- 我们要先从注册中心将服务下线
为了通用性，不管任何注册中心都能使用统一的逻辑，我们在项目提供下面的Controller:
@RestController
public class ServerDeRegisterController {
@Autowired
private ServiceRegistry serviceRegistry;
@Autowired
private Registration registration;
@RequestMapping("/server/deregister")
public String deRegister(){
serviceRegistry.deregister(registration);
return "success";
}
}
因此：我们调用下线的url(只要改变自己的ip和端口即可):
curl http://127.0.0.1:9000/server/deregister
-
下线完后，需要睡眠20s，因为服务下线后，其他服务还会缓存我们服务的ip和port几秒钟
经过20s后，基本不会有其他服务调用我们的接口了，此时，mq等中间件还会跟我们服务进行连接 -
调用springboot shutdownEndpoint进行优雅关闭项目
需要在yml中配置我们的Endpoint:
management:
endpoints:
web:
base-path: /my/actuator
exposure:
include: "*"
path-mapping:
shutdown: my-shutdown
endpoint:
shutdown:
enabled: true
本质是调用：
//下面的id="shutdown"在上一步的配置中被替换成了my-shutdown
@Endpoint(id = "shutdown", enableByDefault = false)
public class ShutdownEndpoint implements ApplicationContextAware {
private static final Map<String, String> NO_CONTEXT_MESSAGE = Collections
.unmodifiableMap(
Collections.singletonMap("message", "No context to shutdown."));
private static final Map<String, String> SHUTDOWN_MESSAGE = Collections
.unmodifiableMap(
Collections.singletonMap("message", "Shutting down, bye..."));
private ConfigurableApplicationContext context;
@WriteOperation
public Map<String, String> shutdown() {
if (this.context == null) {
return NO_CONTEXT_MESSAGE;
}
try {
return SHUTDOWN_MESSAGE;
}
finally {
Thread thread = new Thread(this::performShutdown);
thread.setContextClassLoader(getClass().getClassLoader());
thread.start();
}
}
private void performShutdown() {
try {
Thread.sleep(500L);
}
catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
this.context.close();
}
@Override
public void setApplicationContext(ApplicationContext context) throws BeansException {
if (context instanceof ConfigurableApplicationContext) {
this.context = (ConfigurableApplicationContext) context;
}
}
}
因此关闭项目的url如下(改变下面的Ip和port为自己服务器的即可):
curl -X POST http://127.0.0.1:9000/my/actuator/my-shutdown
5.睡眠 30s，然后再kill掉服务（可能项目已经关闭了，也可能还没，时间自己定）
- 重新发布新的项目
最后：上面步骤写成shell脚本，发完一台机，再发另外一台
标签：shutdown,springboot,springcloud,private,Collections,context,发版,my,public From： https://www.cnblogs.com/yangxiaohui227/p/16715168.html