127 lines
3.9 KiB
Go
127 lines
3.9 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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 namespace
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import (
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"fmt"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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kerrors "github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/rest"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
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)
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// REST provides the RESTStorage access patterns to work with Namespace objects.
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type REST struct {
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registry generic.Registry
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}
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// NewREST returns a new REST. You must use a registry created by
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// NewEtcdRegistry unless you're testing.
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func NewREST(registry generic.Registry) *REST {
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return &REST{
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registry: registry,
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}
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}
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// Create creates a Namespace object
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func (rs *REST) Create(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
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namespace := obj.(*api.Namespace)
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if err := rest.BeforeCreate(rest.Namespaces, ctx, obj); err != nil {
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return nil, err
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}
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if err := rs.registry.CreateWithName(ctx, namespace.Name, namespace); err != nil {
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err = rest.CheckGeneratedNameError(rest.Namespaces, err, namespace)
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return nil, err
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}
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return rs.registry.Get(ctx, namespace.Name)
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}
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// Update updates a Namespace object.
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func (rs *REST) Update(ctx api.Context, obj runtime.Object) (runtime.Object, bool, error) {
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namespace, ok := obj.(*api.Namespace)
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if !ok {
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return nil, false, fmt.Errorf("not a namespace: %#v", obj)
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}
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oldObj, err := rs.registry.Get(ctx, namespace.Name)
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if err != nil {
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return nil, false, err
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}
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oldNamespace := oldObj.(*api.Namespace)
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if errs := validation.ValidateNamespaceUpdate(oldNamespace, namespace); len(errs) > 0 {
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return nil, false, kerrors.NewInvalid("namespace", namespace.Name, errs)
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}
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if err := rs.registry.UpdateWithName(ctx, oldNamespace.Name, oldNamespace); err != nil {
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return nil, false, err
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}
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out, err := rs.registry.Get(ctx, oldNamespace.Name)
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return out, false, err
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}
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// Delete deletes the Namespace with the specified name
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func (rs *REST) Delete(ctx api.Context, name string) (runtime.Object, error) {
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obj, err := rs.registry.Get(ctx, name)
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if err != nil {
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return nil, err
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}
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_, ok := obj.(*api.Namespace)
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if !ok {
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return nil, fmt.Errorf("invalid object type")
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}
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return rs.registry.Delete(ctx, name)
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}
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func (rs *REST) Get(ctx api.Context, id string) (runtime.Object, error) {
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obj, err := rs.registry.Get(ctx, id)
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if err != nil {
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return nil, err
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}
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namespace, ok := obj.(*api.Namespace)
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if !ok {
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return nil, fmt.Errorf("invalid object type")
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}
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return namespace, err
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}
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func (rs *REST) getAttrs(obj runtime.Object) (objLabels, objFields labels.Set, err error) {
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return labels.Set{}, labels.Set{}, nil
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}
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func (rs *REST) List(ctx api.Context, label, field labels.Selector) (runtime.Object, error) {
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return rs.registry.ListPredicate(ctx, &generic.SelectionPredicate{label, field, rs.getAttrs})
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}
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func (rs *REST) Watch(ctx api.Context, label, field labels.Selector, resourceVersion string) (watch.Interface, error) {
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return rs.registry.WatchPredicate(ctx, &generic.SelectionPredicate{label, field, rs.getAttrs}, resourceVersion)
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}
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// New returns a new api.Namespace
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func (*REST) New() runtime.Object {
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return &api.Namespace{}
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}
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func (*REST) NewList() runtime.Object {
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return &api.NamespaceList{}
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}
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