Prometheus middleware supports only gorilla/mux.
go get -u github.com/spl0i7/prometheus-middlewareYou will get:
- the HTTP request duration in seconds (
http_request_duration_seconds) histogram partitioned by status code, method and HTTP path.
...
# HELP http_request_duration_seconds How long it took to process the request, partitioned by status code, method and HTTP path.
# TYPE http_request_duration_seconds histogram
http_request_duration_seconds_bucket{code="200",method="get",path="/",le="0.3"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/",le="1"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/",le="2.5"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/",le="5"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/",le="+Inf"} 2
http_request_duration_seconds_sum{code="200",method="get",path="/"} 3.5256e-05
http_request_duration_seconds_count{code="200",method="get",path="/"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/metrics",le="0.3"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/metrics",le="1"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/metrics",le="2.5"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/metrics",le="5"} 2
http_request_duration_seconds_bucket{code="200",method="get",path="/metrics",le="+Inf"} 2
http_request_duration_seconds_sum{code="200",method="get",path="/metrics"} 0.001261767
http_request_duration_seconds_count{code="200",method="get",path="/metrics"} 2
...
- HTTP request total (
http_requests_total) partitioned by status code, method, and HTTP path.
...
# HELP http_requests_total How many HTTP requests processed, partitioned by status code, method and HTTP path.
# TYPE http_requests_total counter
http_requests_total{code="200",method="get",path="/"} 2
http_requests_total{code="200",method="get",path="/metrics"} 2
...
- Gorilla/Mux
middleware := NewPrometheusMiddleware(Opts{Subsystem: "sminem"})
r := mux.NewRouter()
r.Handle("/metrics", promhttp.Handler())
r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, "ok")
})
r.Use(middleware.InstrumentHandlerDuration)
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