springcloud之eureka client的启动流程

eureka clien向eureka server准备的web接口发送http请求,完成服务注册,获取...

org/springframework/cloud/spring-cloud-netflix-eureka-client/2.1.0.RELEASE/spring-cloud-netflix-eureka-client-2.1.0.RELEASE.jar!/META-INF/spring.factories

里面有很多自动装载的配置类 

进入

EurekaClientAutoConfiguration类

@Bean
    public DiscoveryClient discoveryClient(EurekaClient client, EurekaClientConfig clientConfig) {
        return new EurekaDiscoveryClient(client, clientConfig);
    }

进入DiscoveryClient类

boolean register() throws Throwable {
        logger.info("DiscoveryClient_{}: registering service...", this.appPathIdentifier);

        EurekaHttpResponse httpResponse;
        try {
            httpResponse = this.eurekaTransport.registrationClient.register(this.instanceInfo);
        } catch (Exception var3) {
            logger.warn("DiscoveryClient_{} - registration failed {}", new Object[]{this.appPathIdentifier, var3.getMessage(), var3});
            throw var3;
        }

        if (logger.isInfoEnabled()) {
            logger.info("DiscoveryClient_{} - registration status: {}", this.appPathIdentifier, httpResponse.getStatusCode());
        }

        return httpResponse.getStatusCode() == Status.NO_CONTENT.getStatusCode();
    }