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114 lines
4.0 KiB
114 lines
4.0 KiB
package command
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import (
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"google.golang.org/grpc/reflection"
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"github.com/seaweedfs/seaweedfs/weed/util/grace"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/mq/broker"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
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"github.com/seaweedfs/seaweedfs/weed/security"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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var (
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mqBrokerStandaloneOptions MessageQueueBrokerOptions
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)
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type MessageQueueBrokerOptions struct {
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masters map[string]pb.ServerAddress
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mastersString *string
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filerGroup *string
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ip *string
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port *int
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dataCenter *string
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rack *string
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cpuprofile *string
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memprofile *string
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}
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func init() {
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cmdMqBroker.Run = runMqBroker // break init cycle
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mqBrokerStandaloneOptions.mastersString = cmdMqBroker.Flag.String("master", "localhost:9333", "comma-separated master servers")
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mqBrokerStandaloneOptions.filerGroup = cmdMqBroker.Flag.String("filerGroup", "", "share metadata with other filers in the same filerGroup")
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mqBrokerStandaloneOptions.ip = cmdMqBroker.Flag.String("ip", util.DetectedHostAddress(), "broker host address")
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mqBrokerStandaloneOptions.port = cmdMqBroker.Flag.Int("port", 17777, "broker gRPC listen port")
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mqBrokerStandaloneOptions.dataCenter = cmdMqBroker.Flag.String("dataCenter", "", "prefer to read and write to volumes in this data center")
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mqBrokerStandaloneOptions.rack = cmdMqBroker.Flag.String("rack", "", "prefer to write to volumes in this rack")
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mqBrokerStandaloneOptions.cpuprofile = cmdMqBroker.Flag.String("cpuprofile", "", "cpu profile output file")
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mqBrokerStandaloneOptions.memprofile = cmdMqBroker.Flag.String("memprofile", "", "memory profile output file")
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}
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var cmdMqBroker = &Command{
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UsageLine: "mq.broker [-port=17777] [-master=<ip:port>]",
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Short: "<WIP> start a message queue broker",
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Long: `start a message queue broker
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The broker can accept gRPC calls to write or read messages. The messages are stored via filer.
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The brokers are stateless. To scale up, just add more brokers.
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`,
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}
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func runMqBroker(cmd *Command, args []string) bool {
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util.LoadSecurityConfiguration()
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mqBrokerStandaloneOptions.masters = pb.ServerAddresses(*mqBrokerStandaloneOptions.mastersString).ToAddressMap()
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return mqBrokerStandaloneOptions.startQueueServer()
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}
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func (mqBrokerOpt *MessageQueueBrokerOptions) startQueueServer() bool {
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grace.SetupProfiling(*mqBrokerStandaloneOptions.cpuprofile, *mqBrokerStandaloneOptions.memprofile)
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grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.msg_broker")
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qs, err := broker.NewMessageBroker(&broker.MessageQueueBrokerOption{
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Masters: mqBrokerOpt.masters,
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FilerGroup: *mqBrokerOpt.filerGroup,
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DataCenter: *mqBrokerOpt.dataCenter,
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Rack: *mqBrokerOpt.rack,
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DefaultReplication: "",
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MaxMB: 0,
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Ip: *mqBrokerOpt.ip,
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Port: *mqBrokerOpt.port,
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}, grpcDialOption)
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if err != nil {
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glog.Fatalf("failed to create new message broker for queue server: %v", err)
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}
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// start grpc listener
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grpcL, localL, err := util.NewIpAndLocalListeners("", *mqBrokerOpt.port, 0)
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if err != nil {
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glog.Fatalf("failed to listen on grpc port %d: %v", *mqBrokerOpt.port, err)
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}
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// Create main gRPC server
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grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.msg_broker"))
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mq_pb.RegisterSeaweedMessagingServer(grpcS, qs)
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reflection.Register(grpcS)
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// Start localhost listener if available
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if localL != nil {
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localGrpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.msg_broker"))
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mq_pb.RegisterSeaweedMessagingServer(localGrpcS, qs)
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reflection.Register(localGrpcS)
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go func() {
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glog.V(0).Infof("MQ Broker listening on localhost:%d", *mqBrokerOpt.port)
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if err := localGrpcS.Serve(localL); err != nil {
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glog.Errorf("MQ Broker localhost listener error: %v", err)
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}
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}()
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}
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glog.V(0).Infof("MQ Broker listening on %s:%d", *mqBrokerOpt.ip, *mqBrokerOpt.port)
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grpcS.Serve(grpcL)
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return true
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}
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