mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-25 07:40:19 +00:00
d435b59656
this commit adds the timeout to wait for pvc deletion after the deletion of pod in test. Signed-off-by: riya-singhal31 <rsinghal@redhat.com>
465 lines
14 KiB
Go
465 lines
14 KiB
Go
/*
|
|
Copyright 2021 The Ceph-CSI Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package e2e
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
apierrs "k8s.io/apimachinery/pkg/api/errors"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/client-go/kubernetes"
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
|
|
)
|
|
|
|
func loadPVC(path string) (*v1.PersistentVolumeClaim, error) {
|
|
pvc := &v1.PersistentVolumeClaim{}
|
|
err := unmarshal(path, &pvc)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return pvc, err
|
|
}
|
|
|
|
func createPVCAndvalidatePV(c kubernetes.Interface, pvc *v1.PersistentVolumeClaim, t int) error {
|
|
timeout := time.Duration(t) * time.Minute
|
|
ctx := context.TODO()
|
|
pv := &v1.PersistentVolume{}
|
|
var err error
|
|
_, err = c.CoreV1().PersistentVolumeClaims(pvc.Namespace).Create(ctx, pvc, metav1.CreateOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create pvc: %w", err)
|
|
}
|
|
if timeout == 0 {
|
|
return nil
|
|
}
|
|
name := pvc.Name
|
|
namespace := pvc.Namespace
|
|
start := time.Now()
|
|
framework.Logf("Waiting up to %v to be in Bound state", pvc)
|
|
|
|
return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
|
|
framework.Logf("waiting for PVC %s (%d seconds elapsed)", name, int(time.Since(start).Seconds()))
|
|
pvc, err = c.CoreV1().PersistentVolumeClaims(namespace).Get(ctx, name, metav1.GetOptions{})
|
|
if err != nil {
|
|
framework.Logf("Error getting pvc %q in namespace %q: %v", name, namespace, err)
|
|
if isRetryableAPIError(err) {
|
|
return false, nil
|
|
}
|
|
if apierrs.IsNotFound(err) {
|
|
return false, nil
|
|
}
|
|
|
|
return false, fmt.Errorf("failed to get pvc: %w", err)
|
|
}
|
|
|
|
if pvc.Spec.VolumeName == "" {
|
|
return false, nil
|
|
}
|
|
|
|
pv, err = c.CoreV1().PersistentVolumes().Get(ctx, pvc.Spec.VolumeName, metav1.GetOptions{})
|
|
if err != nil {
|
|
if isRetryableAPIError(err) {
|
|
return false, nil
|
|
}
|
|
if apierrs.IsNotFound(err) {
|
|
return false, nil
|
|
}
|
|
|
|
return false, fmt.Errorf("failed to get pv: %w", err)
|
|
}
|
|
err = e2epv.WaitOnPVandPVC(
|
|
ctx,
|
|
c,
|
|
&framework.TimeoutContext{ClaimBound: timeout, PVBound: timeout},
|
|
namespace,
|
|
pv,
|
|
pvc)
|
|
if err != nil {
|
|
return false, fmt.Errorf("failed to wait for the pv and pvc to bind: %w", err)
|
|
}
|
|
|
|
return true, nil
|
|
})
|
|
}
|
|
|
|
func createPVCAndPV(c kubernetes.Interface, pvc *v1.PersistentVolumeClaim, pv *v1.PersistentVolume) error {
|
|
_, err := c.CoreV1().PersistentVolumeClaims(pvc.Namespace).Create(context.TODO(), pvc, metav1.CreateOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create pvc: %w", err)
|
|
}
|
|
_, err = c.CoreV1().PersistentVolumes().Create(context.TODO(), pv, metav1.CreateOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create pv: %w", err)
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
func deletePVCAndPV(c kubernetes.Interface, pvc *v1.PersistentVolumeClaim, pv *v1.PersistentVolume, t int) error {
|
|
ctx := context.TODO()
|
|
err := c.CoreV1().PersistentVolumeClaims(pvc.Namespace).Delete(ctx, pvc.Name, metav1.DeleteOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to delete pvc: %w", err)
|
|
}
|
|
err = c.CoreV1().PersistentVolumes().Delete(ctx, pv.Name, metav1.DeleteOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to delete pv: %w", err)
|
|
}
|
|
|
|
timeout := time.Duration(t) * time.Minute
|
|
start := time.Now()
|
|
|
|
pvcToDelete := pvc
|
|
err = wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
|
|
// Check that the PVC is deleted.
|
|
framework.Logf(
|
|
"waiting for PVC %s in state %s to be deleted (%d seconds elapsed)",
|
|
pvcToDelete.Name,
|
|
pvcToDelete.Status.String(),
|
|
int(time.Since(start).Seconds()))
|
|
pvcToDelete, err = c.CoreV1().
|
|
PersistentVolumeClaims(pvc.Namespace).
|
|
Get(ctx, pvc.Name, metav1.GetOptions{})
|
|
if err == nil {
|
|
if pvcToDelete.Status.Phase == "" {
|
|
// this is unexpected, an empty Phase is not defined
|
|
// FIXME: see https://github.com/ceph/ceph-csi/issues/1874
|
|
framework.Logf("PVC %s is in a weird state: %s", pvcToDelete.Name, pvcToDelete.String())
|
|
}
|
|
|
|
return false, nil
|
|
}
|
|
if isRetryableAPIError(err) {
|
|
return false, nil
|
|
}
|
|
if !apierrs.IsNotFound(err) {
|
|
return false, fmt.Errorf(
|
|
"get on deleted PVC %v failed with error other than \"not found\": %w",
|
|
pvc.Name,
|
|
err)
|
|
}
|
|
|
|
return true, nil
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to poll: %w", err)
|
|
}
|
|
|
|
start = time.Now()
|
|
pvToDelete := pv
|
|
|
|
return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
|
|
// Check that the PV is deleted.
|
|
framework.Logf(
|
|
"waiting for PV %s in state %s to be deleted (%d seconds elapsed)",
|
|
pvToDelete.Name,
|
|
pvToDelete.Status.String(),
|
|
int(time.Since(start).Seconds()))
|
|
|
|
pvToDelete, err = c.CoreV1().PersistentVolumes().Get(ctx, pv.Name, metav1.GetOptions{})
|
|
if err == nil {
|
|
return false, nil
|
|
}
|
|
if isRetryableAPIError(err) {
|
|
return false, nil
|
|
}
|
|
if !apierrs.IsNotFound(err) {
|
|
return false, fmt.Errorf("delete PV %v failed with error other than \"not found\": %w", pv.Name, err)
|
|
}
|
|
|
|
return true, nil
|
|
})
|
|
}
|
|
|
|
// getPersistentVolumeClaim returns the PersistentVolumeClaim with the given
|
|
// name in the given namespace and retries if there is any API error.
|
|
func getPersistentVolumeClaim(c kubernetes.Interface, namespace, name string) (*v1.PersistentVolumeClaim, error) {
|
|
var pvc *v1.PersistentVolumeClaim
|
|
var err error
|
|
timeout := time.Duration(deployTimeout) * time.Minute
|
|
err = wait.PollUntilContextTimeout(
|
|
context.TODO(),
|
|
1*time.Second,
|
|
timeout,
|
|
true,
|
|
func(ctx context.Context) (bool, error) {
|
|
pvc, err = c.CoreV1().PersistentVolumeClaims(namespace).Get(ctx, name, metav1.GetOptions{})
|
|
if err != nil {
|
|
framework.Logf("Error getting pvc %q in namespace %q: %v", name, namespace, err)
|
|
if isRetryableAPIError(err) {
|
|
return false, nil
|
|
}
|
|
|
|
return false, fmt.Errorf("failed to get pvc: %w", err)
|
|
}
|
|
|
|
return true, err
|
|
})
|
|
|
|
return pvc, err
|
|
}
|
|
|
|
// getPersistentVolume returns the PersistentVolume with the given
|
|
// name and retries if there is any API error.
|
|
func getPersistentVolume(c kubernetes.Interface, name string) (*v1.PersistentVolume, error) {
|
|
var pv *v1.PersistentVolume
|
|
var err error
|
|
timeout := time.Duration(deployTimeout) * time.Minute
|
|
err = wait.PollUntilContextTimeout(
|
|
context.TODO(),
|
|
1*time.Second,
|
|
timeout,
|
|
true,
|
|
func(ctx context.Context) (bool, error) {
|
|
pv, err = c.CoreV1().PersistentVolumes().Get(ctx, name, metav1.GetOptions{})
|
|
if err != nil {
|
|
framework.Logf("Error getting pv %q: %v", name, err)
|
|
if isRetryableAPIError(err) {
|
|
return false, nil
|
|
}
|
|
|
|
return false, fmt.Errorf("failed to get pv: %w", err)
|
|
}
|
|
|
|
return true, err
|
|
})
|
|
|
|
return pv, err
|
|
}
|
|
|
|
func getPVCAndPV(
|
|
c kubernetes.Interface,
|
|
pvcName, pvcNamespace string,
|
|
) (*v1.PersistentVolumeClaim, *v1.PersistentVolume, error) {
|
|
pvc, err := getPersistentVolumeClaim(c, pvcNamespace, pvcName)
|
|
if err != nil {
|
|
return nil, nil, fmt.Errorf("failed to get PVC: %w", err)
|
|
}
|
|
pv, err := getPersistentVolume(c, pvc.Spec.VolumeName)
|
|
if err != nil {
|
|
return pvc, nil, fmt.Errorf("failed to get PV: %w", err)
|
|
}
|
|
|
|
return pvc, pv, nil
|
|
}
|
|
|
|
func deletePVCAndValidatePV(c kubernetes.Interface, pvc *v1.PersistentVolumeClaim, t int) error {
|
|
timeout := time.Duration(t) * time.Minute
|
|
nameSpace := pvc.Namespace
|
|
name := pvc.Name
|
|
ctx := context.TODO()
|
|
var err error
|
|
framework.Logf("Deleting PersistentVolumeClaim %v on namespace %v", name, nameSpace)
|
|
|
|
pvc, err = getPersistentVolumeClaim(c, nameSpace, name)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get pvc: %w", err)
|
|
}
|
|
pv, err := getPersistentVolume(c, pvc.Spec.VolumeName)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get pv: %w", err)
|
|
}
|
|
|
|
err = c.CoreV1().PersistentVolumeClaims(nameSpace).Delete(ctx, name, metav1.DeleteOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("delete of PVC %v failed: %w", name, err)
|
|
}
|
|
start := time.Now()
|
|
|
|
return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
|
|
// Check that the PVC is really deleted.
|
|
framework.Logf(
|
|
"waiting for PVC %s in state %s to be deleted (%d seconds elapsed)",
|
|
name,
|
|
pvc.Status.String(),
|
|
int(time.Since(start).Seconds()))
|
|
pvc, err = c.CoreV1().PersistentVolumeClaims(nameSpace).Get(ctx, name, metav1.GetOptions{})
|
|
if err == nil {
|
|
framework.Logf("PVC %s (status: %s) has not been deleted yet, rechecking...", name, pvc.Status)
|
|
|
|
return false, nil
|
|
}
|
|
if isRetryableAPIError(err) {
|
|
framework.Logf("failed to verify deletion of PVC %s (status: %s): %v", name, pvc.Status, err)
|
|
|
|
return false, nil
|
|
}
|
|
if !apierrs.IsNotFound(err) {
|
|
return false, fmt.Errorf("get on deleted PVC %v failed with error other than \"not found\": %w", name, err)
|
|
}
|
|
|
|
// Examine the pv.ClaimRef and UID. Expect nil values.
|
|
oldPV, err := c.CoreV1().PersistentVolumes().Get(ctx, pv.Name, metav1.GetOptions{})
|
|
if err == nil {
|
|
framework.Logf("PV %s (status: %s) has not been deleted yet, rechecking...", pv.Name, oldPV.Status)
|
|
|
|
return false, nil
|
|
}
|
|
if isRetryableAPIError(err) {
|
|
framework.Logf("failed to verify deletion of PV %s (status: %s): %v", pv.Name, oldPV.Status, err)
|
|
|
|
return false, nil
|
|
}
|
|
if !apierrs.IsNotFound(err) {
|
|
return false, fmt.Errorf("delete PV %v failed with error other than \"not found\": %w", pv.Name, err)
|
|
}
|
|
|
|
return true, nil
|
|
})
|
|
}
|
|
|
|
// getBoundPV returns a PV details.
|
|
func getBoundPV(client kubernetes.Interface, pvc *v1.PersistentVolumeClaim) (*v1.PersistentVolume, error) {
|
|
// Get new copy of the claim
|
|
claim, err := getPersistentVolumeClaim(client, pvc.Namespace, pvc.Name)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to get pvc: %w", err)
|
|
}
|
|
|
|
// Get the bound PV
|
|
pv, err := client.CoreV1().PersistentVolumes().Get(context.TODO(), claim.Spec.VolumeName, metav1.GetOptions{})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to get pv: %w", err)
|
|
}
|
|
|
|
return pv, nil
|
|
}
|
|
|
|
func checkPVSelectorValuesForPVC(f *framework.Framework, pvc *v1.PersistentVolumeClaim) error {
|
|
pv, err := getBoundPV(f.ClientSet, pvc)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if len(pv.Spec.NodeAffinity.Required.NodeSelectorTerms) == 0 {
|
|
return errors.New("found empty NodeSelectorTerms in PV")
|
|
}
|
|
|
|
rFound := false
|
|
zFound := false
|
|
for _, expression := range pv.Spec.NodeAffinity.Required.NodeSelectorTerms[0].MatchExpressions {
|
|
switch expression.Key {
|
|
case nodeCSIRegionLabel:
|
|
if rFound {
|
|
return errors.New("found multiple occurrences of topology key for region")
|
|
}
|
|
rFound = true
|
|
if expression.Values[0] != regionValue {
|
|
return errors.New("topology value for region label mismatch")
|
|
}
|
|
case nodeCSIZoneLabel:
|
|
if zFound {
|
|
return errors.New("found multiple occurrences of topology key for zone")
|
|
}
|
|
zFound = true
|
|
if expression.Values[0] != zoneValue {
|
|
return errors.New("topology value for zone label mismatch")
|
|
}
|
|
default:
|
|
return errors.New("unexpected key in node selector terms found in PV")
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func getMetricsForPVC(f *framework.Framework, pvc *v1.PersistentVolumeClaim, t int) error {
|
|
kubelet, err := getKubeletIP(f.ClientSet)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// kubelet needs to be started with --read-only-port=10255
|
|
cmd := fmt.Sprintf("curl --silent 'http://%s:10255/metrics'", kubelet)
|
|
|
|
// retry as kubelet does not immediately have the metrics available
|
|
timeout := time.Duration(t) * time.Minute
|
|
|
|
return wait.PollUntilContextTimeout(context.TODO(), poll, timeout, true, func(_ context.Context) (bool, error) {
|
|
stdOut, stdErr, err := execCommandInToolBoxPod(f, cmd, rookNamespace)
|
|
if err != nil {
|
|
framework.Logf("failed to get metrics for pvc %q (%v): %v", pvc.Name, err, stdErr)
|
|
|
|
return false, nil
|
|
}
|
|
if stdOut == "" {
|
|
framework.Logf("no metrics received from kubelet on IP %s", kubelet)
|
|
|
|
return false, nil
|
|
}
|
|
|
|
namespace := fmt.Sprintf("namespace=%q", pvc.Namespace)
|
|
name := fmt.Sprintf("persistentvolumeclaim=%q", pvc.Name)
|
|
|
|
for _, line := range strings.Split(stdOut, "\n") {
|
|
if !strings.HasPrefix(line, "kubelet_volume_stats_") {
|
|
continue
|
|
}
|
|
if strings.Contains(line, namespace) && strings.Contains(line, name) {
|
|
// TODO: validate metrics if possible
|
|
framework.Logf("found metrics for pvc %s/%s: %s", pvc.Namespace, pvc.Name, line)
|
|
|
|
return true, nil
|
|
}
|
|
}
|
|
|
|
framework.Logf("no metrics found for pvc %s/%s", pvc.Namespace, pvc.Name)
|
|
|
|
return false, nil
|
|
})
|
|
}
|
|
|
|
func waitForPVCToBeDeleted(c kubernetes.Interface, namespace, pvcName string, t int) error {
|
|
timeout := time.Duration(t) * time.Minute
|
|
ctx := context.TODO()
|
|
start := time.Now()
|
|
|
|
return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
|
|
pvc, err := c.CoreV1().PersistentVolumeClaims(namespace).Get(ctx, pvcName, metav1.GetOptions{})
|
|
// Check that the PVC is really deleted.
|
|
framework.Logf(
|
|
"waiting for PVC %s in state %s to be deleted (%d seconds elapsed)",
|
|
pvcName,
|
|
pvc.Status.String(),
|
|
int(time.Since(start).Seconds()))
|
|
if err == nil {
|
|
framework.Logf("PVC %s (status: %s) has not been deleted yet, rechecking...", pvcName, pvc.Status)
|
|
|
|
return false, nil
|
|
}
|
|
if isRetryableAPIError(err) {
|
|
framework.Logf("failed to verify deletion of PVC %s (status: %s): %v", pvcName, pvc.Status, err)
|
|
|
|
return false, nil
|
|
}
|
|
if !apierrs.IsNotFound(err) {
|
|
return false, fmt.Errorf("get on deleted PVC %v failed with error other than \"not found\": %w", pvcName, err)
|
|
}
|
|
|
|
// PVC has been successfully deleted
|
|
return true, nil
|
|
})
|
|
}
|