98 lines
1.9 KiB
Go
98 lines
1.9 KiB
Go
package mymetric
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import (
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"github.com/gin-gonic/gin"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"log"
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"time"
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)
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type (
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HistogramVec struct {
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*prometheus.HistogramVec
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Labels []string
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}
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CounterVec struct {
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*prometheus.CounterVec
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Labels []string
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}
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)
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func NewQPSHistogram(name string, labels ...string) *HistogramVec {
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name = HistogramKey(name)
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v := prometheus.NewHistogramVec(prometheus.HistogramOpts{
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Name: name,
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Buckets: []float64{5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 95, 100, 200, 300, 500, 600, 700, 800, 900, 1000, 1500, 2000, 5000}, // 统计区间 单位毫秒
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}, labels)
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wrapMetric := &HistogramVec{
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HistogramVec: v,
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Labels: labels,
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}
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RegisterPrometheus(wrapMetric)
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return wrapMetric
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}
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func NewHistogram(name string, buckets []float64, labels ...string) *HistogramVec {
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name = HistogramKey(name)
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v := prometheus.NewHistogramVec(prometheus.HistogramOpts{
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Name: name,
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Buckets: buckets,
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}, labels)
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wrapMetric := &HistogramVec{
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HistogramVec: v,
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Labels: labels,
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}
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RegisterPrometheus(wrapMetric)
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return wrapMetric
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}
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func NewCounter(name string, labels ...string) *CounterVec {
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name = CounterKey(name)
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v := prometheus.NewCounterVec(prometheus.CounterOpts{
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Name: name,
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}, labels)
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wrapMetric := &CounterVec{
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CounterVec: v,
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Labels: labels,
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}
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RegisterPrometheus(wrapMetric)
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return wrapMetric
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}
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const (
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MetricsRoute = "/metrics"
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)
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// 监控指标路由
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func GinExport(engine *gin.Engine) {
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engine.GET(MetricsRoute, gin.WrapH(promhttp.HandlerFor(
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prometheus.DefaultGatherer,
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promhttp.HandlerOpts{Timeout: time.Second * 3},
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)))
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}
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func HistogramKey(name string) string {
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return name + "_h"
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}
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func CounterKey(name string) string {
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return name + "_c"
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}
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func RegisterPrometheus(c prometheus.Collector) {
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err := prometheus.Register(c)
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if err != nil {
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log.Printf("register err: %s", err)
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}
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}
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