Example #1
0
func startGRPCProxy(cmd *cobra.Command, args []string) {
	l, err := net.Listen("tcp", grpcProxyListenAddr)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	cfg, err := newClientCfg()
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	client, err := clientv3.New(*cfg)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	kvp := grpcproxy.NewKvProxy(client)
	watchp := grpcproxy.NewWatchProxy(client)
	clusterp := grpcproxy.NewClusterProxy(client)
	leasep := grpcproxy.NewLeaseProxy(client)
	mainp := grpcproxy.NewMaintenanceProxy(client)
	authp := grpcproxy.NewAuthProxy(client)

	server := grpc.NewServer()
	pb.RegisterKVServer(server, kvp)
	pb.RegisterWatchServer(server, watchp)
	pb.RegisterClusterServer(server, clusterp)
	pb.RegisterLeaseServer(server, leasep)
	pb.RegisterMaintenanceServer(server, mainp)
	pb.RegisterAuthServer(server, authp)

	server.Serve(l)
}
Example #2
0
func startGRPCProxy(cmd *cobra.Command, args []string) {
	l, err := net.Listen("tcp", grpcProxyListenAddr)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
	if l, err = transport.NewKeepAliveListener(l, "tcp", nil); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
	plog.Infof("listening for grpc-proxy client requests on %s", grpcProxyListenAddr)
	defer func() {
		l.Close()
		plog.Infof("stopping listening for grpc-proxy client requests on %s", grpcProxyListenAddr)
	}()
	m := cmux.New(l)

	cfg, err := newClientCfg()
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	client, err := clientv3.New(*cfg)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	kvp := grpcproxy.NewKvProxy(client)
	watchp := grpcproxy.NewWatchProxy(client)
	clusterp := grpcproxy.NewClusterProxy(client)
	leasep := grpcproxy.NewLeaseProxy(client)
	mainp := grpcproxy.NewMaintenanceProxy(client)
	authp := grpcproxy.NewAuthProxy(client)

	server := grpc.NewServer(
		grpc.StreamInterceptor(grpc_prometheus.StreamServerInterceptor),
		grpc.UnaryInterceptor(grpc_prometheus.UnaryServerInterceptor),
	)
	pb.RegisterKVServer(server, kvp)
	pb.RegisterWatchServer(server, watchp)
	pb.RegisterClusterServer(server, clusterp)
	pb.RegisterLeaseServer(server, leasep)
	pb.RegisterMaintenanceServer(server, mainp)
	pb.RegisterAuthServer(server, authp)

	errc := make(chan error)

	grpcl := m.Match(cmux.HTTP2())
	go func() { errc <- server.Serve(grpcl) }()

	httpmux := http.NewServeMux()
	httpmux.HandleFunc("/", http.NotFound)
	httpmux.Handle("/metrics", prometheus.Handler())
	srvhttp := &http.Server{
		Handler: httpmux,
	}

	var httpl net.Listener
	if cfg.TLS != nil {
		srvhttp.TLSConfig = cfg.TLS
		httpl = tls.NewListener(m.Match(cmux.Any()), cfg.TLS)
	} else {
		httpl = m.Match(cmux.HTTP1())
	}
	go func() { errc <- srvhttp.Serve(httpl) }()

	go func() { errc <- m.Serve() }()

	fmt.Fprintln(os.Stderr, <-errc)
	os.Exit(1)
}