Disable VolumeGroupSnapshot feature flag

Disable the flag for now. Will enable it when
the feature is fully implemented.

cmd/csi-snapshotter/main.go

@@ -79,13 +79,14 @@ var (
 	kubeAPIQPS   = flag.Float64("kube-api-qps", 5, "QPS to use while communicating with the kubernetes apiserver. Defaults to 5.0.")
 	kubeAPIBurst = flag.Int("kube-api-burst", 10, "Burst to use while communicating with the kubernetes apiserver. Defaults to 10.")
 
-	metricsAddress             = flag.String("metrics-address", "", "(deprecated) The TCP network address where the prometheus metrics endpoint will listen (example: `:8080`). The default is empty string, which means metrics endpoint is disabled. Only one of `--metrics-address` and `--http-endpoint` can be set.")
-	httpEndpoint               = flag.String("http-endpoint", "", "The TCP network address where the HTTP server for diagnostics, including metrics and leader election health check, will listen (example: `:8080`). The default is empty string, which means the server is disabled. Only one of `--metrics-address` and `--http-endpoint` can be set.")
-	metricsPath                = flag.String("metrics-path", "/metrics", "The HTTP path where prometheus metrics will be exposed. Default is `/metrics`.")
-	retryIntervalStart         = flag.Duration("retry-interval-start", time.Second, "Initial retry interval of failed volume snapshot creation or deletion. It doubles with each failure, up to retry-interval-max. Default is 1 second.")
-	retryIntervalMax           = flag.Duration("retry-interval-max", 5*time.Minute, "Maximum retry interval of failed volume snapshot creation or deletion. Default is 5 minutes.")
-	enableNodeDeployment       = flag.Bool("node-deployment", false, "Enables deploying the sidecar controller together with a CSI driver on nodes to manage snapshots for node-local volumes.")
-	enableVolumeGroupSnapshots = flag.Bool("enable-volume-group-snapshots", false, "Enables the volume group snapshot feature, allowing the user to create snapshots of groups of volumes.")
+	metricsAddress       = flag.String("metrics-address", "", "(deprecated) The TCP network address where the prometheus metrics endpoint will listen (example: `:8080`). The default is empty string, which means metrics endpoint is disabled. Only one of `--metrics-address` and `--http-endpoint` can be set.")
+	httpEndpoint         = flag.String("http-endpoint", "", "The TCP network address where the HTTP server for diagnostics, including metrics and leader election health check, will listen (example: `:8080`). The default is empty string, which means the server is disabled. Only one of `--metrics-address` and `--http-endpoint` can be set.")
+	metricsPath          = flag.String("metrics-path", "/metrics", "The HTTP path where prometheus metrics will be exposed. Default is `/metrics`.")
+	retryIntervalStart   = flag.Duration("retry-interval-start", time.Second, "Initial retry interval of failed volume snapshot creation or deletion. It doubles with each failure, up to retry-interval-max. Default is 1 second.")
+	retryIntervalMax     = flag.Duration("retry-interval-max", 5*time.Minute, "Maximum retry interval of failed volume snapshot creation or deletion. Default is 5 minutes.")
+	enableNodeDeployment = flag.Bool("node-deployment", false, "Enables deploying the sidecar controller together with a CSI driver on nodes to manage snapshots for node-local volumes.")
+	// TODO(xing-yang): Enable enableVolumeGroupSnapshots when the feature is fully implemented
+	// enableVolumeGroupSnapshots = flag.Bool("enable-volume-group-snapshots", false, "Enables the volume group snapshot feature, allowing the user to create snapshots of groups of volumes.")
 
 	groupSnapshotNamePrefix     = flag.String("groupsnapshot-name-prefix", "groupsnapshot", "Prefix to apply to the name of a created group snapshot")
 	groupSnapshotNameUUIDLength = flag.Int("groupsnapshot-name-uuid-length", -1, "Length in characters for the generated uuid of a created group snapshot. Defaults behavior is to NOT truncate.")
@@ -227,6 +228,9 @@ func main() {
 
 	snapShotter := snapshotter.NewSnapshotter(csiConn)
 	var groupSnapshotter group_snapshotter.GroupSnapshotter
+	// TODO(xing-yang): Remove the following line when the enableVolumeGroupSnapshots feature is enabled
+	bEnable := false
+	enableVolumeGroupSnapshots := &bEnable
 	if *enableVolumeGroupSnapshots {
 		supportsCreateVolumeGroupSnapshot, err := supportsGroupControllerCreateVolumeGroupSnapshot(ctx, csiConn)
 		if err != nil {

cmd/snapshot-controller/main.go

@@ -72,7 +72,8 @@ var (
 	retryIntervalMax              = flag.Duration("retry-interval-max", 5*time.Minute, "Maximum retry interval of failed volume snapshot creation or deletion. Default is 5 minutes.")
 	enableDistributedSnapshotting = flag.Bool("enable-distributed-snapshotting", false, "Enables each node to handle snapshotting for the local volumes created on that node")
 	preventVolumeModeConversion   = flag.Bool("prevent-volume-mode-conversion", false, "Prevents an unauthorised user from modifying the volume mode when creating a PVC from an existing VolumeSnapshot.")
-	enableVolumeGroupSnapshots    = flag.Bool("enable-volume-group-snapshots", false, "Enables the volume group snapshot feature, allowing the user to create snapshots of groups of volumes.")
+	// TODO(xing-yang): Enable enableVolumeGroupSnapshots when the feature is fully implemented
+	// enableVolumeGroupSnapshots    = flag.Bool("enable-volume-group-snapshots", false, "Enables the volume group snapshot feature, allowing the user to create snapshots of groups of volumes.")
 
 	retryCRDIntervalMax = flag.Duration("retry-crd-interval-max", 5*time.Second, "Maximum retry interval to wait for CRDs to appear. The default is 5 seconds.")
 )
@@ -188,6 +189,9 @@ func main() {
 
 	klog.V(2).Infof("Start NewCSISnapshotController with kubeconfig [%s] resyncPeriod [%+v]", *kubeconfig, *resyncPeriod)
 
+	// TODO(xing-yang): Remove the following lines when the enableVolumeGroupSnapshots feature is enabled
+	bEnable := false
+	enableVolumeGroupSnapshots := &bEnable
 	ctrl := controller.NewCSISnapshotCommonController(
 		snapClient,
 		kubeClient,