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103 lines
2.9 KiB
103 lines
2.9 KiB
package command
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import (
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"context"
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"fmt"
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"strconv"
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"time"
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"google.golang.org/grpc/reflection"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/messaging/broker"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
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"github.com/chrislusf/seaweedfs/weed/security"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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var (
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messageBrokerStandaloneOptions QueueOptions
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)
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type QueueOptions struct {
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filer *string
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port *int
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}
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func init() {
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cmdMsgBroker.Run = runMsgBroker // break init cycle
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messageBrokerStandaloneOptions.filer = cmdMsgBroker.Flag.String("filer", "localhost:8888", "filer server address")
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messageBrokerStandaloneOptions.port = cmdMsgBroker.Flag.Int("port", 17777, "queue server gRPC listen port")
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}
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var cmdMsgBroker = &Command{
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UsageLine: "msg.broker [-port=17777] [-filer=<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 runMsgBroker(cmd *Command, args []string) bool {
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util.LoadConfiguration("security", false)
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return messageBrokerStandaloneOptions.startQueueServer()
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}
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func (msgBrokerOpt *QueueOptions) startQueueServer() bool {
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filerGrpcAddress, err := pb.ParseFilerGrpcAddress(*msgBrokerOpt.filer)
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if err != nil {
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glog.Fatal(err)
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return false
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}
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grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.msg_broker")
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cipher := false
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for {
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err = pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
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if err != nil {
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return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err)
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}
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cipher = resp.Cipher
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return nil
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})
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if err != nil {
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glog.V(0).Infof("wait to connect to filer %s grpc address %s", *msgBrokerOpt.filer, filerGrpcAddress)
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time.Sleep(time.Second)
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} else {
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glog.V(0).Infof("connected to filer %s grpc address %s", *msgBrokerOpt.filer, filerGrpcAddress)
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break
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}
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}
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qs, err := broker.NewMessageBroker(&broker.MessageBrokerOption{
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Filers: []string{*msgBrokerOpt.filer},
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DefaultReplication: "",
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MaxMB: 0,
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Port: *msgBrokerOpt.port,
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Cipher: cipher,
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}, grpcDialOption)
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// start grpc listener
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grpcL, err := util.NewListener(":"+strconv.Itoa(*msgBrokerOpt.port), 0)
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if err != nil {
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glog.Fatalf("failed to listen on grpc port %d: %v", *msgBrokerOpt.port, err)
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}
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grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.msg_broker"))
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messaging_pb.RegisterSeaweedMessagingServer(grpcS, qs)
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reflection.Register(grpcS)
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grpcS.Serve(grpcL)
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return true
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}
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