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storage_extensions.go
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/
storage_extensions.go
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"fmt"
"time"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/rest"
"k8s.io/kubernetes/pkg/apis/extensions"
extensionsapiv1beta1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
extensionsclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/extensions/internalversion"
"k8s.io/kubernetes/pkg/genericapiserver"
horizontalpodautoscaleretcd "k8s.io/kubernetes/pkg/registry/autoscaling/horizontalpodautoscaler/etcd"
jobetcd "k8s.io/kubernetes/pkg/registry/batch/job/etcd"
expcontrolleretcd "k8s.io/kubernetes/pkg/registry/extensions/controller/etcd"
daemonetcd "k8s.io/kubernetes/pkg/registry/extensions/daemonset/etcd"
deploymentetcd "k8s.io/kubernetes/pkg/registry/extensions/deployment/etcd"
ingressetcd "k8s.io/kubernetes/pkg/registry/extensions/ingress/etcd"
networkpolicyetcd "k8s.io/kubernetes/pkg/registry/extensions/networkpolicy/etcd"
pspetcd "k8s.io/kubernetes/pkg/registry/extensions/podsecuritypolicy/etcd"
replicasetetcd "k8s.io/kubernetes/pkg/registry/extensions/replicaset/etcd"
thirdpartyresourceetcd "k8s.io/kubernetes/pkg/registry/extensions/thirdpartyresource/etcd"
utilruntime "k8s.io/kubernetes/pkg/util/runtime"
"k8s.io/kubernetes/pkg/util/wait"
)
type RESTStorageProvider struct {
ResourceInterface ResourceInterface
}
var _ genericapiserver.RESTStorageProvider = &RESTStorageProvider{}
func (p RESTStorageProvider) NewRESTStorage(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter genericapiserver.RESTOptionsGetter) (genericapiserver.APIGroupInfo, bool) {
apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(extensions.GroupName)
if apiResourceConfigSource.AnyResourcesForVersionEnabled(extensionsapiv1beta1.SchemeGroupVersion) {
apiGroupInfo.VersionedResourcesStorageMap[extensionsapiv1beta1.SchemeGroupVersion.Version] = p.v1beta1Storage(apiResourceConfigSource, restOptionsGetter)
apiGroupInfo.GroupMeta.GroupVersion = extensionsapiv1beta1.SchemeGroupVersion
}
return apiGroupInfo, true
}
func (p RESTStorageProvider) v1beta1Storage(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter genericapiserver.RESTOptionsGetter) map[string]rest.Storage {
version := extensionsapiv1beta1.SchemeGroupVersion
storage := map[string]rest.Storage{}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("horizontalpodautoscalers")) {
hpaStorage, hpaStatusStorage := horizontalpodautoscaleretcd.NewREST(restOptionsGetter(extensions.Resource("horizontalpodautoscalers")))
storage["horizontalpodautoscalers"] = hpaStorage
storage["horizontalpodautoscalers/status"] = hpaStatusStorage
controllerStorage := expcontrolleretcd.NewStorage(restOptionsGetter(api.Resource("replicationControllers")))
storage["replicationcontrollers"] = controllerStorage.ReplicationController
storage["replicationcontrollers/scale"] = controllerStorage.Scale
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("thirdpartyresources")) {
thirdPartyResourceStorage := thirdpartyresourceetcd.NewREST(restOptionsGetter(extensions.Resource("thirdpartyresources")))
storage["thirdpartyresources"] = thirdPartyResourceStorage
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("daemonsets")) {
daemonSetStorage, daemonSetStatusStorage := daemonetcd.NewREST(restOptionsGetter(extensions.Resource("daemonsets")))
storage["daemonsets"] = daemonSetStorage
storage["daemonsets/status"] = daemonSetStatusStorage
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("deployments")) {
deploymentStorage := deploymentetcd.NewStorage(restOptionsGetter(extensions.Resource("deployments")))
storage["deployments"] = deploymentStorage.Deployment
storage["deployments/status"] = deploymentStorage.Status
storage["deployments/rollback"] = deploymentStorage.Rollback
storage["deployments/scale"] = deploymentStorage.Scale
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("jobs")) {
jobsStorage, jobsStatusStorage := jobetcd.NewREST(restOptionsGetter(extensions.Resource("jobs")))
storage["jobs"] = jobsStorage
storage["jobs/status"] = jobsStatusStorage
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("ingresses")) {
ingressStorage, ingressStatusStorage := ingressetcd.NewREST(restOptionsGetter(extensions.Resource("ingresses")))
storage["ingresses"] = ingressStorage
storage["ingresses/status"] = ingressStatusStorage
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("podsecuritypolicy")) {
podSecurityExtensionsStorage := pspetcd.NewREST(restOptionsGetter(extensions.Resource("podsecuritypolicy")))
storage["podSecurityPolicies"] = podSecurityExtensionsStorage
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("replicasets")) {
replicaSetStorage := replicasetetcd.NewStorage(restOptionsGetter(extensions.Resource("replicasets")))
storage["replicasets"] = replicaSetStorage.ReplicaSet
storage["replicasets/status"] = replicaSetStorage.Status
storage["replicasets/scale"] = replicaSetStorage.Scale
}
if apiResourceConfigSource.ResourceEnabled(version.WithResource("networkpolicies")) {
networkExtensionsStorage := networkpolicyetcd.NewREST(restOptionsGetter(extensions.Resource("networkpolicies")))
storage["networkpolicies"] = networkExtensionsStorage
}
return storage
}
func (p RESTStorageProvider) PostStartHook() (string, genericapiserver.PostStartHookFunc, error) {
return "extensions/third-party-resources", p.postStartHookFunc, nil
}
func (p RESTStorageProvider) postStartHookFunc(hookContext genericapiserver.PostStartHookContext) error {
clientset, err := extensionsclient.NewForConfig(hookContext.LoopbackClientConfig)
if err != nil {
utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err))
return nil
}
thirdPartyControl := ThirdPartyController{
master: p.ResourceInterface,
client: clientset,
}
go wait.Forever(func() {
if err := thirdPartyControl.SyncResources(); err != nil {
glog.Warningf("third party resource sync failed: %v", err)
}
}, 10*time.Second)
return nil
}
func (p RESTStorageProvider) GroupName() string {
return extensions.GroupName
}