mirror of https://github.com/k3s-io/k3s
104 lines
3.3 KiB
Go
104 lines
3.3 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 endpoint
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import (
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"fmt"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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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 adapts endpoints into apiserver's RESTStorage model.
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type REST struct {
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registry Registry
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}
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// NewStorage returns a new rest.Storage implementation for endpoints
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func NewStorage(registry 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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// Get satisfies the RESTStorage interface.
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func (rs *REST) Get(ctx api.Context, id string) (runtime.Object, error) {
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return rs.registry.GetEndpoints(ctx, id)
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}
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// List satisfies the RESTStorage interface.
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func (rs *REST) List(ctx api.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
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if !label.Empty() || !field.Empty() {
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return nil, errors.NewBadRequest("label/field selectors are not supported on endpoints")
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}
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return rs.registry.ListEndpoints(ctx)
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}
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// Watch returns Endpoint events via a watch.Interface.
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// It implements rest.Watcher.
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func (rs *REST) Watch(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
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return rs.registry.WatchEndpoints(ctx, label, field, resourceVersion)
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}
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// Create satisfies the RESTStorage interface.
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func (rs *REST) Create(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
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endpoints, ok := obj.(*api.Endpoints)
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if !ok {
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return nil, fmt.Errorf("not an endpoints: %#v", obj)
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}
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if len(endpoints.Name) == 0 {
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return nil, fmt.Errorf("id is required: %#v", obj)
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}
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if !api.ValidNamespace(ctx, &endpoints.ObjectMeta) {
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return nil, errors.NewConflict("endpoints", endpoints.Namespace, fmt.Errorf("Endpoints.Namespace does not match the provided context"))
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}
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api.FillObjectMetaSystemFields(ctx, &endpoints.ObjectMeta)
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err := rs.registry.UpdateEndpoints(ctx, endpoints)
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if err != nil {
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return nil, err
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}
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return rs.registry.GetEndpoints(ctx, endpoints.Name)
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}
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// Update satisfies the RESTStorage interface.
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func (rs *REST) Update(ctx api.Context, obj runtime.Object) (runtime.Object, bool, error) {
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endpoints, ok := obj.(*api.Endpoints)
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if !ok {
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return nil, false, fmt.Errorf("not an endpoints: %#v", obj)
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}
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err := rs.registry.UpdateEndpoints(ctx, endpoints)
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if err != nil {
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return nil, false, err
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}
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out, err := rs.registry.GetEndpoints(ctx, endpoints.Name)
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return out, false, err
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}
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// New implements the RESTStorage interface.
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func (rs REST) New() runtime.Object {
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return &api.Endpoints{}
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}
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func (*REST) NewList() runtime.Object {
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return &api.EndpointsList{}
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}
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