8000 feat: add path & method labels to prometheus metrics for current requests by ibetitsmike · Pull Request #17362 · coder/coder · GitHub
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feat: add path & method labels to prometheus metrics for current requests #17362

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Merged
merged 7 commits into from
Apr 16, 2025
Merged

feat: add path & method labels to prometheus metrics for current requests #17362

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bf5b3a8
added chi route extraction and labels
ibetitsmike Apr 11, 2025
3ff76bb
added path matching to prometheus middleware
ibetitsmike Apr 14, 2025
d9f3dfa
added method to requests concurrent
ibetitsmike Apr 14, 2025
b3b5b75
added unit tests for the prometheus middleware
ibetitsmike Apr 14, 2025
4d95f4e
unified testing code style
ibetitsmike Apr 15, 2025
2cb3796
PR feedback
ibetitsmike Apr 16, 2025
b68853a
fixed a bug with path matching
ibetitsmike Apr 16, 2025
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added method to requests concurrent
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@ibetitsmike
ibetitsmike committed Apr 15, 2025
commit d9f3dfa32e307c37e73e7fa5a2fa8320e51727a5
6 changes: 3 additions & 3 deletions coderd/httpmw/prometheus.go
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Expand Up @@ -27,7 +27,7 @@ func Prometheus(register prometheus.Registerer) func(http.Handler) http.Handler
Subsystem: "api",
Name: "concurrent_requests",
Help: "The number of concurrent API requests.",
}, []string{"path"})
}, []string{"method", "path"})
websocketsConcurrent := factory.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "coderd",
Subsystem: "api",
Expand Down Expand Up @@ -82,8 +82,8 @@ func Prometheus(register prometheus.Registerer) func(http.Handler) http.Handler

dist = websocketsDist
} else {
requestsConcurrent.WithLabelValues(path).Inc()
defer requestsConcurrent.WithLabelValues(path).Dec()
requestsConcurrent.WithLabelValues(method, path).Inc()
defer requestsConcurrent.WithLabelValues(method, path).Dec()

dist = requestsDist
distOpts = []string{method}
Expand Down
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