support for prometheus-style metrics

[jelmer]

It would be great if gonic supported prometheus-style metrics at /metrics. Happy to contribute something if you'd be open to accepting PRs that added support for that.

[sentriz]

Yeah cool idea. Would the output of using expvar be suitable?

https://pkg.go.dev/expvar

This would be then /debug/vars instead of /metrics

[jelmer]

On Sat, Jul 24, 2021 at 12:02:18PM -0700, Senan Kelly wrote:

Yeah cool idea. Would the output of using expvar be suitable?

https://pkg.go.dev/expvar

This would be then /debug/vars instead of /metrics

Unfortunately that wouldn't be scrapable by prometheus directly; if you'd prefer not to have prometheus support directly in gonic, I could use /debug/vars that to build a sidecar that exposes metrics appropriate for prometheus.

Jelmer

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