110 lines
4.0 KiB
Go
110 lines
4.0 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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 persistentvolume
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import (
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"fmt"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util/fielderrors"
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)
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// persistentvolumeStrategy implements behavior for PersistentVolume objects
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type persistentvolumeStrategy struct {
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runtime.ObjectTyper
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api.NameGenerator
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}
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// Strategy is the default logic that applies when creating and updating PersistentVolume
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// objects via the REST API.
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var Strategy = persistentvolumeStrategy{api.Scheme, api.SimpleNameGenerator}
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// NamespaceScoped is false for persistentvolumes.
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func (persistentvolumeStrategy) NamespaceScoped() bool {
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return false
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}
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// ResetBeforeCreate clears fields that are not allowed to be set by end users on creation.
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func (persistentvolumeStrategy) PrepareForCreate(obj runtime.Object) {
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pv := obj.(*api.PersistentVolume)
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pv.Status = api.PersistentVolumeStatus{}
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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 (persistentvolumeStrategy) PrepareForUpdate(obj, old runtime.Object) {
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newPv := obj.(*api.PersistentVolume)
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oldPv := obj.(*api.PersistentVolume)
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newPv.Status = oldPv.Status
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}
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// Validate validates a new persistentvolume.
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func (persistentvolumeStrategy) Validate(obj runtime.Object) fielderrors.ValidationErrorList {
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persistentvolume := obj.(*api.PersistentVolume)
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return validation.ValidatePersistentVolume(persistentvolume)
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}
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// AllowCreateOnUpdate is false for persistentvolumes.
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func (persistentvolumeStrategy) 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 (persistentvolumeStrategy) ValidateUpdate(obj, old runtime.Object) fielderrors.ValidationErrorList {
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return validation.ValidatePersistentVolumeUpdate(obj.(*api.PersistentVolume), old.(*api.PersistentVolume))
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}
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type persistentvolumeStatusStrategy struct {
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persistentvolumeStrategy
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}
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var StatusStrategy = persistentvolumeStatusStrategy{Strategy}
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func (persistentvolumeStatusStrategy) PrepareForUpdate(obj, old runtime.Object) {
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newPv := obj.(*api.PersistentVolume)
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oldPv := obj.(*api.PersistentVolume)
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newPv.Spec = oldPv.Spec
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}
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func (persistentvolumeStatusStrategy) ValidateUpdate(obj, old runtime.Object) fielderrors.ValidationErrorList {
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return validation.ValidatePersistentVolumeStatusUpdate(obj.(*api.PersistentVolume), old.(*api.PersistentVolume))
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}
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// MatchPersistentVolume returns a generic matcher for a given label and field selector.
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func MatchPersistentVolumes(label labels.Selector, field fields.Selector) generic.Matcher {
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return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
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persistentvolumeObj, ok := obj.(*api.PersistentVolume)
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if !ok {
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return false, fmt.Errorf("not a persistentvolume")
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}
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fields := PersistentVolumeToSelectableFields(persistentvolumeObj)
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return label.Matches(labels.Set(persistentvolumeObj.Labels)) && field.Matches(fields), nil
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})
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}
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// PersistentVolumeToSelectableFields returns a label set that represents the object
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// TODO: fields are not labels, and the validation rules for them do not apply.
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func PersistentVolumeToSelectableFields(persistentvolume *api.PersistentVolume) labels.Set {
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return labels.Set{
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"name": persistentvolume.Name,
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}
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}
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