add grpc config into the bootstrap secret (#1194)

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

pkg/operator/helpers/chart/config.go

@@ -65,6 +65,10 @@ type KlusterletChartConfig struct {
 	// BootstrapHubKubeConfig should be the kubeConfig file of the hub cluster via setting --set-file=<the kubeConfig file of hub cluster> optional
 	BootstrapHubKubeConfig string `json:"bootstrapHubKubeConfig,omitempty"`
 
+	// GRPCConfig includes the information needed to build connect to gRPC server in the bootstrap secret for
+	// cluster importing via setting --set-file=<the grpc config file> optional.
+	GRPCConfig string `json:"grpcConfig,omitempty"`
+
 	// when MultipleHubs feature gate in klusterlet.registrationConfiguration is enabled, need to set multiple bootstrap hub kubeConfigs here.
 	MultiHubBootstrapHubKubeConfigs []BootStrapKubeConfig `json:"multiHubBootstrapHubKubeConfigs,omitempty"`
 
@@ -81,6 +85,7 @@ type BootStrapKubeConfig struct {
 	Name string `json:"name,omitempty"`
 	// the kubeConfig file of the hub cluster
 	KubeConfig string `json:"kubeConfig,omitempty"`
+	// TODO: add grpcConfig to support multiHubBootstrapHubKubeConfigs
 }
 
 type ImagesConfig struct {

pkg/operator/helpers/chart/render_test.go

@@ -411,6 +411,20 @@ func TestKlusterletConfig(t *testing.T) {
 			},
 			expectedObjCnt: 7,
 		},
+		{
+			name:      "create namespace with bootstrap secret and grpc config",
+			namespace: "open-cluster-management-agent",
+			chartConfig: func() *KlusterletChartConfig {
+				config := NewDefaultKlusterletChartConfig()
+				config.Klusterlet.ClusterName = "testCluster"
+				config.Klusterlet.Mode = operatorv1.InstallModeSingleton
+				config.CreateNamespace = true
+				config.BootstrapHubKubeConfig = "kubeconfig"
+				config.GRPCConfig = "grpcconfig"
+				return config
+			},
+			expectedObjCnt: 7,
+		},
 	}
 
 	for _, c := range cases {
@@ -569,6 +583,13 @@ func TestKlusterletConfig(t *testing.T) {
 						if base64.StdEncoding.EncodeToString(data) == "" {
 							t.Errorf("failed to render kubeconfig")
 						}
+
+						if config.GRPCConfig != "" {
+							grpcConfig := object.Data["config.yaml"]
+							if base64.StdEncoding.EncodeToString(grpcConfig) == "" {
+								t.Errorf("failed to render grpc config")
+							}
+						}
 					}
 				}
 			}