New APi support - “update health in none health check mode through api”

[nanamikon]

Demand:

需求：

For services that do not require Nacos health checks, there is a need to update their instance health status through external health check data sources.

// 对于不需要nacos健康检查的服务， 有通过外部健康检查数据源， 更新其实例健康状态的需求。

All you need to do is update your health status, and no other information needs to be updated.

// 只需要更新健康状态，其他信息不需要更新

The plan:

方案：

1. Nacos provides API for updating the health of specified service instances

// 1、nacos提供api， 用于更新指定服务实例的健康情况

url

POST /v1/ns/health

param

serviceName
clusterName
ip
port
valid

2. DistroMapper. Responsibility (dom) is used to determine whether the request belongs to this server processing or not.

// 2、通过 DistroMapper.responsible(dom) 判断是否属于本server处理， 不是则转发请求

3. Only when the health examination mode is none will the health status be updated.

// 3、只有健康检查模式是none的，才会进行更新健康状态

4. After successful update, return to 200

// 4、成功更新后， 返回200

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