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plugin/proxy: fix metrics (#1137)

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Add Counter metrics and fix duration to use upstream name (and only use
it when we have one).

Fix the documentation to reflect this.

Fixes #1134
This commit is contained in:
Miek Gieben
2017-10-08 04:30:44 -07:00
committed by GitHub
parent c1b9f74f98
commit 7c6ba3fcbd
3 changed files with 29 additions and 10 deletions
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7
plugin/proxy/README.md
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@@ -98,10 +98,13 @@ payload over HTTPS). Note that with `https_google` the entire transport is encry
If monitoring is enabled (via the *prometheus* directive) then the following metric is exported:
* coredns_proxy_request_count_total{proto, proxy_proto, from}
* `coredns_proxy_request_duration_millisecond{proto, proto_proxy, family, to}` - duration per upstream
interaction.
* `coredns_proxy_request_count_total{proto, proto_proxy, family, to}` - query count per upstream.
Where `proxy_proto` is the protocol used (`dns`, `grpc`, or `https_google`) and `from` is **FROM**
Where `proxy_proto` is the protocol used (`dns`, `grpc`, or `https_google`) and `to` is **TO**
specified in the config, `proto` is the protocol used by the incoming query ("tcp" or "udp").
and family the transport family ("1" for IPv4, and "2" for IPv6).
## Examples