mirror of https://github.com/k3s-io/k3s
152 lines
5.0 KiB
Go
152 lines
5.0 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 apiservice
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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/registry/rest"
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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/kube-aggregator/pkg/apis/apiregistration"
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"k8s.io/kube-aggregator/pkg/apis/apiregistration/validation"
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)
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type apiServerStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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// apiServerStrategy must implement rest.RESTCreateUpdateStrategy
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var _ rest.RESTCreateUpdateStrategy = apiServerStrategy{}
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// NewStrategy creates a new apiServerStrategy.
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func NewStrategy(typer runtime.ObjectTyper) rest.RESTCreateUpdateStrategy {
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return apiServerStrategy{typer, names.SimpleNameGenerator}
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}
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func (apiServerStrategy) NamespaceScoped() bool {
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return false
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}
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func (apiServerStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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apiservice := obj.(*apiregistration.APIService)
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apiservice.Status = apiregistration.APIServiceStatus{}
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// mark local API services as immediately available on create
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if apiservice.Spec.Service == nil {
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apiregistration.SetAPIServiceCondition(apiservice, apiregistration.NewLocalAvailableAPIServiceCondition())
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}
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}
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func (apiServerStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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newAPIService := obj.(*apiregistration.APIService)
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oldAPIService := old.(*apiregistration.APIService)
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newAPIService.Status = oldAPIService.Status
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}
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func (apiServerStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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return validation.ValidateAPIService(obj.(*apiregistration.APIService))
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}
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func (apiServerStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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func (apiServerStrategy) AllowUnconditionalUpdate() bool {
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return false
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}
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func (apiServerStrategy) Canonicalize(obj runtime.Object) {
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}
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func (apiServerStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidateAPIServiceUpdate(obj.(*apiregistration.APIService), old.(*apiregistration.APIService))
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}
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type apiServerStatusStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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// NewStatusStrategy creates a new apiServerStatusStrategy.
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func NewStatusStrategy(typer runtime.ObjectTyper) rest.RESTUpdateStrategy {
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return apiServerStatusStrategy{typer, names.SimpleNameGenerator}
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}
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func (apiServerStatusStrategy) NamespaceScoped() bool {
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return false
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}
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func (apiServerStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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newAPIService := obj.(*apiregistration.APIService)
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oldAPIService := old.(*apiregistration.APIService)
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newAPIService.Spec = oldAPIService.Spec
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newAPIService.Labels = oldAPIService.Labels
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newAPIService.Annotations = oldAPIService.Annotations
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newAPIService.Finalizers = oldAPIService.Finalizers
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newAPIService.OwnerReferences = oldAPIService.OwnerReferences
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}
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func (apiServerStatusStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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func (apiServerStatusStrategy) AllowUnconditionalUpdate() bool {
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return false
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}
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// Canonicalize normalizes the object after validation.
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func (apiServerStatusStrategy) Canonicalize(obj runtime.Object) {
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}
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// ValidateUpdate validates an update of apiServerStatusStrategy.
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func (apiServerStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidateAPIServiceStatusUpdate(obj.(*apiregistration.APIService), old.(*apiregistration.APIService))
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}
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// GetAttrs returns the labels and fields of an API server for filtering purposes.
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func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
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apiserver, ok := obj.(*apiregistration.APIService)
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if !ok {
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return nil, nil, fmt.Errorf("given object is not a APIService")
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}
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return labels.Set(apiserver.ObjectMeta.Labels), ToSelectableFields(apiserver), nil
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}
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// MatchAPIService is the filter used by the generic etcd backend to watch events
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// from etcd to clients of the apiserver only interested in specific labels/fields.
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func MatchAPIService(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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// ToSelectableFields returns a field set that represents the object.
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func ToSelectableFields(obj *apiregistration.APIService) fields.Set {
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return generic.ObjectMetaFieldsSet(&obj.ObjectMeta, true)
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}
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