ceph-csi/e2e/cephfs.go
Mudit Agarwal 4eb5bd6ba6 e2e: add e2e for snapshot retention fetaure.
Added e2e for snapshot retention feature.

Signed-off-by: Mudit Agarwal <muagarwa@redhat.com>
2021-02-19 10:03:55 +00:00

977 lines
33 KiB
Go

package e2e
import (
"fmt"
"strings"
"sync"
vs "github.com/kubernetes-csi/external-snapshotter/v2/pkg/apis/volumesnapshot/v1beta1"
. "github.com/onsi/ginkgo" // nolint
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
)
var (
cephfsProvisioner = "csi-cephfsplugin-provisioner.yaml"
cephfsProvisionerRBAC = "csi-provisioner-rbac.yaml"
cephfsProvisionerPSP = "csi-provisioner-psp.yaml"
cephfsNodePlugin = "csi-cephfsplugin.yaml"
cephfsNodePluginRBAC = "csi-nodeplugin-rbac.yaml"
cephfsNodePluginPSP = "csi-nodeplugin-psp.yaml"
cephfsDeploymentName = "csi-cephfsplugin-provisioner"
cephfsDeamonSetName = "csi-cephfsplugin"
cephfsDirPath = "../deploy/cephfs/kubernetes/"
cephfsExamplePath = "../examples/cephfs/"
subvolumegroup = "e2e"
fileSystemName = "myfs"
)
func deployCephfsPlugin() {
// delete objects deployed by rook
data, err := replaceNamespaceInTemplate(cephfsDirPath + cephfsProvisionerRBAC)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsProvisionerRBAC, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, "--ignore-not-found=true", ns, "delete", "-f", "-")
if err != nil {
e2elog.Failf("failed to delete provisioner rbac %s with error %v", cephfsDirPath+cephfsProvisionerRBAC, err)
}
data, err = replaceNamespaceInTemplate(cephfsDirPath + cephfsNodePluginRBAC)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsNodePluginRBAC, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, "delete", "--ignore-not-found=true", ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to delete nodeplugin rbac %s with error %v", cephfsDirPath+cephfsNodePluginRBAC, err)
}
createORDeleteCephfsResouces("create")
}
func deleteCephfsPlugin() {
createORDeleteCephfsResouces("delete")
}
func createORDeleteCephfsResouces(action string) {
data, err := replaceNamespaceInTemplate(cephfsDirPath + cephfsProvisioner)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsProvisioner, err)
}
data = oneReplicaDeployYaml(data)
_, err = framework.RunKubectlInput(cephCSINamespace, data, action, ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to %s CephFS provisioner with error %v", action, err)
}
data, err = replaceNamespaceInTemplate(cephfsDirPath + cephfsProvisionerRBAC)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsProvisionerRBAC, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, action, ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to %s CephFS provisioner rbac with error %v", action, err)
}
data, err = replaceNamespaceInTemplate(cephfsDirPath + cephfsProvisionerPSP)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsProvisionerPSP, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, action, ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to %s CephFS provisioner psp with error %v", action, err)
}
data, err = replaceNamespaceInTemplate(cephfsDirPath + cephfsNodePlugin)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsNodePlugin, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, action, ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to %s CephFS nodeplugin with error %v", action, err)
}
data, err = replaceNamespaceInTemplate(cephfsDirPath + cephfsNodePluginRBAC)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsNodePluginRBAC, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, action, ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to %s CephFS nodeplugin rbac with error %v", action, err)
}
data, err = replaceNamespaceInTemplate(cephfsDirPath + cephfsNodePluginPSP)
if err != nil {
e2elog.Failf("failed to read content from %s with error %v", cephfsDirPath+cephfsNodePluginPSP, err)
}
_, err = framework.RunKubectlInput(cephCSINamespace, data, action, ns, "-f", "-")
if err != nil {
e2elog.Failf("failed to %s CephFS nodeplugin psp with error %v", action, err)
}
}
func validateSubvolumeCount(f *framework.Framework, count int, fileSystemName, subvolumegroup string) {
subVol, err := listCephFSSubVolumes(f, fileSystemName, subvolumegroup)
if err != nil {
e2elog.Failf("failed to list CephFS subvolumes with error %v", err)
}
if len(subVol) != count {
e2elog.Failf("subvolumes [%v]. subvolume count %d not matching expected count %v", subVol, len(subVol), count)
}
}
func validateSubvolumePath(f *framework.Framework, pvcName, pvcNamespace, fileSystemName, subvolumegroup string) error {
_, pv, err := getPVCAndPV(f.ClientSet, pvcName, pvcNamespace)
if err != nil {
return fmt.Errorf("failed to get PVC %s in namespace %s with error %w", pvcName, pvcNamespace, err)
}
subVolumePathInPV := pv.Spec.CSI.VolumeAttributes["subvolumePath"]
subVolume := pv.Spec.CSI.VolumeAttributes["subvolumeName"]
if subVolumePathInPV == "" {
return fmt.Errorf("subvolumePath is not set in %s PVC", pvcName)
}
if subVolume == "" {
return fmt.Errorf("subvolumeName is not set in %s PVC", pvcName)
}
subVolumePath, err := getSubvolumePath(f, fileSystemName, subvolumegroup, subVolume)
if err != nil {
return err
}
if subVolumePath != subVolumePathInPV {
return fmt.Errorf("subvolumePath %s is not matching the subvolumePath %s in PV", subVolumePath, subVolumePathInPV)
}
return nil
}
var _ = Describe("cephfs", func() {
f := framework.NewDefaultFramework("cephfs")
var c clientset.Interface
// deploy CephFS CSI
BeforeEach(func() {
if !testCephFS || upgradeTesting {
Skip("Skipping CephFS E2E")
}
c = f.ClientSet
if deployCephFS {
if cephCSINamespace != defaultNs {
err := createNamespace(c, cephCSINamespace)
if err != nil {
e2elog.Failf("failed to create namespace %s with error %v", cephCSINamespace, err)
}
}
deployCephfsPlugin()
}
err := createConfigMap(cephfsDirPath, f.ClientSet, f)
if err != nil {
e2elog.Failf("failed to create configmap with error %v", err)
}
err = createCephfsSecret(f.ClientSet, f)
if err != nil {
e2elog.Failf("failed to create secret with error %v", err)
}
})
AfterEach(func() {
if !testCephFS || upgradeTesting {
Skip("Skipping CephFS E2E")
}
if CurrentGinkgoTestDescription().Failed {
// log pods created by helm chart
logsCSIPods("app=ceph-csi-cephfs", c)
// log provisoner
logsCSIPods("app=csi-cephfsplugin-provisioner", c)
// log node plugin
logsCSIPods("app=csi-cephfsplugin", c)
// log all details from the namespace where Ceph-CSI is deployed
framework.DumpAllNamespaceInfo(c, cephCSINamespace)
}
err := deleteConfigMap(cephfsDirPath)
if err != nil {
e2elog.Failf("failed to delete configmap with error %v", err)
}
err = deleteResource(cephfsExamplePath + "secret.yaml")
if err != nil {
e2elog.Failf("failed to delete secret with error %v", err)
}
err = deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete storageclass with error %v", err)
}
if deployCephFS {
deleteCephfsPlugin()
if cephCSINamespace != defaultNs {
err := deleteNamespace(c, cephCSINamespace)
if err != nil {
e2elog.Failf("failed to delete namespace %s with error %v", cephCSINamespace, err)
}
}
}
})
Context("Test CephFS CSI", func() {
It("Test CephFS CSI", func() {
pvcPath := cephfsExamplePath + "pvc.yaml"
appPath := cephfsExamplePath + "pod.yaml"
pvcClonePath := cephfsExamplePath + "pvc-restore.yaml"
pvcSmartClonePath := cephfsExamplePath + "pvc-clone.yaml"
appClonePath := cephfsExamplePath + "pod-restore.yaml"
appSmartClonePath := cephfsExamplePath + "pod-clone.yaml"
snapshotPath := cephfsExamplePath + "snapshot.yaml"
By("checking provisioner deployment is running", func() {
err := waitForDeploymentComplete(cephfsDeploymentName, cephCSINamespace, f.ClientSet, deployTimeout)
if err != nil {
e2elog.Failf("timeout waiting for deployment %s with error %v", cephfsDeploymentName, err)
}
})
By("checking nodeplugin deamonset pods are running", func() {
err := waitForDaemonSets(cephfsDeamonSetName, cephCSINamespace, f.ClientSet, deployTimeout)
if err != nil {
e2elog.Failf("timeout waiting for daemonset %s with error %v", cephfsDeamonSetName, err)
}
})
By("check static PVC", func() {
scPath := cephfsExamplePath + "secret.yaml"
err := validateCephFsStaticPV(f, appPath, scPath)
if err != nil {
e2elog.Failf("failed to validate CephFS static pv with error %v", err)
}
})
By("create a storageclass with pool and a PVC then bind it to an app", func() {
err := createCephfsStorageClass(f.ClientSet, f, true, nil)
if err != nil {
e2elog.Failf("failed to create CephFS storageclass with error %v", err)
}
err = validatePVCAndAppBinding(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to validate CephFS pvc and application binding with error %v", err)
}
err = deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete CephFS storageclass with error %v", err)
}
})
By("create a storageclass with ceph-fuse and a PVC then bind it to an app", func() {
params := map[string]string{
"mounter": "fuse",
}
err := createCephfsStorageClass(f.ClientSet, f, true, params)
if err != nil {
e2elog.Failf("failed to create CephFS storageclass with error %v", err)
}
err = validatePVCAndAppBinding(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to validate CephFS pvc and application binding with error %v", err)
}
err = deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete CephFS storageclass with error %v", err)
}
})
By("create a storageclass with ceph-fuse, mount-options and a PVC then bind it to an app", func() {
params := map[string]string{
"mounter": "fuse",
"fuseMountOptions": "debug",
}
err := createCephfsStorageClass(f.ClientSet, f, true, params)
if err != nil {
e2elog.Failf("failed to create CephFS storageclass with error %v", err)
}
err = validatePVCAndAppBinding(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to validate CephFS pvc and application binding with error %v", err)
}
err = deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete CephFS storageclass with error %v", err)
}
})
By("create a PVC and bind it to an app", func() {
err := createCephfsStorageClass(f.ClientSet, f, false, nil)
if err != nil {
e2elog.Failf("failed to create CephFS storageclass with error %v", err)
}
err = validatePVCAndAppBinding(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to validate CephFS pvc and application binding with error %v", err)
}
})
By("create a PVC and bind it to an app with normal user", func() {
err := validateNormalUserPVCAccess(pvcPath, f)
if err != nil {
e2elog.Failf("failed to validate normal user CephFS pvc and application binding with error %v", err)
}
})
By("create/delete multiple PVCs and Apps", func() {
totalCount := 2
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
// create PVC and app
for i := 0; i < totalCount; i++ {
name := fmt.Sprintf("%s%d", f.UniqueName, i)
err = createPVCAndApp(name, f, pvc, app, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC or application with error %v", err)
}
err = validateSubvolumePath(f, pvc.Name, pvc.Namespace, fileSystemName, subvolumegroup)
if err != nil {
e2elog.Failf("failed to validate subvolumePath with error %v", err)
}
}
validateSubvolumeCount(f, totalCount, fileSystemName, subvolumegroup)
// delete PVC and app
for i := 0; i < totalCount; i++ {
name := fmt.Sprintf("%s%d", f.UniqueName, i)
err = deletePVCAndApp(name, f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC or application with error %v", err)
}
}
validateSubvolumeCount(f, 0, fileSystemName, subvolumegroup)
})
By("check data persist after recreating pod", func() {
err := checkDataPersist(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to check data persist in pvc with error %v", err)
}
})
By("create PVC, delete backing subvolume and check pv deletion", func() {
pvc, err := loadPVC(pvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
err = deleteBackingCephFSVolume(f, pvc)
if err != nil {
e2elog.Failf("failed to delete CephFS subvolume with error %v", err)
}
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
})
By("validate multiple subvolumegroup creation", func() {
err := deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete storageclass with error %v", err)
}
// re-define configmap with information of multiple clusters.
subvolgrpInfo := map[string]string{
"clusterID-1": "subvolgrp1",
"clusterID-2": "subvolgrp2",
}
err = createCustomConfigMap(f.ClientSet, cephfsDirPath, subvolgrpInfo)
if err != nil {
e2elog.Failf("failed to create configmap with error %v", err)
}
params := map[string]string{
"clusterID": "clusterID-1",
}
err = createCephfsStorageClass(f.ClientSet, f, false, params)
if err != nil {
e2elog.Failf("failed to create storageclass with error %v", err)
}
err = validatePVCAndAppBinding(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to validate pvc and application with error %v", err)
}
err = deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete storageclass with error %v", err)
}
// verify subvolumegroup creation.
err = validateSubvolumegroup(f, "subvolgrp1")
if err != nil {
e2elog.Failf("failed to validate subvolume group with error %v", err)
}
// create resources and verify subvolume group creation
// for the second cluster.
params["clusterID"] = "clusterID-2"
err = createCephfsStorageClass(f.ClientSet, f, false, params)
if err != nil {
e2elog.Failf("failed to create storageclass with error %v", err)
}
err = validatePVCAndAppBinding(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to validate pvc and application with error %v", err)
}
err = deleteResource(cephfsExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete storageclass with error %v", err)
}
err = validateSubvolumegroup(f, "subvolgrp2")
if err != nil {
e2elog.Failf("failed to validate subvolume group with error %v", err)
}
err = deleteConfigMap(cephfsDirPath)
if err != nil {
e2elog.Failf("failed to delete configmap with error %v", err)
}
err = createConfigMap(cephfsDirPath, f.ClientSet, f)
if err != nil {
e2elog.Failf("failed to create configmap with error %v", err)
}
err = createCephfsStorageClass(f.ClientSet, f, false, nil)
if err != nil {
e2elog.Failf("failed to create storageclass with error %v", err)
}
})
By("Resize PVC and check application directory size", func() {
// Resize 0.3.0 is only supported from v1.15+
if k8sVersionGreaterEquals(f.ClientSet, 1, 15) {
err := resizePVCAndValidateSize(pvcPath, appPath, f)
if err != nil {
e2elog.Failf("failed to resize PVC with error %v", err)
}
}
})
By("Mount pvc as readonly in pod", func() {
// 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
label := map[string]string{
"app": app.Name,
}
app.Labels = label
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
app.Spec.Volumes[0].PersistentVolumeClaim.ReadOnly = true
err = createPVCAndApp("", f, pvc, app, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC or application with error %v", err)
}
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("app=%s", app.Name),
}
filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
_, stdErr := execCommandInPodAndAllowFail(f, fmt.Sprintf("echo 'Hello World' > %s", filePath), app.Namespace, &opt)
readOnlyErr := fmt.Sprintf("cannot create %s: Read-only file system", filePath)
if !strings.Contains(stdErr, readOnlyErr) {
e2elog.Failf(stdErr)
}
// delete PVC and app
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC or application with error %v", err)
}
})
By("Test snapshot retention feature", func() {
// Delete the PVC after creating a snapshot,
// this should work because of the snapshot
// retention feature. Restore a PVC from that
// snapshot.
// snapshot beta is only supported from v1.17+
if k8sVersionGreaterEquals(f.ClientSet, 1, 17) {
err := createCephFSSnapshotClass(f)
if err != nil {
e2elog.Failf("failed to create CephFS snapshotclass with error %v", err)
}
pvc, err := loadPVC(pvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
snap := getSnapshot(snapshotPath)
snap.Namespace = f.UniqueName
snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
// create snapshot
snap.Name = f.UniqueName
err = createSnapshot(&snap, deployTimeout)
if err != nil {
e2elog.Failf("failed to create snapshot (%s): %v", snap.Name, err)
}
// Delete the parent pvc before restoring
// another one from snapshot.
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
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 = snap.Name
// create PVC from the snapshot
name := f.UniqueName
err = createPVCAndApp(name, f, pvcClone, appClone, deployTimeout)
if err != nil {
e2elog.Logf("failed to create PVC and app (%s): %v", f.UniqueName, err)
}
// delete clone and app
err = deletePVCAndApp(name, f, pvcClone, appClone)
if err != nil {
e2elog.Failf("failed to delete PVC and app (%s): %v", f.UniqueName, err)
}
// delete snapshot
err = deleteSnapshot(&snap, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete snapshot (%s): %v", f.UniqueName, err)
}
err = deleteResource(cephfsExamplePath + "snapshotclass.yaml")
if err != nil {
e2elog.Failf("failed to delete CephFS snapshotclass with error %v", err)
}
}
})
By("create a PVC clone and bind it to an app", func() {
// snapshot beta is only supported from v1.17+
if k8sVersionGreaterEquals(f.ClientSet, 1, 17) {
var wg sync.WaitGroup
totalCount := 3
wgErrs := make([]error, totalCount)
// totalSubvolumes represents the subvolumes in backend
// always totalCount+parentPVC
totalSubvolumes := totalCount + 1
wg.Add(totalCount)
err := createCephFSSnapshotClass(f)
if err != nil {
e2elog.Failf("failed to delete CephFS storageclass with error %v", err)
}
pvc, err := loadPVC(pvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
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 application with error %v", err)
}
app.Namespace = f.UniqueName
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
wErr := writeDataInPod(app, f)
if wErr != nil {
e2elog.Failf("failed to write data with error %v", wErr)
}
snap := getSnapshot(snapshotPath)
snap.Namespace = f.UniqueName
snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
// create snapshot
for i := 0; i < totalCount; i++ {
go func(w *sync.WaitGroup, n int, s vs.VolumeSnapshot) {
s.Name = fmt.Sprintf("%s%d", f.UniqueName, n)
wgErrs[n] = createSnapshot(&s, deployTimeout)
w.Done()
}(&wg, 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)
}
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(w *sync.WaitGroup, n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
wgErrs[n] = createPVCAndApp(name, f, &p, &a, deployTimeout)
if wgErrs[n] == nil {
err = validateSubvolumePath(f, p.Name, p.Namespace, fileSystemName, subvolumegroup)
if err != nil {
wgErrs[n] = err
}
}
w.Done()
}(&wg, 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 app (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("creating PVCs and apps failed, %d errors were logged", failed)
}
validateSubvolumeCount(f, totalSubvolumes, fileSystemName, subvolumegroup)
wg.Add(totalCount)
// delete clone and app
for i := 0; i < totalCount; i++ {
go func(w *sync.WaitGroup, 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)
w.Done()
}(&wg, 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 app (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and apps failed, %d errors were logged", failed)
}
parentPVCCount := totalSubvolumes - totalCount
validateSubvolumeCount(f, parentPVCCount, fileSystemName, subvolumegroup)
// create clones from different snapshosts and bind it to an
// app
wg.Add(totalCount)
for i := 0; i < totalCount; i++ {
go func(w *sync.WaitGroup, 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)
if wgErrs[n] == nil {
err = validateSubvolumePath(f, p.Name, p.Namespace, fileSystemName, subvolumegroup)
if err != nil {
wgErrs[n] = err
}
}
w.Done()
}(&wg, 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 app (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("creating PVCs and apps failed, %d errors were logged", failed)
}
validateSubvolumeCount(f, totalSubvolumes, fileSystemName, subvolumegroup)
wg.Add(totalCount)
// delete snapshot
for i := 0; i < totalCount; i++ {
go func(w *sync.WaitGroup, n int, s vs.VolumeSnapshot) {
s.Name = fmt.Sprintf("%s%d", f.UniqueName, n)
wgErrs[n] = deleteSnapshot(&s, deployTimeout)
w.Done()
}(&wg, 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)
}
wg.Add(totalCount)
// delete clone and app
for i := 0; i < totalCount; i++ {
go func(w *sync.WaitGroup, 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)
w.Done()
}(&wg, 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 app (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and apps failed, %d errors were logged", failed)
}
validateSubvolumeCount(f, parentPVCCount, fileSystemName, subvolumegroup)
// delete parent pvc
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC or application with error %v", err)
}
validateSubvolumeCount(f, 0, fileSystemName, subvolumegroup)
}
})
By("create a PVC-PVC clone and bind it to an app", func() {
// pvc clone is only supported from v1.16+
if k8sVersionGreaterEquals(f.ClientSet, 1, 16) {
var wg sync.WaitGroup
totalCount := 3
wgErrs := make([]error, totalCount)
// totalSubvolumes represents the subvolumes in backend
// always totalCount+parentPVC
totalSubvolumes := totalCount + 1
pvc, err := loadPVC(pvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
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 application with error %v", err)
}
app.Namespace = f.UniqueName
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
wErr := writeDataInPod(app, f)
if wErr != nil {
e2elog.Failf("failed to write data from application %v", wErr)
}
pvcClone, err := loadPVC(pvcSmartClonePath)
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(appSmartClonePath)
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(w *sync.WaitGroup, n int, p v1.PersistentVolumeClaim, a v1.Pod) {
name := fmt.Sprintf("%s%d", f.UniqueName, n)
wgErrs[n] = createPVCAndApp(name, f, &p, &a, deployTimeout)
w.Done()
}(&wg, 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 or application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and apps failed, %d errors were logged", failed)
}
validateSubvolumeCount(f, totalSubvolumes, fileSystemName, subvolumegroup)
// delete parent pvc
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
e2elog.Failf("failed to delete PVC or application with error %v", err)
}
wg.Add(totalCount)
// delete clone and app
for i := 0; i < totalCount; i++ {
go func(w *sync.WaitGroup, 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)
w.Done()
}(&wg, 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 or application (%s%d): %v", f.UniqueName, i, err)
failed++
}
}
if failed != 0 {
e2elog.Failf("deleting PVCs and apps failed, %d errors were logged", failed)
}
validateSubvolumeCount(f, 0, fileSystemName, subvolumegroup)
}
})
By("Create ROX PVC and bind it to an app", func() {
// 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
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
pvcClone, err := loadPVC(pvcSmartClonePath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
pvcClone.Namespace = f.UniqueName
pvcClone.Spec.DataSource.Name = pvc.Name
pvcClone.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadOnlyMany}
app, err := loadApp(appPath)
if err != nil {
e2elog.Failf("failed to load application with error %v", err)
}
app.Namespace = f.UniqueName
label := map[string]string{
"app": app.Name,
}
app.Labels = label
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvcClone.Name
err = createPVCAndApp("", f, pvcClone, app, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC or application with error %v", err)
}
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("app=%s", app.Name),
}
filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
_, stdErr := execCommandInPodAndAllowFail(f, fmt.Sprintf("echo 'Hello World' > %s", filePath), app.Namespace, &opt)
readOnlyErr := fmt.Sprintf("cannot create %s: Read-only file system", filePath)
if !strings.Contains(stdErr, readOnlyErr) {
e2elog.Failf(stdErr)
}
// delete cloned ROX pvc and app
err = deletePVCAndApp("", f, pvcClone, app)
if err != nil {
e2elog.Failf("failed to delete PVC or application with error %v", err)
}
// delete parent pvc
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
})
// Make sure this should be last testcase in this file, because
// it deletes pool
By("Create a PVC and delete PVC when backend pool deleted", func() {
err := pvcDeleteWhenPoolNotFound(pvcPath, true, f)
if err != nil {
e2elog.Failf("failed to delete PVC with error %v", err)
}
})
})
})
})