mirror of https://github.com/k3s-io/k3s
74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package volumebinder
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import (
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"time"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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coreinformers "k8s.io/client-go/informers/core/v1"
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storageinformers "k8s.io/client-go/informers/storage/v1"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/util/workqueue"
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"k8s.io/kubernetes/pkg/controller/volume/persistentvolume"
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)
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// VolumeBinder sets up the volume binding library and manages
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// the volume binding operations with a queue.
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type VolumeBinder struct {
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Binder persistentvolume.SchedulerVolumeBinder
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BindQueue *workqueue.Type
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}
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// NewVolumeBinder sets up the volume binding library and binding queue
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func NewVolumeBinder(
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client clientset.Interface,
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pvcInformer coreinformers.PersistentVolumeClaimInformer,
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pvInformer coreinformers.PersistentVolumeInformer,
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storageClassInformer storageinformers.StorageClassInformer) *VolumeBinder {
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return &VolumeBinder{
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Binder: persistentvolume.NewVolumeBinder(client, pvcInformer, pvInformer, storageClassInformer),
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BindQueue: workqueue.NewNamed("podsToBind"),
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}
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}
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// NewFakeVolumeBinder sets up a fake volume binder and binding queue
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func NewFakeVolumeBinder(config *persistentvolume.FakeVolumeBinderConfig) *VolumeBinder {
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return &VolumeBinder{
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Binder: persistentvolume.NewFakeVolumeBinder(config),
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BindQueue: workqueue.NewNamed("podsToBind"),
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}
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}
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// Run starts a goroutine to handle the binding queue with the given function.
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func (b *VolumeBinder) Run(bindWorkFunc func(), stopCh <-chan struct{}) {
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go wait.Until(bindWorkFunc, time.Second, stopCh)
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<-stopCh
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b.BindQueue.ShutDown()
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}
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// DeletePodBindings will delete the cached volume bindings for the given pod.
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func (b *VolumeBinder) DeletePodBindings(pod *v1.Pod) {
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cache := b.Binder.GetBindingsCache()
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if cache != nil && pod != nil {
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cache.DeleteBindings(pod)
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}
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}
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