mirror of https://github.com/k3s-io/k3s
76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
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/*
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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 rolebinding
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import (
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"context"
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rbacv1 "k8s.io/api/rbac/v1"
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metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/kubernetes/pkg/apis/rbac"
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rbacv1helpers "k8s.io/kubernetes/pkg/apis/rbac/v1"
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)
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// Registry is an interface for things that know how to store RoleBindings.
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type Registry interface {
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ListRoleBindings(ctx context.Context, options *metainternalversion.ListOptions) (*rbacv1.RoleBindingList, error)
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}
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// storage puts strong typing around storage calls
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type storage struct {
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rest.Lister
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}
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// NewRegistry returns a new Registry interface for the given Storage. Any mismatched
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// types will panic.
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func NewRegistry(s rest.StandardStorage) Registry {
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return &storage{s}
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}
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func (s *storage) ListRoleBindings(ctx context.Context, options *metainternalversion.ListOptions) (*rbacv1.RoleBindingList, error) {
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obj, err := s.List(ctx, options)
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if err != nil {
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return nil, err
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}
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ret := &rbacv1.RoleBindingList{}
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if err := rbacv1helpers.Convert_rbac_RoleBindingList_To_v1_RoleBindingList(obj.(*rbac.RoleBindingList), ret, nil); err != nil {
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return nil, err
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}
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return ret, nil
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}
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// AuthorizerAdapter adapts the registry to the authorizer interface
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type AuthorizerAdapter struct {
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Registry Registry
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}
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func (a AuthorizerAdapter) ListRoleBindings(namespace string) ([]*rbacv1.RoleBinding, error) {
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list, err := a.Registry.ListRoleBindings(genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace), &metainternalversion.ListOptions{})
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if err != nil {
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return nil, err
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}
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ret := []*rbacv1.RoleBinding{}
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for i := range list.Items {
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ret = append(ret, &list.Items[i])
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}
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return ret, nil
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}
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