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92 lines
3.4 KiB
Go
92 lines
3.4 KiB
Go
/*
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Copyright 2019 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 storage
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import (
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"context"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apiserver/pkg/registry/generic"
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genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/kubernetes/pkg/apis/flowcontrol"
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"k8s.io/kubernetes/pkg/printers"
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printersinternal "k8s.io/kubernetes/pkg/printers/internalversion"
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printerstorage "k8s.io/kubernetes/pkg/printers/storage"
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"k8s.io/kubernetes/pkg/registry/flowcontrol/flowschema"
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)
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// FlowSchemaStorage implements storage for flow schema.
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type FlowSchemaStorage struct {
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FlowSchema *REST
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Status *StatusREST
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}
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// REST implements a RESTStorage for flow schema against etcd
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type REST struct {
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*genericregistry.Store
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}
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// NewREST returns a RESTStorage object that will work against flow schemas.
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func NewREST(optsGetter generic.RESTOptionsGetter) (*REST, *StatusREST, error) {
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store := &genericregistry.Store{
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NewFunc: func() runtime.Object { return &flowcontrol.FlowSchema{} },
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NewListFunc: func() runtime.Object { return &flowcontrol.FlowSchemaList{} },
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DefaultQualifiedResource: flowcontrol.Resource("flowschemas"),
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CreateStrategy: flowschema.Strategy,
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UpdateStrategy: flowschema.Strategy,
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DeleteStrategy: flowschema.Strategy,
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TableConvertor: printerstorage.TableConvertor{TableGenerator: printers.NewTableGenerator().With(printersinternal.AddHandlers)},
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}
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options := &generic.StoreOptions{RESTOptions: optsGetter}
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if err := store.CompleteWithOptions(options); err != nil {
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return nil, nil, err
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}
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statusStore := *store
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statusStore.CreateStrategy = nil
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statusStore.UpdateStrategy = flowschema.StatusStrategy
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statusStore.DeleteStrategy = nil
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return &REST{store}, &StatusREST{store: &statusStore}, nil
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}
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// StatusREST implements the REST endpoint for changing the status of a flow schema.
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type StatusREST struct {
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store *genericregistry.Store
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}
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// New creates a new flow schema object.
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func (r *StatusREST) New() runtime.Object {
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return &flowcontrol.FlowSchema{}
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}
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// Get retrieves the object from the storage. It is required to support Patch.
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func (r *StatusREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
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return r.store.Get(ctx, name, options)
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}
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// Update alters the status subset of an object.
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func (r *StatusREST) Update(ctx context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) {
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// We are explicitly setting forceAllowCreate to false in the call to the underlying storage because
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// subresources should never allow create on update.
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return r.store.Update(ctx, name, objInfo, createValidation, updateValidation, false, options)
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}
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