Exemple #1
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)

	}

	if err := peer.CacheConfiguration(); err != nil {
		return err
	}

	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.Infof("Security enabled status: %t", core.SecurityEnabled())
	if viper.GetBool("security.privacy") {
		if core.SecurityEnabled() {
			logger.Infof("Privacy enabled status: true")
		} else {
			panic(errors.New("Privacy cannot be enabled as requested because security is disabled"))
		}
	} else {
		logger.Infof("Privacy enabled status: false")
	}

	var opts []grpc.ServerOption
	if comm.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...)

	registerChaincodeSupport(grpcServer)

	logger.Debugf("Running peer")

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

	// Register the Endorser server
	serverEndorser := endorser.NewEndorserServer()
	pb.RegisterEndorserServer(grpcServer, serverEndorser)

	// Initialize gossip component
	bootstrap := viper.GetStringSlice("peer.gossip.bootstrap")
	service.InitGossipService(peerEndpoint.Address, grpcServer, bootstrap...)
	defer service.GetGossipService().Stop()

	//initialize the env for chainless startup
	initChainless()

	// Begin startup of default chain
	if peerDefaultChain {
		chainID := util.GetTestChainID()

		block, err := pbutils.MakeConfigurationBlock(chainID)
		if nil != err {
			panic(fmt.Sprintf("Unable to create genesis block for [%s] due to [%s]", chainID, err))
		}

		//this creates block and calls JoinChannel on gossip service
		if err = peer.CreateChainFromBlock(block); err != nil {
			panic(fmt.Sprintf("Unable to create chain block for [%s] due to [%s]", chainID, err))
		}

		chaincode.DeploySysCCs(chainID)
		logger.Infof("Deployed system chaincodes on %s", chainID)

		commit := peer.GetCommitter(chainID)
		if commit == nil {
			panic(fmt.Sprintf("Unable to get committer for [%s]", chainID))
		}

		//this shoul not need the chainID. Delivery should be
		//split up into network part and chain part. This should
		//only init the network part...TBD, part of Join work
		deliverService := noopssinglechain.NewDeliverService(chainID)

		deliverService.Start(commit)

		defer noopssinglechain.StopDeliveryService(deliverService)
	}

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

	// Start the grpc server. Done in a goroutine so we can deploy the
	// genesis block if needed.
	serve := make(chan error)

	sigs := make(chan os.Signal, 1)
	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
	go func() {
		sig := <-sigs
		fmt.Println()
		fmt.Println(sig)
		serve <- nil
	}()

	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.Infof("Starting profiling server with listenAddress = %s", profileListenAddress)
			if profileErr := http.ListenAndServe(profileListenAddress, nil); profileErr != nil {
				logger.Errorf("Error starting profiler: %s", profileErr)
			}
		}()
	}

	// sets the logging level for the 'error' module to the default value from
	// core.yaml. it can also be updated dynamically using
	// "peer logging setlevel error <log-level>"
	common.SetErrorLoggingLevel()

	// Block until grpc server exits
	return <-serve
}
Exemple #2
0
)

const loggingFuncName = "logging"

var logger = logging.MustGetLogger("loggingCmd")

// Cmd returns the cobra command for Logging
func Cmd() *cobra.Command {
	loggingCmd.AddCommand(getLevelCmd())
	loggingCmd.AddCommand(setLevelCmd())

	return loggingCmd
}

var loggingCmd = &cobra.Command{
	Use: loggingFuncName,
	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
		// initialize the log level for the "error" module to the value of
		// logging.error in core.yaml. this is necessary to ensure that these
		// logging CLI commands, which execute outside of the peer, can
		// automatically append the stack trace to the error message (if set to
		// debug).
		// note: for code running on the peer, this level is set during peer startup
		// in peer/node/start.go and can be updated dynamically using
		// "peer logging setlevel error <log-level>"
		return common.SetErrorLoggingLevel()
	},
	Short: fmt.Sprintf("%s specific commands.", loggingFuncName),
	Long:  fmt.Sprintf("%s specific commands.", loggingFuncName),
}