mirror of https://github.com/k3s-io/k3s
143 lines
6.6 KiB
Go
143 lines
6.6 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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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 rest
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import (
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"fmt"
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"time"
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"github.com/golang/glog"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/rest"
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"k8s.io/kubernetes/pkg/apis/extensions"
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extensionsapiv1beta1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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extensionsclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/extensions/unversioned"
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"k8s.io/kubernetes/pkg/genericapiserver"
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horizontalpodautoscaleretcd "k8s.io/kubernetes/pkg/registry/autoscaling/horizontalpodautoscaler/etcd"
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jobetcd "k8s.io/kubernetes/pkg/registry/batch/job/etcd"
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expcontrolleretcd "k8s.io/kubernetes/pkg/registry/extensions/controller/etcd"
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daemonetcd "k8s.io/kubernetes/pkg/registry/extensions/daemonset/etcd"
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deploymentetcd "k8s.io/kubernetes/pkg/registry/extensions/deployment/etcd"
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ingressetcd "k8s.io/kubernetes/pkg/registry/extensions/ingress/etcd"
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networkpolicyetcd "k8s.io/kubernetes/pkg/registry/extensions/networkpolicy/etcd"
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pspetcd "k8s.io/kubernetes/pkg/registry/extensions/podsecuritypolicy/etcd"
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replicasetetcd "k8s.io/kubernetes/pkg/registry/extensions/replicaset/etcd"
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thirdpartyresourceetcd "k8s.io/kubernetes/pkg/registry/extensions/thirdpartyresource/etcd"
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utilruntime "k8s.io/kubernetes/pkg/util/runtime"
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"k8s.io/kubernetes/pkg/util/wait"
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)
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type RESTStorageProvider struct {
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ResourceInterface ResourceInterface
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}
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var _ genericapiserver.RESTStorageProvider = &RESTStorageProvider{}
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func (p RESTStorageProvider) NewRESTStorage(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter genericapiserver.RESTOptionsGetter) (genericapiserver.APIGroupInfo, bool) {
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apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(extensions.GroupName)
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if apiResourceConfigSource.AnyResourcesForVersionEnabled(extensionsapiv1beta1.SchemeGroupVersion) {
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apiGroupInfo.VersionedResourcesStorageMap[extensionsapiv1beta1.SchemeGroupVersion.Version] = p.v1beta1Storage(apiResourceConfigSource, restOptionsGetter)
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apiGroupInfo.GroupMeta.GroupVersion = extensionsapiv1beta1.SchemeGroupVersion
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}
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return apiGroupInfo, true
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}
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func (p RESTStorageProvider) v1beta1Storage(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter genericapiserver.RESTOptionsGetter) map[string]rest.Storage {
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version := extensionsapiv1beta1.SchemeGroupVersion
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storage := map[string]rest.Storage{}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("horizontalpodautoscalers")) {
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hpaStorage, hpaStatusStorage := horizontalpodautoscaleretcd.NewREST(restOptionsGetter(extensions.Resource("horizontalpodautoscalers")))
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storage["horizontalpodautoscalers"] = hpaStorage
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storage["horizontalpodautoscalers/status"] = hpaStatusStorage
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controllerStorage := expcontrolleretcd.NewStorage(restOptionsGetter(api.Resource("replicationControllers")))
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storage["replicationcontrollers"] = controllerStorage.ReplicationController
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storage["replicationcontrollers/scale"] = controllerStorage.Scale
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("thirdpartyresources")) {
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thirdPartyResourceStorage := thirdpartyresourceetcd.NewREST(restOptionsGetter(extensions.Resource("thirdpartyresources")))
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storage["thirdpartyresources"] = thirdPartyResourceStorage
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("daemonsets")) {
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daemonSetStorage, daemonSetStatusStorage := daemonetcd.NewREST(restOptionsGetter(extensions.Resource("daemonsets")))
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storage["daemonsets"] = daemonSetStorage
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storage["daemonsets/status"] = daemonSetStatusStorage
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("deployments")) {
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deploymentStorage := deploymentetcd.NewStorage(restOptionsGetter(extensions.Resource("deployments")))
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storage["deployments"] = deploymentStorage.Deployment
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storage["deployments/status"] = deploymentStorage.Status
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storage["deployments/rollback"] = deploymentStorage.Rollback
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storage["deployments/scale"] = deploymentStorage.Scale
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("jobs")) {
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jobsStorage, jobsStatusStorage := jobetcd.NewREST(restOptionsGetter(extensions.Resource("jobs")))
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storage["jobs"] = jobsStorage
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storage["jobs/status"] = jobsStatusStorage
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("ingresses")) {
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ingressStorage, ingressStatusStorage := ingressetcd.NewREST(restOptionsGetter(extensions.Resource("ingresses")))
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storage["ingresses"] = ingressStorage
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storage["ingresses/status"] = ingressStatusStorage
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("podsecuritypolicy")) {
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podSecurityExtensionsStorage := pspetcd.NewREST(restOptionsGetter(extensions.Resource("podsecuritypolicy")))
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storage["podSecurityPolicies"] = podSecurityExtensionsStorage
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("replicasets")) {
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replicaSetStorage := replicasetetcd.NewStorage(restOptionsGetter(extensions.Resource("replicasets")))
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storage["replicasets"] = replicaSetStorage.ReplicaSet
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storage["replicasets/status"] = replicaSetStorage.Status
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storage["replicasets/scale"] = replicaSetStorage.Scale
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}
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if apiResourceConfigSource.ResourceEnabled(version.WithResource("networkpolicies")) {
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networkExtensionsStorage := networkpolicyetcd.NewREST(restOptionsGetter(extensions.Resource("networkpolicies")))
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storage["networkpolicies"] = networkExtensionsStorage
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}
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return storage
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}
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func (p RESTStorageProvider) PostStartHook() (string, genericapiserver.PostStartHookFunc, error) {
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return "extensions/third-party-resources", p.postStartHookFunc, nil
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}
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func (p RESTStorageProvider) postStartHookFunc(hookContext genericapiserver.PostStartHookContext) error {
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clientset, err := extensionsclient.NewForConfig(hookContext.LoopbackClientConfig)
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if err != nil {
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utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err))
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return nil
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}
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thirdPartyControl := ThirdPartyController{
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master: p.ResourceInterface,
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client: clientset,
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}
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go wait.Forever(func() {
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if err := thirdPartyControl.SyncResources(); err != nil {
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glog.Warningf("third party resource sync failed: %v", err)
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}
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}, 10*time.Second)
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return nil
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}
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