Merge pull request #99341 from alaypatel07/metrics

cronjob_controller: add metrics for job creation skew duration
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Kubernetes Prow Robot 2021-03-02 11:11:19 -08:00 committed by GitHub
commit 94d5019369
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2 changed files with 51 additions and 0 deletions

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@ -46,6 +46,7 @@ import (
"k8s.io/component-base/metrics/prometheus/ratelimiter"
"k8s.io/klog/v2"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/controller/cronjob/metrics"
)
var (
@ -114,6 +115,8 @@ func NewControllerV2(jobInformer batchv1informers.JobInformer, cronJobsInformer
},
})
metrics.Register()
return jm, nil
}
@ -570,6 +573,7 @@ func (jm *ControllerV2) syncCronJob(
return cj, nil, err
}
metrics.CronJobCreationSkew.Observe(jobResp.ObjectMeta.GetCreationTimestamp().Sub(*scheduledTime).Seconds())
klog.V(4).InfoS("Created Job", "job", klog.KRef(jobResp.GetNamespace(), jobResp.GetName()), "cronjob", klog.KRef(cj.GetNamespace(), cj.GetName()))
jm.recorder.Eventf(cj, corev1.EventTypeNormal, "SuccessfulCreate", "Created job %v", jobResp.Name)

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@ -0,0 +1,47 @@
/*
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"
)
const CronJobControllerSubsystem = "cronjob_controller"
var (
CronJobCreationSkew = metrics.NewHistogram(
&metrics.HistogramOpts{
Subsystem: CronJobControllerSubsystem,
Name: "cronjob_job_creation_skew_duration_seconds",
Help: "Time between when a cronjob is scheduled to be run, and when the corresponding job is created",
StabilityLevel: metrics.ALPHA,
Buckets: metrics.ExponentialBuckets(1, 2, 10),
},
)
)
var registerMetrics sync.Once
// Register registers CronjobController metrics.
func Register() {
registerMetrics.Do(func() {
legacyregistry.MustRegister(CronJobCreationSkew)
})
}