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// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build ignore
// +build ignore
package xds
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/prometheus/discovery"
)
var _ discovery.DiscovererMetrics = (*xdsMetrics)(nil)
type xdsMetrics struct {
fetchDuration prometheus.Summary
fetchSkipUpdateCount prometheus.Counter
fetchFailuresCount prometheus.Counter
metricRegisterer discovery.MetricRegisterer
}
func newDiscovererMetrics(reg prometheus.Registerer, rmi discovery.RefreshMetricsInstantiator) discovery.DiscovererMetrics {
m := &xdsMetrics{
fetchFailuresCount: prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: namespace,
Name: "sd_kuma_fetch_failures_total",
Help: "The number of Kuma MADS fetch call failures.",
}),
fetchSkipUpdateCount: prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: namespace,
Name: "sd_kuma_fetch_skipped_updates_total",
Help: "The number of Kuma MADS fetch calls that result in no updates to the targets.",
}),
fetchDuration: prometheus.NewSummary(
prometheus.SummaryOpts{
Namespace: namespace,
Name: "sd_kuma_fetch_duration_seconds",
Help: "The duration of a Kuma MADS fetch call.",
Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
},
),
}
m.metricRegisterer = discovery.NewMetricRegisterer(reg, []prometheus.Collector{
m.fetchFailuresCount,
m.fetchSkipUpdateCount,
m.fetchDuration,
})
return m
}
// Register implements discovery.DiscovererMetrics.
func (m *xdsMetrics) Register() error {
return m.metricRegisterer.RegisterMetrics()
}
// Unregister implements discovery.DiscovererMetrics.
func (m *xdsMetrics) Unregister() {
m.metricRegisterer.UnregisterMetrics()
}
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