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Bug 1751711: UPSTREAM: 341: Ignore provisioning for in-tree volumes that have not been migrated #18

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Merged
openshift-merge-robot merged 1 commit into from
Sep 13, 2019
Merged

Bug 1751711: UPSTREAM: 341: Ignore provisioning for in-tree volumes that have not been migrated #18

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11 changes: 11 additions & 0 deletions pkg/controller/controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,8 @@ const (
tokenPVNameKey = "pv.name"
tokenPVCNameKey = "pvc.name"
tokenPVCNameSpaceKey = "pvc.namespace"

annStorageProvisioner = "volume.beta.kubernetes.io/storage-provisioner"
)

var (
Expand Down Expand Up @@ -338,6 +340,15 @@ func (p *csiProvisioner) Provision(options controller.VolumeOptions) (*v1.Persis

func (p *csiProvisioner) ProvisionExt(options controller.VolumeOptions) (*v1.PersistentVolume, controller.ProvisioningState, error) {
createVolumeRequestParameters := options.Parameters

if options.PVC.Annotations[annStorageProvisioner] != p.driverName {
return nil, controller.ProvisioningFinished, &controller.IgnoredError{
Reason: fmt.Sprintf("PVC annotated with external-provisioner name %s does not match provisioner driver name %s. This could mean the PVC is not migrated",
options.PVC.Annotations[annStorageProvisioner],
p.driverName),
}
}

migratedVolume := false
if p.supportsMigrationFromInTreePluginName != "" {
storageClassName := options.PVC.Spec.StorageClassName
Expand Down
86 changes: 69 additions & 17 deletions pkg/controller/controller_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,8 @@ const (
var (
volumeModeFileSystem = v1.PersistentVolumeFilesystem
volumeModeBlock = v1.PersistentVolumeBlock

driverNameAnnotation = map[string]string{annStorageProvisioner: driverName}
)

type csiConnection struct {
Expand Down Expand Up @@ -458,7 +460,8 @@ func provisionWithTopologyCapabilities() (connection.PluginCapabilitySet, connec
func createFakePVC(requestBytes int64) *v1.PersistentVolumeClaim {
return &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: map[string]string{annStorageProvisioner: driverName},
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil, // Provisioner doesn't support selector
Expand Down Expand Up @@ -732,7 +735,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -781,7 +785,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -830,7 +835,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -879,7 +885,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -1062,7 +1069,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -1119,7 +1127,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand All @@ -1145,7 +1154,8 @@ func TestProvision(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand All @@ -1168,7 +1178,43 @@ func TestProvision(t *testing.T) {
}

for k, tc := range testcases {
runProvisionTest(t, k, tc, requestedBytes)
runProvisionTest(t, k, tc, requestedBytes, driverName, "" /*no migration */)
}
}

func TestProvisionWithMigration(t *testing.T) {
inTreePluginName := "kubernetes.io/gce-pd"
migrationDriverName := "pd.csi.storage.gke.io"
var requestBytes int64 = 100000

deletePolicy := v1.PersistentVolumeReclaimDelete
testcases := map[string]provisioningTestcase{
"should ignore in-tree with migration": {
volOpts: controller.VolumeOptions{
PersistentVolumeReclaimPolicy: deletePolicy,
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
Name: "fake-pvc",
Annotations: map[string]string{annStorageProvisioner: inTreePluginName},
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil, // Provisioner doesn't support selector
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(strconv.FormatInt(requestBytes, 10)),
},
},
},
},
},
expectErr: true,
},
}

for k, tc := range testcases {
runProvisionTest(t, k, tc, requestBytes, migrationDriverName, inTreePluginName)
}
}

Expand Down Expand Up @@ -1201,7 +1247,7 @@ func newSnapshot(name, className, boundToContent, snapshotUID, claimName string,
return &snapshot
}

func runProvisionTest(t *testing.T, k string, tc provisioningTestcase, requestedBytes int64) {
func runProvisionTest(t *testing.T, k string, tc provisioningTestcase, requestedBytes int64, provisionDriverName, supportsMigrationFromInTreePluginName string) {
t.Logf("Running test: %v", k)

tmpdir := tempDir(t)
Expand Down Expand Up @@ -1237,7 +1283,7 @@ func runProvisionTest(t *testing.T, k string, tc provisioningTestcase, requested
}

pluginCaps, controllerCaps := provisionCapabilities()
csiProvisioner := NewCSIProvisioner(clientSet, 5*time.Second, "test-provisioner", "test", 5, csiConn.conn, nil, driverName, pluginCaps, controllerCaps, "")
csiProvisioner := NewCSIProvisioner(clientSet, 5*time.Second, "test-provisioner", "test", 5, csiConn.conn, nil, provisionDriverName, pluginCaps, controllerCaps, supportsMigrationFromInTreePluginName)

out := &csi.CreateVolumeResponse{
Volume: &csi.Volume{
Expand Down Expand Up @@ -1394,7 +1440,8 @@ func TestProvisionFromSnapshot(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -1436,7 +1483,8 @@ func TestProvisionFromSnapshot(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down Expand Up @@ -1464,7 +1512,8 @@ func TestProvisionFromSnapshot(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand All @@ -1491,7 +1540,8 @@ func TestProvisionFromSnapshot(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand All @@ -1518,7 +1568,8 @@ func TestProvisionFromSnapshot(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand All @@ -1545,7 +1596,8 @@ func TestProvisionFromSnapshot(t *testing.T) {
PVName: "test-name",
PVC: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
UID: "testid",
UID: "testid",
Annotations: driverNameAnnotation,
},
Spec: v1.PersistentVolumeClaimSpec{
Selector: nil,
Expand Down