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Allow uncertain mount tests to run parallely

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This commit is contained in:
Hemant Kumar 2021-02-17 16:42:41 -05:00
parent b2860a3604
commit 6f9a3374b1
1 changed files with 44 additions and 8 deletions
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52
pkg/kubelet/volumemanager/reconciler/reconciler_test.go
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@ -17,6 +17,7 @@ limitations under the License.
package reconciler
import (
"crypto/md5"
"fmt"
"testing"
"time"
@ -1222,11 +1223,17 @@ func Test_UncertainDeviceGlobalMounts(t *testing.T) {
},
}
for _, mode := range []v1.PersistentVolumeMode{v1.PersistentVolumeBlock, v1.PersistentVolumeFilesystem} {
for _, tc := range tests {
testName := fmt.Sprintf("%s [%s]", tc.name, mode)
t.Run(testName+"[", func(t *testing.T) {
modes := []v1.PersistentVolumeMode{v1.PersistentVolumeBlock, v1.PersistentVolumeFilesystem}
for modeIndex := range modes {
for tcIndex := range tests {
mode := modes[modeIndex]
tc := tests[tcIndex]
testName := fmt.Sprintf("%s [%s]", tc.name, mode)
uniqueTestString := fmt.Sprintf("global-mount-%s", testName)
uniquePodDir := fmt.Sprintf("%s-%x", kubeletPodsDir, md5.Sum([]byte(uniqueTestString)))
t.Run(testName+"[", func(t *testing.T) {
t.Parallel()
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: tc.volumeName,
@ -1297,7 +1304,7 @@ func Test_UncertainDeviceGlobalMounts(t *testing.T) {
&mount.FakeMounter{},
hostutil.NewFakeHostUtil(nil),
volumePluginMgr,
kubeletPodsDir)
uniquePodDir)
volumeSpec := &volume.Spec{PersistentVolume: pv}
podName := util.GetUniquePodName(pod)
volumeName, err := dsw.AddPodToVolume(
@ -1402,11 +1409,17 @@ func Test_UncertainVolumeMountState(t *testing.T) {
supportRemount: true,
},
}
modes := []v1.PersistentVolumeMode{v1.PersistentVolumeBlock, v1.PersistentVolumeFilesystem}
for _, mode := range []v1.PersistentVolumeMode{v1.PersistentVolumeBlock, v1.PersistentVolumeFilesystem} {
for _, tc := range tests {
for modeIndex := range modes {
for tcIndex := range tests {
mode := modes[modeIndex]
tc := tests[tcIndex]
testName := fmt.Sprintf("%s [%s]", tc.name, mode)
uniqueTestString := fmt.Sprintf("local-mount-%s", testName)
uniquePodDir := fmt.Sprintf("%s-%x", kubeletPodsDir, md5.Sum([]byte(uniqueTestString)))
t.Run(testName, func(t *testing.T) {
t.Parallel()
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: tc.volumeName,
@ -1476,7 +1489,7 @@ func Test_UncertainVolumeMountState(t *testing.T) {
&mount.FakeMounter{},
hostutil.NewFakeHostUtil(nil),
volumePluginMgr,
kubeletPodsDir)
uniquePodDir)
volumeSpec := &volume.Spec{PersistentVolume: pv}
podName := util.GetUniquePodName(pod)
volumeName, err := dsw.AddPodToVolume(
@ -1494,6 +1507,9 @@ func Test_UncertainVolumeMountState(t *testing.T) {
close(stoppedChan)
}()
waitForVolumeToExistInASW(t, volumeName, asw)
// all of these tests rely on device to be globally mounted and hence waiting for global
// mount ensures that unmountDevice is called as expected.
waitForGlobalMount(t, volumeName, asw)
if tc.volumeName == volumetesting.TimeoutAndFailOnSetupVolumeName {
// Wait upto 10s for reconciler to catchup
time.Sleep(reconcilerSyncWaitDuration)
@ -1570,6 +1586,26 @@ func waitForUncertainGlobalMount(t *testing.T, volumeName v1.UniqueVolumeName, a
}
}
func waitForGlobalMount(t *testing.T, volumeName v1.UniqueVolumeName, asw cache.ActualStateOfWorld) {
// check if volume is globally mounted
err := retryWithExponentialBackOff(
testOperationBackOffDuration,
func() (bool, error) {
mountedVolumes := asw.GetGloballyMountedVolumes()
for _, v := range mountedVolumes {
if v.VolumeName == volumeName {
return true, nil
}
}
return false, nil
},
)
if err != nil {
t.Fatalf("expected volume devices %s to be mounted globally", volumeName)
}
}
func waitForUncertainPodMount(t *testing.T, volumeName v1.UniqueVolumeName, asw cache.ActualStateOfWorld) {
// check if volume is locally pod mounted in uncertain state
err := retryWithExponentialBackOff(