59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
/*
|
|
Copyright 2021 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 (
|
|
"sync"
|
|
|
|
"k8s.io/component-base/metrics"
|
|
"k8s.io/component-base/metrics/legacyregistry"
|
|
)
|
|
|
|
// EphemeralVolumeSubsystem - subsystem name used for Endpoint Slices.
|
|
const EphemeralVolumeSubsystem = "ephemeral_volume_controller"
|
|
|
|
var (
|
|
// EphemeralVolumeCreateAttempts tracks the number of
|
|
// PersistentVolumeClaims().Create calls (both successful and unsuccessful)
|
|
EphemeralVolumeCreateAttempts = metrics.NewCounter(
|
|
&metrics.CounterOpts{
|
|
Subsystem: EphemeralVolumeSubsystem,
|
|
Name: "create_total",
|
|
Help: "Number of PersistenVolumeClaims creation requests",
|
|
StabilityLevel: metrics.ALPHA,
|
|
})
|
|
// EphemeralVolumeCreateFailures tracks the number of unsuccessful
|
|
// PersistentVolumeClaims().Create calls
|
|
EphemeralVolumeCreateFailures = metrics.NewCounter(
|
|
&metrics.CounterOpts{
|
|
Subsystem: EphemeralVolumeSubsystem,
|
|
Name: "create_failures_total",
|
|
Help: "Number of PersistenVolumeClaims creation requests",
|
|
StabilityLevel: metrics.ALPHA,
|
|
})
|
|
)
|
|
|
|
var registerMetrics sync.Once
|
|
|
|
// RegisterMetrics registers EphemeralVolume metrics.
|
|
func RegisterMetrics() {
|
|
registerMetrics.Do(func() {
|
|
legacyregistry.MustRegister(EphemeralVolumeCreateAttempts)
|
|
legacyregistry.MustRegister(EphemeralVolumeCreateFailures)
|
|
})
|
|
}
|