INNER CODE UNIT · Go

init

kubernetes-up-and-running/kuard · pkg/app/app.go:44

func init() {
	prometheus.MustRegister(requestDuration)
}

var requestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
	Name:    "request_duration_seconds",
	Help:    "Time serving HTTP request",
	Buckets: prometheus.DefBuckets,
}, []string{"method", "route", "status_code"})

func promMiddleware(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		m := httpsnoop.CaptureMetrics(h, w, r)
		requestDuration.WithLabelValues(r.Method, r.URL.Path, strconv.Itoa(m.Code)).Observe(m.Duration.Seconds())
	})
}

func loggingMiddleware(handler http.Handler) http.Handler {

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