92 lines
3 KiB
Go
92 lines
3 KiB
Go
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/*
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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 rest
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import (
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"fmt"
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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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genericapirequest "k8s.io/apiserver/pkg/request"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/cmd/libs/go2idl/client-gen/test_apis/testgroup"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/registry/generic"
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genericregistry "k8s.io/kubernetes/pkg/registry/generic/registry"
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"k8s.io/kubernetes/pkg/storage"
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)
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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 with testtype.
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func NewREST(optsGetter generic.RESTOptionsGetter) *REST {
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store := &genericregistry.Store{
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NewFunc: func() runtime.Object { return &testgroup.TestType{} },
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// NewListFunc returns an object capable of storing results of an etcd list.
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NewListFunc: func() runtime.Object { return &testgroup.TestTypeList{} },
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// Retrieve the name field of the resource.
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ObjectNameFunc: func(obj runtime.Object) (string, error) {
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return obj.(*testgroup.TestType).Name, nil
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},
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// Used to match objects based on labels/fields for list.
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PredicateFunc: matcher,
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// QualifiedResource should always be plural
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QualifiedResource: api.Resource("testtypes"),
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CreateStrategy: strategy,
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}
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options := &generic.StoreOptions{RESTOptions: optsGetter, AttrFunc: getAttrs}
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if err := store.CompleteWithOptions(options); err != nil {
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panic(err) // TODO: Propagate error up
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}
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return &REST{store}
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}
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type fakeStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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func (*fakeStrategy) NamespaceScoped() bool { return false }
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func (*fakeStrategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {}
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func (*fakeStrategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
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return nil
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}
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func (*fakeStrategy) Canonicalize(obj runtime.Object) {}
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var strategy = &fakeStrategy{api.Scheme, names.SimpleNameGenerator}
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func getAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
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testType, ok := obj.(*testgroup.TestType)
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if !ok {
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return nil, nil, fmt.Errorf("not a TestType")
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}
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return labels.Set(testType.ObjectMeta.Labels), fields.Set{}, nil
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}
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func matcher(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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