optimize: optimize the initialization logic for server meta

changes/en-us/2.x.md

@@ -73,6 +73,7 @@ Add changes here for all PR submitted to the 2.x branch.
 - [[#6787](https://github.com/apache/incubator-seata/pull/6787)] upgrade elliptic to 6.5.7
 - [[#6783](https://github.com/apache/incubator-seata/pull/6783)] rename the server naming/v1 api to vgroup/v1
 - [[#6793](https://github.com/apache/incubator-seata/pull/6793)] fix npmjs conflicts
+- [[#6793](https://github.com/apache/incubator-seata/pull/6795)] optimize the initialization logic for server meta
 - [[#6794](https://github.com/apache/incubator-seata/pull/6794)] optimize NacosMockTest UT case
 
 

changes/zh-cn/2.x.md

@@ -75,6 +75,7 @@
 - [[#6783](https://github.com/apache/incubator-seata/pull/6783)] 将server事务分组修改接口改为/vgroup/v1
 - [[#6793](https://github.com/apache/incubator-seata/pull/6793)] 修复 npmjs 依赖冲突问题
 - [[#6794](https://github.com/apache/incubator-seata/pull/6794)] 优化 NacosMockTest 单测问题
+- [[#6793](https://github.com/apache/incubator-seata/pull/6795)] 独立server的meta信息初始化逻辑
 
 
 ### refactor:

common/src/main/java/org/apache/seata/common/metadata/Node.java

@@ -16,6 +16,9 @@
  */
 package org.apache.seata.common.metadata;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
@@ -121,28 +124,12 @@ public boolean equals(Object o) {
 
 
     // convert to String
-    public String toJsonString() {
-        StringBuilder sb = new StringBuilder();
-        sb.append("{");
-        sb.append("\"controlEndpoint\": ").append(control.toString()).append(", ");
-        sb.append("\"transactionEndpoint\": ").append(transaction.toString()).append(", ");
-        sb.append("\"weight\": ").append(weight).append(", ");
-        sb.append("\"healthy\": ").append(healthy).append(", ");
-        sb.append("\"timeStamp\": ").append(timeStamp).append(", ");
-        sb.append("\"metadata\": {");
-
-        // handle metadata k-v map
-        int i = 0;
-        for (Map.Entry<String, Object> entry : metadata.entrySet()) {
-            if (i > 0) {
-                sb.append(", ");
-            }
-            sb.append("\"").append(entry.getKey()).append("\": \"").append(entry.getValue()).append("\"");
-            i++;
+    public String toJsonString(ObjectMapper objectMapper) {
+        try {
+            return objectMapper.writeValueAsString(this);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
         }
-
-        sb.append("}}");
-        return sb.toString();
     }
 
     public static class Endpoint {

common/src/main/java/org/apache/seata/common/metadata/namingserver/Instance.java

@@ -42,7 +42,6 @@ public class Instance {
     private ClusterRole role = ClusterRole.MEMBER;
     private Map<String, Object> metadata = new HashMap<>();
 
-
     private Instance() {
     }
 
@@ -162,9 +161,7 @@ public boolean equals(Object o) {
     }
 
 
-    // Recursively convert metadata to JSON
-    public String toJsonString() {
-        ObjectMapper objectMapper = new ObjectMapper();
+    public String toJsonString(ObjectMapper objectMapper) {
         try {
             return objectMapper.writeValueAsString(this);
         } catch (JsonProcessingException e) {

common/src/main/java/org/apache/seata/common/metadata/namingserver/NamingServerNode.java

@@ -16,8 +16,6 @@
  */
 package org.apache.seata.common.metadata.namingserver;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.seata.common.metadata.Node;
 
 import java.util.Objects;
@@ -85,16 +83,6 @@ public boolean isChanged(Object obj) {
         return otherNode.term > term;
     }
 
-    // convert to String
-    public String toJsonString() {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.writeValueAsString(this);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
     public void setWeight(double weight) {
         this.weight = weight;
     }

common/src/test/java/org/apache/seata/common/metadata/namingserver/InstanceTest.java

@@ -27,6 +27,7 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 class InstanceTest {
+    private final ObjectMapper objectMapper = new ObjectMapper();
 
     @Test
     void toJsonString() throws JsonProcessingException {
@@ -39,7 +40,6 @@ void toJsonString() throws JsonProcessingException {
         instance.setMetadata(map);
         instance.setControl(new Node.Endpoint("1.1.1.1",888));
         instance.setTransaction(new Node.Endpoint("2.2.2.2",999));
-        System.out.println(instance.toJsonString());
-        assertEquals(instance.toJsonString(),objectMapper.writeValueAsString(instance));
+        assertEquals(instance.toJsonString(objectMapper),objectMapper.writeValueAsString(instance));
     }
 }

common/src/test/java/org/apache/seata/common/metadata/namingserver/NamingServerNodeTest.java

@@ -28,6 +28,7 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 class NamingServerNodeTest {
+    private ObjectMapper objectMapper = new ObjectMapper();
 
     @Test
     void toJsonString() throws JsonProcessingException {
@@ -39,8 +40,7 @@ void toJsonString() throws JsonProcessingException {
         node.setGroup("group");
         node.setControl(new Node.Endpoint("1.1.1.1",888));
         node.setTransaction(new Node.Endpoint("2.2.2.2",999));
-        System.out.println(node.toJsonString());
-        assertEquals(node.toJsonString(),objectMapper.writeValueAsString(node));
+        assertEquals(node.toJsonString(objectMapper),objectMapper.writeValueAsString(node));
     }
 
     @Test

discovery/seata-discovery-namingserver/src/main/java/org/apache/seata/discovery/registry/namingserver/NamingserverRegistryServiceImpl.java

@@ -165,7 +165,7 @@ public void doRegister(Instance instance, List<String> urlList) {
             String namespace = instance.getNamespace();
             String clusterName = instance.getClusterName();
             String unit = instance.getUnit();
-            String jsonBody = instance.toJsonString();
+            String jsonBody = instance.toJsonString(OBJECT_MAPPER);
             String params = "namespace=" + namespace + "&clusterName=" + clusterName + "&unit=" + unit;
             url += params;
             Map<String, String> header = new HashMap<>();
@@ -206,7 +206,7 @@ public void unregister(InetSocketAddress address) {
         for (String urlSuffix : getNamingAddrs()) {
             String url = HTTP_PREFIX + urlSuffix + "/naming/v1/unregister?";
             String unit = instance.getUnit();
-            String jsonBody = instance.toJsonString();
+            String jsonBody = instance.toJsonString(OBJECT_MAPPER);
             String params = "unit=" + unit;
             params = params + "&clusterName=" + instance.getClusterName();
             params = params + "&namespace=" + instance.getNamespace();

namingserver/src/main/java/org/apache/seata/namingserver/entity/pojo/ClusterData.java

@@ -125,12 +125,6 @@ public Cluster getClusterByUnits(Set<String> unitNames) {
     }
 
     public boolean registerInstance(NamingServerNode instance, String unitName) {
-        // refresh node weight
-        Object weightValue = instance.getMetadata().get("weight");
-        if (weightValue != null) {
-            instance.setWeight(Double.parseDouble(String.valueOf(weightValue)));
-            instance.getMetadata().remove("weight");
-        }
         Unit currentUnit = unitData.computeIfAbsent(unitName, value -> {
             Unit unit = new Unit();
             List<NamingServerNode> instances = new CopyOnWriteArrayList<>();

namingserver/src/main/java/org/apache/seata/namingserver/manager/NamingManager.java

@@ -96,7 +96,7 @@ public NamingManager() {
     @PostConstruct
     public void init() {
         this.vGroupMap = Caffeine.newBuilder()
-                .expireAfterAccess(heartbeatTimeThreshold, TimeUnit.MILLISECONDS) // expired time
+                .expireAfterAccess(heartbeatTimeThreshold + 1000, TimeUnit.MILLISECONDS) // expired time
                 .maximumSize(Integer.MAX_VALUE)
                 .removalListener(new RemovalListener<Object, Object>() {
 

server/src/main/java/org/apache/seata/server/Server.java

@@ -16,19 +16,13 @@
  */
 package org.apache.seata.server;
 
-import java.util.Objects;
-import java.util.UUID;
 import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
 import javax.annotation.Resource;
 import org.apache.seata.common.XID;
 import org.apache.seata.common.holder.ObjectHolder;
-import org.apache.seata.common.metadata.Node;
-import org.apache.seata.common.metadata.namingserver.Instance;
 import org.apache.seata.common.thread.NamedThreadFactory;
 import org.apache.seata.common.util.NetUtil;
 import org.apache.seata.common.util.StringUtils;
@@ -37,28 +31,19 @@
 import org.apache.seata.core.rpc.netty.NettyRemotingServer;
 import org.apache.seata.core.rpc.netty.NettyServerConfig;
 import org.apache.seata.server.coordinator.DefaultCoordinator;
+import org.apache.seata.server.instance.ServerInstance;
 import org.apache.seata.server.lock.LockerManagerFactory;
 import org.apache.seata.server.metrics.MetricsManager;
 import org.apache.seata.server.session.SessionHolder;
-import org.apache.seata.server.store.StoreConfig;
-import org.apache.seata.server.store.VGroupMappingStoreManager;
-import org.apache.seata.spring.boot.autoconfigure.properties.registry.RegistryNamingServerProperties;
-import org.apache.seata.spring.boot.autoconfigure.properties.registry.RegistryProperties;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.context.ApplicationListener;
-import org.springframework.core.env.ConfigurableEnvironment;
-import org.springframework.core.env.EnumerablePropertySource;
-import org.springframework.core.env.PropertySource;
 import org.springframework.stereotype.Component;
 import org.springframework.web.context.support.GenericWebApplicationContext;
 
 
-import static org.apache.seata.common.ConfigurationKeys.META_PREFIX;
-import static org.apache.seata.common.ConfigurationKeys.NAMING_SERVER;
 import static org.apache.seata.common.Constants.OBJECT_KEY_SPRING_APPLICATION_CONTEXT;
-import static org.apache.seata.common.Constants.OBJECT_KEY_SPRING_CONFIGURABLE_ENVIRONMENT;
 import static org.apache.seata.spring.boot.autoconfigure.StarterConstants.REGEX_SPLIT_CHAR;
 import static org.apache.seata.spring.boot.autoconfigure.StarterConstants.REGISTRY_PREFERED_NETWORKS;
 
@@ -69,66 +54,8 @@
 public class Server {
     private static final Logger LOGGER = LoggerFactory.getLogger(Server.class);
 
-    protected static volatile ScheduledExecutorService EXECUTOR_SERVICE;
-
-    @Resource
-    RegistryNamingServerProperties registryNamingServerProperties;
-
     @Resource
-    RegistryProperties registryProperties;
-
-    public void metadataInit() {
-        VGroupMappingStoreManager vGroupMappingStoreManager = SessionHolder.getRootVGroupMappingManager();
-        if (StringUtils.equals(registryProperties.getType(), NAMING_SERVER)) {
-            EXECUTOR_SERVICE = new ScheduledThreadPoolExecutor(1, new NamedThreadFactory("scheduledExcuter", 1, true));
-            ConfigurableEnvironment environment = (ConfigurableEnvironment) ObjectHolder.INSTANCE.getObject(OBJECT_KEY_SPRING_CONFIGURABLE_ENVIRONMENT);
-
-            // load node properties
-            Instance instance = Instance.getInstance();
-            // load namespace
-            String namespace = registryNamingServerProperties.getNamespace();
-            instance.setNamespace(namespace);
-            // load cluster name
-            String clusterName = registryNamingServerProperties.getCluster();
-            instance.setClusterName(clusterName);
-
-            // load cluster type
-            String clusterType = String.valueOf(StoreConfig.getSessionMode());
-            instance.addMetadata("cluster-type", "raft".equals(clusterType) ? clusterType : "default");
-
-            // load unit name
-            instance.setUnit(String.valueOf(UUID.randomUUID()));
-
-            instance.setTerm(System.currentTimeMillis());
-
-            // load node Endpoint
-            instance.setControl(new Node.Endpoint(NetUtil.getLocalIp(), Integer.parseInt(Objects.requireNonNull(environment.getProperty("server.port"))), "http"));
-
-            // load metadata
-            for (PropertySource<?> propertySource : environment.getPropertySources()) {
-                if (propertySource instanceof EnumerablePropertySource) {
-                    EnumerablePropertySource<?> enumerablePropertySource = (EnumerablePropertySource<?>) propertySource;
-                    for (String propertyName : enumerablePropertySource.getPropertyNames()) {
-                        if (propertyName.startsWith(META_PREFIX)) {
-                            instance.addMetadata(propertyName.substring(META_PREFIX.length()), enumerablePropertySource.getProperty(propertyName));
-                        }
-                    }
-                }
-            }
-            // load vgroup mapping relationship
-            instance.addMetadata("vGroup", vGroupMappingStoreManager.loadVGroups());
-
-            EXECUTOR_SERVICE.scheduleAtFixedRate(() -> {
-                try {
-                    vGroupMappingStoreManager.notifyMapping();
-                } catch (Exception e) {
-                    LOGGER.error("Naming server register Exception", e);
-                }
-            }, registryNamingServerProperties.getHeartbeatPeriod(),  registryNamingServerProperties.getHeartbeatPeriod(), TimeUnit.MILLISECONDS);
-            ServerRunner.addDisposable(EXECUTOR_SERVICE::shutdown);
-        }
-    }
-
+    ServerInstance serverInstance;
 
     /**
      * The entry point of application.
@@ -179,7 +106,7 @@ public void start(String[] args) {
         coordinator.init();
         nettyRemotingServer.setHandler(coordinator);
 
-        metadataInit();
+        serverInstance.serverInstanceInit();
         // let ServerRunner do destroy instead ShutdownHook, see https://github.com/seata/seata/issues/4028
         ServerRunner.addDisposable(coordinator);
         nettyRemotingServer.init();