mirror of https://github.com/k3s-io/k3s
94 lines
3.5 KiB
Go
94 lines
3.5 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors 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 etcd
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import (
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/registry/cachesize"
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"k8s.io/kubernetes/pkg/registry/generic"
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etcdgeneric "k8s.io/kubernetes/pkg/registry/generic/etcd"
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"k8s.io/kubernetes/pkg/registry/horizontalpodautoscaler"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/storage"
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)
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type REST struct {
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*etcdgeneric.Etcd
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}
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// NewREST returns a RESTStorage object that will work against horizontal pod autoscalers.
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func NewREST(s storage.Interface, storageDecorator generic.StorageDecorator) (*REST, *StatusREST) {
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prefix := "/horizontalpodautoscalers"
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newListFunc := func() runtime.Object { return &extensions.HorizontalPodAutoscalerList{} }
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storageInterface := storageDecorator(
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s, cachesize.GetWatchCacheSizeByResource(cachesize.HorizontalPodAutoscalers), &extensions.HorizontalPodAutoscaler{}, prefix, horizontalpodautoscaler.Strategy, newListFunc)
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store := &etcdgeneric.Etcd{
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NewFunc: func() runtime.Object { return &extensions.HorizontalPodAutoscaler{} },
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// NewListFunc returns an object capable of storing results of an etcd list.
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NewListFunc: newListFunc,
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// Produces a path that etcd understands, to the root of the resource
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// by combining the namespace in the context with the given prefix
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KeyRootFunc: func(ctx api.Context) string {
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return etcdgeneric.NamespaceKeyRootFunc(ctx, prefix)
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},
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// Produces a path that etcd understands, to the resource by combining
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// the namespace in the context with the given prefix
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KeyFunc: func(ctx api.Context, name string) (string, error) {
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return etcdgeneric.NamespaceKeyFunc(ctx, prefix, name)
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},
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// Retrieve the name field of an autoscaler
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ObjectNameFunc: func(obj runtime.Object) (string, error) {
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return obj.(*extensions.HorizontalPodAutoscaler).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: func(label labels.Selector, field fields.Selector) generic.Matcher {
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return horizontalpodautoscaler.MatchAutoscaler(label, field)
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},
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QualifiedResource: extensions.Resource("horizontalpodautoscalers"),
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// Used to validate autoscaler creation
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CreateStrategy: horizontalpodautoscaler.Strategy,
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// Used to validate autoscaler updates
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UpdateStrategy: horizontalpodautoscaler.Strategy,
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Storage: storageInterface,
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}
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statusStore := *store
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statusStore.UpdateStrategy = horizontalpodautoscaler.StatusStrategy
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return &REST{store}, &StatusREST{store: &statusStore}
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}
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// StatusREST implements the REST endpoint for changing the status of a daemonset
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type StatusREST struct {
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store *etcdgeneric.Etcd
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}
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func (r *StatusREST) New() runtime.Object {
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return &extensions.HorizontalPodAutoscaler{}
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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 api.Context, obj runtime.Object) (runtime.Object, bool, error) {
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return r.store.Update(ctx, obj)
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}
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