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Merge pull request #106455 from soltysh/cronjob_warning

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Add warning about using unsupported CRON_TZ
This commit is contained in:
Kubernetes Prow Robot 2021-11-16 17:44:31 -08:00 committed by GitHub
commit 39c76ba2ed
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2 changed files with 18 additions and 3 deletions
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10
pkg/controller/cronjob/cronjob_controllerv2.go
View File

@ -21,6 +21,7 @@ import (
"fmt"
"reflect"
"sort"
"strings"
"time"
"github.com/robfig/cron/v3"
@ -489,15 +490,20 @@ func (jm *ControllerV2) syncCronJob(
// this is likely a user error in defining the spec value
// we should log the error and not reconcile this cronjob until an update to spec
klog.V(2).InfoS("Unparseable schedule", "cronjob", klog.KRef(cj.GetNamespace(), cj.GetName()), "schedule", cj.Spec.Schedule, "err", err)
jm.recorder.Eventf(cj, corev1.EventTypeWarning, "UnparseableSchedule", "unparseable schedule: %s : %s", cj.Spec.Schedule, err)
jm.recorder.Eventf(cj, corev1.EventTypeWarning, "UnparseableSchedule", "unparseable schedule: %q : %s", cj.Spec.Schedule, err)
return cj, nil, nil
}
if strings.Contains(cj.Spec.Schedule, "TZ") {
jm.recorder.Eventf(cj, corev1.EventTypeWarning, "UnsupportedSchedule", "CRON_TZ or TZ used in schedule %q is not officially supported, see https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/ for more details", cj.Spec.Schedule)
}
scheduledTime, err := getNextScheduleTime(*cj, now, sched, jm.recorder)
if err != nil {
// this is likely a user error in defining the spec value
// we should log the error and not reconcile this cronjob until an update to spec
klog.V(2).InfoS("invalid schedule", "cronjob", klog.KRef(cj.GetNamespace(), cj.GetName()), "schedule", cj.Spec.Schedule, "err", err)
jm.recorder.Eventf(cj, corev1.EventTypeWarning, "InvalidSchedule", "invalid schedule schedule: %s : %s", cj.Spec.Schedule, err)
jm.recorder.Eventf(cj, corev1.EventTypeWarning, "InvalidSchedule", "invalid schedule: %s : %s", cj.Spec.Schedule, err)
return cj, nil, nil
}
if scheduledTime == nil {

11
pkg/registry/batch/cronjob/strategy.go
View File

@ -18,6 +18,8 @@ package cronjob
import (
"context"
"fmt"
"strings"
batchv1beta1 "k8s.io/api/batch/v1beta1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
@ -114,7 +116,11 @@ func (cronJobStrategy) Validate(ctx context.Context, obj runtime.Object) field.E
// WarningsOnCreate returns warnings for the creation of the given object.
func (cronJobStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
newCronJob := obj.(*batch.CronJob)
return pod.GetWarningsForPodTemplate(ctx, field.NewPath("spec", "jobTemplate", "spec", "template"), &newCronJob.Spec.JobTemplate.Spec.Template, nil)
warnings := pod.GetWarningsForPodTemplate(ctx, field.NewPath("spec", "jobTemplate", "spec", "template"), &newCronJob.Spec.JobTemplate.Spec.Template, nil)
if strings.Contains(newCronJob.Spec.Schedule, "TZ") {
warnings = append(warnings, fmt.Sprintf("CRON_TZ or TZ used in %s is not officially supported, see https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/ for more details", field.NewPath("spec", "spec", "schedule")))
}
return warnings
}
// Canonicalize normalizes the object after validation.
@ -147,6 +153,9 @@ func (cronJobStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Ob
if newCronJob.Generation != oldCronJob.Generation {
warnings = pod.GetWarningsForPodTemplate(ctx, field.NewPath("spec", "jobTemplate", "spec", "template"), &newCronJob.Spec.JobTemplate.Spec.Template, &oldCronJob.Spec.JobTemplate.Spec.Template)
}
if strings.Contains(newCronJob.Spec.Schedule, "TZ") {
warnings = append(warnings, fmt.Sprintf("CRON_TZ or TZ used in %s is not officially supported, see https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/ for more details", field.NewPath("spec", "spec", "schedule")))
}
return warnings
}