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) }
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) }