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metrics_client.go
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metrics_client.go
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package metrics
import (
"github.com/prometheus/client_golang/prometheus"
runtimemetrics "sigs.k8s.io/controller-runtime/pkg/metrics"
)
// Metrics subsystem and all of the keys used by the metrics client.
const (
MetricsClientSubsystem = "metrics_client"
MetricsClientFailTotalKey = "fail_total"
)
func init() {
registerMetricsClientMetrics()
}
type metricsClientFailTotalAdapter struct {
metric prometheus.Counter
}
func (a *metricsClientFailTotalAdapter) Increment() {
a.metric.Inc()
}
var (
metricsClientFailTotal = prometheus.NewCounter(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: MetricsClientSubsystem,
Name: MetricsClientFailTotalKey,
Help: "counter that indicates how many API requests to metrics server(e.g. prometheus) are failed.",
})
MetricsClientFailTotal *metricsClientFailTotalAdapter = &metricsClientFailTotalAdapter{metric: metricsClientFailTotal}
)
func registerMetricsClientMetrics() {
runtimemetrics.Registry.MustRegister(metricsClientFailTotal)
}