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added chi route extraction and labels

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coderd/httpmw
- prometheus.go

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+10

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lines changed

`‎coderd/httpmw/prometheus.go‎`

Lines changed: 10 additions & 9 deletions

Original file line number	Diff line number	Diff line change
`@@ -22,18 +22,18 @@ func Prometheus(register prometheus.Registerer) func(http.Handler) http.Handler`
`22`	`22`	`Name:"requests_processed_total",`
`23`	`23`	`Help:"The total number of processed API requests",`
`24`	`24`	`}, []string{"code","method","path"})`
`25`		`-requestsConcurrent:=factory.NewGauge(prometheus.GaugeOpts{`
	`25`	`+requestsConcurrent:=factory.NewGaugeVec(prometheus.GaugeOpts{`
`26`	`26`	`Namespace:"coderd",`
`27`	`27`	`Subsystem:"api",`
`28`	`28`	`Name:"concurrent_requests",`
`29`	`29`	`Help:"The number of concurrent API requests.",`
`30`		`-})`
`31`		`-websocketsConcurrent:=factory.NewGauge(prometheus.GaugeOpts{`
	`30`	`+}, []string{"path"})`
	`31`	`+websocketsConcurrent:=factory.NewGaugeVec(prometheus.GaugeOpts{`
`32`	`32`	`Namespace:"coderd",`
`33`	`33`	`Subsystem:"api",`
`34`	`34`	`Name:"concurrent_websockets",`
`35`	`35`	`Help:"The total number of concurrent API websockets.",`
`36`		`-})`
	`36`	`+}, []string{"path"})`
`37`	`37`	`websocketsDist:=factory.NewHistogramVec(prometheus.HistogramOpts{`
`38`	`38`	`Namespace:"coderd",`
`39`	`39`	`Subsystem:"api",`
`@@ -69,27 +69,28 @@ func Prometheus(register prometheus.Registerer) func(http.Handler) http.Handler`
`69`	`69`	`panic("dev error: http.ResponseWriter is not *tracing.StatusWriter")`
`70`	`70`	`}`
`71`	`71`
	`72`	`+path:=rctx.RoutePattern()`
	`73`	`+`
`72`	`74`	`var (`
`73`	`75`	`dist*prometheus.HistogramVec`
`74`	`76`	`distOpts []string`
`75`	`77`	`)`
`76`	`78`	`// We want to count WebSockets separately.`
`77`	`79`	`ifhttpapi.IsWebsocketUpgrade(r) {`
`78`		`-websocketsConcurrent.Inc()`
`79`		`-deferwebsocketsConcurrent.Dec()`
	`80`	`+websocketsConcurrent.WithLabelValues(path).Inc()`
	`81`	`+deferwebsocketsConcurrent.WithLabelValues(path).Dec()`
`80`	`82`
`81`	`83`	`dist=websocketsDist`
`82`	`84`	`}else {`
`83`		`-requestsConcurrent.Inc()`
`84`		`-deferrequestsConcurrent.Dec()`
	`85`	`+requestsConcurrent.WithLabelValues(path).Inc()`
	`86`	`+deferrequestsConcurrent.WithLabelValues(path).Dec()`
`85`	`87`
`86`	`88`	`dist=requestsDist`
`87`	`89`	`distOpts= []string{method}`
`88`	`90`	`}`
`89`	`91`
`90`	`92`	`next.ServeHTTP(w,r)`
`91`	`93`
`92`		`-path:=rctx.RoutePattern()`
`93`	`94`	`distOpts=append(distOpts,path)`
`94`	`95`	`statusStr:=strconv.Itoa(sw.Status)`
`95`	`96`

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`‎coderd/httpmw/prometheus.go‎`

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