80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
|
// Package multi provides adapters that send observations to multiple metrics
|
||
|
|
// simultaneously. This is useful if your service needs to emit to multiple
|
||
|
|
// instrumentation systems at the same time, for example if your organization is
|
||
|
|
// transitioning from one system to another.
|
||
|
|
package multi
|
||
|
|
|
||
|
|
import "github.com/go-kit/kit/metrics"
|
||
|
|
|
||
|
|
// Counter collects multiple individual counters and treats them as a unit.
|
||
|
|
type Counter []metrics.Counter
|
||
|
|
|
||
|
|
// NewCounter returns a multi-counter, wrapping the passed counters.
|
||
|
|
func NewCounter(c ...metrics.Counter) Counter {
|
||
|
|
return Counter(c)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add implements counter.
|
||
|
|
func (c Counter) Add(delta float64) {
|
||
|
|
for _, counter := range c {
|
||
|
|
counter.Add(delta)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// With implements counter.
|
||
|
|
func (c Counter) With(labelValues ...string) metrics.Counter {
|
||
|
|
next := make(Counter, len(c))
|
||
|
|
for i := range c {
|
||
|
|
next[i] = c[i].With(labelValues...)
|
||
|
|
}
|
||
|
|
return next
|
||
|
|
}
|
||
|
|
|
||
|
|
// Gauge collects multiple individual gauges and treats them as a unit.
|
||
|
|
type Gauge []metrics.Gauge
|
||
|
|
|
||
|
|
// NewGauge returns a multi-gauge, wrapping the passed gauges.
|
||
|
|
func NewGauge(g ...metrics.Gauge) Gauge {
|
||
|
|
return Gauge(g)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set implements Gauge.
|
||
|
|
func (g Gauge) Set(value float64) {
|
||
|
|
for _, gauge := range g {
|
||
|
|
gauge.Set(value)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// With implements gauge.
|
||
|
|
func (g Gauge) With(labelValues ...string) metrics.Gauge {
|
||
|
|
next := make(Gauge, len(g))
|
||
|
|
for i := range g {
|
||
|
|
next[i] = g[i].With(labelValues...)
|
||
|
|
}
|
||
|
|
return next
|
||
|
|
}
|
||
|
|
|
||
|
|
// Histogram collects multiple individual histograms and treats them as a unit.
|
||
|
|
type Histogram []metrics.Histogram
|
||
|
|
|
||
|
|
// NewHistogram returns a multi-histogram, wrapping the passed histograms.
|
||
|
|
func NewHistogram(h ...metrics.Histogram) Histogram {
|
||
|
|
return Histogram(h)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Observe implements Histogram.
|
||
|
|
func (h Histogram) Observe(value float64) {
|
||
|
|
for _, histogram := range h {
|
||
|
|
histogram.Observe(value)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// With implements histogram.
|
||
|
|
func (h Histogram) With(labelValues ...string) metrics.Histogram {
|
||
|
|
next := make(Histogram, len(h))
|
||
|
|
for i := range h {
|
||
|
|
next[i] = h[i].With(labelValues...)
|
||
|
|
}
|
||
|
|
return next
|
||
|
|
}
|