ceph-csi/e2e/utils.go

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package e2e
import (
"context"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"regexp"
"strings"
"sync"
"time"
snapapi "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
batch "k8s.io/api/batch/v1"
v1 "k8s.io/api/core/v1"
scv1 "k8s.io/api/storage/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/util/wait"
utilyaml "k8s.io/apimachinery/pkg/util/yaml"
"k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
)
/* #nosec:G101, values not credentials, just a reference to the location.*/
const (
defaultNs = "default"
defaultSCName = ""
rookToolBoxPodLabel = "app=rook-ceph-tools"
rbdMountOptions = "mountOptions"
retainPolicy = v1.PersistentVolumeReclaimRetain
// deletePolicy is the default policy in E2E.
deletePolicy = v1.PersistentVolumeReclaimDelete
// Default key and label for Listoptions.
appKey = "app"
appLabel = "write-data-in-pod"
noError = ""
)
var (
// cli flags.
deployTimeout int
deployCephFS bool
deployRBD bool
testCephFS bool
testRBD bool
helmTest bool
upgradeTesting bool
upgradeVersion string
cephCSINamespace string
rookNamespace string
radosNamespace string
ns string
poll = 2 * time.Second
)
func initResources() {
ns = fmt.Sprintf("--namespace=%v", cephCSINamespace)
}
func getMons(ns string, c kubernetes.Interface) ([]string, error) {
opt := metav1.ListOptions{
LabelSelector: "app=rook-ceph-mon",
}
services := make([]string, 0)
svcList, err := c.CoreV1().Services(ns).List(context.TODO(), opt)
if err != nil {
return services, fmt.Errorf("failed to list services: %w", err)
}
for i := range svcList.Items {
s := fmt.Sprintf(
"%s.%s.svc.cluster.local:%d",
svcList.Items[i].Name,
svcList.Items[i].Namespace,
svcList.Items[i].Spec.Ports[0].Port)
services = append(services, s)
}
return services, nil
}
func getStorageClass(path string) (scv1.StorageClass, error) {
sc := scv1.StorageClass{}
err := unmarshal(path, &sc)
return sc, err
}
func getSecret(path string) (v1.Secret, error) {
sc := v1.Secret{}
err := unmarshal(path, &sc)
// discard corruptInputError
if err != nil {
var b64cie base64.CorruptInputError
if !errors.As(err, &b64cie) {
return sc, err
}
}
return sc, nil
}
func deleteResource(scPath string) error {
data, err := replaceNamespaceInTemplate(scPath)
if err != nil {
e2elog.Logf("failed to read content from %s %v", scPath, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, ns, "delete", "-f", "-")
if err != nil {
e2elog.Logf("failed to delete %s %v", scPath, err)
}
return err
}
func unmarshal(fileName string, obj interface{}) error {
f, err := ioutil.ReadFile(fileName)
if err != nil {
return err
}
data, err := utilyaml.ToJSON(f)
if err != nil {
return err
}
err = json.Unmarshal(data, obj)
return err
}
// createPVCAndApp creates pvc and pod
// if name is not empty same will be set as pvc and app name.
func createPVCAndApp(
name string,
f *framework.Framework,
pvc *v1.PersistentVolumeClaim,
app *v1.Pod,
pvcTimeout int) error {
if name != "" {
pvc.Name = name
app.Name = name
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = name
}
err := createPVCAndvalidatePV(f.ClientSet, pvc, pvcTimeout)
if err != nil {
return err
}
err = createApp(f.ClientSet, app, deployTimeout)
return err
}
// deletePVCAndApp delete pvc and pod
// if name is not empty same will be set as pvc and app name.
func deletePVCAndApp(name string, f *framework.Framework, pvc *v1.PersistentVolumeClaim, app *v1.Pod) error {
if name != "" {
pvc.Name = name
app.Name = name
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = name
}
err := deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
if err != nil {
return err
}
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
return err
}
func createPVCAndAppBinding(
pvcPath, appPath string,
f *framework.Framework,
pvcTimeout int) (*v1.PersistentVolumeClaim, *v1.Pod, error) {
pvc, err := loadPVC(pvcPath)
if err != nil {
return nil, nil, err
}
pvc.Namespace = f.UniqueName
app, err := loadApp(appPath)
if err != nil {
return nil, nil, err
}
app.Namespace = f.UniqueName
err = createPVCAndApp("", f, pvc, app, pvcTimeout)
if err != nil {
return nil, nil, err
}
return pvc, app, nil
}
func validatePVCAndAppBinding(pvcPath, appPath string, f *framework.Framework) error {
pvc, app, err := createPVCAndAppBinding(pvcPath, appPath, f, deployTimeout)
if err != nil {
return err
}
err = deletePVCAndApp("", f, pvc, app)
return err
}
func getMountType(appName, appNamespace, mountPath string, f *framework.Framework) (string, error) {
opt := metav1.ListOptions{
FieldSelector: fields.OneTermEqualSelector("metadata.name", appName).String(),
}
cmd := fmt.Sprintf("lsblk -o TYPE,MOUNTPOINT | grep '%s' | awk '{print $1}'", mountPath)
stdOut, stdErr, err := execCommandInPod(f, cmd, appNamespace, &opt)
if err != nil {
return "", err
}
if stdErr != "" {
return strings.TrimSpace(stdOut), fmt.Errorf(stdErr)
}
return strings.TrimSpace(stdOut), nil
}
func validateNormalUserPVCAccess(pvcPath string, f *framework.Framework) error {
pvc, err := loadPVC(pvcPath)
if err != nil {
return err
}
pvc.Namespace = f.UniqueName
pvc.Name = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
return err
}
var user int64 = 2000
app := &v1.Pod{
TypeMeta: metav1.TypeMeta{
Kind: "Pod",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "pod-run-as-non-root",
Namespace: f.UniqueName,
Labels: map[string]string{
"app": "pod-run-as-non-root",
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "write-pod",
Image: "registry.centos.org/centos:latest",
Command: []string{"/bin/sleep", "999999"},
SecurityContext: &v1.SecurityContext{
RunAsUser: &user,
},
VolumeMounts: []v1.VolumeMount{
{
MountPath: "/target",
Name: "target",
},
},
},
},
Volumes: []v1.Volume{
{
Name: "target",
VolumeSource: v1.VolumeSource{
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
ClaimName: pvc.Name,
ReadOnly: false,
},
},
},
},
},
}
err = createApp(f.ClientSet, app, deployTimeout)
if err != nil {
return err
}
opt := metav1.ListOptions{
LabelSelector: "app=pod-run-as-non-root",
}
_, stdErr, err := execCommandInPod(f, "echo testing > /target/testing", app.Namespace, &opt)
if err != nil {
return fmt.Errorf("failed to exec command in pod: %w", err)
}
if stdErr != "" {
return fmt.Errorf("failed to touch a file as non-root user %v", stdErr)
}
// metrics for BlockMode was added in Kubernetes 1.22
isBlockMode := false
if pvc.Spec.VolumeMode != nil {
isBlockMode = (*pvc.Spec.VolumeMode == v1.PersistentVolumeBlock)
}
if !isBlockMode || k8sVersionGreaterEquals(f.ClientSet, 1, 22) {
err = getMetricsForPVC(f, pvc, deployTimeout)
if err != nil {
return err
}
}
err = deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
if err != nil {
return err
}
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
return err
}
// writeDataInPod fill zero content to a file in the provided POD volume.
func writeDataInPod(app *v1.Pod, opt *metav1.ListOptions, f *framework.Framework) error {
app.Namespace = f.UniqueName
err := createApp(f.ClientSet, app, deployTimeout)
if err != nil {
return err
}
// write data to PVC. The idea here is to fill some content in the file
// instead of filling and reverifying the md5sum/data integrity
filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
// While writing more data we are encountering issues in E2E timeout, so keeping it low for now
_, writeErr, err := execCommandInPod(
f,
fmt.Sprintf("dd if=/dev/zero of=%s bs=1M count=10 status=none", filePath),
app.Namespace,
opt)
if err != nil {
return err
}
if writeErr != "" {
err = fmt.Errorf("failed to write data %v", writeErr)
}
return err
}
func checkDataPersist(pvcPath, appPath string, f *framework.Framework) error {
data := "checking data persist"
pvc, err := loadPVC(pvcPath)
if err != nil {
return err
}
pvc.Namespace = f.UniqueName
app, err := loadApp(appPath)
if err != nil {
return err
}
app.Labels = map[string]string{"app": "validate-data"}
app.Namespace = f.UniqueName
err = createPVCAndApp("", f, pvc, app, deployTimeout)
if err != nil {
return err
}
opt := metav1.ListOptions{
LabelSelector: "app=validate-data",
}
// write data to PVC
filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
_, stdErr, err := execCommandInPod(f, fmt.Sprintf("echo %s > %s", data, filePath), app.Namespace, &opt)
if err != nil {
return fmt.Errorf("failed to exec command in pod: %w", err)
}
if stdErr != "" {
return fmt.Errorf("failed to write data to a file %v", stdErr)
}
// delete app
err = deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
if err != nil {
return err
}
// recreate app and check data persist
err = createApp(f.ClientSet, app, deployTimeout)
if err != nil {
return err
}
persistData, stdErr, err := execCommandInPod(f, fmt.Sprintf("cat %s", filePath), app.Namespace, &opt)
if err != nil {
return err
}
if stdErr != "" {
return fmt.Errorf("failed to get file content %v", stdErr)
}
if !strings.Contains(persistData, data) {
return fmt.Errorf("data not persistent expected data %s received data %s ", data, persistData)
}
err = deletePVCAndApp("", f, pvc, app)
return err
}
func pvcDeleteWhenPoolNotFound(pvcPath string, cephfs bool, f *framework.Framework) error {
pvc, err := loadPVC(pvcPath)
if err != nil {
return err
}
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
return err
}
if cephfs {
err = deleteBackingCephFSVolume(f, pvc)
if err != nil {
return err
}
// delete cephfs filesystem
err = deletePool("myfs", cephfs, f)
if err != nil {
return err
}
} else {
err = deleteBackingRBDImage(f, pvc)
if err != nil {
return err
}
// delete rbd pool
err = deletePool(defaultRBDPool, cephfs, f)
if err != nil {
return err
}
}
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
return err
}
func checkMountOptions(pvcPath, appPath string, f *framework.Framework, mountFlags []string) error {
pvc, err := loadPVC(pvcPath)
if err != nil {
return err
}
pvc.Namespace = f.UniqueName
app, err := loadApp(appPath)
if err != nil {
return err
}
app.Labels = map[string]string{"app": "validate-mount-opt"}
app.Namespace = f.UniqueName
err = createPVCAndApp("", f, pvc, app, deployTimeout)
if err != nil {
return err
}
opt := metav1.ListOptions{
LabelSelector: "app=validate-mount-opt",
}
cmd := fmt.Sprintf("mount |grep %s", app.Spec.Containers[0].VolumeMounts[0].MountPath)
data, stdErr, err := execCommandInPod(f, cmd, app.Namespace, &opt)
if err != nil {
return err
}
if stdErr != "" {
return fmt.Errorf("failed to get mount point %v", stdErr)
}
for _, f := range mountFlags {
if !strings.Contains(data, f) {
return fmt.Errorf("mount option %s not found in %s", f, data)
}
}
err = deletePVCAndApp("", f, pvc, app)
return err
}
func addTopologyDomainsToDSYaml(template, labels string) string {
return strings.ReplaceAll(template, "# - \"--domainlabels=failure-domain/region,failure-domain/zone\"",
"- \"--domainlabels="+labels+"\"")
}
func oneReplicaDeployYaml(template string) string {
re := regexp.MustCompile(`(\s+replicas:) \d+`)
return re.ReplaceAllString(template, `$1 1`)
}
func enableTopologyInTemplate(data string) string {
return strings.ReplaceAll(data, "--feature-gates=Topology=false", "--feature-gates=Topology=true")
}
func writeDataAndCalChecksum(app *v1.Pod, opt *metav1.ListOptions, f *framework.Framework) (string, error) {
filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
// write data in PVC
err := writeDataInPod(app, opt, f)
if err != nil {
e2elog.Logf("failed to write data in the pod with error %v", err)
return "", err
}
checkSum, err := calculateSHA512sum(f, app, filePath, opt)
if err != nil {
e2elog.Logf("failed to calculate checksum with error %v", err)
return checkSum, err
}
err = deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete pod with error %v", err)
}
return checkSum, nil
}
// nolint:gocyclo,gocognit,nestif,cyclop // reduce complexity
func validatePVCClone(
totalCount int,
sourcePvcPath, sourceAppPath, clonePvcPath, clonePvcAppPath string,
kms kmsConfig,
validatePVC validateFunc,
f *framework.Framework) {
var wg sync.WaitGroup
wgErrs := make([]error, totalCount)
chErrs := make([]error, totalCount)
pvc, err := loadPVC(sourcePvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
label := make(map[string]string)
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
app, err := loadApp(sourceAppPath)
if err != nil {
e2elog.Failf("failed to load app with error %v", err)
}
label[appKey] = appLabel
app.Namespace = f.UniqueName
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
app.Labels = label
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("%s=%s", appKey, label[appKey]),
}
checkSum := ""
pvc, err = f.ClientSet.CoreV1().
PersistentVolumeClaims(pvc.Namespace).
Get(context.TODO(), pvc.Name, metav1.GetOptions{})
if err != nil {
e2elog.Failf("failed to get pvc %v", err)
}
if *pvc.Spec.VolumeMode == v1.PersistentVolumeFilesystem {
checkSum, err = writeDataAndCalChecksum(app, &opt, f)
if err != nil {
e2elog.Failf("failed to calculate checksum with error %v", err)
}
}
// validate created backend rbd images
validateRBDImageCount(f, 1, defaultRBDPool)
pvcClone, err := loadPVC(clonePvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
pvcClone.Spec.DataSource.Name = pvc.Name
pvcClone.Namespace = f.UniqueName
appClone, err := loadApp(clonePvcAppPath)
if err != nil {
e2elog.Failf("failed to load application with error %v", err)
}
appClone.Namespace = f.UniqueName
wg.Add(totalCount)
// create clone and bind it to an app
for i := 0; i < totalCount; i++ {
go func(n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
label := make(map[string]string)
label[appKey] = name
a.Labels = label
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("%s=%s", appKey, label[appKey]),
}
wgErrs[n] = createPVCAndApp(name, f, &p, &a, deployTimeout)
if wgErrs[n] == nil && kms != noKMS {
if kms.canGetPassphrase() {
imageData, sErr := getImageInfoFromPVC(p.Namespace, name, f)
if sErr != nil {
wgErrs[n] = fmt.Errorf(
"failed to get image info for %s namespace=%s volumehandle=%s error=%w",
name,
p.Namespace,
imageData.csiVolumeHandle,
sErr)
} else {
// check new passphrase created
stdOut, stdErr := kms.getPassphrase(f, imageData.csiVolumeHandle)
if stdOut != "" {
e2elog.Logf("successfully read the passphrase from vault: %s", stdOut)
}
if stdErr != "" {
wgErrs[n] = fmt.Errorf("failed to read passphrase from vault: %s", stdErr)
}
}
}
}
if *pvc.Spec.VolumeMode == v1.PersistentVolumeFilesystem && wgErrs[n] == nil {
filePath := a.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
var checkSumClone string
e2elog.Logf("Calculating checksum clone for filepath %s", filePath)
checkSumClone, chErrs[n] = calculateSHA512sum(f, &a, filePath, &opt)
e2elog.Logf("checksum for clone is %s", checkSumClone)
if chErrs[n] != nil {
e2elog.Logf("Failed calculating checksum clone %s", chErrs[n])
}
if checkSumClone != checkSum {
e2elog.Logf("checksum didn't match. checksum=%s and checksumclone=%s", checkSum, checkSumClone)
}
}
if wgErrs[n] == nil && validatePVC != nil && kms != noKMS {
wgErrs[n] = validatePVC(f, &p, &a)
}
wg.Done()
}(i, *pvcClone, *appClone)
}
wg.Wait()
failed := 0
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to create PVC (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("creating PVCs failed, %d errors were logged", failed)
}
for i, err := range chErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to calculate checksum (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("calculating checksum failed, %d errors were logged", failed)
}
// total images in cluster is 1 parent rbd image+ total
// temporary clone+ total clones
totalCloneCount := totalCount + totalCount + 1
validateRBDImageCount(f, totalCloneCount, defaultRBDPool)
// delete parent pvc
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
totalCloneCount = totalCount + totalCount
validateRBDImageCount(f, totalCloneCount, defaultRBDPool)
wg.Add(totalCount)
// delete clone and app
for i := 0; i < totalCount; i++ {
go func(n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
p.Spec.DataSource.Name = name
var imageData imageInfoFromPVC
var sErr error
if kms != noKMS {
if kms.canGetPassphrase() {
imageData, sErr = getImageInfoFromPVC(p.Namespace, name, f)
if sErr != nil {
wgErrs[n] = fmt.Errorf(
"failed to get image info for %s namespace=%s volumehandle=%s error=%w",
name,
p.Namespace,
imageData.csiVolumeHandle,
sErr)
}
}
}
if wgErrs[n] == nil {
wgErrs[n] = deletePVCAndApp(name, f, &p, &a)
if wgErrs[n] == nil && kms != noKMS {
if kms.canGetPassphrase() {
// check passphrase deleted
stdOut, _ := kms.getPassphrase(f, imageData.csiVolumeHandle)
if stdOut != "" {
wgErrs[n] = fmt.Errorf("passphrase found in vault while should be deleted: %s", stdOut)
}
}
}
}
wg.Done()
}(i, *pvcClone, *appClone)
}
wg.Wait()
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to delete PVC and application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and applications failed, %d errors were logged", failed)
}
validateRBDImageCount(f, 0, defaultRBDPool)
}
// nolint:gocyclo,gocognit,nestif,cyclop // reduce complexity
func validatePVCSnapshot(
totalCount int,
pvcPath, appPath, snapshotPath, pvcClonePath, appClonePath string,
kms kmsConfig,
f *framework.Framework) {
var wg sync.WaitGroup
wgErrs := make([]error, totalCount)
chErrs := make([]error, totalCount)
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)
}
}()
pvc, err := loadPVC(pvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
label := make(map[string]string)
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
app, err := loadApp(appPath)
if err != nil {
e2elog.Failf("failed to load app with error %v", err)
}
// write data in PVC
label[appKey] = appLabel
app.Namespace = f.UniqueName
app.Labels = label
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("%s=%s", appKey, label[appKey]),
}
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
checkSum, err := writeDataAndCalChecksum(app, &opt, f)
if err != nil {
e2elog.Failf("failed to calculate checksum with error %v", err)
}
validateRBDImageCount(f, 1, defaultRBDPool)
snap := getSnapshot(snapshotPath)
snap.Namespace = f.UniqueName
snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
wg.Add(totalCount)
// create snapshot
for i := 0; i < totalCount; i++ {
go func(n int, s snapapi.VolumeSnapshot) {
s.Name = fmt.Sprintf("%s%d", f.UniqueName, n)
wgErrs[n] = createSnapshot(&s, deployTimeout)
if wgErrs[n] == nil && kms != noKMS {
if kms.canGetPassphrase() {
content, sErr := getVolumeSnapshotContent(s.Namespace, s.Name)
if sErr != nil {
wgErrs[n] = fmt.Errorf(
"failed to get snapshotcontent for %s in namespace %s with error: %w",
s.Name,
s.Namespace,
sErr)
} else {
// check new passphrase created
_, stdErr := kms.getPassphrase(f, *content.Status.SnapshotHandle)
if stdErr != "" {
wgErrs[n] = fmt.Errorf("failed to read passphrase from vault: %s", stdErr)
}
}
}
}
wg.Done()
}(i, snap)
}
wg.Wait()
failed := 0
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to create snapshot (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("creating snapshots failed, %d errors were logged", failed)
}
// total images in cluster is 1 parent rbd image+ total snaps
validateRBDImageCount(f, totalCount+1, defaultRBDPool)
pvcClone, err := loadPVC(pvcClonePath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
appClone, err := loadApp(appClonePath)
if err != nil {
e2elog.Failf("failed to load application with error %v", err)
}
pvcClone.Namespace = f.UniqueName
appClone.Namespace = f.UniqueName
pvcClone.Spec.DataSource.Name = fmt.Sprintf("%s%d", f.UniqueName, 0)
// create multiple PVC from same snapshot
wg.Add(totalCount)
for i := 0; i < totalCount; i++ {
go func(n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
label := make(map[string]string)
label[appKey] = name
a.Labels = label
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("%s=%s", appKey, label[appKey]),
}
wgErrs[n] = createPVCAndApp(name, f, &p, &a, deployTimeout)
if wgErrs[n] == nil {
filePath := a.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
var checkSumClone string
e2elog.Logf("calculating checksum clone for filepath %s", filePath)
checkSumClone, chErrs[n] = calculateSHA512sum(f, &a, filePath, &opt)
e2elog.Logf("checksum value for the clone is %s with pod name %s", checkSumClone, name)
if chErrs[n] != nil {
e2elog.Logf("failed to calculte checksum for clone with error %s", chErrs[n])
}
if checkSumClone != checkSum {
e2elog.Logf(
"checksum value didn't match. checksum=%s and checksumclone=%s",
checkSum,
checkSumClone)
}
}
if wgErrs[n] == nil && kms != noKMS {
wgErrs[n] = isEncryptedPVC(f, &p, &a)
}
wg.Done()
}(i, *pvcClone, *appClone)
}
wg.Wait()
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to create PVC and application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("creating PVCs and applications failed, %d errors were logged", failed)
}
for i, err := range chErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to calculate checksum (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("calculating checksum failed, %d errors were logged", failed)
}
// total images in cluster is 1 parent rbd image+ total
// snaps+ total clones
totalCloneCount := totalCount + totalCount + 1
validateRBDImageCount(f, totalCloneCount, defaultRBDPool)
wg.Add(totalCount)
// delete clone and app
for i := 0; i < totalCount; i++ {
go func(n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
p.Spec.DataSource.Name = name
wgErrs[n] = deletePVCAndApp(name, f, &p, &a)
wg.Done()
}(i, *pvcClone, *appClone)
}
wg.Wait()
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to delete PVC and application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and applications failed, %d errors were logged", failed)
}
// total images in cluster is 1 parent rbd image+ total
// snaps
validateRBDImageCount(f, totalCount+1, defaultRBDPool)
// create clones from different snapshots and bind it to an
// app
wg.Add(totalCount)
for i := 0; i < totalCount; i++ {
go func(n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
p.Spec.DataSource.Name = name
wgErrs[n] = createPVCAndApp(name, f, &p, &a, deployTimeout)
wg.Done()
}(i, *pvcClone, *appClone)
}
wg.Wait()
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to create PVC and application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("creating PVCs and applications failed, %d errors were logged", failed)
}
// total images in cluster is 1 parent rbd image+ total
// snaps+ total clones
totalCloneCount = totalCount + totalCount + 1
validateRBDImageCount(f, totalCloneCount, defaultRBDPool)
// delete parent pvc
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
// total images in cluster is total snaps+ total clones
totalSnapCount := totalCount + totalCount
validateRBDImageCount(f, totalSnapCount, defaultRBDPool)
wg.Add(totalCount)
// delete snapshot
for i := 0; i < totalCount; i++ {
go func(n int, s snapapi.VolumeSnapshot) {
s.Name = fmt.Sprintf("%s%d", f.UniqueName, n)
content := &snapapi.VolumeSnapshotContent{}
var err error
if kms != noKMS {
if kms.canGetPassphrase() {
content, err = getVolumeSnapshotContent(s.Namespace, s.Name)
if err != nil {
wgErrs[n] = fmt.Errorf(
"failed to get snapshotcontent for %s in namespace %s with error: %w",
s.Name,
s.Namespace,
err)
}
}
}
if wgErrs[n] == nil {
wgErrs[n] = deleteSnapshot(&s, deployTimeout)
if wgErrs[n] == nil && kms != noKMS {
if kms.canGetPassphrase() {
// check passphrase deleted
stdOut, _ := kms.getPassphrase(f, *content.Status.SnapshotHandle)
if stdOut != "" {
wgErrs[n] = fmt.Errorf("passphrase found in vault while should be deleted: %s", stdOut)
}
}
}
}
wg.Done()
}(i, snap)
}
wg.Wait()
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to delete snapshot (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting snapshots failed, %d errors were logged", failed)
}
validateRBDImageCount(f, totalCount, defaultRBDPool)
wg.Add(totalCount)
// delete clone and app
for i := 0; i < totalCount; i++ {
go func(n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
p.Spec.DataSource.Name = name
wgErrs[n] = deletePVCAndApp(name, f, &p, &a)
wg.Done()
}(i, *pvcClone, *appClone)
}
wg.Wait()
for i, err := range wgErrs {
if err != nil {
// not using Failf() as it aborts the test and does not log other errors
e2elog.Logf("failed to delete PVC and application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and applications failed, %d errors were logged", failed)
}
// validate created backend rbd images
validateRBDImageCount(f, 0, defaultRBDPool)
}
// validateController simulates the required operations to validate the
// controller.
// Controller will generates the omap data when the PV is created.
// for that we need to do below operations
// Create PVC with Retain policy
// Store the PVC and PV kubernetes objects so that we can create static
// binding between PVC-PV
// Delete the omap data created for PVC
// Create the static PVC and PV and let controller regenerate the omap
// Mount the PVC to application (NodeStage/NodePublish should work)
// Resize the PVC
// Delete the Application and PVC.
func validateController(f *framework.Framework, pvcPath, appPath, scPath string) error {
size := "1Gi"
poolName := defaultRBDPool
expandSize := "10Gi"
var err error
// create storageclass with retain
err = createRBDStorageClass(f.ClientSet, f, defaultSCName, nil, nil, retainPolicy)
if err != nil {
return fmt.Errorf("failed to create storageclass: %w", err)
}
// create pvc
pvc, err := loadPVC(pvcPath)
if err != nil {
return fmt.Errorf("failed to load PVC: %w", err)
}
resizePvc, err := loadPVC(pvcPath)
if err != nil {
return fmt.Errorf("failed to load PVC: %w", err)
}
resizePvc.Namespace = f.UniqueName
pvc.Spec.Resources.Requests[v1.ResourceStorage] = resource.MustParse(size)
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
return fmt.Errorf("failed to create PVC: %w", err)
}
// get pvc and pv object
pvc, pv, err := getPVCAndPV(f.ClientSet, pvc.Name, pvc.Namespace)
if err != nil {
return fmt.Errorf("failed to get PVC: %w", err)
}
// Recreate storageclass with delete policy
err = deleteResource(scPath)
if err != nil {
return fmt.Errorf("failed to delete storageclass: %w", err)
}
err = createRBDStorageClass(f.ClientSet, f, defaultSCName, nil, nil, deletePolicy)
if err != nil {
return fmt.Errorf("failed to create storageclass: %w", err)
}
// delete omap data
err = deletePVCImageJournalInPool(f, pvc, poolName)
if err != nil {
return err
}
err = deletePVCCSIJournalInPool(f, pvc, poolName)
if err != nil {
return err
}
// delete pvc and pv
err = deletePVCAndPV(f.ClientSet, pvc, pv, deployTimeout)
if err != nil {
return fmt.Errorf("failed to delete PVC or PV: %w", err)
}
// create pvc and pv with application
pv.Spec.ClaimRef = nil
pv.Spec.PersistentVolumeReclaimPolicy = deletePolicy
// unset the resource version as should not be set on objects to be created
pvc.ResourceVersion = ""
pv.ResourceVersion = ""
err = createPVCAndPV(f.ClientSet, pvc, pv)
if err != nil {
e2elog.Failf("failed to create PVC or PV: %v", err)
}
// bind PVC to application
app, err := loadApp(appPath)
if err != nil {
return err
}
app.Labels = map[string]string{"app": "resize-pvc"}
app.Namespace = f.UniqueName
opt := metav1.ListOptions{
LabelSelector: "app=resize-pvc",
}
err = createApp(f.ClientSet, app, deployTimeout)
if err != nil {
return err
}
// resize PVC
err = expandPVCSize(f.ClientSet, resizePvc, expandSize, deployTimeout)
if err != nil {
return err
}
if *pvc.Spec.VolumeMode == v1.PersistentVolumeFilesystem {
err = checkDirSize(app, f, &opt, expandSize)
if err != nil {
return err
}
}
if *pvc.Spec.VolumeMode == v1.PersistentVolumeBlock {
err = checkDeviceSize(app, f, &opt, expandSize)
if err != nil {
return err
}
}
// delete pvc and storageclass
err = deletePVCAndApp("", f, resizePvc, app)
if err != nil {
return err
}
return deleteResource(rbdExamplePath + "storageclass.yaml")
}
// k8sVersionGreaterEquals checks the ServerVersion of the Kubernetes cluster
// and compares it to the major.minor version passed. In case the version of
// the cluster is equal or higher to major.minor, `true` is returned, `false`
// otherwise.
//
// If fetching the ServerVersion of the Kubernetes cluster fails, the calling
// test case is marked as `FAILED` and gets aborted.
//
// nolint:unparam // currently major is always 1, this can change in the future
func k8sVersionGreaterEquals(c kubernetes.Interface, major, minor int) bool {
v, err := c.Discovery().ServerVersion()
if err != nil {
e2elog.Failf("failed to get server version with error %v", err)
// Failf() marks the case as failure, and returns from the
// Go-routine that runs the case. This function will not have a
// return value.
}
maj := fmt.Sprintf("%d", major)
min := fmt.Sprintf("%d", minor)
return (v.Major > maj) || (v.Major == maj && v.Minor >= min)
}
// waitForJobCompletion polls the status of the given job and waits until the
// jobs has succeeded or until the timeout is hit.
func waitForJobCompletion(c kubernetes.Interface, ns, job string, timeout int) error {
t := time.Duration(timeout) * time.Minute
start := time.Now()
e2elog.Logf("waiting for Job %s/%s to be in state %q", ns, job, batch.JobComplete)
return wait.PollImmediate(poll, t, func() (bool, error) {
j, err := c.BatchV1().Jobs(ns).Get(context.TODO(), job, metav1.GetOptions{})
if err != nil {
if isRetryableAPIError(err) {
return false, nil
}
return false, fmt.Errorf("failed to get Job: %w", err)
}
if j.Status.CompletionTime != nil {
// Job has successfully completed
return true, nil
}
e2elog.Logf(
"Job %s/%s has not completed yet (%d seconds elapsed)",
ns, job, int(time.Since(start).Seconds()))
return false, nil
})
}
// kubectlAction is used to tell retryKubectlInput() what action needs to be
// done.
type kubectlAction string
const (
// kubectlCreate tells retryKubectlInput() to run "create".
kubectlCreate = kubectlAction("create")
// kubectlDelete tells retryKubectlInput() to run "delete".
kubectlDelete = kubectlAction("delete")
)
// String returns the string format of the kubectlAction, this is automatically
// used when formatting strings with %s or %q.
func (ka kubectlAction) String() string {
return string(ka)
}
// retryKubectlInput takes a namespace and action telling kubectl what to do,
// it then feeds data through stdin to the process. This function retries until
// no error occurred, or the timeout passed.
func retryKubectlInput(namespace string, action kubectlAction, data string, t int) error {
timeout := time.Duration(t) * time.Minute
e2elog.Logf("waiting for kubectl (%s) to finish", action)
start := time.Now()
return wait.PollImmediate(poll, timeout, func() (bool, error) {
_, err := framework.RunKubectlInput(namespace, data, string(action), "-f", "-")
if err != nil {
if isRetryableAPIError(err) {
return false, nil
}
e2elog.Logf(
"will run kubectl (%s) again (%d seconds elapsed)",
action,
int(time.Since(start).Seconds()))
return false, fmt.Errorf("failed to run kubectl: %w", err)
}
return true, nil
})
}
// retryKubectlFile takes a namespace and action telling kubectl what to do
// with the passed filename. This function retries until no error occurred, or
// the timeout passed.
func retryKubectlFile(namespace string, action kubectlAction, filename string, t int) error {
timeout := time.Duration(t) * time.Minute
e2elog.Logf("waiting for kubectl (%s -f %q) to finish", action, filename)
start := time.Now()
return wait.PollImmediate(poll, timeout, func() (bool, error) {
_, err := framework.RunKubectl(namespace, string(action), "-f", filename)
if err != nil {
if isRetryableAPIError(err) {
return false, nil
}
e2elog.Logf(
"will run kubectl (%s -f %q) again (%d seconds elapsed)",
action,
filename,
int(time.Since(start).Seconds()))
return false, fmt.Errorf("failed to run kubectl: %w", err)
}
return true, nil
})
}