//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...)
}
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
}
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
}