[Task] Client Active Offline

[loongs-zhang]

Description

Currently, shenyu only supports passive offline, during which the front-end will have a clear perception (i.e. response 408), indicating that it is better to support active offline.

The idea is roughly:

1. The client utilizes the mechanism provided by ShenyuClientShutdownHook to call the offline interface of shenyu admin;
2. In the offline interface of shenyu admin, we update the database and send events;

Task List

• [x] springmvc client
• [x] ~~spring cloud client wait for https://github.com/apache/shenyu/issues/4680~~
• [ ] springmvc client active offline support shenyu-admin cluster
• [x] ZookeeperClientRegisterRepository active offline @xuziyang
• [x] NacosClientRegisterRepository active offline @847850277
• [ ] EtcdClientRegisterRepository active offline @xuziyang
• [x] ConsulClientRegisterRepository active offline @847850277
• [x] ApolloClientRegisterRepository active offline @xuziyang

[weiweily]

hello， when this will be ok？

[loongs-zhang]

hello， when this will be ok？

At least 2.6.0

[loongs-zhang]

After discuss, we think the spring cloud active offline is not needed.

[xuziyang]

I would like to take on this job.

[847850277]

please asign ConsulClientRegisterRepository active offline and NacosClientRegisterRepository active offline to me.

[xuziyang]

please asign ApolloClientRegisterRepository active offline to me.

[loongs-zhang]

https://github.com/apache/shenyu/issues/5324