mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-22 04:50:23 +00:00
dbbca6ebf8
update controller-runtime to latest release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
/*
|
|
Copyright 2020 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 controller
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
|
|
"k8s.io/apimachinery/pkg/util/sets"
|
|
)
|
|
|
|
var nameLock sync.Mutex
|
|
var usedNames sets.Set[string]
|
|
|
|
func checkName(name string) error {
|
|
nameLock.Lock()
|
|
defer nameLock.Unlock()
|
|
if usedNames == nil {
|
|
usedNames = sets.Set[string]{}
|
|
}
|
|
|
|
if usedNames.Has(name) {
|
|
return fmt.Errorf("controller with name %s already exists. Controller names must be unique to avoid multiple controllers reporting to the same metric", name)
|
|
}
|
|
|
|
usedNames.Insert(name)
|
|
|
|
return nil
|
|
}
|