Set rpc dial timeout to 5s

weed/server/volume_grpc_client_to_master.go

@@ -40,7 +40,7 @@ func (vs *VolumeServer) doHeartbeat(masterNode string, sleepInterval time.Durati
 
 	grpcConection, err := util.GrpcDial(masterNode)
 	if err != nil {
-		return "", fmt.Errorf("fail to dial: %v", err)
+		return "", fmt.Errorf("fail to dial %s : %v", masterNode, err)
 	}
 	defer grpcConection.Close()
 

weed/util/grpc_client_server.go

@@ -25,7 +25,8 @@ func NewGrpcServer() *grpc.Server {
 }
 
 func GrpcDial(address string, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
-
+	opts = append(opts, grpc.WithBlock())
+	opts = append(opts, grpc.WithTimeout(time.Duration(5*time.Second)))
 	opts = append(opts, grpc.WithInsecure())
 	opts = append(opts, grpc.WithKeepaliveParams(keepalive.ClientParameters{
 		Time:    30 * time.Second, // client ping server if no activity for this long