61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package metrics
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import (
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"github.com/WHUPRJ/woj-server/internal/e"
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"github.com/WHUPRJ/woj-server/internal/pkg/cast"
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"github.com/prometheus/client_golang/prometheus"
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)
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type Metrics struct {
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namespace string
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subsystem string
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counter *prometheus.CounterVec
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hist *prometheus.HistogramVec
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logPaths []string
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}
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func (m *Metrics) Setup(namespace string, subsystem string) {
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m.namespace = namespace
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m.subsystem = subsystem
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m.counter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "requests_total",
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Help: "Total number of requests",
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},
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[]string{"method", "url"},
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)
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m.hist = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "requests_details",
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Help: "Details of each request",
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Buckets: []float64{0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500, 1000},
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},
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[]string{"method", "url", "success", "http_code", "err_code"},
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)
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prometheus.MustRegister(m.counter, m.hist)
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}
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func (m *Metrics) Record(method, url string, success bool, httpCode int, errCode e.Status, elapsed float64) {
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m.counter.With(prometheus.Labels{
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"method": method,
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"url": url,
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}).Inc()
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m.hist.With(prometheus.Labels{
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"method": method,
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"url": url,
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"success": cast.ToString(success),
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"http_code": cast.ToString(httpCode),
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"err_code": cast.ToString(errCode),
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}).Observe(elapsed)
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}
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