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https://github.com/k3s-io/kubernetes.git
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Rename and restructure local PV tests
This commit is contained in:
Michelle Au
parent
1e1b32bf01
commit
64c139ddbb
@ -141,7 +141,7 @@ var (
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Level: "s0:c0,c1"}
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)
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var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolumes] [Serial]", func() {
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var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolumes]", func() {
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f := framework.NewDefaultFramework("persistent-local-volumes-test")
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var (
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@ -168,104 +168,89 @@ var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolum
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}
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})
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// TODO: move this under volumeType loop
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Context("when one pod requests one prebound PVC", func() {
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var testVol *localTestVolume
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BeforeEach(func() {
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setupStorageClass(config, &waitMode)
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testVols := setupLocalVolumesPVCsPVs(config, DirectoryLocalVolumeType, config.node0, 1, waitMode)
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testVol = testVols[0]
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})
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AfterEach(func() {
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cleanupLocalVolumes(config, []*localTestVolume{testVol})
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cleanupStorageClass(config)
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})
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It("should be able to mount volume and read from pod1", func() {
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By("Creating pod1")
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pod1, pod1Err := createLocalPod(config, testVol)
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Expect(pod1Err).NotTo(HaveOccurred())
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verifyLocalPod(config, testVol, pod1, config.node0.Name)
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By("Reading in pod1")
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// testFileContent was written during setupLocalVolume
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testReadFileContent(volumeDir, testFile, testFileContent, pod1)
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By("Deleting pod1")
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framework.DeletePodOrFail(config.client, config.ns, pod1.Name)
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})
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It("should be able to mount volume and write from pod1", func() {
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By("Creating pod1")
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pod1, pod1Err := createLocalPod(config, testVol)
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Expect(pod1Err).NotTo(HaveOccurred())
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verifyLocalPod(config, testVol, pod1, config.node0.Name)
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// testFileContent was written during setupLocalVolume
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testReadFileContent(volumeDir, testFile, testFileContent, pod1)
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By("Writing in pod1")
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writeCmd, _ := createWriteAndReadCmds(volumeDir, testFile, testVol.hostDir /*writeTestFileContent*/)
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podRWCmdExec(pod1, writeCmd)
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By("Deleting pod1")
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framework.DeletePodOrFail(config.client, config.ns, pod1.Name)
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})
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})
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localVolumeTypes := []localVolumeType{DirectoryLocalVolumeType, TmpfsLocalVolumeType, GCELocalSSDVolumeType}
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for _, tempTestVolType := range localVolumeTypes {
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// New variable required for gingko test closures
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testVolType := tempTestVolType
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ctxString := fmt.Sprintf("[Volume type: %s]", testVolType)
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serialStr := ""
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if testVolType == GCELocalSSDVolumeType {
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serialStr = " [Serial]"
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}
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ctxString := fmt.Sprintf("[Volume type: %s]%v", testVolType, serialStr)
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testMode := immediateMode
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Context(ctxString, func() {
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var testVol *localTestVolume
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BeforeEach(func() {
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if testVolType == GCELocalSSDVolumeType {
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SkipUnlessLocalSSDExists("scsi", "fs", config.node0)
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}
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setupStorageClass(config, &testMode)
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testVols := setupLocalVolumesPVCsPVs(config, testVolType, config.node0, 1, testMode)
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testVol = testVols[0]
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})
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AfterEach(func() {
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cleanupLocalVolumes(config, []*localTestVolume{testVol})
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cleanupStorageClass(config)
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})
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Context("when two pods mount a local volume at the same time", func() {
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It("should be able to write from pod1 and read from pod2", func() {
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var testVol *localTestVolume
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testVols := setupLocalVolumesPVCsPVs(config, testVolType, config.node0, 1, testMode)
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testVol = testVols[0]
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twoPodsReadWriteTest(config, testVol)
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cleanupLocalVolumes(config, testVols)
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Context("One pod requesting one prebound PVC", func() {
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var (
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pod1 *v1.Pod
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pod1Err error
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)
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BeforeEach(func() {
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By("Creating pod1")
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pod1, pod1Err = createLocalPod(config, testVol)
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Expect(pod1Err).NotTo(HaveOccurred())
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verifyLocalPod(config, testVol, pod1, config.node0.Name)
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})
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AfterEach(func() {
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By("Deleting pod1")
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framework.DeletePodOrFail(config.client, config.ns, pod1.Name)
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})
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It("should be able to mount volume and read from pod1", func() {
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By("Reading in pod1")
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// testFileContent was written during setupLocalVolume
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testReadFileContent(volumeDir, testFile, testFileContent, pod1)
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})
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It("should be able to mount volume and write from pod1", func() {
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// testFileContent was written during setupLocalVolume
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testReadFileContent(volumeDir, testFile, testFileContent, pod1)
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By("Writing in pod1")
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writeCmd, _ := createWriteAndReadCmds(volumeDir, testFile, testVol.hostDir /*writeTestFileContent*/)
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podRWCmdExec(pod1, writeCmd)
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})
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})
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Context("when two pods mount a local volume one after the other", func() {
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Context("Two pods mounting a local volume at the same time", func() {
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It("should be able to write from pod1 and read from pod2", func() {
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twoPodsReadWriteTest(config, testVol)
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})
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})
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Context("Two pods mounting a local volume one after the other", func() {
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It("should be able to write from pod1 and read from pod2", func() {
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var testVol *localTestVolume
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testVols := setupLocalVolumesPVCsPVs(config, testVolType, config.node0, 1, testMode)
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testVol = testVols[0]
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twoPodsReadWriteSerialTest(config, testVol)
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cleanupLocalVolumes(config, testVols)
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})
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})
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})
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}
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Context("when local volume cannot be mounted [Slow]", func() {
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Context("Local volume that cannot be mounted [Slow]", func() {
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// TODO:
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// - make the pod create timeout shorter
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// - check for these errors in unit tests intead
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It("should fail mount due to non-existant path", func() {
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It("should fail due to non-existant path", func() {
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ep := &eventPatterns{
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reason: "FailedMount",
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pattern: make([]string, 2)}
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@ -282,11 +267,10 @@ var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolum
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pod, err := createLocalPod(config, testVol)
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Expect(err).To(HaveOccurred())
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checkPodEvents(config, pod.Name, ep)
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verifyLocalVolume(config, testVol)
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cleanupLocalPVCsPVs(config, []*localTestVolume{testVol})
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})
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It("should fail mount due to wrong node", func() {
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It("should fail due to wrong node", func() {
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if len(config.nodes) < 2 {
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framework.Skipf("Runs only when number of nodes >= 2")
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}
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@ -312,7 +296,7 @@ var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolum
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})
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})
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Context("when pod's node is different from PV's NodeAffinity", func() {
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Context("Pod with node different from PV's NodeAffinity", func() {
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var (
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testVol *localTestVolume
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volumeType localVolumeType
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@ -334,16 +318,16 @@ var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolum
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cleanupStorageClass(config)
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})
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It("should not be able to mount due to different NodeAffinity", func() {
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It("should fail scheduling due to different NodeAffinity", func() {
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testPodWithNodeConflict(config, volumeType, config.nodes[1].Name, makeLocalPodWithNodeAffinity, immediateMode)
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})
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It("should not be able to mount due to different NodeSelector", func() {
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It("should fail scheduling due to different NodeSelector", func() {
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testPodWithNodeConflict(config, volumeType, config.nodes[1].Name, makeLocalPodWithNodeSelector, immediateMode)
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})
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})
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Context("when using local volume provisioner", func() {
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Context("Local volume provisioner [Serial]", func() {
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var volumePath string
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BeforeEach(func() {
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@ -400,7 +384,7 @@ var _ = utils.SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolum
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})
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})
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Context("when StatefulSet has pod anti-affinity", func() {
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Context("StatefulSet with pod anti-affinity", func() {
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var testVols map[string][]*localTestVolume
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const (
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ssReplicas = 3
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@ -806,6 +790,7 @@ func createSecPod(config *localTestConfig, volume *localTestVolume, hostIPC bool
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}
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func createLocalPod(config *localTestConfig, volume *localTestVolume) (*v1.Pod, error) {
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By("Creating a pod")
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return framework.CreateSecPod(config.client, config.ns, []*v1.PersistentVolumeClaim{volume.pvc}, false, "", false, false, selinuxLabel)
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}
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@ -1288,7 +1273,17 @@ func validateStatefulSet(config *localTestConfig, ss *appsv1.StatefulSet) {
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Expect(nodes.Len()).To(Equal(len(pods.Items)))
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// TODO: validate all PVCs are bound
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// Validate all PVCs are bound
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for _, pod := range pods.Items {
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for _, volume := range pod.Spec.Volumes {
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pvcSource := volume.VolumeSource.PersistentVolumeClaim
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if pvcSource != nil {
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err := framework.WaitForPersistentVolumeClaimPhase(
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v1.ClaimBound, config.client, config.ns, pvcSource.ClaimName, framework.Poll, time.Second)
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Expect(err).NotTo(HaveOccurred())
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}
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}
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}
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}
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// SkipUnlessLocalSSDExists takes in an ssdInterface (scsi/nvme) and a filesystemType (fs/block)
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