mirror of
https://github.com/ceph/ceph-csi.git
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e2e: fix the testcases for rbd-nbd
Now that the healer functionaity for mounter processes is available, lets start, using it. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This commit is contained in:
Prasanna Kumar Kalever
mergify[bot]
parent
78f740d903
commit
fd3bf1750b
180
e2e/rbd.go
180
e2e/rbd.go
@ -2,15 +2,17 @@ package e2e
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import (
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"context"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"regexp"
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"strings"
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"time"
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. "github.com/onsi/ginkgo" // nolint
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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e2elog "k8s.io/kubernetes/test/e2e/framework/log"
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@ -425,7 +427,7 @@ var _ = Describe("RBD", func() {
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}
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})
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By("perform IO on rbd-nbd volume after nodeplugin restart and expect a failure", func() {
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By("perform IO on rbd-nbd volume after nodeplugin restart", func() {
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err := deleteResource(rbdExamplePath + "storageclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete storageclass with error %v", err)
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@ -482,92 +484,9 @@ var _ = Describe("RBD", func() {
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e2elog.Failf("timeout waiting for daemonset pods with error %v", err)
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}
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opt := metav1.ListOptions{
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LabelSelector: fmt.Sprintf("app=%s", app.Name),
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}
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// FIXME: Fix this behavior, i.e. when the nodeplugin is
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// restarted, the rbd-nbd processes should be back to life
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// as rbd-nbd processes are responsible for IO
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// For now to prove this isn't working, write something to
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// mountpoint and expect a failure as the processes are terminated.
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filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
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_, stdErr := execCommandInPodAndAllowFail(
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f,
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fmt.Sprintf("echo 'Hello World' > %s", filePath),
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app.Namespace,
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&opt)
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IOErr := fmt.Sprintf("cannot create %s: Input/output error", filePath)
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if !strings.Contains(stdErr, IOErr) {
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e2elog.Failf(stdErr)
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} else {
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e2elog.Logf("failed IO as expected: %v", stdErr)
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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 and application with error %v", err)
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}
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// validate created backend rbd images
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validateRBDImageCount(f, 0, defaultRBDPool)
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err = deleteResource(rbdExamplePath + "storageclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete storageclass with error %v", err)
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}
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err = createRBDStorageClass(f.ClientSet, f, defaultSCName, nil, nil, deletePolicy)
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if err != nil {
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e2elog.Failf("failed to create storageclass with error %v", err)
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}
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})
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By("restart rbd-nbd process on nodeplugin and continue IO after nodeplugin restart", func() {
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err := deleteResource(rbdExamplePath + "storageclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete storageclass with error %v", err)
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}
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// Tweak Storageclass to add netlink,reattach rbd-nbd mounter options
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scOpts := map[string]string{
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"mounter": "rbd-nbd",
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"mapOptions": "try-netlink,reattach-timeout=180",
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}
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err = createRBDStorageClass(f.ClientSet, f, defaultSCName, nil, scOpts, deletePolicy)
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if err != nil {
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e2elog.Failf("failed to create storageclass with error %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 with error %v", err)
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}
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pvc.Namespace = f.UniqueName
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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 with error %v", err)
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}
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app.Namespace = f.UniqueName
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label := map[string]string{
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"app": app.Name,
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}
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app.Labels = label
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app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
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err = createPVCAndApp("", f, pvc, app, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to create PVC and application with error %v", err)
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}
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// validate created backend rbd images
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validateRBDImageCount(f, 1, defaultRBDPool)
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selector, err := getDaemonSetLabelSelector(f, cephCSINamespace, rbdDaemonsetName)
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if err != nil {
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e2elog.Failf("failed to get the labels with error %v", err)
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}
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opt := metav1.ListOptions{
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LabelSelector: selector,
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}
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uname, stdErr, err := execCommandInContainer(f, "uname -a", cephCSINamespace, "csi-rbdplugin", &opt)
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if err != nil || stdErr != "" {
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e2elog.Failf("failed to run uname cmd : %v, stdErr: %v ", err, stdErr)
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@ -584,78 +503,41 @@ var _ = Describe("RBD", func() {
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}
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e2elog.Logf("rbd-nbd package version: %v", rpmv)
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// Get details of rbd-nbd process
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// # ps -eo 'cmd' | grep [r]bd-nbd
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// /usr/bin/rbd-nbd --id cephcsi-rbd-node -m svc-name:6789 --keyfile=/tmp/csi/keys/keyfile attach \
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// --device /dev/nbd0 pool-name/image-name --try-netlink --reattach-timeout=180
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mapCmd, stdErr, err := execCommandInContainer(
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f,
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"ps -eo 'cmd' | grep [r]bd-nbd",
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cephCSINamespace,
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"csi-rbdplugin",
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&opt)
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if err != nil || stdErr != "" {
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e2elog.Failf("failed to run ps cmd : %v, stdErr: %v ", err, stdErr)
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}
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e2elog.Logf("map command running before restart, mapCmd: %v", mapCmd)
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timeout := time.Duration(deployTimeout) * time.Minute
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var reason string
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err = wait.PollImmediate(poll, timeout, func() (bool, error) {
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var runningAttachCmd string
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runningAttachCmd, stdErr, err = execCommandInContainer(
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f,
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"ps -eo 'cmd' | grep [r]bd-nbd",
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cephCSINamespace,
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"csi-rbdplugin",
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&opt)
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// if the rbd-nbd process is not running the ps | grep command
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// will return with exit code 1
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if err != nil {
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if strings.Contains(err.Error(), "command terminated with exit code 1") {
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reason = fmt.Sprintf("rbd-nbd process is not running yet: %v", err)
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} else if stdErr != "" {
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reason = fmt.Sprintf("failed to run ps cmd : %v, stdErr: %v", err, stdErr)
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}
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e2elog.Logf("%s", reason)
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return false, nil
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}
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e2elog.Logf("attach command running after restart, runningAttachCmd: %v", runningAttachCmd)
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return true, nil
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})
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rbdNodeKey, stdErr, err := execCommandInToolBoxPod(
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f,
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"ceph auth get-key client.cephcsi-rbd-node",
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rookNamespace)
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if err != nil || stdErr != "" {
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e2elog.Failf("error getting cephcsi-rbd-node key, err: %v, stdErr: %v ", err, stdErr)
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if errors.Is(err, wait.ErrWaitTimeout) {
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e2elog.Failf("timed out waiting for the rbd-nbd process: %s", reason)
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}
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// restart the rbd node plugin
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err = deletePodWithLabel(selector, cephCSINamespace, false)
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if err != nil {
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e2elog.Failf("fail to delete pod with error %v", err)
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e2elog.Failf("failed to poll: %v", err)
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}
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// wait for nodeplugin pods to come up
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err = waitForDaemonSets(rbdDaemonsetName, cephCSINamespace, f.ClientSet, deployTimeout)
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if err != nil {
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e2elog.Failf("timeout waiting for daemonset pods with error %v", err)
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}
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// Prepare the rbd-nbd with command args
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attachCmd := strings.ReplaceAll(mapCmd, "map", "attach --device /dev/nbd0")
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m1 := regexp.MustCompile(`/keyfile-\d* `)
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attachCmd = m1.ReplaceAllString(attachCmd, "/keyfile-test ")
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e2elog.Logf("attach command to run after restart, attachCmd: %v", attachCmd)
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// create the keyfile
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_, stdErr, err = execCommandInContainer(
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f,
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fmt.Sprintf("echo %s > /tmp/csi/keys/keyfile-test", rbdNodeKey),
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cephCSINamespace,
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"csi-rbdplugin",
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&opt)
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if err != nil || stdErr != "" {
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e2elog.Failf("failed to write key to a file, err: %v, stdErr: %v ", err, stdErr)
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}
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_, stdErr, err = execCommandInContainer(f, attachCmd, cephCSINamespace, "csi-rbdplugin", &opt)
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if err != nil || stdErr != "" {
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e2elog.Failf("failed to run attach cmd err: %v, stdErr: %v ", err, stdErr)
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}
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runningAttachCmd, stdErr, err := execCommandInContainer(
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f,
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"ps -eo 'cmd' | grep [r]bd-nbd",
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cephCSINamespace,
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"csi-rbdplugin",
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&opt)
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if err != nil || stdErr != "" {
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e2elog.Failf("failed to run ps cmd : %v, stdErr: %v ", err, stdErr)
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}
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e2elog.Logf("attach command running after restart, runningAttachCmd: %v", runningAttachCmd)
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appOpt := metav1.ListOptions{
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LabelSelector: fmt.Sprintf("app=%s", app.Name),
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}
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// Write something to mountpoint and expect it to happen
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filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
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_, stdErr, err = execCommandInPod(
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f,
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