服务中心相互注册RestTemplate自动录找nacos 服务实例

最新推荐文章于 2025-06-09 01:00:00 发布

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最新推荐文章于 2025-06-09 01:00:00 发布 · 276 阅读

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#spring

RestTemplateConfig 配置信息

@Bean
    @LoadBalanced
    public RestTemplate restTemplate() {
   
   
        RestTemplate restTemplate = new RestTemplateBuilder().build();
        restTemplate.setRequestFactory(clientHttpRequestFactory());
        return restTemplate;
    }
  
    @Bean
    public HttpComponentsClientHttpRequestFactory clientHttpRequestFactory() {
   
   
        try {
   
   
            HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
            SSLContext sslContext = new SSLContextBuilder()
                    .loadTrustMaterial(null, (TrustStrategy) (arg0, arg1) -> true).build();
            httpClientBuilder.setSSLContext(sslContext);
            HostnameVerifier hostnameVerifier = NoopHostnameVerifier.INSTANCE;
            SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext,
                    hostnameVerifier);
            // 注册http和https请求
            Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
                    .register("http", PlainConnectionSocketFactory.getSocketFactory())
                    .register("https", sslConnectionSocketFactory).build();
            // 开始设置连接池
            PoolingHttpClientConnectionManager poolingHttpClientConnectionManager = new PoolingHttpClientConnectionManager(
                    socketFactoryRegistry);
            // 最大连接数500
            poolingHttpClientConnectionManager.setMaxTotal(500);
            // 同路由并发数100
            poolingHttpClientConnectionManager.setDefaultMaxPerRoute(100);
            // 重试次数
            httpClientBuilder.setConnectionManager(poolingHttpClientConnectionManager);
            httpClientBuilder.setRetryHandler(new DefaultHttpRequestRetryHandler(3, true));
            // httpClient连接配置
            CloseableHttpClient httpClient = httpClientBuilder.build();
            HttpComponentsClientHttpRequestFactory clientHttpRequestFactory = new HttpComponentsClientHttpRequestFactory(
                    httpClient);
            // 连接超时
            clientHttpRequestFactory.setConnectTimeout(20000);
            // 数据读取超时时间
            clientHttpRequestFactory.setReadTimeout(30000);
            // 连接不够用的等待时间
            clientHttpRequestFactory.setConnectionRequestTimeout(20000);
            
            return clientHttpRequestFactory;
        } catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException e) {
   
   
            log.error("初始化HTTP连接池出错", e);
        }
        return null;
    }

服务中心相互注册

  private static final String APPLICATION = "xxx";
    @Autowired
    private NacosDiscoveryProperties nacosDiscoveryProperties;

    @Autowired
    private NacosRegistration registration;

    @Value("${register.server.urls:-}")
    private String serverUrls;

    @Value("${register.server.name:-}")
    private String serverName;
    
    @EventListener
    public void event(InstanceRegisteredEvent event) throws Exception {
   
   
        if(serverUrls.equals("-")){
   
   
            //不需要注册第二个注册中心
            return;
        }
        try {
   
   
            for (String serverUrl : serverUrls.split(",")) {
   
   
                nacosDiscoveryProperties.setServerAddr(serverUrl);
                String