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counter.go
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counter.go
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package metric
import (
"github.com/prometheus/client_golang/prometheus"
)
// CounterVecOpts ...
type CounterVecOpts struct {
Namespace string
Subsystem string
Name string
Help string
Labels []string
}
// Build ...
func (opts CounterVecOpts) Build() *counterVec {
vec := prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: opts.Namespace,
Subsystem: opts.Subsystem,
Name: opts.Name,
Help: opts.Help,
}, opts.Labels)
prometheus.MustRegister(vec)
return &counterVec{
CounterVec: vec,
}
}
// NewCounterVec ...
func NewCounterVec(name string, labels []string) *counterVec {
return CounterVecOpts{
Namespace: DefaultNamespace,
Name: name,
Help: name,
Labels: labels,
}.Build()
}
type counterVec struct {
*prometheus.CounterVec
}
// Inc ...
func (counter *counterVec) Inc(labels ...string) {
counter.WithLabelValues(labels...).Inc()
}
// Add ...
func (counter *counterVec) Add(v float64, labels ...string) {
counter.WithLabelValues(labels...).Add(v)
}