mirror of https://github.com/k3s-io/k3s
133 lines
4.8 KiB
Go
133 lines
4.8 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cronjob
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import (
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"context"
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batchv1beta1 "k8s.io/api/batch/v1beta1"
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batchv2alpha1 "k8s.io/api/batch/v2alpha1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/validation/field"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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"k8s.io/kubernetes/pkg/api/pod"
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"k8s.io/kubernetes/pkg/apis/batch"
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"k8s.io/kubernetes/pkg/apis/batch/validation"
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corevalidation "k8s.io/kubernetes/pkg/apis/core/validation"
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)
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// cronJobStrategy implements verification logic for Replication Controllers.
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type cronJobStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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// Strategy is the default logic that applies when creating and updating CronJob objects.
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var Strategy = cronJobStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
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// DefaultGarbageCollectionPolicy returns OrphanDependents for batch/v1beta1 and batch/v2alpha1 for backwards compatibility,
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// and DeleteDependents for all other versions.
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func (cronJobStrategy) DefaultGarbageCollectionPolicy(ctx context.Context) rest.GarbageCollectionPolicy {
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var groupVersion schema.GroupVersion
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if requestInfo, found := genericapirequest.RequestInfoFrom(ctx); found {
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groupVersion = schema.GroupVersion{Group: requestInfo.APIGroup, Version: requestInfo.APIVersion}
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}
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switch groupVersion {
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case batchv1beta1.SchemeGroupVersion, batchv2alpha1.SchemeGroupVersion:
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// for back compatibility
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return rest.OrphanDependents
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default:
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return rest.DeleteDependents
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}
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}
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// NamespaceScoped returns true because all scheduled jobs need to be within a namespace.
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func (cronJobStrategy) NamespaceScoped() bool {
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return true
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}
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// PrepareForCreate clears the status of a scheduled job before creation.
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func (cronJobStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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cronJob := obj.(*batch.CronJob)
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cronJob.Status = batch.CronJobStatus{}
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pod.DropDisabledTemplateFields(&cronJob.Spec.JobTemplate.Spec.Template, nil)
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}
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// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
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func (cronJobStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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newCronJob := obj.(*batch.CronJob)
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oldCronJob := old.(*batch.CronJob)
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newCronJob.Status = oldCronJob.Status
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pod.DropDisabledTemplateFields(&newCronJob.Spec.JobTemplate.Spec.Template, &oldCronJob.Spec.JobTemplate.Spec.Template)
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}
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// Validate validates a new scheduled job.
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func (cronJobStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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cronJob := obj.(*batch.CronJob)
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allErrs := validation.ValidateCronJob(cronJob)
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allErrs = append(allErrs, corevalidation.ValidateConditionalPodTemplate(&cronJob.Spec.JobTemplate.Spec.Template, nil, field.NewPath("spec.jobTemplate.spec.template"))...)
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return allErrs
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}
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// Canonicalize normalizes the object after validation.
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func (cronJobStrategy) Canonicalize(obj runtime.Object) {
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}
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func (cronJobStrategy) AllowUnconditionalUpdate() bool {
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return true
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}
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// AllowCreateOnUpdate is false for scheduled jobs; this means a POST is needed to create one.
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func (cronJobStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// ValidateUpdate is the default update validation for an end user.
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func (cronJobStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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newCronJob := obj.(*batch.CronJob)
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oldCronJob := old.(*batch.CronJob)
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allErrs := validation.ValidateCronJobUpdate(newCronJob, oldCronJob)
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allErrs = append(allErrs, corevalidation.ValidateConditionalPodTemplate(
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&newCronJob.Spec.JobTemplate.Spec.Template,
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&oldCronJob.Spec.JobTemplate.Spec.Template,
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field.NewPath("spec.jobTemplate.spec.template"))...)
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return allErrs
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}
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type cronJobStatusStrategy struct {
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cronJobStrategy
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}
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// StatusStrategy is the default logic invoked when updating object status.
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var StatusStrategy = cronJobStatusStrategy{Strategy}
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func (cronJobStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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newJob := obj.(*batch.CronJob)
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oldJob := old.(*batch.CronJob)
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newJob.Spec = oldJob.Spec
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}
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func (cronJobStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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return field.ErrorList{}
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}
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