mirror of https://github.com/kubernetes/kops.git
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
/*
|
|
Copyright 2017 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 acls
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync"
|
|
|
|
"k8s.io/kops/pkg/apis/kops"
|
|
"k8s.io/kops/util/pkg/vfs"
|
|
)
|
|
|
|
var (
|
|
strategies map[string]ACLStrategy
|
|
strategiesMutex sync.Mutex
|
|
)
|
|
|
|
// GetACL returns the ACL for the vfs.Path, by consulting all registered strategies
|
|
func GetACL(ctx context.Context, p vfs.Path, cluster *kops.Cluster) (vfs.ACL, error) {
|
|
strategiesMutex.Lock()
|
|
defer strategiesMutex.Unlock()
|
|
|
|
for k, strategy := range strategies {
|
|
acl, err := strategy.GetACL(ctx, p, cluster)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error from acl provider %q: %w", k, err)
|
|
}
|
|
if acl != nil {
|
|
return acl, nil
|
|
}
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
// RegisterPlugin adds the strategy to the registered strategies
|
|
func RegisterPlugin(key string, strategy ACLStrategy) {
|
|
strategiesMutex.Lock()
|
|
defer strategiesMutex.Unlock()
|
|
|
|
if strategies == nil {
|
|
strategies = make(map[string]ACLStrategy)
|
|
}
|
|
|
|
strategies[key] = strategy
|
|
}
|