add server configuration for clusterManager helm chart (#1239)

Signed-off-by: Zhiwei Yin <zyin@redhat.com>

Author: zhiweiyin318

deploy/cluster-manager/chart/cluster-manager/templates/cluster_manager.yaml

@@ -41,4 +41,8 @@ spec:
   addOnManagerConfiguration:
     {{- toYaml . | nindent 4 }}
   {{- end }}
+  {{- with .Values.clusterManager.serverConfiguration }}
+  serverConfiguration:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
 {{- end }}

deploy/cluster-manager/chart/cluster-manager/values.yaml

@@ -113,9 +113,20 @@ clusterManager:
       mode: Enable
     registrationDrivers:
     - authType: csr
+#   - authType: grpc
+#   grpc:
+#     autoApprovedIdentities:
+#     - system:serviceaccount:open-cluster-management:agent-registration-bootstrap
   workConfiguration:
     workDriver: kube
   addOnManagerConfiguration: {}
 #   featureGates:
 #     - feature: ""
 #       mode: ""
+# serverConfiguration:
+#   endpointsExposure:
+#   - protocol: grpc
+#     grpc:
+#       type: hostname
+#       hostname:
+#         host: grpc-server-open-cluster-management-hub.apps.server-foundation-sno-lite-w8rlq.dev04.red-chesterfield.com

pkg/operator/helpers/chart/config.go

@@ -141,6 +141,10 @@ type ClusterManagerConfig struct {
 	// +optional
 	AddOnManagerConfiguration operatorv1.AddOnManagerConfiguration `json:"addOnManagerConfiguration,omitempty"`
 
+	// ServerConfiguration contains the configuration of http/grpc server.
+	// +optional
+	ServerConfiguration operatorv1.ServerConfiguration `json:"serverConfiguration,omitempty"`
+
 	// ResourceRequirement specify QoS classes of deployments managed by clustermanager.
 	// It applies to all the containers in the deployments.
 	// +optional

pkg/operator/helpers/chart/render_test.go

@@ -121,6 +121,36 @@ func TestClusterManagerConfig(t *testing.T) {
 			},
 			expectedObjCnt: 9,
 		},
+		{
+			name:      "enable grpc ",
+			namespace: "multicluster-engine",
+			chartConfig: func() *ClusterManagerChartConfig {
+				config := NewDefaultClusterManagerChartConfig()
+				config.CreateBootstrapSA = true
+				config.ClusterManager.RegistrationConfiguration.RegistrationDrivers = append(
+					config.ClusterManager.RegistrationConfiguration.RegistrationDrivers, operatorv1.RegistrationDriverHub{
+						AuthType: "grpc",
+						GRPC:     &operatorv1.GRPCRegistrationConfig{AutoApprovedIdentities: []string{"user:test"}},
+					})
+
+				config.ClusterManager.ServerConfiguration = operatorv1.ServerConfiguration{
+					EndpointsExposure: []operatorv1.EndpointExposure{
+						{
+							Usage:    "",
+							Protocol: "grpc",
+							GRPC: &operatorv1.Endpoint{
+								Type: "hostname",
+								Hostname: &operatorv1.HostnameConfig{
+									Host: "host.com",
+								},
+							},
+						},
+					},
+				}
+				return config
+			},
+			expectedObjCnt: 8,
+		},
 	}
 
 	for _, c := range cases {
@@ -202,6 +232,14 @@ func TestClusterManagerConfig(t *testing.T) {
 							t.Errorf("failed to render auto approve users")
 						}
 					}
+					registrationDrivers := config.ClusterManager.RegistrationConfiguration.RegistrationDrivers
+					for _, driver := range registrationDrivers {
+						if driver.AuthType == operatorv1.GRPCAuthType {
+							if len(config.ClusterManager.ServerConfiguration.EndpointsExposure) == 0 {
+								t.Errorf("failed to render serverConfiguration")
+							}
+						}
+					}
 				case *corev1.Secret:
 					switch object.Name {
 					case "open-cluster-management-image-pull-credentials":