Add etcd as a service discovery mechanism

internal/msggateway/hub_server.go

@@ -35,7 +35,7 @@ func (s *Server) InitServer(ctx context.Context, config *Config, disCov discover
 }
 
 func (s *Server) Start(ctx context.Context, index int, conf *Config) error {
-	return startrpc.Start(ctx, &conf.ZookeeperConfig, &conf.MsgGateway.Prometheus, conf.MsgGateway.ListenIP,
+	return startrpc.Start(ctx, &conf.Discovery, &conf.MsgGateway.Prometheus, conf.MsgGateway.ListenIP,
 		conf.MsgGateway.RPC.RegisterIP,
 		conf.MsgGateway.RPC.Ports, index,
 		conf.Share.RpcRegisterName.MessageGateway,

internal/msggateway/init.go

@@ -24,10 +24,10 @@ import (
 )
 
 type Config struct {
-	MsgGateway      config.MsgGateway
-	ZookeeperConfig config.ZooKeeper
-	Share           config.Share
-	WebhooksConfig  config.Webhooks
+	MsgGateway     config.MsgGateway
+	Share          config.Share
+	WebhooksConfig config.Webhooks
+	Discovery      config.Discovery
 }
 
 // Start run ws server.