76 lines
2.5 KiB
Go
76 lines
2.5 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 resourcequota
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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/registry/generic"
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etcdgeneric "github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic/etcd"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/resourcequotausage"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/tools"
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)
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// Registry implements operations to modify ResourceQuota objects
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type Registry interface {
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generic.Registry
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resourcequotausage.Registry
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}
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// registry implements custom changes to generic.Etcd.
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type registry struct {
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*etcdgeneric.Etcd
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}
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// ApplyStatus atomically updates the ResourceQuotaStatus based on the observed ResourceQuotaUsage
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func (r *registry) ApplyStatus(ctx api.Context, usage *api.ResourceQuotaUsage) error {
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obj, err := r.Get(ctx, usage.Name)
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if err != nil {
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return err
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}
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if len(usage.ResourceVersion) == 0 {
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return fmt.Errorf("A resource observation must have a resourceVersion specified to ensure atomic updates")
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}
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// set the status
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resourceQuota := obj.(*api.ResourceQuota)
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resourceQuota.ResourceVersion = usage.ResourceVersion
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resourceQuota.Status = usage.Status
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return r.Update(ctx, resourceQuota.Name, resourceQuota)
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}
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// NewEtcdRegistry returns a registry which will store ResourceQuota in the given helper
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func NewEtcdRegistry(h tools.EtcdHelper) Registry {
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return ®istry{
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Etcd: &etcdgeneric.Etcd{
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NewFunc: func() runtime.Object { return &api.ResourceQuota{} },
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NewListFunc: func() runtime.Object { return &api.ResourceQuotaList{} },
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EndpointName: "resourcequotas",
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KeyRootFunc: func(ctx api.Context) string {
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return etcdgeneric.NamespaceKeyRootFunc(ctx, "/registry/resourcequotas")
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},
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KeyFunc: func(ctx api.Context, id string) (string, error) {
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return etcdgeneric.NamespaceKeyFunc(ctx, "/registry/resourcequotas", id)
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},
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Helper: h,
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},
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}
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}
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