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policy.go
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policy.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package storage
import (
"context"
"tkestack.io/tke/pkg/auth/util"
"k8s.io/apimachinery/pkg/fields"
metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apiserver/pkg/registry/rest"
"tkestack.io/tke/api/auth"
authinternalclient "tkestack.io/tke/api/client/clientset/internalversion/typed/auth/internalversion"
"tkestack.io/tke/pkg/apiserver/authentication"
"tkestack.io/tke/pkg/util/log"
)
// PolicyREST implements the REST endpoint, list policies bound to the user.
type PolicyREST struct {
authClient authinternalclient.AuthInterface
}
var _ = rest.Lister(&PolicyREST{})
var _ = rest.Getter(&PolicyREST{})
// NewList returns an empty object that can be used with the List call.
func (r *PolicyREST) NewList() runtime.Object {
return &auth.PolicyList{}
}
// New returns an empty object that can be used with Create after request data
// has been put into it.
func (r *PolicyREST) New() runtime.Object {
return &auth.Policy{}
}
// ConvertToTable converts objects to metav1.Table objects using default table
// convertor.
func (r *PolicyREST) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
// TODO: convert role list to table
tableConvertor := rest.NewDefaultTableConvertor(auth.Resource("policies"))
return tableConvertor.ConvertToTable(ctx, object, tableOptions)
}
// Get finds a resource in the storage by name and returns it.
func (r *PolicyREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
pol, err := r.authClient.Policies().Get(ctx, name, metav1.GetOptions{})
if err != nil {
log.Error("Get policy failed ", log.String("policy", name), log.Err(err))
return nil, err
}
if err := util.FilterPolicy(ctx, pol); err != nil {
return nil, err
}
return pol, nil
}
// List selects resources in the storage which match to the selector. 'options' can be nil.
func (r *PolicyREST) List(ctx context.Context, options *metainternalversion.ListOptions) (runtime.Object, error) {
fieldSelector := fields.Nothing()
_, tenantID := authentication.UsernameAndTenantID(ctx)
if tenantID != "" {
fieldSelector = fields.AndSelectors(fieldSelector,
fields.OneTermEqualSelector("spec.tenantID", tenantID),
)
}
fieldSelector = fields.AndSelectors(
fieldSelector,
fields.OneTermEqualSelector("spec.scope", string(auth.PolicyProject)))
listOpts := metav1.ListOptions{
FieldSelector: fieldSelector.String(),
}
policyList, err := r.authClient.Policies().List(ctx, listOpts)
if err != nil {
log.Error("List projected policy failed", log.String("selector", listOpts.FieldSelector), log.Err(err))
return nil, err
}
return policyList, nil
}