mirror of https://github.com/k3s-io/k3s
42 lines
1.3 KiB
Go
42 lines
1.3 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 controllers
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"k8s.io/klog"
|
|
|
|
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
|
|
"k8s.io/client-go/tools/cache"
|
|
)
|
|
|
|
// WaitForCacheSync is a wrapper around cache.WaitForCacheSync that generates log messages
|
|
// indicating that the controller identified by controllerName is waiting for syncs, followed by
|
|
// either a successful or failed sync.
|
|
func WaitForCacheSync(controllerName string, stopCh <-chan struct{}, cacheSyncs ...cache.InformerSynced) bool {
|
|
klog.Infof("Waiting for caches to sync for %s controller", controllerName)
|
|
|
|
if !cache.WaitForCacheSync(stopCh, cacheSyncs...) {
|
|
utilruntime.HandleError(fmt.Errorf("Unable to sync caches for %s controller", controllerName))
|
|
return false
|
|
}
|
|
|
|
klog.Infof("Caches are synced for %s controller", controllerName)
|
|
return true
|
|
}
|