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Restore volume tests using statefulset
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parent
98e41b7038
commit
15188268b4
@ -29,7 +29,6 @@ import (
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/storage/testsuites"
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"k8s.io/kubernetes/test/e2e/storage/utils"
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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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@ -308,22 +307,69 @@ var _ = utils.SIGDescribe("PersistentVolumes", func() {
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Describe("Default StorageClass", func() {
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Context("pods that use multiple volumes", func() {
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AfterEach(func() {
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framework.DeleteAllStatefulSets(c, ns)
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})
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It("should be reschedulable [Slow]", func() {
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// Only run on providers with default storageclass
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framework.SkipUnlessProviderIs("openstack", "gce", "gke", "vsphere", "azure")
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numVols := 4
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ssTester := framework.NewStatefulSetTester(c)
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By("Creating pvcs")
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claims := []*v1.PersistentVolumeClaim{}
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By("Creating a StatefulSet pod to initialize data")
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writeCmd := "true"
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for i := 0; i < numVols; i++ {
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pvc := framework.MakePersistentVolumeClaim(framework.PersistentVolumeClaimConfig{}, ns)
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claims = append(claims, pvc)
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writeCmd += fmt.Sprintf("&& touch %v", getVolumeFile(i))
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}
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writeCmd += "&& sleep 10000"
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probe := &v1.Probe{
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Handler: v1.Handler{
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Exec: &v1.ExecAction{
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// Check that the last file got created
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Command: []string{"test", "-f", getVolumeFile(numVols - 1)},
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},
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},
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InitialDelaySeconds: 1,
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PeriodSeconds: 1,
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}
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By("Testing access to pvcs before and after pod recreation on differetn node")
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testsuites.TestAccessMultipleVolumesAcrossPodRecreation(f, c, ns,
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framework.NodeSelection{}, claims, false /* sameNode */)
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mounts := []v1.VolumeMount{}
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claims := []v1.PersistentVolumeClaim{}
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for i := 0; i < numVols; i++ {
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pvc := framework.MakePersistentVolumeClaim(framework.PersistentVolumeClaimConfig{}, ns)
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pvc.Name = getVolName(i)
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mounts = append(mounts, v1.VolumeMount{Name: pvc.Name, MountPath: getMountPath(i)})
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claims = append(claims, *pvc)
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}
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spec := makeStatefulSetWithPVCs(ns, writeCmd, mounts, claims, probe)
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ss, err := c.AppsV1().StatefulSets(ns).Create(spec)
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Expect(err).NotTo(HaveOccurred())
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ssTester.WaitForRunningAndReady(1, ss)
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By("Deleting the StatefulSet but not the volumes")
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// Scale down to 0 first so that the Delete is quick
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ss, err = ssTester.Scale(ss, 0)
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Expect(err).NotTo(HaveOccurred())
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ssTester.WaitForStatusReplicas(ss, 0)
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err = c.AppsV1().StatefulSets(ns).Delete(ss.Name, &metav1.DeleteOptions{})
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Expect(err).NotTo(HaveOccurred())
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By("Creating a new Statefulset and validating the data")
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validateCmd := "true"
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for i := 0; i < numVols; i++ {
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validateCmd += fmt.Sprintf("&& test -f %v", getVolumeFile(i))
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}
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validateCmd += "&& sleep 10000"
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spec = makeStatefulSetWithPVCs(ns, validateCmd, mounts, claims, probe)
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ss, err = c.AppsV1().StatefulSets(ns).Create(spec)
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Expect(err).NotTo(HaveOccurred())
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ssTester.WaitForRunningAndReady(1, ss)
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})
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})
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})
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