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Fix devicePath for raw block expansion

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Fix tests
This commit is contained in:
Hemant Kumar 2019-08-22 12:13:01 -04:00
parent 7a4cdf5ab2
commit 9dbe0b3ad8
6 changed files with 316 additions and 211 deletions
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1
pkg/kubelet/volumemanager/populator/BUILD
View File

@ -11,7 +11,6 @@ go_library(
srcs = ["desired_state_of_world_populator.go"],
importpath = "k8s.io/kubernetes/pkg/kubelet/volumemanager/populator",
deps = [
"//pkg/api/v1/pod:go_default_library",
"//pkg/features:go_default_library",
"//pkg/kubelet/config:go_default_library",
"//pkg/kubelet/container:go_default_library",

12
pkg/kubelet/volumemanager/populator/desired_state_of_world_populator.go
View File

@ -388,7 +388,10 @@ func (dswp *desiredStateOfWorldPopulator) checkVolumeFSResize(
// so we only need to check it once if more than one pod use it.
return
}
if mountedReadOnlyByPod(podVolume, pod) {
// volumeSpec.ReadOnly is the value that determines if volume could be formatted when being mounted.
// This is the same flag that determines filesystem resizing behaviour for offline resizing and hence
// we should use it here. This value comes from Pod.spec.volumes.persistentVolumeClaim.readOnly.
if volumeSpec.ReadOnly {
// This volume is used as read only by this pod, we don't perform resize for read only volumes.
klog.V(5).Infof("Skip file system resize check for volume %s in pod %s/%s "+
"as the volume is mounted as readonly", podVolume.Name, pod.Namespace, pod.Name)
@ -400,13 +403,6 @@ func (dswp *desiredStateOfWorldPopulator) checkVolumeFSResize(
processedVolumesForFSResize.Insert(string(uniqueVolumeName))
}
func mountedReadOnlyByPod(podVolume v1.Volume, pod *v1.Pod) bool {
if podVolume.PersistentVolumeClaim.ReadOnly {
return true
}
return false
}
func getUniqueVolumeName(
podName volumetypes.UniquePodName,
outerVolumeSpecName string,

481
pkg/kubelet/volumemanager/reconciler/reconciler_test.go
View File

@ -442,11 +442,47 @@ func Test_Run_Positive_VolumeAttachAndMap(t *testing.T) {
// Enable BlockVolume feature gate
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.BlockVolume, true)()
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
Namespace: "ns",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
ClaimRef: &v1.ObjectReference{Namespace: "ns", Name: "pvc-volume-name"},
},
}
gcepvc := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{UID: "pvc-001", Name: "pvc-volume-name", Namespace: "ns"},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "volume-name",
VolumeMode: &mode,
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
Capacity: gcepv.Spec.Capacity,
},
}
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
kubeClient := createtestClientWithPVPVC(gcepv, gcepvc)
fakeRecorder := &record.FakeRecorder{}
fakeHandler := volumetesting.NewBlockVolumePathHandler()
oex := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(
@ -469,27 +505,6 @@ func Test_Run_Positive_VolumeAttachAndMap(t *testing.T) {
&mount.FakeHostUtil{},
volumePluginMgr,
kubeletPodsDir)
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
@ -527,11 +542,53 @@ func Test_Run_Positive_BlockVolumeMapControllerAttachEnabled(t *testing.T) {
// Enable BlockVolume feature gate
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.BlockVolume, true)()
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
Namespace: "ns",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
ClaimRef: &v1.ObjectReference{Namespace: "ns", Name: "pvc-volume-name"},
},
}
gcepvc := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{UID: "pvc-001", Name: "pvc-volume-name", Namespace: "ns"},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "volume-name",
VolumeMode: &mode,
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
Capacity: gcepv.Spec.Capacity,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
}
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
kubeClient := createtestClientWithPVPVC(gcepv, gcepvc, v1.AttachedVolume{
Name: "fake-plugin/fake-device1",
DevicePath: "/fake/path",
})
fakeRecorder := &record.FakeRecorder{}
fakeHandler := volumetesting.NewBlockVolumePathHandler()
oex := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(
@ -554,31 +611,7 @@ func Test_Run_Positive_BlockVolumeMapControllerAttachEnabled(t *testing.T) {
&mount.FakeHostUtil{},
volumePluginMgr,
kubeletPodsDir)
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
}
podName := util.GetUniquePodName(pod)
generatedVolumeName, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
@ -613,11 +646,50 @@ func Test_Run_Positive_BlockVolumeAttachMapUnmapDetach(t *testing.T) {
// Enable BlockVolume feature gate
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.BlockVolume, true)()
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
Namespace: "ns",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
ClaimRef: &v1.ObjectReference{Namespace: "ns", Name: "pvc-volume-name"},
},
}
gcepvc := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{UID: "pvc-001", Name: "pvc-volume-name", Namespace: "ns"},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "volume-name",
VolumeMode: &mode,
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
Capacity: gcepv.Spec.Capacity,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
}
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
kubeClient := createtestClientWithPVPVC(gcepv, gcepvc)
fakeRecorder := &record.FakeRecorder{}
fakeHandler := volumetesting.NewBlockVolumePathHandler()
oex := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(
@ -640,31 +712,7 @@ func Test_Run_Positive_BlockVolumeAttachMapUnmapDetach(t *testing.T) {
&mount.FakeHostUtil{},
volumePluginMgr,
kubeletPodsDir)
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
}
podName := util.GetUniquePodName(pod)
generatedVolumeName, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
@ -709,11 +757,53 @@ func Test_Run_Positive_VolumeUnmapControllerAttachEnabled(t *testing.T) {
// Enable BlockVolume feature gate
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.BlockVolume, true)()
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
Namespace: "ns",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
ClaimRef: &v1.ObjectReference{Namespace: "ns", Name: "pvc-volume-name"},
},
}
gcepvc := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{UID: "pvc-001", Name: "pvc-volume-name", Namespace: "ns"},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "volume-name",
VolumeMode: &mode,
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
Capacity: gcepv.Spec.Capacity,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
}
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
kubeClient := createtestClientWithPVPVC(gcepv, gcepvc, v1.AttachedVolume{
Name: "fake-plugin/fake-device1",
DevicePath: "/fake/path",
})
fakeRecorder := &record.FakeRecorder{}
fakeHandler := volumetesting.NewBlockVolumePathHandler()
oex := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(
@ -736,31 +826,7 @@ func Test_Run_Positive_VolumeUnmapControllerAttachEnabled(t *testing.T) {
&mount.FakeHostUtil{},
volumePluginMgr,
kubeletPodsDir)
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{},
}
mode := v1.PersistentVolumeBlock
gcepv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{UID: "001", Name: "volume-name"},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{v1.ResourceName(v1.ResourceStorage): resource.MustParse("10G")},
PersistentVolumeSource: v1.PersistentVolumeSource{GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{PDName: "fake-device1"}},
AccessModes: []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
},
VolumeMode: &mode,
},
}
volumeSpec := &volume.Spec{
PersistentVolume: gcepv,
}
podName := util.GetUniquePodName(pod)
generatedVolumeName, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
@ -948,113 +1014,132 @@ func Test_GenerateUnmapDeviceFunc_Plugin_Not_Found(t *testing.T) {
// Verifies volume's fsResizeRequired flag is cleared later.
func Test_Run_Positive_VolumeFSResizeControllerAttachEnabled(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ExpandInUsePersistentVolumes, true)()
blockMode := v1.PersistentVolumeBlock
fsMode := v1.PersistentVolumeFilesystem
fs := v1.PersistentVolumeFilesystem
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "pv",
UID: "pvuid",
var tests = []struct {
name string
volumeMode *v1.PersistentVolumeMode
}{
{
name: "expand-fs-volume",
volumeMode: &fsMode,
},
Spec: v1.PersistentVolumeSpec{
ClaimRef: &v1.ObjectReference{Name: "pvc"},
VolumeMode: &fs,
{
name: "expand-raw-block",
volumeMode: &blockMode,
},
}
pvc := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc",
UID: "pvcuid",
},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "pv",
VolumeMode: &fs,
},
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: "volume-name",
VolumeSource: v1.VolumeSource{
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
ClaimName: pvc.Name,
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "pv",
UID: "pvuid",
},
Spec: v1.PersistentVolumeSpec{
ClaimRef: &v1.ObjectReference{Name: "pvc"},
VolumeMode: tc.volumeMode,
},
}
pvc := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc",
UID: "pvcuid",
},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "pv",
VolumeMode: tc.volumeMode,
},
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: "volume-name",
VolumeSource: v1.VolumeSource{
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
ClaimName: pvc.Name,
},
},
},
},
},
},
},
}
}
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createtestClientWithPVPVC(pv, pvc)
fakeRecorder := &record.FakeRecorder{}
fakeHandler := volumetesting.NewBlockVolumePathHandler()
oex := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(
kubeClient,
volumePluginMgr,
fakeRecorder,
false, /* checkNodeCapabilitiesBeforeMount */
fakeHandler))
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createtestClientWithPVPVC(pv, pvc)
fakeRecorder := &record.FakeRecorder{}
fakeHandler := volumetesting.NewBlockVolumePathHandler()
oex := operationexecutor.NewOperationExecutor(operationexecutor.NewOperationGenerator(
kubeClient,
volumePluginMgr,
fakeRecorder,
false, /* checkNodeCapabilitiesBeforeMount */
fakeHandler))
reconciler := NewReconciler(
kubeClient,
true, /* controllerAttachDetachEnabled */
reconcilerLoopSleepDuration,
waitForAttachTimeout,
nodeName,
dsw,
asw,
hasAddedPods,
oex,
&mount.FakeMounter{},
&mount.FakeHostUtil{},
volumePluginMgr,
kubeletPodsDir)
reconciler := NewReconciler(
kubeClient,
true, /* controllerAttachDetachEnabled */
reconcilerLoopSleepDuration,
waitForAttachTimeout,
nodeName,
dsw,
asw,
hasAddedPods,
oex,
&mount.FakeMounter{},
&mount.FakeHostUtil{},
volumePluginMgr,
kubeletPodsDir)
volumeSpec := &volume.Spec{PersistentVolume: pv}
podName := util.GetUniquePodName(pod)
volumeName, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
// Assert
if err != nil {
t.Fatalf("AddPodToVolume failed. Expected: <no error> Actual: <%v>", err)
}
dsw.MarkVolumesReportedInUse([]v1.UniqueVolumeName{volumeName})
volumeSpec := &volume.Spec{PersistentVolume: pv}
podName := util.GetUniquePodName(pod)
volumeName, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
// Assert
if err != nil {
t.Fatalf("AddPodToVolume failed. Expected: <no error> Actual: <%v>", err)
}
dsw.MarkVolumesReportedInUse([]v1.UniqueVolumeName{volumeName})
// Start the reconciler to fill ASW.
stopChan, stoppedChan := make(chan struct{}), make(chan struct{})
go func() {
reconciler.Run(stopChan)
close(stoppedChan)
}()
waitForMount(t, fakePlugin, volumeName, asw)
// Stop the reconciler.
close(stopChan)
<-stoppedChan
// Start the reconciler to fill ASW.
stopChan, stoppedChan := make(chan struct{}), make(chan struct{})
go func() {
reconciler.Run(stopChan)
close(stoppedChan)
}()
waitForMount(t, fakePlugin, volumeName, asw)
// Stop the reconciler.
close(stopChan)
<-stoppedChan
// Mark volume as fsResizeRequired.
asw.MarkFSResizeRequired(volumeName, podName)
_, _, podExistErr := asw.PodExistsInVolume(podName, volumeName)
if !cache.IsFSResizeRequiredError(podExistErr) {
t.Fatalf("Volume should be marked as fsResizeRequired, but receive unexpected error: %v", podExistErr)
}
// Mark volume as fsResizeRequired.
asw.MarkFSResizeRequired(volumeName, podName)
_, _, podExistErr := asw.PodExistsInVolume(podName, volumeName)
if !cache.IsFSResizeRequiredError(podExistErr) {
t.Fatalf("Volume should be marked as fsResizeRequired, but receive unexpected error: %v", podExistErr)
}
// Start the reconciler again, we hope reconciler will perform the
// resize operation and clear the fsResizeRequired flag for volume.
go reconciler.Run(wait.NeverStop)
// Start the reconciler again, we hope reconciler will perform the
// resize operation and clear the fsResizeRequired flag for volume.
go reconciler.Run(wait.NeverStop)
waitErr := retryWithExponentialBackOff(500*time.Millisecond, func() (done bool, err error) {
mounted, _, err := asw.PodExistsInVolume(podName, volumeName)
return mounted && err == nil, nil
})
if waitErr != nil {
t.Fatal("Volume resize should succeeded")
waitErr := retryWithExponentialBackOff(500*time.Millisecond, func() (done bool, err error) {
mounted, _, err := asw.PodExistsInVolume(podName, volumeName)
return mounted && err == nil, nil
})
if waitErr != nil {
t.Fatal("Volume resize should succeeded")
}
})
}
}
@ -1138,19 +1223,21 @@ func runReconciler(reconciler Reconciler) {
go reconciler.Run(wait.NeverStop)
}
func createtestClientWithPVPVC(pv *v1.PersistentVolume, pvc *v1.PersistentVolumeClaim) *fake.Clientset {
func createtestClientWithPVPVC(pv *v1.PersistentVolume, pvc *v1.PersistentVolumeClaim, attachedVolumes ...v1.AttachedVolume) *fake.Clientset {
fakeClient := &fake.Clientset{}
if len(attachedVolumes) == 0 {
attachedVolumes = append(attachedVolumes, v1.AttachedVolume{
Name: "fake-plugin/pv",
DevicePath: "fake/path",
})
}
fakeClient.AddReactor("get", "nodes",
func(action core.Action) (bool, runtime.Object, error) {
return true, &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: string(nodeName)},
Status: v1.NodeStatus{
VolumesAttached: []v1.AttachedVolume{
{
Name: "fake-plugin/pv",
DevicePath: "fake/path",
},
}},
VolumesAttached: attachedVolumes,
},
}, nil
})
fakeClient.AddReactor("get", "persistentvolumeclaims", func(action core.Action) (bool, runtime.Object, error) {

17
pkg/volume/csi/expander.go
View File

@ -26,6 +26,7 @@ import (
"k8s.io/klog"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
var _ volume.NodeExpandableVolumePlugin = &csiPlugin{}
@ -52,14 +53,19 @@ func (c *csiPlugin) NodeExpand(resizeOptions volume.NodeResizeOptions) (bool, er
if err != nil {
return false, err
}
fsVolume, err := util.CheckVolumeModeFilesystem(resizeOptions.VolumeSpec)
if err != nil {
return false, errors.New(log("Expander.NodeExpand failed to check VolumeMode of source: %v", err))
}
return c.nodeExpandWithClient(resizeOptions, csiSource, csClient)
return c.nodeExpandWithClient(resizeOptions, csiSource, csClient, fsVolume)
}
func (c *csiPlugin) nodeExpandWithClient(
resizeOptions volume.NodeResizeOptions,
csiSource *api.CSIPersistentVolumeSource,
csClient csiClient) (bool, error) {
csClient csiClient,
fsVolume bool) (bool, error) {
driverName := csiSource.Driver
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
@ -88,7 +94,12 @@ func (c *csiPlugin) nodeExpandWithClient(
return false, nil
}
_, err = csClient.NodeExpandVolume(ctx, csiSource.VolumeHandle, resizeOptions.DeviceMountPath, resizeOptions.NewSize)
volumeTargetPath := resizeOptions.DeviceMountPath
if !fsVolume {
volumeTargetPath = resizeOptions.DevicePath
}
_, err = csClient.NodeExpandVolume(ctx, csiSource.VolumeHandle, volumeTargetPath, resizeOptions.NewSize)
if err != nil {
return false, fmt.Errorf("Expander.NodeExpand failed to expand the volume : %v", err)
}

15
pkg/volume/csi/expander_test.go
View File

@ -31,6 +31,7 @@ func TestNodeExpand(t *testing.T) {
nodeStageSet bool
volumePhase volume.CSIVolumePhaseType
success bool
fsVolume bool
}{
{
name: "when node expansion is not set",
@ -42,12 +43,14 @@ func TestNodeExpand(t *testing.T) {
nodeStageSet: true,
volumePhase: volume.CSIVolumeStaged,
success: true,
fsVolume: true,
},
{
name: "when nodeExpansion=on, nodeStage=off, volumePhase=staged",
nodeExpansion: true,
volumePhase: volume.CSIVolumeStaged,
success: false,
fsVolume: true,
},
{
name: "when nodeExpansion=on, nodeStage=on, volumePhase=published",
@ -55,12 +58,21 @@ func TestNodeExpand(t *testing.T) {
nodeStageSet: true,
volumePhase: volume.CSIVolumePublished,
success: true,
fsVolume: true,
},
{
name: "when nodeExpansion=on, nodeStage=off, volumePhase=published",
nodeExpansion: true,
volumePhase: volume.CSIVolumePublished,
success: true,
fsVolume: true,
},
{
name: "when nodeExpansion=on, nodeStage=off, volumePhase=published, fsVolume=false",
nodeExpansion: true,
volumePhase: volume.CSIVolumePublished,
success: true,
fsVolume: false,
},
}
for _, tc := range tests {
@ -76,13 +88,14 @@ func TestNodeExpand(t *testing.T) {
VolumeSpec: spec,
NewSize: newSize,
DeviceMountPath: "/foo/bar",
DevicePath: "/mnt/foobar",
CSIVolumePhase: tc.volumePhase,
}
csiSource, _ := getCSISourceFromSpec(resizeOptions.VolumeSpec)
csClient := setupClientWithExpansion(t, tc.nodeStageSet, tc.nodeExpansion)
ok, err := plug.nodeExpandWithClient(resizeOptions, csiSource, csClient)
ok, err := plug.nodeExpandWithClient(resizeOptions, csiSource, csClient, tc.fsVolume)
if ok != tc.success {
if err != nil {
t.Errorf("For %s : expected %v got %v with %v", tc.name, tc.success, ok, err)

1
pkg/volume/util/operationexecutor/BUILD
View File

@ -12,7 +12,6 @@ go_library(
"fakegenerator.go",
"operation_executor.go",
"operation_generator.go",
"volume_operation.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/util/operationexecutor",
deps = [