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.
67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package metric
|
|
|
|
import (
|
|
prom "github.com/prometheus/client_golang/prometheus"
|
|
"github.com/tal-tech/go-zero/core/proc"
|
|
)
|
|
|
|
type (
|
|
// GaugeVecOpts is an alias of VectorOpts.
|
|
GaugeVecOpts VectorOpts
|
|
|
|
// GaugeVec represents a gauge vector.
|
|
GaugeVec interface {
|
|
// Set sets v to labels.
|
|
Set(v float64, labels ...string)
|
|
// Inc increments labels.
|
|
Inc(labels ...string)
|
|
// Add adds v to labels.
|
|
Add(v float64, labels ...string)
|
|
close() bool
|
|
}
|
|
|
|
promGaugeVec struct {
|
|
gauge *prom.GaugeVec
|
|
}
|
|
)
|
|
|
|
// NewGaugeVec returns a GaugeVec.
|
|
func NewGaugeVec(cfg *GaugeVecOpts) GaugeVec {
|
|
if cfg == nil {
|
|
return nil
|
|
}
|
|
|
|
vec := prom.NewGaugeVec(
|
|
prom.GaugeOpts{
|
|
Namespace: cfg.Namespace,
|
|
Subsystem: cfg.Subsystem,
|
|
Name: cfg.Name,
|
|
Help: cfg.Help,
|
|
}, cfg.Labels)
|
|
prom.MustRegister(vec)
|
|
gv := &promGaugeVec{
|
|
gauge: vec,
|
|
}
|
|
proc.AddShutdownListener(func() {
|
|
gv.close()
|
|
})
|
|
|
|
return gv
|
|
}
|
|
|
|
func (gv *promGaugeVec) Inc(labels ...string) {
|
|
gv.gauge.WithLabelValues(labels...).Inc()
|
|
}
|
|
|
|
func (gv *promGaugeVec) Add(v float64, labels ...string) {
|
|
gv.gauge.WithLabelValues(labels...).Add(v)
|
|
}
|
|
|
|
func (gv *promGaugeVec) Set(v float64, labels ...string) {
|
|
gv.gauge.WithLabelValues(labels...).Set(v)
|
|
}
|
|
|
|
func (gv *promGaugeVec) close() bool {
|
|
return prom.Unregister(gv.gauge)
|
|
}
|