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added reusable metrics endpoints

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Evgeniy Kulikov 2020-03-03 13:34:52 +03:00
parent 1d5c1897a3
commit ad03a95feb
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1 changed files with 13 additions and 0 deletions
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13
metrics.go
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@ -3,12 +3,25 @@ package main
import (
"fmt"
"github.com/fasthttp/router"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/prometheus/common/expfmt"
"github.com/valyala/fasthttp"
)
func attachMetrics(r *router.Router, z promhttp.Logger) {
r.GET("/metrics/", metricsHandler(prometheus.DefaultGatherer, promhttp.HandlerOpts{
ErrorLog: z,
//ErrorHandling: 0,
//Registry: nil,
//DisableCompression: false,
//MaxRequestsInFlight: 0,
//Timeout: 0,
//EnableOpenMetrics: false,
}))
}
func metricsHandler(reg prometheus.Gatherer, opts promhttp.HandlerOpts) fasthttp.RequestHandler {
var (
inFlightSem chan struct{}