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e2e: pvc mounting when snap and parent pvc is deleted

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Added an E2E test to test below case

* Create PVC
* Create Snapshot from PVC
* Delete PVC
* Create Clone from Snapshot
* Delete Snapshot
* Mount clone to Application
* Delete Application and PVC Clone

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit fa36a46682)
This commit is contained in:
Madhu Rajanna 2021-05-03 16:52:30 +05:30 committed by mergify[bot]
parent 5e9f007ffd
commit 4bec4c1818
1 changed files with 106 additions and 0 deletions
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106
e2e/rbd.go
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@ -1088,6 +1088,112 @@ var _ = Describe("RBD", func() {
}
})
By("validate PVC mounting if snapshot and parent PVC are deleted", func() {
// snapshot beta is only supported from v1.17+
if !k8sVersionGreaterEquals(f.ClientSet, 1, 17) {
Skip("pvc restore is only supported from v1.17+")
}
err := createRBDSnapshotClass(f)
if err != nil {
e2elog.Failf("failed to create storageclass with error %v", err)
}
defer func() {
err = deleteRBDSnapshotClass()
if err != nil {
e2elog.Failf("failed to delete VolumeSnapshotClass: %v", err)
}
}()
// create PVC and bind it to an app
pvc, err := loadPVC(pvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
pvc.Namespace = f.UniqueName
app, err := loadApp(appPath)
if err != nil {
e2elog.Failf("failed to load application with error %v", err)
}
app.Namespace = f.UniqueName
err = createPVCAndApp("", f, pvc, app, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC and application with error %v", err)
}
// validate created backend rbd images
validateRBDImageCount(f, 1)
snap := getSnapshot(snapshotPath)
snap.Namespace = f.UniqueName
snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
err = createSnapshot(&snap, deployTimeout)
if err != nil {
e2elog.Failf("failed to create snapshot with error %v", err)
}
// validate created backend rbd images
// parent PVC + snapshot
totalImages := 2
validateRBDImageCount(f, totalImages)
pvcClone, err := loadPVC(pvcClonePath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
// delete parent PVC
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC and application with error %v", err)
}
// validate created backend rbd images
validateRBDImageCount(f, 1)
// create clone PVC
pvcClone.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvcClone, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
// validate created backend rbd images = snapshot + clone
totalImages = 2
validateRBDImageCount(f, totalImages)
// delete snapshot
err = deleteSnapshot(&snap, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete snapshot with error %v", err)
}
// validate created backend rbd images = clone
totalImages = 1
validateRBDImageCount(f, totalImages)
appClone, err := loadApp(appClonePath)
if err != nil {
e2elog.Failf("failed to load application with error %v", err)
}
appClone.Namespace = f.UniqueName
appClone.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvcClone.Name
// create application
err = createApp(f.ClientSet, appClone, deployTimeout)
if err != nil {
e2elog.Failf("failed to create application with error %v", err)
}
err = deletePod(appClone.Name, appClone.Namespace, f.ClientSet, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete application with error %v", err)
}
// delete PVC clone
err = deletePVCAndValidatePV(f.ClientSet, pvcClone, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
// validate created backend rbd images
validateRBDImageCount(f, 0)
})
By("ensuring all operations will work within a rados namespace", func() {
updateConfigMap := func(radosNS string) {
radosNamespace = radosNS