Only show joined msg when auto approval enabled

Signed-off-by: Wei Liu <[email protected]>

pkg/cmd/init/scenario/init/bootstrap_cluster_role.yaml

@@ -34,4 +34,9 @@ rules:
   - "managedclustersets/join"
   verbs: 
   - "create"
-
+- apiGroups:
+  - operator.open-cluster-management.io
+  resources:
+  - clustermanagers
+  verbs:
+  - get

pkg/cmd/join/exec.go

@@ -202,6 +202,32 @@ func (o *Options) complete(cmd *cobra.Command, args []string) (err error) {
 		return err
 	}
 
+	// check if the ManagedClusterAutoApproval is enabled
+	restHubConfig, err := helpers.CreateRESTConfigFromClientcmdapiv1Config(*o.HubConfig)
+	if err != nil {
+		return err
+	}
+
+	operatorClient, err := operatorclient.NewForConfig(restHubConfig)
+	if err != nil {
+		return err
+	}
+
+	clusterManager, err := operatorClient.OperatorV1().ClusterManagers().Get(context.Background(), "cluster-manager", metav1.GetOptions{})
+	if err != nil {
+		return err
+	}
+
+	registrationConfiguration := clusterManager.Spec.RegistrationConfiguration
+	if registrationConfiguration != nil {
+		for _, feature := range registrationConfiguration.FeatureGates {
+			if feature.Feature == string(ocmfeature.ManagedClusterAutoApproval) {
+				o.autoApprovalEnabled = true
+				break
+			}
+		}
+	}
+
 	// get managed cluster externalServerURL
 	var kubeClient *kubernetes.Clientset
 	switch o.mode {
@@ -355,6 +381,11 @@ func (o *Options) run() error {
 		}
 	}
 
+	if o.autoApprovalEnabled {
+		fmt.Fprintf(o.Streams.Out, "\n Your managed cluster %s has joined the Hub. Visit https://open-cluster-management.io/scenarios or https://github.com/open-cluster-management-io/OCM/tree/main/solutions for next steps.\n", o.values.ClusterName)
+		return nil
+	}
+
 	fmt.Fprintf(o.Streams.Out, "Please log onto the hub cluster and run the following command:\n\n"+
 		"    %s accept --clusters %s\n\n", helpers.GetExampleHeader(), o.values.ClusterName)
 	return nil

pkg/cmd/join/options.go

@@ -85,6 +85,8 @@ type Options struct {
 
 	// enableSyncLabels is to enable the feature which can sync the labels from klusterlet to all agent resources.
 	enableSyncLabels bool
+
+	autoApprovalEnabled bool
 }
 
 func newOptions(clusteradmFlags *genericclioptionsclusteradm.ClusteradmFlags, streams genericclioptions.IOStreams) *Options {