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.
69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
package metric
|
|
|
|
import (
|
|
prom "github.com/prometheus/client_golang/prometheus"
|
|
"github.com/zeromicro/go-zero/core/proc"
|
|
"github.com/zeromicro/go-zero/core/prometheus"
|
|
)
|
|
|
|
type (
|
|
// A CounterVecOpts is an alias of VectorOpts.
|
|
CounterVecOpts VectorOpts
|
|
|
|
// CounterVec interface represents a counter vector.
|
|
CounterVec interface {
|
|
// Inc increments labels.
|
|
Inc(labels ...string)
|
|
// Add adds labels with v.
|
|
Add(v float64, labels ...string)
|
|
close() bool
|
|
}
|
|
|
|
promCounterVec struct {
|
|
counter *prom.CounterVec
|
|
}
|
|
)
|
|
|
|
// NewCounterVec returns a CounterVec.
|
|
func NewCounterVec(cfg *CounterVecOpts) CounterVec {
|
|
if cfg == nil {
|
|
return nil
|
|
}
|
|
|
|
vec := prom.NewCounterVec(prom.CounterOpts{
|
|
Namespace: cfg.Namespace,
|
|
Subsystem: cfg.Subsystem,
|
|
Name: cfg.Name,
|
|
Help: cfg.Help,
|
|
}, cfg.Labels)
|
|
prom.MustRegister(vec)
|
|
cv := &promCounterVec{
|
|
counter: vec,
|
|
}
|
|
proc.AddShutdownListener(func() {
|
|
cv.close()
|
|
})
|
|
|
|
return cv
|
|
}
|
|
|
|
func (cv *promCounterVec) Inc(labels ...string) {
|
|
if !prometheus.Enabled() {
|
|
return
|
|
}
|
|
|
|
cv.counter.WithLabelValues(labels...).Inc()
|
|
}
|
|
|
|
func (cv *promCounterVec) Add(v float64, labels ...string) {
|
|
if !prometheus.Enabled() {
|
|
return
|
|
}
|
|
|
|
cv.counter.WithLabelValues(labels...).Add(v)
|
|
}
|
|
|
|
func (cv *promCounterVec) close() bool {
|
|
return prom.Unregister(cv.counter)
|
|
}
|