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e2e: add test case for app deletion with unmounted cephFS volume

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Checks app deletion when cephFS volume is already unmounted.
Creates app, pvc and binds them. Unmounts the volume through
umount cmd in cephFS plugin and checks app deletion.

Signed-off-by: Rakshith R <rar@redhat.com>
This commit is contained in:
Rakshith R 2021-03-22 11:47:42 +05:30 committed by mergify[bot]
parent e2dc8439e4
commit 9e957520ae
2 changed files with 38 additions and 0 deletions
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18
e2e/cephfs.go
View File

@ -24,6 +24,7 @@ var (
cephfsNodePluginPSP = "csi-nodeplugin-psp.yaml"
cephfsDeploymentName = "csi-cephfsplugin-provisioner"
cephfsDeamonSetName = "csi-cephfsplugin"
cephfsContainerName = "csi-cephfsplugin"
cephfsDirPath = "../deploy/cephfs/kubernetes/"
cephfsExamplePath = "../examples/cephfs/"
subvolumegroup = "e2e"
@ -427,6 +428,23 @@ var _ = Describe("cephfs", func() {
}
})
By("Create PVC, bind it to an app, unmount volume and check app deletion", func() {
pvc, app, err := createPVCAndAppBinding(pvcPath, appPath, f, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC or application with error %v", err)
}
err = unmountCephFSVolume(f, app.Name, pvc.Name)
if err != nil {
e2elog.Failf("failed to unmount volume with error %v", err)
}
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC or application with error %v", err)
}
})
By("create PVC, delete backing subvolume and check pv deletion", func() {
pvc, err := loadPVC(pvcPath)
if err != nil {

20
e2e/cephfs_helper.go
View File

@ -101,6 +101,26 @@ func createCephfsSecret(f *framework.Framework, secretName, userName, userKey st
return err
}
// unmountCephFSVolume unmounts a cephFS volume mounted on a pod.
func unmountCephFSVolume(f *framework.Framework, appName, pvcName string) error {
pod, err := f.ClientSet.CoreV1().Pods(f.UniqueName).Get(context.TODO(), appName, metav1.GetOptions{})
if err != nil {
e2elog.Logf("Error occurred getting pod %s in namespace %s", appName, f.UniqueName)
return err
}
pvc, err := f.ClientSet.CoreV1().PersistentVolumeClaims(f.UniqueName).Get(context.TODO(), pvcName, metav1.GetOptions{})
if err != nil {
e2elog.Logf("Error occurred getting PVC %s in namespace %s", pvcName, f.UniqueName)
return err
}
cmd := fmt.Sprintf("umount /var/lib/kubelet/pods/%s/volumes/kubernetes.io~csi/%s/mount", pod.UID, pvc.Spec.VolumeName)
_, stdErr, err := execCommandInDaemonsetPod(f, cmd, cephfsDeamonSetName, pod.Spec.NodeName, cephfsContainerName, cephCSINamespace)
if stdErr != "" {
e2elog.Logf("StdErr occurred: %s", stdErr)
}
return err
}
func deleteBackingCephFSVolume(f *framework.Framework, pvc *v1.PersistentVolumeClaim) error {
imageData, err := getImageInfoFromPVC(pvc.Namespace, pvc.Name, f)
if err != nil {