Example #1
0
//newEventsClientConnectionWithAddress Returns a new grpc.ClientConn to the configured local PEER.
func newEventsClientConnectionWithAddress(peerAddress string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption
	if peer.TLSEnabled() {
		var sn string
		if viper.GetString("peer.tls.serverhostoverride") != "" {
			sn = viper.GetString("peer.tls.serverhostoverride")
		}
		var creds credentials.TransportAuthenticator
		if viper.GetString("peer.tls.cert.file") != "" {
			var err error
			creds, err = credentials.NewClientTLSFromFile(viper.GetString("peer.tls.cert.file"), sn)
			if err != nil {
				grpclog.Fatalf("Failed to create TLS credentials %v", err)
			}
		} else {
			creds = credentials.NewClientTLSFromCert(nil, sn)
		}
		opts = append(opts, grpc.WithTransportCredentials(creds))
	}
	opts = append(opts, grpc.WithTimeout(defaultTimeout))
	opts = append(opts, grpc.WithBlock())
	opts = append(opts, grpc.WithInsecure())

	return grpc.Dial(peerAddress, opts...)
}
Example #2
0
func createEventHubServer() (net.Listener, *grpc.Server, error) {
	var lis net.Listener
	var grpcServer *grpc.Server
	var err error
	if peer.ValidatorEnabled() {
		lis, err = net.Listen("tcp", viper.GetString("peer.validator.events.address"))
		if err != nil {
			return nil, nil, fmt.Errorf("failed to listen: %v", err)
		}

		//TODO - do we need different SSL material for events ?
		var opts []grpc.ServerOption
		if peer.TLSEnabled() {
			creds, err := credentials.NewServerTLSFromFile(viper.GetString("peer.tls.cert.file"), viper.GetString("peer.tls.key.file"))
			if err != nil {
				return nil, nil, fmt.Errorf("Failed to generate credentials %v", err)
			}
			opts = []grpc.ServerOption{grpc.Creds(creds)}
		}

		grpcServer = grpc.NewServer(opts...)
		ehServer := producer.NewEventsServer(uint(viper.GetInt("peer.validator.events.buffersize")), viper.GetInt("peer.validator.events.timeout"))
		pb.RegisterEventsServer(grpcServer, ehServer)
	}
	return lis, grpcServer, err
}
Example #3
0
func serve(args []string) error {
	// Parameter overrides must be processed before any paramaters are
	// cached. Failures to cache cause the server to terminate immediately.
	if chaincodeDevMode {
		logger.Info("Running in chaincode development mode")
		logger.Info("Set consensus to NOOPS and user starts chaincode")
		logger.Info("Disable loading validity system chaincode")

		viper.Set("peer.validator.enabled", "true")
		viper.Set("peer.validator.consensus", "noops")
		viper.Set("chaincode.mode", chaincode.DevModeUserRunsChaincode)

		// Disable validity system chaincode in dev mode. Also if security is enabled,
		// in membersrvc.yaml, manually set pki.validity-period.update to false to prevent
		// membersrvc from calling validity system chaincode -- though no harm otherwise
		viper.Set("ledger.blockchain.deploy-system-chaincode", "false")
		viper.Set("validator.validity-period.verification", "false")
	}
	if err := peer.CacheConfiguration(); err != nil {
		return err
	}

	//register all system chaincodes. This just registers chaincodes, they must be
	//still be deployed and launched
	system_chaincode.RegisterSysCCs()
	peerEndpoint, err := peer.GetPeerEndpoint()
	if err != nil {
		err = fmt.Errorf("Failed to get Peer Endpoint: %s", err)
		return err
	}

	listenAddr := viper.GetString("peer.listenAddress")

	if "" == listenAddr {
		logger.Debug("Listen address not specified, using peer endpoint address")
		listenAddr = peerEndpoint.Address
	}

	lis, err := net.Listen("tcp", listenAddr)
	if err != nil {
		grpclog.Fatalf("Failed to listen: %v", err)
	}

	ehubLis, ehubGrpcServer, err := createEventHubServer()
	if err != nil {
		grpclog.Fatalf("Failed to create ehub server: %v", err)
	}

	logger.Info("Security enabled status: %t", core.SecurityEnabled())
	logger.Info("Privacy enabled status: %t", viper.GetBool("security.privacy"))

	var opts []grpc.ServerOption
	if peer.TLSEnabled() {
		creds, err := credentials.NewServerTLSFromFile(viper.GetString("peer.tls.cert.file"), viper.GetString("peer.tls.key.file"))
		if err != nil {
			grpclog.Fatalf("Failed to generate credentials %v", err)
		}
		opts = []grpc.ServerOption{grpc.Creds(creds)}
	}

	grpcServer := grpc.NewServer(opts...)

	secHelper, err := getSecHelper()
	if err != nil {
		return err
	}

	secHelperFunc := func() crypto.Peer {
		return secHelper
	}

	registerChaincodeSupport(chaincode.DefaultChain, grpcServer, secHelper)

	var peerServer *peer.PeerImpl

	//create the peerServer....
	if peer.ValidatorEnabled() {
		logger.Debug("Running as validating peer - making genesis block if needed")
		makeGenesisError := genesis.MakeGenesis()
		if makeGenesisError != nil {
			return makeGenesisError
		}
		logger.Debug("Running as validating peer - installing consensus %s", viper.GetString("peer.validator.consensus"))
		peerServer, err = peer.NewPeerWithEngine(secHelperFunc, helper.GetEngine)
	} else {
		logger.Debug("Running as non-validating peer")
		peerServer, err = peer.NewPeerWithHandler(secHelperFunc, peer.NewPeerHandler)
	}

	if err != nil {
		logger.Fatalf("Failed creating new peer with handler %v", err)

		return err
	}

	// Register the Peer server
	//pb.RegisterPeerServer(grpcServer, openchain.NewPeer())
	pb.RegisterPeerServer(grpcServer, peerServer)

	// Register the Admin server
	pb.RegisterAdminServer(grpcServer, core.NewAdminServer())

	// Register Devops server
	serverDevops := core.NewDevopsServer(peerServer)
	pb.RegisterDevopsServer(grpcServer, serverDevops)

	// Register the ServerOpenchain server
	serverOpenchain, err := rest.NewOpenchainServerWithPeerInfo(peerServer)
	if err != nil {
		err = fmt.Errorf("Error creating OpenchainServer: %s", err)
		return err
	}

	pb.RegisterOpenchainServer(grpcServer, serverOpenchain)

	// Create and register the REST service if configured
	if viper.GetBool("rest.enabled") {
		go rest.StartOpenchainRESTServer(serverOpenchain, serverDevops)
	}

	rootNode, err := core.GetRootNode()
	if err != nil {
		grpclog.Fatalf("Failed to get peer.discovery.rootnode valey: %s", err)
	}

	logger.Info("Starting peer with id=%s, network id=%s, address=%s, discovery.rootnode=%s, validator=%v",
		peerEndpoint.ID, viper.GetString("peer.networkId"),
		peerEndpoint.Address, rootNode, peer.ValidatorEnabled())

	// Start the grpc server. Done in a goroutine so we can deploy the
	// genesis block if needed.
	serve := make(chan error)
	go func() {
		var grpcErr error
		if grpcErr = grpcServer.Serve(lis); grpcErr != nil {
			grpcErr = fmt.Errorf("grpc server exited with error: %s", grpcErr)
		} else {
			logger.Info("grpc server exited")
		}
		serve <- grpcErr
	}()

	if err := writePid(viper.GetString("peer.fileSystemPath")+"/peer.pid", os.Getpid()); err != nil {
		return err
	}

	//start the event hub server
	if ehubGrpcServer != nil && ehubLis != nil {
		go ehubGrpcServer.Serve(ehubLis)
	}

	if viper.GetBool("peer.profile.enabled") {
		go func() {
			profileListenAddress := viper.GetString("peer.profile.listenAddress")
			logger.Info(fmt.Sprintf("Starting profiling server with listenAddress = %s", profileListenAddress))
			if profileErr := http.ListenAndServe(profileListenAddress, nil); profileErr != nil {
				logger.Error("Error starting profiler: %s", profileErr)
			}
		}()
	}

	// Block until grpc server exits
	return <-serve
}