mirror of https://github.com/k3s-io/k3s
107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
/*
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Copyright 2014 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 podtemplate
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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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/storage"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/validation"
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)
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// podTemplateStrategy implements behavior for PodTemplates
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type podTemplateStrategy 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 PodTemplate
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// objects via the REST API.
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var Strategy = podTemplateStrategy{api.Scheme, names.SimpleNameGenerator}
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// NamespaceScoped is true for pod templates.
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func (podTemplateStrategy) NamespaceScoped() bool {
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return true
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}
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// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
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func (podTemplateStrategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {
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_ = obj.(*api.PodTemplate)
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}
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// Validate validates a new pod template.
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func (podTemplateStrategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
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pod := obj.(*api.PodTemplate)
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return validation.ValidatePodTemplate(pod)
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}
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// Canonicalize normalizes the object after validation.
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func (podTemplateStrategy) Canonicalize(obj runtime.Object) {
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}
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// AllowCreateOnUpdate is false for pod templates.
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func (podTemplateStrategy) AllowCreateOnUpdate() bool {
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return false
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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 (podTemplateStrategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
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_ = obj.(*api.PodTemplate)
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}
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// ValidateUpdate is the default update validation for an end user.
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func (podTemplateStrategy) ValidateUpdate(ctx genericapirequest.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidatePodTemplateUpdate(obj.(*api.PodTemplate), old.(*api.PodTemplate))
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}
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func (podTemplateStrategy) AllowUnconditionalUpdate() bool {
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return true
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}
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func (podTemplateStrategy) Export(ctx genericapirequest.Context, obj runtime.Object, exact bool) error {
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// Do nothing
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return nil
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}
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func PodTemplateToSelectableFields(podTemplate *api.PodTemplate) fields.Set {
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return nil
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}
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// GetAttrs returns labels and fields of a given object for filtering purposes.
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func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
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pt, ok := obj.(*api.PodTemplate)
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if !ok {
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return nil, nil, fmt.Errorf("given object is not a pod template.")
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}
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return labels.Set(pt.ObjectMeta.Labels), PodTemplateToSelectableFields(pt), nil
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}
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func MatchPodTemplate(label labels.Selector, field fields.Selector) storage.SelectionPredicate {
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return storage.SelectionPredicate{
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Label: label,
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Field: field,
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GetAttrs: GetAttrs,
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}
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}
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