[ISSUE#8405] Fix istio module cycle dependency problem. (#8440)

* Get ResourceManager when runtime to resolve cycle dependence temp.

* Fix Ut problem.

* Rollback changes for ClusterControllerTest

* Fix UT problem.

istio/src/main/java/com/alibaba/nacos/istio/common/EventProcessor.java

@@ -20,6 +20,7 @@
 import com.alibaba.nacos.istio.misc.Loggers;
 import com.alibaba.nacos.istio.util.IstioExecutor;
 import com.alibaba.nacos.istio.xds.NacosXdsService;
+import com.alibaba.nacos.sys.utils.ApplicationUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -31,6 +32,8 @@
 import java.util.concurrent.TimeUnit;
 
 /**
+ * EventProcessor.
+ *
  * @author special.fy
  */
 @Component
@@ -44,15 +47,19 @@ public class EventProcessor {
     @Autowired
     private NacosXdsService nacosXdsService;
 
-    @Autowired
     private NacosResourceManager resourceManager;
 
     private final BlockingQueue<Event> events;
 
     public EventProcessor() {
         events = new ArrayBlockingQueue<>(20);
     }
-
+
+    /**
+     * notify.
+     *
+     * @param event event
+     */
     public void notify(Event event) {
         try {
             events.put(event);
@@ -121,6 +128,9 @@ private class EventHandleTask implements Callable<Void> {
 
         @Override
         public Void call() throws Exception {
+            if (null == resourceManager) {
+                resourceManager = ApplicationUtils.getBean(NacosResourceManager.class);
+            }
             ResourceSnapshot snapshot = resourceManager.createResourceSnapshot();
             nacosXdsService.handleEvent(snapshot, event);
             nacosMcpService.handleEvent(snapshot, event);

naming/src/test/java/com/alibaba/nacos/naming/core/v2/upgrade/UpgradeJudgementTest.java

@@ -28,6 +28,7 @@
 import com.alibaba.nacos.naming.core.ServiceManager;
 import com.alibaba.nacos.naming.core.v2.index.ServiceStorage;
 import com.alibaba.nacos.naming.core.v2.upgrade.doublewrite.delay.DoubleWriteDelayTaskEngine;
+import com.alibaba.nacos.naming.monitor.MetricsMonitor;
 import com.alibaba.nacos.sys.env.Constants;
 import com.alibaba.nacos.sys.env.EnvUtil;
 import com.alibaba.nacos.sys.utils.ApplicationUtils;
@@ -98,6 +99,8 @@ public void setUp() throws Exception {
         upgradeJudgement = new UpgradeJudgement(raftPeerSet, raftCore, versionJudgement, memberManager, serviceManager,
                 upgradeStates, doubleWriteDelayTaskEngine);
         NotifyCenter.deregisterSubscriber(upgradeJudgement);
+        MetricsMonitor.getIpCountMonitor().set(0);
+        MetricsMonitor.getDomCountMonitor().set(0);
     }
 
     @After