20 lines
429 B
Go
20 lines
429 B
Go
package exporter
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import (
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"net/http"
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"github.com/prometheus/client_golang/prometheus"
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)
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type Middleware struct {
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metrics *Metrics
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}
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func (m Middleware) handler(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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timer := prometheus.NewTimer(m.metrics.metricRequestLatency)
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next.ServeHTTP(w, r)
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m.metrics.metricRequestsTotal.Inc()
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timer.ObserveDuration()
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})
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}
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