64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
package provider
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import (
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stdprometheus "github.com/prometheus/client_golang/prometheus"
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"github.com/go-kit/kit/metrics"
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"github.com/go-kit/kit/metrics/prometheus"
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)
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type prometheusProvider struct {
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namespace string
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subsystem string
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}
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// NewPrometheusProvider returns a Provider that produces Prometheus metrics.
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// Namespace and subsystem are applied to all produced metrics.
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func NewPrometheusProvider(namespace, subsystem string) Provider {
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return &prometheusProvider{
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namespace: namespace,
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subsystem: subsystem,
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}
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}
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// NewCounter implements Provider via prometheus.NewCounterFrom, i.e. the
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// counter is registered. The metric's namespace and subsystem are taken from
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// the Provider. Help is set to the name of the metric, and no const label names
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// are set.
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func (p *prometheusProvider) NewCounter(name string) metrics.Counter {
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return prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: p.namespace,
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Subsystem: p.subsystem,
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Name: name,
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Help: name,
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}, []string{})
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}
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// NewGauge implements Provider via prometheus.NewGaugeFrom, i.e. the gauge is
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// registered. The metric's namespace and subsystem are taken from the Provider.
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// Help is set to the name of the metric, and no const label names are set.
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func (p *prometheusProvider) NewGauge(name string) metrics.Gauge {
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return prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: p.namespace,
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Subsystem: p.subsystem,
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Name: name,
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Help: name,
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}, []string{})
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}
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// NewGauge implements Provider via prometheus.NewSummaryFrom, i.e. the summary
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// is registered. The metric's namespace and subsystem are taken from the
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// Provider. Help is set to the name of the metric, and no const label names are
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// set. Buckets are ignored.
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func (p *prometheusProvider) NewHistogram(name string, _ int) metrics.Histogram {
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return prometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
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Namespace: p.namespace,
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Subsystem: p.subsystem,
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Name: name,
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Help: name,
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}, []string{})
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}
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// Stop implements Provider, but is a no-op.
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func (p *prometheusProvider) Stop() {}
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