external-dns/pkg/metrics/metrics.go
Ivan Ka d63bfb324c
feat(controller)!: publish metrics for all supported endpoint types (#5516)
* feat(controller): add more metrics for all supported endpoint types

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* feat(controller): add cardinality and labels for records metrics

Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com>

* feat(controller): add cardinality and labels for records metrics

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

* fix rebase

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>

---------

Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>
Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com>
2025-06-13 02:40:58 -07:00

80 lines
2.0 KiB
Go

/*
Copyright 2025 The Kubernetes 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.
*/
package metrics
import (
"runtime"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
cfg "sigs.k8s.io/external-dns/pkg/apis/externaldns"
)
var (
RegisterMetric = NewMetricsRegister()
)
func NewMetricsRegister() *MetricRegistry {
reg := prometheus.WrapRegistererWith(
prometheus.Labels{
"version": cfg.Version,
"arch": runtime.GOARCH,
"go_version": runtime.Version(),
},
prometheus.DefaultRegisterer)
return &MetricRegistry{
Registerer: reg,
Metrics: []*Metric{},
mName: make(map[string]bool),
}
}
// MustRegister registers a metric if it hasn't been registered yet.
//
// Usage: MustRegister(...)
// Example:
//
// func init() {
// metrics.RegisterMetric.MustRegister(errorsTotal)
// }
func (m *MetricRegistry) MustRegister(cs IMetric) {
switch v := cs.(type) {
case CounterMetric, GaugeMetric, CounterVecMetric, GaugeVecMetric:
if _, exists := m.mName[cs.Get().FQDN]; exists {
return
} else {
m.mName[cs.Get().FQDN] = true
}
m.Metrics = append(m.Metrics, cs.Get())
switch metric := v.(type) {
case CounterMetric:
m.Registerer.MustRegister(metric.Counter)
case GaugeMetric:
m.Registerer.MustRegister(metric.Gauge)
case GaugeVecMetric:
m.Registerer.MustRegister(metric.Gauge)
case CounterVecMetric:
m.Registerer.MustRegister(metric.CounterVec)
}
log.Debugf("Register metric: %s", cs.Get().FQDN)
default:
log.Warnf("Unsupported metric type: %T", v)
return
}
}