}()
|
||||
|
||||
By("submitting host0Pod to kubernetes")
|
||||
By("creating host0Pod on node0")
|
||||
_, err = podClient.Create(host0Pod)
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0pod: %v", err))
|
||||
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
|
||||
|
||||
By("writing content to host0Pod")
|
||||
testFile := "/testpd1/tracker"
|
||||
testFileContents := fmt.Sprintf("%v", mathrand.Int())
|
||||
|
||||
framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
|
||||
framework.Logf("Wrote value: %v", testFileContents)
|
||||
framework.Logf(fmt.Sprintf("wrote %q to file %q in pod %q on node %q", testFileContents, testFile, host0Pod.Name, host0Name))
|
||||
|
||||
// Verify that disk shows up in node 0's volumeInUse list
|
||||
By("verifying PD is present in node0's VolumeInUse list")
|
||||
framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* should exist*/))
|
||||
|
||||
By("getting gce instances")
|
||||
gceCloud, err := framework.GetGCECloud()
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Unable to create gcloud client err=%v", err))
|
||||
|
||||
output, err := gceCloud.ListInstanceNames(framework.TestContext.CloudConfig.ProjectID, framework.TestContext.CloudConfig.Zone)
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Unable to get list of node instances err=%v output=%s", err, output))
|
||||
Expect(true, strings.Contains(string(output), string(host0Name)))
|
||||
|
||||
By("deleting host0")
|
||||
resp, err := gceCloud.DeleteInstance(framework.TestContext.CloudConfig.ProjectID, framework.TestContext.CloudConfig.Zone, string(host0Name))
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to delete host0pod: err=%v response=%#v", err, resp))
|
||||
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to delete host0Pod: err=%v response=%#v", err, resp))
|
||||
output, err = gceCloud.ListInstanceNames(framework.TestContext.CloudConfig.ProjectID, framework.TestContext.CloudConfig.Zone)
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Unable to get list of node instances err=%v output=%s", err, output))
|
||||
Expect(false, strings.Contains(string(output), string(host0Name)))
|
||||
|
||||
// The disk should be detached from host0 on it's deletion
|
||||
By("Waiting for pd to detach from host0")
|
||||
By("waiting for pd to detach from host0")
|
||||
waitForPDDetach(diskName, host0Name)
|
||||
framework.ExpectNoError(framework.WaitForGroupSize(framework.TestContext.CloudConfig.NodeInstanceGroup, int32(initialGroupSize)), "Unable to get back the cluster to inital size")
|
||||
return
|
||||
})
|
||||
|
||||
It("should be able to detach from a node whose api object was deleted [Slow] [Disruptive]", func() {
|
||||
framework.SkipUnlessProviderIs("gce")
|
||||
|
||||
initialGroupSize, err := framework.GroupSize(framework.TestContext.CloudConfig.NodeInstanceGroup)
|
||||
framework.ExpectNoError(err, "Error getting group size")
|
||||
By("Creating a pd")
|
||||
|
||||
By("creating a pd")
|
||||
diskName, err := framework.CreatePDWithRetry()
|
||||
framework.ExpectNoError(err, "Error creating a pd")
|
||||
|
||||
@@ -483,8 +383,10 @@ var _ = SIGDescribe("Pod Disks", func() {
|
||||
originalCount := len(nodes.Items)
|
||||
containerName := "mycontainer"
|
||||
nodeToDelete := &nodes.Items[0]
|
||||
|
||||
defer func() {
|
||||
By("Cleaning up PD-RW test env")
|
||||
By("defer: cleaning up PD-RW test env")
|
||||
framework.Logf("defer cleanup errors can usually be ignored")
|
||||
detachAndDeletePDs(diskName, []types.NodeName{host0Name})
|
||||
nodeToDelete.ObjectMeta.SetResourceVersion("0")
|
||||
// need to set the resource version or else the Create() fails
|
||||
@@ -497,27 +399,24 @@ var _ = SIGDescribe("Pod Disks", func() {
|
||||
Expect(len(nodes.Items)).To(Equal(originalCount), "Requires node count to return to original node count.")
|
||||
}()
|
||||
|
||||
By("submitting host0Pod to kubernetes")
|
||||
By("creating host0Pod on node0")
|
||||
_, err = podClient.Create(host0Pod)
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0pod: %v", err))
|
||||
|
||||
framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod %q: %v", host0Pod.Name, err))
|
||||
framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
|
||||
|
||||
By("writing content to host0Pod")
|
||||
testFile := "/testpd1/tracker"
|
||||
testFileContents := fmt.Sprintf("%v", mathrand.Int())
|
||||
|
||||
framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
|
||||
framework.Logf("Wrote value: %v", testFileContents)
|
||||
framework.Logf(fmt.Sprintf("wrote %q to file %q in pod %q on node %q", testFileContents, testFile, host0Pod.Name, host0Name))
|
||||
|
||||
// Verify that disk shows up in node 0's volumeInUse list
|
||||
By("verifying PD is present in node0's VolumeInUse list")
|
||||
framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* should exist*/))
|
||||
|
||||
By("deleting api object of host0")
|
||||
By("deleting host0 api object")
|
||||
framework.ExpectNoError(nodeClient.Delete(string(host0Name), metav1.NewDeleteOptions(0)), "Unable to delete host0")
|
||||
|
||||
By("deleting host0pod")
|
||||
By("deleting host0Pod")
|
||||
framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Unable to delete host0Pod")
|
||||
// The disk should be detached from host0 on its deletion
|
||||
By("Waiting for pd to detach from host0")
|
||||
framework.ExpectNoError(waitForPDDetach(diskName, host0Name), "Timed out waiting for detach pd")
|
||||
})
|
||||
|
||||
Reference in New Issue
Block a user