feat : support mcp server auto discovery for nacos registry (#2122)

Co-authored-by: 澄潭 <zty98751@alibaba-inc.com>

pkg/ingress/kube/configmap/controller.go

@@ -18,6 +18,7 @@ import (
 	"reflect"
 	"sync/atomic"
 
+	"github.com/alibaba/higress/registry/reconcile"
 	"istio.io/istio/pilot/pkg/model"
 	"istio.io/istio/pkg/cluster"
 	"istio.io/istio/pkg/config"
@@ -58,6 +59,7 @@ type ItemController interface {
 	ValidHigressConfig(higressConfig *HigressConfig) error
 	ConstructEnvoyFilters() ([]*config.Config, error)
 	RegisterItemEventHandler(eventHandler ItemEventHandler)
+	RegisterMcpReconciler(reconciler *reconcile.Reconciler)
 }
 
 type ConfigmapMgr struct {
@@ -111,6 +113,12 @@ func (c *ConfigmapMgr) GetHigressConfig() *HigressConfig {
 	return nil
 }
 
+func (c *ConfigmapMgr) SetMcpReconciler(reconciler *reconcile.Reconciler) {
+	for _, itemController := range c.ItemControllers {
+		itemController.RegisterMcpReconciler(reconciler)
+	}
+}
+
 func (c *ConfigmapMgr) AddItemControllers(controllers ...ItemController) {
 	c.ItemControllers = append(c.ItemControllers, controllers...)
 }