mirror of
https://github.com/emo2007/block-accounting.git
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44 lines
1.0 KiB
Go
44 lines
1.0 KiB
Go
package metrics
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import (
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"github.com/go-chi/chi/v5"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/collectors"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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var (
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RequestsAccepted = prometheus.NewCounter(prometheus.CounterOpts{
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Name: "http_request_count", // metric name
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Help: "Total requests counts",
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})
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RequestDurations = prometheus.NewHistogram(prometheus.HistogramOpts{
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Name: "http_request_duration_seconds",
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Help: "A histogram of the HTTP request durations in seconds.",
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Buckets: prometheus.ExponentialBuckets(0.1, 1.5, 5),
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})
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)
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func Initialize(router *chi.Mux) {
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reg := prometheus.NewRegistry()
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// Add Go module build info.
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reg.MustRegister(
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collectors.NewBuildInfoCollector(),
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collectors.NewGoCollector(),
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RequestsAccepted,
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RequestDurations,
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)
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go func() {
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router.Handle("/metrics", promhttp.HandlerFor(
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reg,
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promhttp.HandlerOpts{
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// Opt into OpenMetrics to support exemplars.
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EnableOpenMetrics: true,
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},
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))
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}()
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}
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