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101 lines
3.8 KiB
Go
101 lines
3.8 KiB
Go
/*
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Copyright 2020 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 csistoragecapacity
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import (
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"context"
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metav1validation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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storageutil "k8s.io/kubernetes/pkg/api/storage"
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"k8s.io/kubernetes/pkg/apis/storage"
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"k8s.io/kubernetes/pkg/apis/storage/validation"
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)
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// csiStorageCapacityStrategy implements behavior for CSIStorageCapacity objects
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type csiStorageCapacityStrategy 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
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// CSIStorageCapacity objects via the REST API.
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var Strategy = csiStorageCapacityStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
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func (csiStorageCapacityStrategy) NamespaceScoped() bool {
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return true
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}
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// PrepareForCreate is currently a NOP.
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func (csiStorageCapacityStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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}
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func (csiStorageCapacityStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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csiStorageCapacity := obj.(*storage.CSIStorageCapacity)
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opts := validation.CSIStorageCapacityValidateOptions{
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AllowInvalidLabelValueInSelector: false,
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}
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errs := validation.ValidateCSIStorageCapacity(csiStorageCapacity, opts)
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errs = append(errs, validation.ValidateCSIStorageCapacity(csiStorageCapacity, opts)...)
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return errs
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}
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// WarningsOnCreate returns warnings for the creation of the given object.
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func (csiStorageCapacityStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
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return storageutil.GetWarningsForCSIStorageCapacity(obj.(*storage.CSIStorageCapacity))
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}
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// Canonicalize normalizes the object after validation.
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func (csiStorageCapacityStrategy) Canonicalize(obj runtime.Object) {
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}
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func (csiStorageCapacityStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// PrepareForUpdate is currently a NOP.
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func (csiStorageCapacityStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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}
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func (csiStorageCapacityStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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newCSIStorageCapacityObj := obj.(*storage.CSIStorageCapacity)
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oldCSIStorageCapacityObj := old.(*storage.CSIStorageCapacity)
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opts := validation.CSIStorageCapacityValidateOptions{
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AllowInvalidLabelValueInSelector: hasInvalidLabelValueInLabelSelector(oldCSIStorageCapacityObj),
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}
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errorList := validation.ValidateCSIStorageCapacity(newCSIStorageCapacityObj, opts)
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return append(errorList, validation.ValidateCSIStorageCapacityUpdate(newCSIStorageCapacityObj, oldCSIStorageCapacityObj)...)
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}
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// WarningsOnUpdate returns warnings for the given update.
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func (csiStorageCapacityStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
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return storageutil.GetWarningsForCSIStorageCapacity(obj.(*storage.CSIStorageCapacity))
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}
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func (csiStorageCapacityStrategy) AllowUnconditionalUpdate() bool {
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return false
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}
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func hasInvalidLabelValueInLabelSelector(capacity *storage.CSIStorageCapacity) bool {
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labelSelectorValidationOptions := metav1validation.LabelSelectorValidationOptions{AllowInvalidLabelValueInSelector: false}
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return len(metav1validation.ValidateLabelSelector(capacity.NodeTopology, labelSelectorValidationOptions, nil)) > 0
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}
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