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e2e: added test for verifying that ceph-fuse recovery works for new pods

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Signed-off-by: Robert Vasek <robert.vasek@cern.ch>
This commit is contained in:
Robert Vasek 2022-02-15 15:27:40 +01:00 committed by mergify[bot]
parent 80dda7cc30
commit 548a752ff0
4 changed files with 200 additions and 24 deletions
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129
e2e/cephfs.go
View File

@ -280,6 +280,7 @@ var _ = Describe("cephfs", func() {
It("Test CephFS CSI", func() {
pvcPath := cephFSExamplePath + "pvc.yaml"
appPath := cephFSExamplePath + "pod.yaml"
deplPath := cephFSExamplePath + "deployment.yaml"
appRWOPPath := cephFSExamplePath + "pod-rwop.yaml"
pvcClonePath := cephFSExamplePath + "pvc-restore.yaml"
pvcSmartClonePath := cephFSExamplePath + "pvc-clone.yaml"
@ -504,6 +505,134 @@ var _ = Describe("cephfs", func() {
}
})
By("verifying that ceph-fuse recovery works for new pods", func() {
err := deleteResource(cephFSExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete CephFS storageclass: %v", err)
}
err = createCephfsStorageClass(f.ClientSet, f, true, map[string]string{
"mounter": "fuse",
})
if err != nil {
e2elog.Failf("failed to create CephFS storageclass: %v", err)
}
replicas := int32(2)
pvc, depl, err := validatePVCAndDeploymentAppBinding(
f, pvcPath, deplPath, f.UniqueName, &replicas, deployTimeout,
)
if err != nil {
e2elog.Failf("failed to create PVC and Deployment: %v", err)
}
deplPods, err := listPods(f, depl.Namespace, &metav1.ListOptions{
LabelSelector: fmt.Sprintf("app=%s", depl.Labels["app"]),
})
if err != nil {
e2elog.Failf("failed to list pods for Deployment: %v", err)
}
doStat := func(podName string) (stdErr string, err error) {
_, stdErr, err = execCommandInContainerByPodName(
f,
fmt.Sprintf("stat %s", depl.Spec.Template.Spec.Containers[0].VolumeMounts[0].MountPath),
depl.Namespace,
podName,
depl.Spec.Template.Spec.Containers[0].Name,
)
return stdErr, err
}
ensureStatSucceeds := func(podName string) error {
stdErr, statErr := doStat(podName)
if statErr != nil || stdErr != "" {
return fmt.Errorf(
"expected stat to succeed without error output ; got err %w, stderr %s",
statErr, stdErr,
)
}
return nil
}
pod1Name, pod2Name := deplPods[0].Name, deplPods[1].Name
// stat() ceph-fuse mountpoints to make sure they are working.
for i := range deplPods {
err = ensureStatSucceeds(deplPods[i].Name)
if err != nil {
e2elog.Failf(err.Error())
}
}
// Kill ceph-fuse in cephfs-csi node plugin Pods.
nodePluginSelector, err := getDaemonSetLabelSelector(f, cephCSINamespace, cephFSDeamonSetName)
if err != nil {
e2elog.Failf("failed to get node plugin DaemonSet label selector: %v", err)
}
_, stdErr, err := execCommandInContainer(
f, "killall -9 ceph-fuse", cephCSINamespace, "csi-cephfsplugin", &metav1.ListOptions{
LabelSelector: nodePluginSelector,
},
)
if err != nil {
e2elog.Failf("killall command failed: err %v, stderr %s", err, stdErr)
}
// Verify Pod podName2 that stat()-ing the mountpoint results in ENOTCONN.
stdErr, err = doStat(pod2Name)
if err == nil || !strings.Contains(stdErr, "not connected") {
e2elog.Failf(
"expected stat to fail with 'Transport endpoint not connected' or 'Socket not connected'; got err %v, stderr %s",
err, stdErr,
)
}
// Delete podName2 Pod. This serves two purposes: it verifies that deleting pods with
// corrupted ceph-fuse mountpoints works, and it lets the replicaset controller recreate
// the pod with hopefully mounts working again.
err = deletePod(pod2Name, depl.Namespace, c, deployTimeout)
if err != nil {
e2elog.Failf(err.Error())
}
// Wait for the second Pod to be recreated.
err = waitForDeploymentComplete(c, depl.Name, depl.Namespace, deployTimeout)
if err != nil {
e2elog.Failf(err.Error())
}
// List Deployment's pods again to get name of the new pod.
deplPods, err = listPods(f, depl.Namespace, &metav1.ListOptions{
LabelSelector: fmt.Sprintf("app=%s", depl.Labels["app"]),
})
if err != nil {
e2elog.Failf("failed to list pods for Deployment: %v", err)
}
for i := range deplPods {
if deplPods[i].Name != pod1Name {
pod2Name = deplPods[i].Name
break
}
}
if pod2Name == "" {
podNames := make([]string, len(deplPods))
for i := range deplPods {
podNames[i] = deplPods[i].Name
}
e2elog.Failf("no new replica found ; found replicas %v", podNames)
}
// Verify Pod podName3 has its ceph-fuse mount working again.
err = ensureStatSucceeds(pod2Name)
if err != nil {
e2elog.Failf(err.Error())
}
// Delete created resources.
err = deletePVCAndDeploymentApp(f, pvc, depl)
if err != nil {
e2elog.Failf("failed to delete PVC and Deployment: %v", err)
}
err = deleteResource(cephFSExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete CephFS storageclass: %v", err)
}
})
By("create a PVC and bind it to an app", func() {
err := createCephfsStorageClass(f.ClientSet, f, false, nil)
if err != nil {

23
e2e/pod.go
View File

@ -214,6 +214,29 @@ func execCommandInContainer(
return stdOut, stdErr, err
}
func execCommandInContainerByPodName(
f *framework.Framework, shellCmd, namespace, podName, containerName string,
) (string, string, error) {
cmd := []string{"/bin/sh", "-c", shellCmd}
execOpts := framework.ExecOptions{
Command: cmd,
PodName: podName,
Namespace: namespace,
ContainerName: containerName,
Stdin: nil,
CaptureStdout: true,
CaptureStderr: true,
PreserveWhitespace: true,
}
stdOut, stdErr, err := f.ExecWithOptions(execOpts)
if stdErr != "" {
e2elog.Logf("stdErr occurred: %v", stdErr)
}
return stdOut, stdErr, err
}
func execCommandInToolBoxPod(f *framework.Framework, c, ns string) (string, string, error) {
opt := &metav1.ListOptions{
LabelSelector: rookToolBoxPodLabel,

12
e2e/rbd.go
View File

@ -984,7 +984,7 @@ var _ = Describe("RBD", func() {
}
app.Namespace = f.UniqueName
err = createPVCAndDeploymentApp(f, "", pvc, app, deployTimeout)
err = createPVCAndDeploymentApp(f, pvc, app, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC and application: %v", err)
}
@ -1014,7 +1014,7 @@ var _ = Describe("RBD", func() {
}
}
err = deletePVCAndDeploymentApp(f, "", pvc, app)
err = deletePVCAndDeploymentApp(f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC and application: %v", err)
}
@ -1093,7 +1093,7 @@ var _ = Describe("RBD", func() {
appClone.Namespace = f.UniqueName
appClone.Spec.Template.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvcClone.Name
appClone.Spec.Template.Spec.Volumes[0].PersistentVolumeClaim.ReadOnly = true
err = createPVCAndDeploymentApp(f, "", pvcClone, appClone, deployTimeout)
err = createPVCAndDeploymentApp(f, pvcClone, appClone, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC and application: %v", err)
}
@ -1131,7 +1131,7 @@ var _ = Describe("RBD", func() {
}
}
err = deletePVCAndDeploymentApp(f, "", pvcClone, appClone)
err = deletePVCAndDeploymentApp(f, pvcClone, appClone)
if err != nil {
e2elog.Failf("failed to delete PVC and application: %v", err)
}
@ -1217,7 +1217,7 @@ var _ = Describe("RBD", func() {
appClone.Namespace = f.UniqueName
appClone.Spec.Template.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvcClone.Name
appClone.Spec.Template.Spec.Volumes[0].PersistentVolumeClaim.ReadOnly = true
err = createPVCAndDeploymentApp(f, "", pvcClone, appClone, deployTimeout)
err = createPVCAndDeploymentApp(f, pvcClone, appClone, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC and application: %v", err)
}
@ -1254,7 +1254,7 @@ var _ = Describe("RBD", func() {
e2elog.Failf(stdErr)
}
}
err = deletePVCAndDeploymentApp(f, "", pvcClone, appClone)
err = deletePVCAndDeploymentApp(f, pvcClone, appClone)
if err != nil {
e2elog.Failf("failed to delete PVC and application: %v", err)
}

60
e2e/utils.go
View File

@ -191,19 +191,12 @@ func createPVCAndApp(
return err
}
// createPVCAndDeploymentApp creates pvc and deployment, if name is not empty
// same will be set as pvc and app name.
// createPVCAndDeploymentApp creates pvc and deployment.
func createPVCAndDeploymentApp(
f *framework.Framework,
name string,
pvc *v1.PersistentVolumeClaim,
app *appsv1.Deployment,
pvcTimeout int) error {
if name != "" {
pvc.Name = name
app.Name = name
app.Spec.Template.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = name
}
err := createPVCAndvalidatePV(f.ClientSet, pvc, pvcTimeout)
if err != nil {
return err
@ -213,19 +206,50 @@ func createPVCAndDeploymentApp(
return err
}
// DeletePVCAndDeploymentApp deletes pvc and deployment, if name is not empty
// same will be set as pvc and app name.
func deletePVCAndDeploymentApp(
// validatePVCAndDeploymentAppBinding creates PVC and Deployment, and waits until
// all its replicas are Running. Use `replicas` to override default number of replicas
// defined in `deploymentPath` Deployment manifest.
func validatePVCAndDeploymentAppBinding(
f *framework.Framework,
name string,
pvc *v1.PersistentVolumeClaim,
app *appsv1.Deployment) error {
if name != "" {
pvc.Name = name
app.Name = name
app.Spec.Template.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = name
pvcPath string,
deploymentPath string,
namespace string,
replicas *int32,
pvcTimeout int,
) (*v1.PersistentVolumeClaim, *appsv1.Deployment, error) {
pvc, err := loadPVC(pvcPath)
if err != nil {
return nil, nil, fmt.Errorf("failed to load PVC: %w", err)
}
pvc.Namespace = namespace
depl, err := loadAppDeployment(deploymentPath)
if err != nil {
return nil, nil, fmt.Errorf("failed to load Deployment: %w", err)
}
depl.Namespace = f.UniqueName
if replicas != nil {
depl.Spec.Replicas = replicas
}
err = createPVCAndDeploymentApp(f, pvc, depl, pvcTimeout)
if err != nil {
return nil, nil, err
}
err = waitForDeploymentComplete(f.ClientSet, depl.Name, depl.Namespace, deployTimeout)
if err != nil {
return nil, nil, err
}
return pvc, depl, nil
}
// DeletePVCAndDeploymentApp deletes pvc and deployment.
func deletePVCAndDeploymentApp(
f *framework.Framework,
pvc *v1.PersistentVolumeClaim,
app *appsv1.Deployment) error {
err := deleteDeploymentApp(f.ClientSet, app.Name, app.Namespace, deployTimeout)
if err != nil {
return err