支持自定义 prometheus 指标上报

[0xc9e36]

现在通过 http://localhost:8090/prometheus 可以获取一些指标，但是希望能自定义一些 metrics，这个有开放接口吗

[JaredTan95]

自定义指标是需要在代码中埋点的，欢迎贡献

[stale]

This issue has been automatically marked as stale because it has not had activity in the last 30 days. It will be closed in 7 days unless it is tagged "help wanted" or other activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically closed because it has not had activity in the last 7 days. If this issue is still valid, please ping a maintainer and ask them to label it as "help wanted". Thank you for your contributions.

[stancycowen]

现在通过 http://localhost:8090/prometheus 可以获取一些指标，但是希望能自定义一些 metrics，这个有开放接口吗

你好，请问你Promethes试过了吗？我看了，吐的数据怎么是json，不是Prometheus的格式