Sentinel Dashboard support contextpath

[xuande]

sentinel #1839
Sentinel Dashboard support contextpath
Sentinel dashboard 支持设置contextpath

Which Component
Sentinel

Is your feature request related to a problem? Please describe.
Sentinel dashboard设置contextpath后，信息上报失败
Sentinel Dashboard failed to report information after setting contextPath

Describe the solution you'd like
Add spring.cloud.sentinel.transport.api-path,eg. dashboad url http://localhost:8080/sentinel,configuration as follows:
增加spring.cloud.sentinel.transport.api-path配置，如dashboard地址为http://localhost:8080/sentinel,那么配置如下:

spring:
  cloud:
    sentinel:
      transport:
        dashboard: localhost:8080
        api-path: /sentinel/registry/machine

Describe alternatives you've considered

Additional context

[dededecode]

请问用的是什么版本呢，我试了好多版本配置文件都无法识别api-path这个属性

[wabixia0515]

请问用的是什么版本呢，我试了好多版本配置文件都无法识别api-path这个属性

我也没找到，我找了另外的办法，自己在应用启动的时候设置属性;

System.setProperty("csp.sentinel.heartbeat.api.path", "/sentinel/registry/machine");