| /* |
| * 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.consul; |
| |
| import com.ecwid.consul.v1.ConsulClient; |
| import com.ecwid.consul.v1.Response; |
| import com.ecwid.consul.v1.agent.model.NewService; |
| import com.ecwid.consul.v1.catalog.model.CatalogService; |
| import com.google.common.eventbus.EventBus; |
| import com.google.common.eventbus.Subscribe; |
| import java.util.List; |
| 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.beans.factory.annotation.Value; |
| import org.springframework.boot.autoconfigure.AutoConfigureAfter; |
| import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; |
| import org.springframework.cloud.client.discovery.event.InstanceRegisteredEvent; |
| import org.springframework.cloud.consul.ConsulAutoConfiguration; |
| import org.springframework.cloud.consul.discovery.ConsulDiscoveryProperties; |
| |
| import javax.annotation.PostConstruct; |
| import java.lang.invoke.MethodHandles; |
| import org.springframework.context.event.EventListener; |
| import org.springframework.stereotype.Component; |
| |
| @Component |
| @ConditionalOnProperty(value = {"spring.cloud.consul.enabled"}) |
| @AutoConfigureAfter(ConsulAutoConfiguration.class) |
| public class AlphaConsulAutoConfiguration { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private String consuleInstanceId; |
| |
| private int actualAlphaServerPort; |
| |
| @Value("${alpha.server.port}") |
| private int alphaServerPort; |
| |
| @Value("${spring.application.name}") |
| private String serviceName; |
| |
| @Autowired |
| private ConsulClient consulClient; |
| |
| @Autowired |
| @Qualifier("alphaEventBus") |
| EventBus eventBus; |
| |
| @Autowired |
| ConsulDiscoveryProperties consulDiscoveryProperties; |
| |
| @PostConstruct |
| public void init(){ |
| eventBus.register(this); |
| // Unregister from consul when shutdown |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| public void run() { |
| LOG.info("Unregister Consul {}", consuleInstanceId); |
| consulClient.agentServiceDeregister(consuleInstanceId); |
| } |
| }); |
| } |
| |
| /** |
| * Format local consul instanceId to instanceId of consul server |
| * */ |
| private String formatConsulInstanceId(String consuleInstanceId) { |
| return consuleInstanceId.replace(".", "-").replace(":", "-"); |
| } |
| |
| /** |
| * Update actual grpc port to actualAlphaServerPort |
| * */ |
| @Subscribe |
| public void listenGrpcStartableStartedEvent(GrpcStartableStartedEvent grpcStartableStartedEvent) { |
| if(alphaServerPort == 0){ |
| actualAlphaServerPort = grpcStartableStartedEvent.getPort(); |
| } |
| } |
| |
| /** |
| * Update grpc port of consul tags after Conusl Registered |
| * */ |
| @EventListener |
| public void listenInstanceRegisteredEvent(InstanceRegisteredEvent instanceRegisteredEvent){ |
| if(alphaServerPort == 0){ |
| if(instanceRegisteredEvent.getConfig() instanceof ConsulDiscoveryProperties){ |
| ConsulDiscoveryProperties properties = (ConsulDiscoveryProperties)instanceRegisteredEvent.getConfig(); |
| this.consuleInstanceId = formatConsulInstanceId(properties.getInstanceId()); |
| Response<List<CatalogService>> services = consulClient.getCatalogService(serviceName,null); |
| if(services.getValue() != null){ |
| services.getValue().stream().filter(service -> |
| service.getServiceId().equalsIgnoreCase(this.consuleInstanceId)).forEach(service -> { |
| |
| NewService newservice = new NewService(); |
| newservice.setName(service.getServiceName()); |
| newservice.setId(service.getServiceId()); |
| newservice.setAddress(service.getAddress()); |
| newservice.setPort(service.getServicePort()); |
| List<String> tags = service.getServiceTags(); |
| tags.remove("alpha-server-port=0"); |
| tags.add("alpha-server-port="+actualAlphaServerPort); |
| newservice.setTags(tags); |
| consulClient.agentServiceRegister(newservice); |
| }); |
| } |
| } |
| } |
| } |
| } |