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Merge pull request #90200 from gongguan/capacity-metric

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move watchCache metrics to a seperate file
This commit is contained in:
Kubernetes Prow Robot 2020-04-16 08:39:08 -07:00 committed by GitHub
commit 8fa7931159
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3 changed files with 46 additions and 22 deletions
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1
staging/src/k8s.io/apiserver/pkg/storage/cacher/BUILD
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@ -5,6 +5,7 @@ go_library(
srcs = [
"cacher.go",
"caching_object.go",
"metrics.go",
"time_budget.go",
"util.go",
"watch_cache.go",

22
staging/src/k8s.io/apiserver/pkg/storage/cacher/cacher.go
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@ -39,29 +39,11 @@ import (
"k8s.io/apiserver/pkg/storage"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/tools/cache"
"k8s.io/component-base/metrics"
"k8s.io/component-base/metrics/legacyregistry"
"k8s.io/klog"
utiltrace "k8s.io/utils/trace"
)
/*
* By default, all the following metrics are defined as falling under
* ALPHA stability level https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/20190404-kubernetes-control-plane-metrics-stability.md#stability-classes)
*
* Promoting the stability level of the metric is a responsibility of the component owner, since it
* involves explicitly acknowledging support for the metric across multiple releases, in accordance with
* the metric stability policy.
*/
var (
initCounter = metrics.NewCounterVec(
&metrics.CounterOpts{
Name: "apiserver_init_events_total",
Help: "Counter of init events processed in watchcache broken by resource type",
StabilityLevel: metrics.ALPHA,
},
[]string{"resource"},
)
emptyFunc = func() {}
)
@ -71,10 +53,6 @@ const (
storageWatchListPageSize = int64(10000)
)
func init() {
legacyregistry.MustRegister(initCounter)
}
// Config contains the configuration for a given Cache.
type Config struct {
// Maximum size of the history cached in memory.

45
staging/src/k8s.io/apiserver/pkg/storage/cacher/metrics.go Normal file
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@ -0,0 +1,45 @@
/*
Copyright 2019 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 cacher
import (
"k8s.io/component-base/metrics"
"k8s.io/component-base/metrics/legacyregistry"
)
/*
* By default, all the following metrics are defined as falling under
* ALPHA stability level https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/20190404-kubernetes-control-plane-metrics-stability.md#stability-classes)
*
* Promoting the stability level of the metric is a responsibility of the component owner, since it
* involves explicitly acknowledging support for the metric across multiple releases, in accordance with
* the metric stability policy.
*/
var (
initCounter = metrics.NewCounterVec(
&metrics.CounterOpts{
Name: "apiserver_init_events_total",
Help: "Counter of init events processed in watchcache broken by resource type",
StabilityLevel: metrics.ALPHA,
},
[]string{"resource"},
)
)
func init() {
legacyregistry.MustRegister(initCounter)
}