| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.servicecomb.pack.alpha.server.discovery.nacos; |
| |
| import com.google.common.eventbus.EventBus; |
| import com.google.common.eventbus.Subscribe; |
| import org.apache.servicecomb.pack.alpha.core.event.GrpcStartableStartedEvent; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.beans.factory.annotation.Qualifier; |
| import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; |
| import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; |
| import org.springframework.cloud.alibaba.nacos.NacosDiscoveryAutoConfiguration; |
| import org.springframework.cloud.alibaba.nacos.NacosDiscoveryProperties; |
| import org.springframework.stereotype.Component; |
| |
| import javax.annotation.PostConstruct; |
| import java.lang.invoke.MethodHandles; |
| |
| /** |
| * Listen for GrpcStartableStartedEvent and initialize the Nacos instance metadata |
| * */ |
| |
| @Component |
| @ConditionalOnClass({NacosDiscoveryAutoConfiguration.class}) |
| @ConditionalOnProperty(value = {"nacos.client.enabled"}, matchIfMissing = false) |
| public class GrpcStartableStartedEventListener { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| public static final String ALPHA_SERVER_GRPC_ADDRESS_KEY = "servicecomb-alpha-server"; |
| |
| @Autowired |
| @Qualifier("alphaEventBus") |
| EventBus eventBus; |
| |
| @Autowired(required = false) |
| public NacosDiscoveryProperties nacosDiscoveryProperties; |
| |
| @PostConstruct |
| public void init(){ |
| LOG.info("GrpcStartableStartedEventListener init"); |
| eventBus.register(this); |
| } |
| |
| /** |
| * Update grpc port to Nacos instance metadata |
| * */ |
| @Subscribe |
| public void listenGrpcStartableStartedEvent(GrpcStartableStartedEvent grpcStartableStartedEvent) { |
| LOG.info("event port = {}", grpcStartableStartedEvent.getPort()); |
| if(null != nacosDiscoveryProperties){ |
| String grpcAddressValue = nacosDiscoveryProperties.getIp() +":" + grpcStartableStartedEvent.getPort(); |
| this.nacosDiscoveryProperties.getMetadata().put(ALPHA_SERVER_GRPC_ADDRESS_KEY,grpcAddressValue); |
| LOG.info("Register grpc address {} to Nacos instance metadata",grpcAddressValue); |
| } |
| } |
| } |