mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-19 04:40:19 +00:00
63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
|
/*
|
||
|
|
Copyright 2014 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 credentialprovider
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sync"
|
||
|
|
|
||
|
|
"github.com/golang/glog"
|
||
|
|
)
|
||
|
|
|
||
|
|
// All registered credential providers.
|
||
|
|
var providersMutex sync.Mutex
|
||
|
|
var providers = make(map[string]DockerConfigProvider)
|
||
|
|
|
||
|
|
// RegisterCredentialProvider is called by provider implementations on
|
||
|
|
// initialization to register themselves, like so:
|
||
|
|
// func init() {
|
||
|
|
// RegisterCredentialProvider("name", &myProvider{...})
|
||
|
|
// }
|
||
|
|
func RegisterCredentialProvider(name string, provider DockerConfigProvider) {
|
||
|
|
providersMutex.Lock()
|
||
|
|
defer providersMutex.Unlock()
|
||
|
|
_, found := providers[name]
|
||
|
|
if found {
|
||
|
|
glog.Fatalf("Credential provider %q was registered twice", name)
|
||
|
|
}
|
||
|
|
glog.V(4).Infof("Registered credential provider %q", name)
|
||
|
|
providers[name] = provider
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewDockerKeyring creates a DockerKeyring to use for resolving credentials,
|
||
|
|
// which lazily draws from the set of registered credential providers.
|
||
|
|
func NewDockerKeyring() DockerKeyring {
|
||
|
|
keyring := &lazyDockerKeyring{
|
||
|
|
Providers: make([]DockerConfigProvider, 0),
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO(mattmoor): iterating over the map is non-deterministic. We should
|
||
|
|
// introduce the notion of priorities for conflict resolution.
|
||
|
|
for name, provider := range providers {
|
||
|
|
if provider.Enabled() {
|
||
|
|
glog.V(4).Infof("Registering credential provider: %v", name)
|
||
|
|
keyring.Providers = append(keyring.Providers, provider)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return keyring
|
||
|
|
}
|