实战
public class GrayMetadataRule extends AbstractLoadBalancerRule {
Logger logger = LoggerFactory.getLogger(getClass());
@Autowired
private NacosDiscoveryProperties nacosDiscoveryProperties;
@Autowired
private NacosServiceManager nacosServiceManager;
@Override
public void initWithNiwsConfig(IClientConfig iClientConfig) {
}
@Override
public Server choose(Object key) {
String clusterName = this.nacosDiscoveryProperties.getClusterName();
String group = this.nacosDiscoveryProperties.getGroup();
DynamicServerListLoadBalancer loadBalancer = (DynamicServerListLoadBalancer)this.getLoadBalancer();
String name = loadBalancer.getName();
NamingService namingService = this.nacosServiceManager.getNamingService(this.nacosDiscoveryProperties.getNacosProperties());
List<Instance> instances = null;
try {
instances = namingService.selectInstances(name, group, true);
} catch (NacosException e) {
e.printStackTrace();
}
if(instances == null || instances.size() == 0){
logger.warn("没有相关服务 {}",name);
return null;
}
System.out.println("找到相关服务");
return new NacosServer(instances.get(0));
}
}参考
https://www.cnblogs.com/ITPower/p/13353248.html
https://blog.csdn.net/forezp/article/details/74820899
