mirror of
https://github.com/ceph/ceph-csi.git
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102 lines
4.2 KiB
Go
102 lines
4.2 KiB
Go
/*
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Copyright 2014 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 serviceaccount
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import (
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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"k8s.io/apiserver/pkg/registry/generic"
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"k8s.io/apiserver/pkg/storage/storagebackend"
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clientset "k8s.io/client-go/kubernetes"
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apiv1 "k8s.io/kubernetes/pkg/apis/core/v1"
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"k8s.io/kubernetes/pkg/registry/core/secret"
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secretstore "k8s.io/kubernetes/pkg/registry/core/secret/storage"
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serviceaccountregistry "k8s.io/kubernetes/pkg/registry/core/serviceaccount"
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serviceaccountstore "k8s.io/kubernetes/pkg/registry/core/serviceaccount/storage"
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"k8s.io/kubernetes/pkg/serviceaccount"
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)
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// clientGetter implements ServiceAccountTokenGetter using a clientset.Interface
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type clientGetter struct {
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client clientset.Interface
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}
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// NewGetterFromClient returns a ServiceAccountTokenGetter that
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// uses the specified client to retrieve service accounts and secrets.
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// The client should NOT authenticate using a service account token
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// the returned getter will be used to retrieve, or recursion will result.
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func NewGetterFromClient(c clientset.Interface) serviceaccount.ServiceAccountTokenGetter {
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return clientGetter{c}
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}
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func (c clientGetter) GetServiceAccount(namespace, name string) (*v1.ServiceAccount, error) {
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return c.client.CoreV1().ServiceAccounts(namespace).Get(name, metav1.GetOptions{})
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}
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func (c clientGetter) GetSecret(namespace, name string) (*v1.Secret, error) {
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return c.client.CoreV1().Secrets(namespace).Get(name, metav1.GetOptions{})
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}
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// registryGetter implements ServiceAccountTokenGetter using a service account and secret registry
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type registryGetter struct {
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serviceAccounts serviceaccountregistry.Registry
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secrets secret.Registry
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}
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// NewGetterFromRegistries returns a ServiceAccountTokenGetter that
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// uses the specified registries to retrieve service accounts and secrets.
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func NewGetterFromRegistries(serviceAccounts serviceaccountregistry.Registry, secrets secret.Registry) serviceaccount.ServiceAccountTokenGetter {
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return ®istryGetter{serviceAccounts, secrets}
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}
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func (r *registryGetter) GetServiceAccount(namespace, name string) (*v1.ServiceAccount, error) {
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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internalServiceAccount, err := r.serviceAccounts.GetServiceAccount(ctx, name, &metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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v1ServiceAccount := v1.ServiceAccount{}
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err = apiv1.Convert_core_ServiceAccount_To_v1_ServiceAccount(internalServiceAccount, &v1ServiceAccount, nil)
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return &v1ServiceAccount, err
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}
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func (r *registryGetter) GetSecret(namespace, name string) (*v1.Secret, error) {
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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internalSecret, err := r.secrets.GetSecret(ctx, name, &metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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v1Secret := v1.Secret{}
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err = apiv1.Convert_core_Secret_To_v1_Secret(internalSecret, &v1Secret, nil)
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return &v1Secret, err
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}
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// NewGetterFromStorageInterface returns a ServiceAccountTokenGetter that
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// uses the specified storage to retrieve service accounts and secrets.
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func NewGetterFromStorageInterface(
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saConfig *storagebackend.Config,
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saPrefix string,
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secretConfig *storagebackend.Config,
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secretPrefix string) serviceaccount.ServiceAccountTokenGetter {
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saOpts := generic.RESTOptions{StorageConfig: saConfig, Decorator: generic.UndecoratedStorage, ResourcePrefix: saPrefix}
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secretOpts := generic.RESTOptions{StorageConfig: secretConfig, Decorator: generic.UndecoratedStorage, ResourcePrefix: secretPrefix}
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return NewGetterFromRegistries(
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serviceaccountregistry.NewRegistry(serviceaccountstore.NewREST(saOpts)),
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secret.NewRegistry(secretstore.NewREST(secretOpts)),
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)
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}
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