542f2dc708
This commit adds a new volume manager in kubelet that synchronizes volume mount/unmount (and attach/detach, if attach/detach controller is not enabled). This eliminates the race conditions between the pod creation loop and the orphaned volumes loops. It also removes the unmount/detach from the `syncPod()` path so volume clean up never blocks the `syncPod` loop.
83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 persistentvolume
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import (
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"fmt"
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"net"
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"k8s.io/kubernetes/pkg/api"
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clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
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"k8s.io/kubernetes/pkg/cloudprovider"
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"k8s.io/kubernetes/pkg/types"
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"k8s.io/kubernetes/pkg/util/io"
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"k8s.io/kubernetes/pkg/util/mount"
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vol "k8s.io/kubernetes/pkg/volume"
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)
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// VolumeHost interface implementation for PersistentVolumeController.
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var _ vol.VolumeHost = &PersistentVolumeController{}
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func (ctrl *PersistentVolumeController) GetPluginDir(pluginName string) string {
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return ""
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}
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func (ctrl *PersistentVolumeController) GetPodVolumeDir(podUID types.UID, pluginName string, volumeName string) string {
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return ""
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}
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func (ctrl *PersistentVolumeController) GetPodPluginDir(podUID types.UID, pluginName string) string {
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return ""
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}
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func (ctrl *PersistentVolumeController) GetKubeClient() clientset.Interface {
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return ctrl.kubeClient
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}
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func (ctrl *PersistentVolumeController) NewWrapperMounter(volName string, spec vol.Spec, pod *api.Pod, opts vol.VolumeOptions) (vol.Mounter, error) {
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return nil, fmt.Errorf("PersistentVolumeController.NewWrapperMounter is not implemented")
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}
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func (ctrl *PersistentVolumeController) NewWrapperUnmounter(volName string, spec vol.Spec, podUID types.UID) (vol.Unmounter, error) {
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return nil, fmt.Errorf("PersistentVolumeController.NewWrapperMounter is not implemented")
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}
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func (ctrl *PersistentVolumeController) GetCloudProvider() cloudprovider.Interface {
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return ctrl.cloud
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}
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func (ctrl *PersistentVolumeController) GetMounter() mount.Interface {
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return nil
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}
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func (ctrl *PersistentVolumeController) GetWriter() io.Writer {
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return nil
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}
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func (ctrl *PersistentVolumeController) GetHostName() string {
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return ""
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}
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func (ctrl *PersistentVolumeController) GetHostIP() (net.IP, error) {
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return nil, fmt.Errorf("PersistentVolumeController.GetHostIP() is not implemented")
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}
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func (ctrl *PersistentVolumeController) GetRootContext() string {
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return ""
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}
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