When the service source type is nacos3, if mcpserver is turned off, then the discovery mechanism of nacos2 will be enabled (#2150)

registry/nacos/mcpserver/watcher.go

@@ -111,9 +111,10 @@ func NewWatcher(cache memory.Cache, opts ...WatcherOption) (provider.Watcher, er
 		opt(w)
 	}
 
-	if w.NacosNamespace == "" {
+	// The nacos mcp server uses these restricted namespaces and groups, and may be adjusted in the future.
-		w.NacosNamespace = w.NacosNamespaceId
+	w.NacosNamespace = "nacos-default-mcp"
-	}
+	w.NacosNamespaceId = w.NacosNamespace
+	w.NacosGroups = []string{"mcp-server"}
 
 	mcpServerLog.Infof("new nacos mcp server watcher with config Name:%s", w.Name)
 
@@ -177,32 +178,6 @@ func WithNacosSecretKey(nacosSecretKey string) WatcherOption {
 	}
 }
 
-func WithNacosNamespaceId(nacosNamespaceId string) WatcherOption {
-	return func(w *watcher) {
-		if nacosNamespaceId == "" {
-			w.NacosNamespaceId = "nacos-default-mcp"
-		} else {
-			w.NacosNamespaceId = nacosNamespaceId
-		}
-	}
-}
-
-func WithNacosNamespace(nacosNamespace string) WatcherOption {
-	return func(w *watcher) {
-		w.NacosNamespace = nacosNamespace
-	}
-}
-
-func WithNacosGroups(nacosGroups []string) WatcherOption {
-	return func(w *watcher) {
-		if len(nacosGroups) == 0 {
-			w.NacosGroups = []string{"mcp-server"}
-		} else {
-			w.NacosGroups = nacosGroups
-		}
-	}
-}
-
 func WithNacosRefreshInterval(refreshInterval int64) WatcherOption {
 	return func(w *watcher) {
 		if refreshInterval < int64(DefaultRefreshIntervalLimit) {
@@ -967,7 +942,8 @@ func (w *watcher) Stop() {
 	}
 	mcpServerLog.Infof("stop all service nameing client")
 	for _, client := range w.serviceCache {
-		client.Stop()
+		// TODO: This is a temporary implementation because of a bug in the nacos-go-sdk, which causes a block when stoping.
+		go client.Stop()
 	}
 
 	w.isStop = true

registry/reconcile/reconcile.go

@@ -187,6 +187,7 @@ func (r *Reconciler) generateWatcherFromRegistryConfig(registry *apiv1.RegistryC
 			nacosv2.WithAuthOption(authOption),
 		)
 	case string(Nacos3):
+		if registry.EnableMCPServer.GetValue() {
 			watcher, err = mcpserver.NewWatcher(
 				r.Cache,
 				mcpserver.WithType(registry.Type),
@@ -196,9 +197,6 @@ func (r *Reconciler) generateWatcherFromRegistryConfig(registry *apiv1.RegistryC
 				mcpserver.WithPort(registry.Port),
 				mcpserver.WithNacosAccessKey(registry.NacosAccessKey),
 				mcpserver.WithNacosSecretKey(registry.NacosSecretKey),
-			mcpserver.WithNacosNamespaceId(registry.NacosNamespaceId),
-			mcpserver.WithNacosNamespace(registry.NacosNamespace),
-			mcpserver.WithNacosGroups(registry.NacosGroups),
 				mcpserver.WithNacosRefreshInterval(registry.NacosRefreshInterval),
 				mcpserver.WithMcpExportDomains(registry.McpServerExportDomains),
 				mcpserver.WithMcpBaseUrl(registry.McpServerBaseUrl),
@@ -206,6 +204,23 @@ func (r *Reconciler) generateWatcherFromRegistryConfig(registry *apiv1.RegistryC
 				mcpserver.WithClusterId(r.clusterId),
 				mcpserver.WithNamespace(r.namespace),
 			)
+		} else {
+			watcher, err = nacosv2.NewWatcher(
+				r.Cache,
+				nacosv2.WithType(registry.Type),
+				nacosv2.WithName(registry.Name),
+				nacosv2.WithNacosAddressServer(registry.NacosAddressServer),
+				nacosv2.WithDomain(registry.Domain),
+				nacosv2.WithPort(registry.Port),
+				nacosv2.WithNacosAccessKey(registry.NacosAccessKey),
+				nacosv2.WithNacosSecretKey(registry.NacosSecretKey),
+				nacosv2.WithNacosNamespaceId(registry.NacosNamespaceId),
+				nacosv2.WithNacosNamespace(registry.NacosNamespace),
+				nacosv2.WithNacosGroups(registry.NacosGroups),
+				nacosv2.WithNacosRefreshInterval(registry.NacosRefreshInterval),
+				nacosv2.WithAuthOption(authOption),
+			)
+		}
 	case string(Zookeeper):
 		watcher, err = zookeeper.NewWatcher(
 			r.Cache,