Support http/2

[ZeeShen]

Do you have any plan to support scrape metrics via http/2?
For grpc servers, it will be convenient to expose a metrics interface in http/2.

[hwinkel]

so unify CNCF APIs towards HTTP/2 ?

[juliusv]

Does Prometheus not support HTTP/2 already? It was my understanding that starting with Go 1.6, the standard library HTTP server transparently did HTTP/2 when needed. Local tests seem to confirm this against the https://http2.golang.org/ test server.

[fabxc]

That's matches my latest state of knowledge.
Did you try it out and found it not working?

On Sat, Nov 5, 2016 at 2:46 PM Julius Volz notifications@github.com wrote:

Does Prometheus not support HTTP/2 already? It was my understanding that
starting with Go 1.6, the standard library HTTP server transparently did
HTTP/2 when needed. Local tests seem to confirm this against the
https://http2.golang.org/ test server.

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[ZeeShen]

Maybe I should change issue to best practice to export metrics from grpc server?. The problems I've had:

1. Grpc server doesn't support Get, but scrape request is via get
2. How to define metrics rpc in protocol? Return something like message MetricsResponse {repeated MetricFamily metrics = 1;} ?

Anyway, thank you for your reply. As http/2 is already supported, I'll close this issue.

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.