Add naming support gRPC for register and deregister instance (#3343)

api/src/main/java/com/alibaba/nacos/api/naming/remote/NamingRemoteConstants.java

@@ -16,15 +16,18 @@
 
 package com.alibaba.nacos.api.naming.remote;
 
-import com.alibaba.nacos.api.remote.request.RequestTypeConstants;
-
 /**
- * retain all naming module request type constants.
+ * Retain all naming module request type constants.
  *
  * @author liuzunfei
- * @version $Id: NamingRequestTypeConstants.java, v 0.1 2020年07月13日 9:12 PM liuzunfei Exp $
+ * @author xiweng.yy
  */
-public class NamingRequestTypeConstants extends RequestTypeConstants {
+public class NamingRemoteConstants {
+    
+    public static final String REGISTER_INSTANCE = "registerInstance";
+    
+    public static final String DE_REGISTER_INSTANCE = "deregisterInstance";
+    
+    public static final String SUBSCRIBE_SERVICE = "subscribeService";
     
-    public static final String SERVICE_INSTANCE_CHANGE = "SERVICE_INSTANCE_CHANGE";
 }

api/src/main/java/com/alibaba/nacos/api/naming/remote/request/InstanceRequest.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.api.naming.remote.request;
+
+import com.alibaba.nacos.api.naming.pojo.Instance;
+import com.alibaba.nacos.api.naming.utils.NamingUtils;
+
+/**
+ * Nacos instances request.
+ *
+ * @author xiweng.yy
+ */
+public class InstanceRequest extends NamingCommonRequest {
+    
+    private String type;
+    
+    private Instance instance;
+    
+    public InstanceRequest() {
+    }
+    
+    public InstanceRequest(String namespace, String type, Instance instance) {
+        this(namespace, instance.getServiceName(), NamingUtils.getGroupName(instance.getServiceName()), type, instance);
+    }
+    
+    public InstanceRequest(String namespace, String serviceName, String type, Instance instance) {
+        super(namespace, serviceName, null);
+        this.type = type;
+        this.instance = instance;
+    }
+    
+    public InstanceRequest(String namespace, String serviceName, String groupName, String type, Instance instance) {
+        super(namespace, serviceName, groupName);
+        this.type = type;
+        this.instance = instance;
+    }
+    
+    public void setType(String type) {
+        this.type = type;
+    }
+    
+    @Override
+    public String getType() {
+        return this.type;
+    }
+    
+    public void setInstance(Instance instance) {
+        this.instance = instance;
+    }
+    
+    public Instance getInstance() {
+        return instance;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/naming/remote/request/NamingCommonRequest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.api.naming.remote.request;
+
+import com.alibaba.nacos.api.remote.request.Request;
+
+/**
+ * Uniform remote request of naming module.
+ *
+ * @author liuzunfei
+ */
+public abstract class NamingCommonRequest extends Request {
+    
+    private String namespace;
+    
+    private String serviceName;
+    
+    private String groupName;
+    
+    public NamingCommonRequest() {
+    }
+    
+    public NamingCommonRequest(String namespace, String serviceName, String groupName) {
+        this.namespace = namespace;
+        this.serviceName = serviceName;
+        this.groupName = groupName;
+    }
+    
+    @Override
+    public String getModule() {
+        return "naming";
+    }
+    
+    public String getNamespace() {
+        return namespace;
+    }
+    
+    public void setNamespace(String namespace) {
+        this.namespace = namespace;
+    }
+    
+    public String getServiceName() {
+        return serviceName;
+    }
+    
+    public void setServiceName(String serviceName) {
+        this.serviceName = serviceName;
+    }
+    
+    public String getGroupName() {
+        return groupName;
+    }
+    
+    public void setGroupName(String groupName) {
+        this.groupName = groupName;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/naming/remote/response/InstanceResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,20 +14,26 @@
  * limitations under the License.
  */
 
-package com.alibaba.nacos.api.naming.remote;
+package com.alibaba.nacos.api.naming.remote.response;
 
-import com.alibaba.nacos.api.remote.request.Request;
+import com.alibaba.nacos.api.remote.response.Response;
 
 /**
- * uniform remote request of naming module
+ * Instance response.
  *
- * @author liuzunfei
- * @version $Id: NamingCommonRequest.java, v 0.1 2020年07月14日 7:26 PM liuzunfei Exp $
+ * @author xiweng.yy
  */
-public abstract class NamingCommonRequest extends Request {
+public class InstanceResponse extends Response {
     
-    @Override
-    public String getModule() {
-        return "naming";
+    public InstanceResponse() {
+    }
+    
+    public InstanceResponse(int resultCode, String message, String type) {
+        this(resultCode, 0, message, type);
+    }
+    
+    public InstanceResponse(int resultCode, int errorCode, String message, String type) {
+        super(type, resultCode, message);
+        setErrorCode(errorCode);
     }
 }

api/src/main/java/com/alibaba/nacos/api/remote/ResponseRegistry.java

@@ -20,7 +20,8 @@ import com.alibaba.nacos.api.config.remote.response.ConfigChangeListenResponse;
 import com.alibaba.nacos.api.config.remote.response.ConfigChangeNotifyResponse;
 import com.alibaba.nacos.api.config.remote.response.ConfigQueryResponse;
 import com.alibaba.nacos.api.config.remote.response.ConfigResponseTypeConstants;
-import com.alibaba.nacos.api.naming.remote.NamingRequestTypeConstants;
+import com.alibaba.nacos.api.naming.remote.NamingRemoteConstants;
+import com.alibaba.nacos.api.naming.remote.response.InstanceResponse;
 import com.alibaba.nacos.api.remote.response.ConnectResetResponse;
 import com.alibaba.nacos.api.remote.response.HeartBeatResponse;
 import com.alibaba.nacos.api.remote.response.ResponseTypeConstants;
@@ -51,6 +52,8 @@ public class ResponseRegistry {
         
         //naming response registry
         //REGISTRY_RESPONSES.put(NamingRequestTypeConstants.SERVICE_INSTANCE_CHANGE, ServiceI.class);
+        REGISTRY_RESPONSES.put(NamingRemoteConstants.REGISTER_INSTANCE, InstanceResponse.class);
+        REGISTRY_RESPONSES.put(NamingRemoteConstants.DE_REGISTER_INSTANCE, InstanceResponse.class);
     }
     
     public static Class getClassByType(String type) {

api/src/main/java/com/alibaba/nacos/api/remote/request/Request.java

@@ -18,8 +18,8 @@ package com.alibaba.nacos.api.remote.request;
 
 /**
  * Request.
+ *
  * @author liuzunfei
- * @version $Id: Request.java, v 0.1 2020年07月13日 3:46 PM liuzunfei Exp $
  */
 public abstract class Request {
     

client/src/main/java/com/alibaba/nacos/client/config/remote/ConfigGrpcClientProxy.java

@@ -1,5 +1,17 @@
-/**
- * Alipay.com Inc. Copyright (c) 2004-2020 All Rights Reserved.
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package com.alibaba.nacos.client.config.remote;

client/src/main/java/com/alibaba/nacos/client/naming/net/NamingGrpcClientProxy.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.client.naming.net;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.naming.pojo.Instance;
+import com.alibaba.nacos.api.naming.remote.NamingRemoteConstants;
+import com.alibaba.nacos.api.naming.remote.request.InstanceRequest;
+import com.alibaba.nacos.api.remote.response.Response;
+import com.alibaba.nacos.client.remote.RpcClient;
+import com.alibaba.nacos.client.remote.RpcClientFactory;
+import com.alibaba.nacos.client.remote.ServerListFactory;
+
+import static com.alibaba.nacos.client.utils.LogUtils.NAMING_LOGGER;
+
+/**
+ * Naming grpc client proxy.
+ *
+ * @author xiweng.yy
+ */
+public class NamingGrpcClientProxy {
+    
+    private final String namespaceId;
+    
+    private RpcClient rpcClient;
+    
+    public NamingGrpcClientProxy(String namespaceId) {
+        this.namespaceId = namespaceId;
+        rpcClient = RpcClientFactory.getClient("naming");
+    }
+    
+    public void start() throws NacosException {
+        rpcClient.init(new ServerListFactory() {
+            @Override
+            public String genNextServer() {
+                return "localhost:8848";
+            }
+            
+            @Override
+            public String getCurrentServer() {
+                return "localhost:8848";
+            }
+        });
+        rpcClient.start();
+    }
+    
+    /**
+     * register a instance to service with specified instance properties.
+     *
+     * @param serviceName name of service
+     * @param groupName   group of service
+     * @param instance    instance to register
+     * @throws NacosException nacos exception
+     */
+    public void registerService(String serviceName, String groupName, Instance instance) throws NacosException {
+        NAMING_LOGGER.info("[REGISTER-SERVICE] {} registering service {} with instance {}", namespaceId, serviceName,
+                instance);
+        InstanceRequest request = new InstanceRequest(namespaceId, serviceName, groupName,
+                NamingRemoteConstants.REGISTER_INSTANCE, instance);
+        Response response = rpcClient.request(request);
+        if (200 != response.getResultCode()) {
+            throw new NacosException(response.getErrorCode(), response.getMessage());
+        }
+    }
+    
+    /**
+     * deregister instance from a service.
+     *
+     * @param serviceName name of service
+     * @param instance    instance
+     * @throws NacosException nacos exception
+     */
+    public void deregisterService(String serviceName, Instance instance) throws NacosException {
+        NAMING_LOGGER
+                .info("[DEREGISTER-SERVICE] {} deregistering service {} with instance: {}", namespaceId, serviceName,
+                        instance);
+        InstanceRequest request = new InstanceRequest(namespaceId, serviceName,
+                NamingRemoteConstants.DE_REGISTER_INSTANCE, instance);
+        Response response = rpcClient.request(request);
+        if (200 != response.getResultCode()) {
+            throw new NacosException(response.getErrorCode(), response.getMessage());
+        }
+    }
+}

config/src/main/java/com/alibaba/nacos/config/server/remote/ConfigChangeListenRequestHandler.java

@@ -1,6 +1,17 @@
-/**
- * Alipay.com Inc.
- * Copyright (c) 2004-2020 All Rights Reserved.
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package com.alibaba.nacos.config.server.remote;

config/src/main/java/com/alibaba/nacos/config/server/remote/ConfigQueryRequestHandler.java

@@ -1,6 +1,17 @@
-/**
- * Alipay.com Inc.
- * Copyright (c) 2004-2020 All Rights Reserved.
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 package com.alibaba.nacos.config.server.remote;
 

core/src/main/java/com/alibaba/nacos/core/remote/RequestHandler.java

@@ -13,25 +13,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.nacos.core.remote;
 
-import java.util.List;
-
-import javax.annotation.PostConstruct;
-
 import com.alibaba.nacos.api.exception.NacosException;
-import com.alibaba.nacos.api.remote.response.Response;
 import com.alibaba.nacos.api.remote.request.Request;
 import com.alibaba.nacos.api.remote.request.RequestMeta;
-
+import com.alibaba.nacos.api.remote.response.Response;
 import org.springframework.beans.factory.annotation.Autowired;
 
-/**
- * @author liuzunfei
- * @version $Id: RequestHandler.java, v 0.1 2020年07月13日 8:22 PM liuzunfei Exp $
- */
-public abstract class RequestHandler<T> {
+import javax.annotation.PostConstruct;
+import java.util.List;
 
+/**
+ * Nacos based request handler.
+ *
+ * @author liuzunfei
+ * @author xiweng.yy
+ */
+public abstract class RequestHandler<T extends Request> {
     
     @Autowired
     private RequestHandlerRegistry requestHandlerRegistry;
@@ -42,25 +42,28 @@ public abstract class RequestHandler<T> {
     }
     
     /**
+     * Parse request body to specified {@link Request}.
      *
-     * @param bodyString
-     * @param <T>
-     * @return
+     * @param bodyString body string
+     * @return request
      */
-    abstract public <T extends  Request> T parseBodyString(String bodyString);
+    public abstract T parseBodyString(String bodyString);
     
     /**
-     * handler request
-     * @param request
-     * @return
-     * @throws NacosException
+     * Handler request.
+     *
+     * @param request request
+     * @param meta    request meta data
+     * @return response
+     * @throws NacosException nacos exception when handle request has problem.
      */
-    abstract public Response handle(Request request, RequestMeta meta) throws NacosException;
+    public abstract Response handle(Request request, RequestMeta meta) throws NacosException;
     
     /**
-     * retrun the request type that this handler can handler
-     * @return
+     * Return the request type that this handler can handler.
+     *
+     * @return request types this handler responsible.
      */
-    abstract public List<String> getRequestTypes();
+    public abstract List<String> getRequestTypes();
     
 }

naming/src/main/java/com/alibaba/nacos/naming/remote/InstanceRequestHandler.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.naming.remote;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.naming.remote.request.InstanceRequest;
+import com.alibaba.nacos.api.naming.remote.NamingRemoteConstants;
+import com.alibaba.nacos.api.naming.remote.response.InstanceResponse;
+import com.alibaba.nacos.api.remote.request.Request;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
+import com.alibaba.nacos.api.remote.response.Response;
+import com.alibaba.nacos.common.utils.JacksonUtils;
+import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.core.remote.RequestHandler;
+import com.alibaba.nacos.naming.core.Instance;
+import com.alibaba.nacos.naming.core.ServiceManager;
+import com.alibaba.nacos.naming.misc.Loggers;
+import com.alibaba.nacos.naming.misc.UtilsAndCommons;
+import com.google.common.collect.Lists;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * Instance request handler.
+ *
+ * @author xiweng.yy
+ */
+@Component
+public class InstanceRequestHandler extends RequestHandler<InstanceRequest> {
+    
+    @Autowired
+    private ServiceManager serviceManager;
+    
+    @Override
+    public InstanceRequest parseBodyString(String bodyString) {
+        return JacksonUtils.toObj(bodyString, InstanceRequest.class);
+    }
+    
+    @Override
+    public Response handle(Request request, RequestMeta meta) throws NacosException {
+        InstanceRequest instanceRequest = (InstanceRequest) request;
+        String namespace = instanceRequest.getNamespace();
+        String serviceName = instanceRequest.getServiceName();
+        switch (instanceRequest.getType()) {
+            case NamingRemoteConstants.REGISTER_INSTANCE:
+                if (!serviceManager.containService(namespace, serviceName)) {
+                    serviceManager.createEmptyService(namespace, serviceName, false);
+                }
+                Instance instance = parseInstance(instanceRequest.getInstance());
+                instance.setServiceName(serviceName);
+                instance.setInstanceId(instance.generateInstanceId());
+                instance.setLastBeat(System.currentTimeMillis());
+                // Register instance by connection, do not need keep alive by beat.
+                instance.setMarked(true);
+                instance.validate();
+                serviceManager.addInstance(namespace, serviceName, instance.isEphemeral(), instance);
+                break;
+            case NamingRemoteConstants.DE_REGISTER_INSTANCE:
+                if (!serviceManager.containService(namespace, serviceName)) {
+                    Loggers.SRV_LOG.warn("remove instance from non-exist service: {}", serviceName);
+                    return new InstanceResponse(200, "success", request.getType());
+                }
+                instance = parseInstance(instanceRequest.getInstance());
+                serviceManager.removeInstance(namespace, serviceName, instance.isEphemeral(), instance);
+                break;
+            default:
+                throw new NacosException(NacosException.INVALID_PARAM, String.format("Unsupported request type %s", instanceRequest.getType()));
+        }
+        return new InstanceResponse(200, "success", request.getType());
+    }
+    
+    private Instance parseInstance(com.alibaba.nacos.api.naming.pojo.Instance instance) {
+        Instance result = new Instance(instance.getIp(), instance.getPort());
+        result.setClusterName(StringUtils.isBlank(instance.getClusterName()) ? UtilsAndCommons.DEFAULT_CLUSTER_NAME
+                : instance.getClusterName());
+        result.setEnabled(instance.isEnabled());
+        result.setEphemeral(instance.isEphemeral());
+        result.setWeight(instance.getWeight());
+        result.setMetadata(instance.getMetadata());
+        return result;
+    }
+    
+    @Override
+    public List<String> getRequestTypes() {
+        return Lists.newArrayList(NamingRemoteConstants.REGISTER_INSTANCE,
+                NamingRemoteConstants.DE_REGISTER_INSTANCE);
+    }
+}

naming/src/main/java/com/alibaba/nacos/naming/remote/SubscribeServiceRequestHandler.java

@@ -17,7 +17,7 @@
 package com.alibaba.nacos.naming.remote;
 
 import com.alibaba.nacos.api.exception.NacosException;
-import com.alibaba.nacos.api.naming.remote.NamingRequestTypeConstants;
+import com.alibaba.nacos.api.naming.remote.NamingRemoteConstants;
 import com.alibaba.nacos.api.remote.request.Request;
 import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.response.Response;
@@ -30,19 +30,17 @@ import org.springframework.stereotype.Component;
 import java.util.List;
 
 /**
- * handler to handle service instance change listen request.
+ * Handler to handle subscribe service.
  *
  * @author liuzunfei
- * @version $Id: ServiceInstanceChangeListenRequestHandler.java, v 0.1 2020年07月14日 7:55 PM liuzunfei Exp $
+ * @author xiweng.yy
  */
 @Component
-public class ServiceInstanceChangeListenRequestHandler extends RequestHandler {
+public class SubscribeServiceRequestHandler extends RequestHandler {
     
     @Autowired
     AsyncListenContext asyncListenContext;
     
-    private static final String LISTEN_CONTEXT_TYPE = "CONFIG";
-    
     @Override
     public Request parseBodyString(String bodyString) {
         return null;
@@ -55,6 +53,6 @@ public class ServiceInstanceChangeListenRequestHandler extends RequestHandler {
     
     @Override
     public List<String> getRequestTypes() {
-        return Lists.newArrayList(NamingRequestTypeConstants.SERVICE_INSTANCE_CHANGE);
+        return Lists.newArrayList(NamingRemoteConstants.SUBSCRIBE_SERVICE);
     }
 }