110 lines
4.0 KiB
Go
110 lines
4.0 KiB
Go
/*
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Copyright 2024 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 leasecandidate
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import (
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"context"
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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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"k8s.io/apiserver/pkg/registry/generic"
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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/apis/coordination"
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"k8s.io/kubernetes/pkg/apis/coordination/validation"
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)
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// LeaseCandidateStrategy implements verification logic for leasecandidates.
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type LeaseCandidateStrategy 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 leasecandidate objects.
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var Strategy = LeaseCandidateStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
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// NamespaceScoped returns true because all leasecandidate' need to be within a namespace.
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func (LeaseCandidateStrategy) NamespaceScoped() bool {
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return true
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}
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// PrepareForCreate prepares leasecandidate for creation.
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func (LeaseCandidateStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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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 (LeaseCandidateStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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}
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// Validate validates a new leasecandidate.
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func (LeaseCandidateStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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leasecandidate := obj.(*coordination.LeaseCandidate)
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return validation.ValidateLeaseCandidate(leasecandidate)
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}
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// WarningsOnCreate returns warnings for the creation of the given object.
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func (LeaseCandidateStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
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return nil
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}
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// Canonicalize normalizes the object after validation.
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func (LeaseCandidateStrategy) Canonicalize(obj runtime.Object) {
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}
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// AllowCreateOnUpdate is true for leasecandidate; this means you may create one with a PUT request.
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func (LeaseCandidateStrategy) AllowCreateOnUpdate() bool {
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return true
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}
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// ValidateUpdate is the default update validation for an end user.
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func (LeaseCandidateStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidateLeaseCandidateUpdate(obj.(*coordination.LeaseCandidate), old.(*coordination.LeaseCandidate))
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}
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// WarningsOnUpdate returns warnings for the given update.
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func (LeaseCandidateStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
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return nil
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}
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// AllowUnconditionalUpdate is the default update policy for leasecandidate objects.
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func (LeaseCandidateStrategy) AllowUnconditionalUpdate() bool {
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return false
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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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leasecandidate, ok := obj.(*coordination.LeaseCandidate)
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if !ok {
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return nil, nil, fmt.Errorf("not a leaseCandidate")
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}
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return labels.Set(leasecandidate.ObjectMeta.Labels), ToSelectableFields(leasecandidate), nil
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}
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// ToSelectableFields returns a field 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 ToSelectableFields(leasecandidate *coordination.LeaseCandidate) fields.Set {
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objectMetaFieldsSet := generic.ObjectMetaFieldsSet(&leasecandidate.ObjectMeta, true)
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specificFieldsSet := fields.Set{
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"spec.leaseName": string(leasecandidate.Spec.LeaseName),
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}
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return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
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}
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