You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.0 KiB
Go
58 lines
1.0 KiB
Go
package metric
|
|
|
|
import (
|
|
prom "github.com/prometheus/client_golang/prometheus"
|
|
"github.com/tal-tech/go-zero/core/proc"
|
|
)
|
|
|
|
type (
|
|
HistogramVecOpts struct {
|
|
Namespace string
|
|
Subsystem string
|
|
Name string
|
|
Help string
|
|
Labels []string
|
|
Buckets []float64
|
|
}
|
|
|
|
HistogramVec interface {
|
|
Observe(v int64, lables ...string)
|
|
close() bool
|
|
}
|
|
|
|
promHistogramVec struct {
|
|
histogram *prom.HistogramVec
|
|
}
|
|
)
|
|
|
|
func NewHistogramVec(cfg *HistogramVecOpts) HistogramVec {
|
|
if cfg == nil {
|
|
return nil
|
|
}
|
|
|
|
vec := prom.NewHistogramVec(prom.HistogramOpts{
|
|
Namespace: cfg.Namespace,
|
|
Subsystem: cfg.Subsystem,
|
|
Name: cfg.Name,
|
|
Help: cfg.Help,
|
|
Buckets: cfg.Buckets,
|
|
}, cfg.Labels)
|
|
prom.MustRegister(vec)
|
|
hv := &promHistogramVec{
|
|
histogram: vec,
|
|
}
|
|
proc.AddShutdownListener(func() {
|
|
hv.close()
|
|
})
|
|
|
|
return hv
|
|
}
|
|
|
|
func (hv *promHistogramVec) Observe(v int64, labels ...string) {
|
|
hv.histogram.WithLabelValues(labels...).Observe(float64(v))
|
|
}
|
|
|
|
func (hv *promHistogramVec) close() bool {
|
|
return prom.Unregister(hv.histogram)
|
|
}
|