Admin UI: Add message queue to admin UI (#6958)

* add a menu item "Message Queue"

* add a menu item "Message Queue"
  * move the "brokers" link under it.
  * add "topics", "subscribers". Add pages for them.

* refactor

* show topic details

* admin display publisher and subscriber info

* remove publisher and subscribers from the topic row pull down

* collecting more stats from publishers and subscribers

* fix layout

* fix publisher name

* add local listeners for mq broker and agent

* render consumer group offsets

* remove subscribers from left menu

* topic with retention

* support editing topic retention

* show retention when listing topics

* create bucket

* Update s3_buckets_templ.go

* embed the static assets into the binary

fix https://github.com/seaweedfs/seaweedfs/issues/6964

weed/command/mq_broker.go

@@ -83,13 +83,30 @@ func (mqBrokerOpt *MessageQueueBrokerOptions) startQueueServer() bool {
 	}
 
 	// start grpc listener
-	grpcL, _, err := util.NewIpAndLocalListeners("", *mqBrokerOpt.port, 0)
+	grpcL, localL, err := util.NewIpAndLocalListeners("", *mqBrokerOpt.port, 0)
 	if err != nil {
 		glog.Fatalf("failed to listen on grpc port %d: %v", *mqBrokerOpt.port, err)
 	}
+
+	// Create main gRPC server
 	grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.msg_broker"))
 	mq_pb.RegisterSeaweedMessagingServer(grpcS, qs)
 	reflection.Register(grpcS)
+
+	// Start localhost listener if available
+	if localL != nil {
+		localGrpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.msg_broker"))
+		mq_pb.RegisterSeaweedMessagingServer(localGrpcS, qs)
+		reflection.Register(localGrpcS)
+		go func() {
+			glog.V(0).Infof("MQ Broker listening on localhost:%d", *mqBrokerOpt.port)
+			if err := localGrpcS.Serve(localL); err != nil {
+				glog.Errorf("MQ Broker localhost listener error: %v", err)
+			}
+		}()
+	}
+
+	glog.V(0).Infof("MQ Broker listening on %s:%d", *mqBrokerOpt.ip, *mqBrokerOpt.port)
 	grpcS.Serve(grpcL)
 
 	return true