cluster.ps can list brokers

weed/command/command.go

@@ -28,12 +28,12 @@ var Commands = []*Command{
 	cmdFilerSynchronize,
 	cmdFix,
 	cmdFuse,
+	cmdIam,
 	cmdMaster,
 	cmdMasterFollower,
 	cmdMount,
-	cmdS3,
-	cmdIam,
 	cmdMqBroker,
+	cmdS3,
 	cmdScaffold,
 	cmdServer,
 	cmdShell,

weed/command/mq_broker.go

@@ -23,6 +23,8 @@ var (
 )
 
 type MessageQueueBrokerOptions struct {
+	masters    *string
+	filerGroup *string
 	filer      *string
 	ip         *string
 	port       *int
@@ -32,7 +34,9 @@ type MessageQueueBrokerOptions struct {
 
 func init() {
 	cmdMqBroker.Run = runMqBroker // break init cycle
+	mqBrokerStandaloneOptions.masters = cmdMqBroker.Flag.String("master", "localhost:9333", "comma-separated master servers")
 	mqBrokerStandaloneOptions.filer = cmdMqBroker.Flag.String("filer", "localhost:8888", "filer server address")
+	mqBrokerStandaloneOptions.filerGroup = cmdMqBroker.Flag.String("filerGroup", "", "share metadata with other filers in the same filerGroup")
 	mqBrokerStandaloneOptions.ip = cmdMqBroker.Flag.String("ip", util.DetectedHostAddress(), "broker host address")
 	mqBrokerStandaloneOptions.port = cmdMqBroker.Flag.Int("port", 17777, "broker gRPC listen port")
 	mqBrokerStandaloneOptions.cpuprofile = cmdMqBroker.Flag.String("cpuprofile", "", "cpu profile output file")
@@ -85,7 +89,9 @@ func (mqBrokerOpt *MessageQueueBrokerOptions) startQueueServer() bool {
 		}
 	}
 
-	qs, err := broker.NewMessageBroker(&broker.MessageBrokerOption{
+	qs, err := broker.NewMessageBroker(&broker.MessageQueueBrokerOption{
+		Masters:            pb.ServerAddresses(*mqBrokerOpt.masters).ToAddressMap(),
+		FilerGroup:         *mqBrokerOpt.filerGroup,
 		Filers:             []pb.ServerAddress{filerAddress},
 		DefaultReplication: "",
 		MaxMB:              0,

weed/command/server.go

@@ -225,6 +225,7 @@ func runServer(cmd *Command, args []string) bool {
 	iamOptions.filer = &filerAddress
 	webdavOptions.filer = &filerAddress
 	mqBrokerOptions.filer = &filerAddress
+	mqBrokerOptions.filerGroup = filerOptions.filerGroup
 
 	go stats_collect.StartMetricsServer(*serverMetricsHttpPort)
 

weed/mq/broker/broker_grpc_server.go

@@ -9,11 +9,11 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/pb/mq_pb"
 )
 
-func (broker *MessageBroker) ConfigureTopic(c context.Context, request *mq_pb.ConfigureTopicRequest) (*mq_pb.ConfigureTopicResponse, error) {
+func (broker *MessageQueueBroker) ConfigureTopic(c context.Context, request *mq_pb.ConfigureTopicRequest) (*mq_pb.ConfigureTopicResponse, error) {
 	panic("implement me")
 }
 
-func (broker *MessageBroker) DeleteTopic(c context.Context, request *mq_pb.DeleteTopicRequest) (*mq_pb.DeleteTopicResponse, error) {
+func (broker *MessageQueueBroker) DeleteTopic(c context.Context, request *mq_pb.DeleteTopicRequest) (*mq_pb.DeleteTopicResponse, error) {
 	resp := &mq_pb.DeleteTopicResponse{}
 	dir, entry := genTopicDirEntry(request.Namespace, request.Topic)
 	if exists, err := filer_pb.Exists(broker, dir, entry, true); err != nil {
@@ -24,7 +24,7 @@ func (broker *MessageBroker) DeleteTopic(c context.Context, request *mq_pb.Delet
 	return resp, nil
 }
 
-func (broker *MessageBroker) GetTopicConfiguration(c context.Context, request *mq_pb.GetTopicConfigurationRequest) (*mq_pb.GetTopicConfigurationResponse, error) {
+func (broker *MessageQueueBroker) GetTopicConfiguration(c context.Context, request *mq_pb.GetTopicConfigurationRequest) (*mq_pb.GetTopicConfigurationResponse, error) {
 	panic("implement me")
 }
 

weed/mq/broker/broker_grpc_server_discovery.go

@@ -26,7 +26,7 @@ If one of the pub or sub connects very late, and the system topo changed quite a
 
 */
 
-func (broker *MessageBroker) FindBroker(c context.Context, request *mq_pb.FindBrokerRequest) (*mq_pb.FindBrokerResponse, error) {
+func (broker *MessageQueueBroker) FindBroker(c context.Context, request *mq_pb.FindBrokerRequest) (*mq_pb.FindBrokerResponse, error) {
 
 	t := &mq_pb.FindBrokerResponse{}
 	var peers []string
@@ -61,7 +61,7 @@ func (broker *MessageBroker) FindBroker(c context.Context, request *mq_pb.FindBr
 
 }
 
-func (broker *MessageBroker) checkFilers() {
+func (broker *MessageQueueBroker) checkFilers() {
 
 	// contact a filer about masters
 	var masters []pb.ServerAddress

weed/mq/broker/broker_grpc_server_publish.go

@@ -13,7 +13,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/pb/mq_pb"
 )
 
-func (broker *MessageBroker) Publish(stream mq_pb.SeaweedMessaging_PublishServer) error {
+func (broker *MessageQueueBroker) Publish(stream mq_pb.SeaweedMessaging_PublishServer) error {
 
 	// process initial request
 	in, err := stream.Recv()

weed/mq/broker/broker_server.go

@@ -2,7 +2,9 @@ package broker
 
 import (
 	"context"
+	"github.com/chrislusf/seaweedfs/weed/cluster"
 	"github.com/chrislusf/seaweedfs/weed/pb/mq_pb"
+	"github.com/chrislusf/seaweedfs/weed/wdclient"
 	"time"
 
 	"google.golang.org/grpc"
@@ -14,6 +16,8 @@ import (
 )
 
 type MessageQueueBrokerOption struct {
+	Masters            map[string]pb.ServerAddress
+	FilerGroup         string
 	Filers             []pb.ServerAddress
 	DefaultReplication string
 	MaxMB              int
@@ -26,23 +30,26 @@ type MessageQueueBroker struct {
 	mq_pb.UnimplementedSeaweedMessagingServer
 	option         *MessageQueueBrokerOption
 	grpcDialOption grpc.DialOption
+	MasterClient   *wdclient.MasterClient
 	topicManager   *TopicManager
 }
 
-func NewMessageBroker(option *MessageQueueBrokerOption, grpcDialOption grpc.DialOption) (messageBroker *MessageQueueBroker, err error) {
+func NewMessageBroker(option *MessageQueueBrokerOption, grpcDialOption grpc.DialOption) (mqBroker *MessageQueueBroker, err error) {
 
-	messageBroker = &MessageQueueBroker{
+	mqBroker = &MessageQueueBroker{
 		option:         option,
 		grpcDialOption: grpcDialOption,
+		MasterClient:   wdclient.NewMasterClient(grpcDialOption, option.FilerGroup, cluster.BrokerType, pb.NewServerAddress(option.Ip, option.Port, 0), "", option.Masters),
 	}
 
-	messageBroker.topicManager = NewTopicManager(messageBroker)
+	mqBroker.topicManager = NewTopicManager(mqBroker)
 
-	messageBroker.checkFilers()
+	mqBroker.checkFilers()
 
-	go messageBroker.keepConnectedToOneFiler()
+	go mqBroker.keepConnectedToOneFiler()
+	go mqBroker.MasterClient.KeepConnectedToMaster()
 
-	return messageBroker, nil
+	return mqBroker, nil
 }
 
 func (broker *MessageQueueBroker) keepConnectedToOneFiler() {

weed/shell/command_cluster_ps.go

@@ -40,7 +40,9 @@ func (c *commandClusterPs) Do(args []string, commandEnv *CommandEnv, writer io.W
 	}
 
 	var filerNodes []*master_pb.ListClusterNodesResponse_ClusterNode
+	var mqBrokerNodes []*master_pb.ListClusterNodesResponse_ClusterNode
 
+	// get the list of filers
 	err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
 		resp, err := client.ListClusterNodes(context.Background(), &master_pb.ListClusterNodesRequest{
 			ClientType: cluster.FilerType,
@@ -57,6 +59,30 @@ func (c *commandClusterPs) Do(args []string, commandEnv *CommandEnv, writer io.W
 		return
 	}
 
+	// get the list of message queue brokers
+	err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
+		resp, err := client.ListClusterNodes(context.Background(), &master_pb.ListClusterNodesRequest{
+			ClientType: cluster.BrokerType,
+			FilerGroup: *commandEnv.option.FilerGroup,
+		})
+		if err != nil {
+			return err
+		}
+
+		mqBrokerNodes = resp.ClusterNodes
+		return err
+	})
+	if err != nil {
+		return
+	}
+
+	if len(mqBrokerNodes) > 0 {
+		fmt.Fprintf(writer, "* message queue brokers %d\n", len(mqBrokerNodes))
+		for _, node := range mqBrokerNodes {
+			fmt.Fprintf(writer, "  * %s (%v)\n", node.Address, node.Version)
+		}
+	}
+
 	fmt.Fprintf(writer, "* filers %d\n", len(filerNodes))
 	for _, node := range filerNodes {
 		fmt.Fprintf(writer, "  * %s (%v)\n", node.Address, node.Version)