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Merge pull request #35831 from copejon/test-detach-on-ns-deletion

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Automatic merge from submit-queue (batch tested with PRs 35782, 35831, 39279, 40853, 40867)

Test GCE PD unmounts and detaches when the namespace of the pvc&pod is deleted.

Addition to Persistent Volume E2E testing.  On a GCE cluster, create a pv, pvc, and client pod.  Delete the namespace and check that the disk detaches successfully.
@jeffvance

~~DEPENDENT ON~~ #34353 merged.  No dependencies.
This commit is contained in:
Kubernetes Submit Queue 2017-02-02 09:53:48 -08:00 committed by GitHub
commit bf51185d2a
1 changed files with 33 additions and 14 deletions
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47
test/e2e/persistent_volumes.go
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@ -17,6 +17,8 @@ limitations under the License.
package e2e
import (
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -72,6 +74,17 @@ func completeMultiTest(f *framework.Framework, c clientset.Interface, ns string,
deletePVCandValidatePVGroup(c, ns, pvols, claims)
}
// Creates a PV, PVC, and ClientPod that will run until killed by test or clean up.
func initializeGCETestSpec(c clientset.Interface, ns string, pvConfig persistentVolumeConfig, isPrebound bool) (*v1.Pod, *v1.PersistentVolume, *v1.PersistentVolumeClaim) {
By("Creating the PV and PVC")
pv, pvc := createPVPVC(c, pvConfig, ns, isPrebound)
waitOnPVandPVC(c, ns, pv, pvc)
By("Creating the Client Pod")
clientPod := createClientPod(c, ns, pvc)
return clientPod, pv, pvc
}
var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
// global vars for the Context()s and It()'s below
@ -242,6 +255,7 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
var (
diskName string
node types.NodeName
err error
pv *v1.PersistentVolume
pvc *v1.PersistentVolumeClaim
@ -251,6 +265,7 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
BeforeEach(func() {
framework.SkipUnlessProviderIs("gce")
By("Initializing Test Spec")
if diskName == "" {
diskName, err = createPDWithRetry()
Expect(err).NotTo(HaveOccurred())
@ -266,6 +281,8 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
prebind: nil,
}
}
clientPod, pv, pvc = initializeGCETestSpec(c, ns, pvConfig, false)
node = types.NodeName(clientPod.Spec.NodeName)
})
AfterEach(func() {
@ -277,6 +294,7 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
pvc = nil
pv = nil
}
node, clientPod, pvc, pv = "", nil, nil, nil
})
AddCleanupAction(func() {
@ -288,13 +306,6 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
// Attach a persistent disk to a pod using a PVC.
// Delete the PVC and then the pod. Expect the pod to succeed in unmounting and detaching PD on delete.
It("should test that deleting a PVC before the pod does not cause pod deletion to fail on PD detach", func() {
By("Creating the PV and PVC")
pv, pvc = createPVPVC(c, pvConfig, ns, false)
waitOnPVandPVC(c, ns, pv, pvc)
By("Creating the Client Pod")
clientPod = createClientPod(c, ns, pvc)
node := types.NodeName(clientPod.Spec.NodeName)
By("Deleting the Claim")
deletePersistentVolumeClaim(c, pvc.Name, ns)
@ -311,13 +322,6 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
// Attach a persistent disk to a pod using a PVC.
// Delete the PV and then the pod. Expect the pod to succeed in unmounting and detaching PD on delete.
It("should test that deleting the PV before the pod does not cause pod deletion to fail on PD detach", func() {
By("Creating the PV and PVC")
pv, pvc = createPVPVC(c, pvConfig, ns, false)
waitOnPVandPVC(c, ns, pv, pvc)
By("Creating the Client Pod")
clientPod = createClientPod(c, ns, pvc)
node := types.NodeName(clientPod.Spec.NodeName)
By("Deleting the Persistent Volume")
deletePersistentVolume(c, pv.Name)
@ -330,5 +334,20 @@ var _ = framework.KubeDescribe("PersistentVolumes [Volume][Serial]", func() {
err = waitForPDDetach(diskName, node)
Expect(err).NotTo(HaveOccurred())
})
// Test that a Pod and PVC attached to a GCEPD successfully unmounts and detaches when the encompassing Namespace is deleted.
It("should test that deleting the Namespace of a PVC and Pod causes the successful detach of Persistent Disk", func() {
By("Deleting the Namespace")
err := c.Core().Namespaces().Delete(ns, nil)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForNamespacesDeleted(c, []string{ns}, 3*time.Minute)
Expect(err).NotTo(HaveOccurred())
By("Verifying Persistent Disk detaches")
err = waitForPDDetach(diskName, node)
Expect(err).NotTo(HaveOccurred())
})
})
})