mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-09 16:00:22 +00:00
e2e: add test for cephfs snapshot-backed volumes
Signed-off-by: Robert Vasek <robert.vasek@cern.ch>
This commit is contained in:
parent
fd7559a903
commit
79cb1b3849
136
e2e/cephfs.go
136
e2e/cephfs.go
@ -1209,6 +1209,142 @@ var _ = Describe(cephfsType, func() {
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validateSubvolumeCount(f, 0, fileSystemName, subvolumegroup)
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validateOmapCount(f, 0, cephfsType, metadataPool, volumesType)
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validateOmapCount(f, 0, cephfsType, metadataPool, snapsType)
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err = deleteResource(cephFSExamplePath + "snapshotclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete CephFS snapshotclass: %v", err)
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}
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})
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By("checking snapshot-backed volume", func() {
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err := createCephFSSnapshotClass(f)
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if err != nil {
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e2elog.Failf("failed to delete CephFS storageclass: %v", err)
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}
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pvc, err := loadPVC(pvcPath)
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if err != nil {
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e2elog.Failf("failed to load PVC: %v", err)
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}
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pvc.Namespace = f.UniqueName
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err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to create PVC: %v", err)
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}
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app, err := loadApp(appPath)
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if err != nil {
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e2elog.Failf("failed to load application: %v", err)
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}
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app.Namespace = f.UniqueName
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app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
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appLabels := map[string]string{
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appKey: appLabel,
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}
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app.Labels = appLabels
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optApp := metav1.ListOptions{
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LabelSelector: fmt.Sprintf("%s=%s", appKey, appLabels[appKey]),
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}
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err = writeDataInPod(app, &optApp, f)
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if err != nil {
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e2elog.Failf("failed to write data: %v", err)
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}
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appTestFilePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
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snap := getSnapshot(snapshotPath)
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snap.Namespace = f.UniqueName
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snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
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err = createSnapshot(&snap, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to create snapshot: %v", err)
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}
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err = appendToFileInContainer(f, app, appTestFilePath, "hello", &optApp)
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if err != nil {
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e2elog.Failf("failed to append data: %v", err)
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}
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parentFileSum, err := calculateSHA512sum(f, app, appTestFilePath, &optApp)
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if err != nil {
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e2elog.Failf("failed to get SHA512 sum for file: %v", err)
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}
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err = deleteResource(cephFSExamplePath + "storageclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete CephFS storageclass: %v", err)
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}
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err = createCephfsStorageClass(f.ClientSet, f, false, map[string]string{
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"backingSnapshot": "true",
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})
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if err != nil {
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e2elog.Failf("failed to create CephFS storageclass: %v", err)
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}
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pvcClone, err := loadPVC(pvcClonePath)
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if err != nil {
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e2elog.Failf("failed to load PVC: %v", err)
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}
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// Snapshot-backed volumes support read-only access modes only.
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pvcClone.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadOnlyMany}
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appClone, err := loadApp(appClonePath)
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if err != nil {
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e2elog.Failf("failed to load application: %v", err)
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}
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appCloneLabels := map[string]string{
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appKey: appCloneLabel,
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}
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appClone.Labels = appCloneLabels
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optAppClone := metav1.ListOptions{
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LabelSelector: fmt.Sprintf("%s=%s", appKey, appCloneLabels[appKey]),
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}
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pvcClone.Namespace = f.UniqueName
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appClone.Namespace = f.UniqueName
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err = createPVCAndApp("", f, pvcClone, appClone, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to create PVC and app: %v", err)
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}
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// Snapshot-backed volume shouldn't contribute to total subvolume count.
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validateSubvolumeCount(f, 1, fileSystemName, subvolumegroup)
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// Deleting snapshot before deleting pvcClone should succeed. It will be
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// deleted once all volumes that are backed by this snapshot are gone.
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err = deleteSnapshot(&snap, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to delete snapshot: %v", err)
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}
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appCloneTestFilePath := appClone.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
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snapFileSum, err := calculateSHA512sum(f, appClone, appCloneTestFilePath, &optAppClone)
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if err != nil {
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e2elog.Failf("failed to get SHA512 sum for file: %v", err)
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}
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if parentFileSum == snapFileSum {
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e2elog.Failf("SHA512 sums of files in parent subvol and snapshot should differ")
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}
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err = deletePVCAndApp("", f, pvcClone, appClone)
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if err != nil {
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e2elog.Failf("failed to delete PVC or application: %v", err)
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}
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err = deletePVCAndApp("", f, pvc, app)
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if err != nil {
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e2elog.Failf("failed to delete PVC or application: %v", err)
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}
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err = deleteResource(cephFSExamplePath + "storageclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete CephFS storageclass: %v", err)
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}
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err = createCephfsStorageClass(f.ClientSet, f, false, nil)
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if err != nil {
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e2elog.Failf("failed to create CephFS storageclass: %v", err)
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}
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})
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By("create a PVC-PVC clone and bind it to an app", func() {
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19
e2e/pod.go
19
e2e/pod.go
@ -428,6 +428,25 @@ func calculateSHA512sum(f *framework.Framework, app *v1.Pod, filePath string, op
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return checkSum, nil
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}
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func appendToFileInContainer(
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f *framework.Framework,
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app *v1.Pod,
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filePath,
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toAppend string,
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opt *metav1.ListOptions,
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) error {
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cmd := fmt.Sprintf("echo %q >> %s", toAppend, filePath)
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_, stdErr, err := execCommandInPod(f, cmd, app.Namespace, opt)
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if err != nil {
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return fmt.Errorf("could not append to file %s: %w ; stderr: %s", filePath, err, stdErr)
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}
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if stdErr != "" {
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return fmt.Errorf("could not append to file %s: %v", filePath, stdErr)
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}
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return nil
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}
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// getKernelVersionFromDaemonset gets the kernel version from the specified container.
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func getKernelVersionFromDaemonset(f *framework.Framework, ns, dsn, cn string) (string, error) {
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selector, err := getDaemonSetLabelSelector(f, ns, dsn)
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@ -62,8 +62,9 @@ const (
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// deletePolicy is the default policy in E2E.
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deletePolicy = v1.PersistentVolumeReclaimDelete
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// Default key and label for Listoptions.
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appKey = "app"
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appLabel = "write-data-in-pod"
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appKey = "app"
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appLabel = "write-data-in-pod"
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appCloneLabel = "app-clone"
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noError = ""
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// labels/selector used to list/delete rbd pods.
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