mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-05 12:48:17 +00:00
c2524cbf9b
These metrics can provide insights into ResourceClaim usage. The total count is redundant because the apiserver also provides count of resources, but having it in the same sub-system next to the count of allocated claims might be more discoverable and helps monitor the controller itself.
77 lines
2.5 KiB
Go
77 lines
2.5 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"
|
|
)
|
|
|
|
// ResourceClaimSubsystem - subsystem name used for ResourceClaim creation
|
|
const ResourceClaimSubsystem = "resourceclaim_controller"
|
|
|
|
var (
|
|
// ResourceClaimCreateAttempts tracks the number of
|
|
// ResourceClaims().Create calls (both successful and unsuccessful)
|
|
ResourceClaimCreateAttempts = metrics.NewCounter(
|
|
&metrics.CounterOpts{
|
|
Subsystem: ResourceClaimSubsystem,
|
|
Name: "create_attempts_total",
|
|
Help: "Number of ResourceClaims creation requests",
|
|
StabilityLevel: metrics.ALPHA,
|
|
})
|
|
// ResourceClaimCreateFailures tracks the number of unsuccessful
|
|
// ResourceClaims().Create calls
|
|
ResourceClaimCreateFailures = metrics.NewCounter(
|
|
&metrics.CounterOpts{
|
|
Subsystem: ResourceClaimSubsystem,
|
|
Name: "create_failures_total",
|
|
Help: "Number of ResourceClaims creation request failures",
|
|
StabilityLevel: metrics.ALPHA,
|
|
})
|
|
// NumResourceClaims tracks the current number of ResourceClaims.
|
|
NumResourceClaims = metrics.NewGauge(
|
|
&metrics.GaugeOpts{
|
|
Subsystem: ResourceClaimSubsystem,
|
|
Name: "resource_claims",
|
|
Help: "Number of ResourceClaims",
|
|
StabilityLevel: metrics.ALPHA,
|
|
})
|
|
// NumAllocatedResourceClaims tracks the current number of allocated ResourceClaims.
|
|
NumAllocatedResourceClaims = metrics.NewGauge(
|
|
&metrics.GaugeOpts{
|
|
Subsystem: ResourceClaimSubsystem,
|
|
Name: "allocated_resource_claims",
|
|
Help: "Number of allocated ResourceClaims",
|
|
StabilityLevel: metrics.ALPHA,
|
|
})
|
|
)
|
|
|
|
var registerMetrics sync.Once
|
|
|
|
// RegisterMetrics registers ResourceClaim metrics.
|
|
func RegisterMetrics() {
|
|
registerMetrics.Do(func() {
|
|
legacyregistry.MustRegister(ResourceClaimCreateAttempts)
|
|
legacyregistry.MustRegister(ResourceClaimCreateFailures)
|
|
legacyregistry.MustRegister(NumResourceClaims)
|
|
legacyregistry.MustRegister(NumAllocatedResourceClaims)
|
|
})
|
|
}
|