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outposts: make metrics compliant with Prometheus best-practices (#6398)

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web/outpost: make metrics compliant with Prometheus best-practices

Today, all NewHistogramVec store values in nanoseconds without changing
the default histogram bucket, which are made for seconds, making them
a bit useless. In addition, some metrics names are not self-explanatoryand
and do not comply with Prometheus best practices.

This commit tries to fix all of this "issues".

NOTE: I kept old metrics in order to avoid breaking changes with
existing dashboards and metrics.

Signed-off-by: Alexandre NICOLAIE <xunleii@users.noreply.github.com>
This commit is contained in:
Alexandre NICOLAIE
2023-07-27 18:51:08 +02:00
committed by GitHub
parent 5347dd7022
commit a2714ab1f1
17 changed files with 235 additions and 16 deletions
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12
internal/outpost/proxyv2/metrics/metrics.go
View File

@ -15,10 +15,20 @@ import (
var (
Requests = promauto.NewHistogramVec(prometheus.HistogramOpts{
Name: "authentik_outpost_proxy_request_duration_seconds",
Help: "Proxy request latencies in seconds",
}, []string{"outpost_name", "method", "host", "type"})
UpstreamTiming = promauto.NewHistogramVec(prometheus.HistogramOpts{
Name: "authentik_outpost_proxy_upstream_response_duration_seconds",
Help: "Proxy upstream response latencies in seconds",
}, []string{"outpost_name", "method", "scheme", "host", "upstream_host"})
// NOTE: the following metric is kept for compatibility purpose
RequestsLegacy = promauto.NewHistogramVec(prometheus.HistogramOpts{
Name: "authentik_outpost_proxy_requests",
Help: "The total number of configured providers",
}, []string{"outpost_name", "method", "host", "type"})
UpstreamTiming = promauto.NewHistogramVec(prometheus.HistogramOpts{
UpstreamTimingLegacy = promauto.NewHistogramVec(prometheus.HistogramOpts{
Name: "authentik_outpost_proxy_upstream_time",
Help: "A summary of the duration we wait for the upstream reply",
}, []string{"outpost_name", "method", "scheme", "host", "upstream_host"})