kubernetes/pkg/util/mount/mount_unsupported.go
Kubernetes Submit Queue f34a24e98e
Merge pull request #52401 from andyzhangx/azuredisk-getdevfunc
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

fix warning messages due to GetMountRefs func not implemented in windows

**What this PR does / why we need it**:
This PR completes the windows implementation of GetMountRefs in mount.go. In linux, the GetMountRefs implementaion is: read `/proc/mounts` and find all mount points, while in Windows, there is no such `/proc/mounts` place which shows all mounting points. 
There is another way in windows, **we could walk through(by `getAllParentLinks` func) the mount path(symbolic link) and get all symlinks until we got the final device, which is actually a drive**.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #54670
This PR fixed the warnning issue mentioned in https://github.com/kubernetes/kubernetes/pull/51252

**Special notes for your reviewer**:
Some values in the code would be like follwoing:
```
GetMountRefs: mountPath ("\\var\\lib\\kubelet\\pods/4c74b128-92ca-11e7-b86b-000d3a36d70c/volumes/kubernetes.io~azure-disk/pvc-1cc91c70-92ca-11e7-b86b-000d3a36d70c")
getAllParentLinks: refs (["" "" "c:\\var\\lib\\kubelet\\plugins\\kubernetes.io\\azure-disk\\mounts\\b1246717734" "G:\\"])
basemountPath c:\var\lib\kubelet\plugins\kubernetes.io\azure-disk\mounts
got volumeID b1246717734
```

**Release note**:

```
fix warning messages due to GetMountRefs func not implemented in windows
```
2017-10-27 20:28:36 -07:00

111 lines
2.8 KiB
Go

// +build !linux,!windows
/*
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 mount
import (
"errors"
)
type Mounter struct {
mounterPath string
}
// New returns a mount.Interface for the current system.
// It provides options to override the default mounter behavior.
// mounterPath allows using an alternative to `/bin/mount` for mounting.
func New(mounterPath string) Interface {
return &Mounter{
mounterPath: mounterPath,
}
}
func (mounter *Mounter) Mount(source string, target string, fstype string, options []string) error {
return nil
}
func (mounter *Mounter) Unmount(target string) error {
return nil
}
// GetMountRefs finds all other references to the device referenced
// by mountPath; returns a list of paths.
func GetMountRefs(mounter Interface, mountPath string) ([]string, error) {
return []string{}, nil
}
func (mounter *Mounter) List() ([]MountPoint, error) {
return []MountPoint{}, nil
}
func (mounter *Mounter) IsMountPointMatch(mp MountPoint, dir string) bool {
return (mp.Path == dir)
}
func (mounter *Mounter) IsNotMountPoint(dir string) (bool, error) {
return IsNotMountPoint(mounter, dir)
}
func (mounter *Mounter) IsLikelyNotMountPoint(file string) (bool, error) {
return true, nil
}
func (mounter *Mounter) GetDeviceNameFromMount(mountPath, pluginDir string) (string, error) {
return "", nil
}
func getDeviceNameFromMount(mounter Interface, mountPath, pluginDir string) (string, error) {
return "", nil
}
func (mounter *Mounter) DeviceOpened(pathname string) (bool, error) {
return false, nil
}
func (mounter *Mounter) PathIsDevice(pathname string) (bool, error) {
return true, nil
}
func (mounter *Mounter) MakeRShared(path string) error {
return nil
}
func (mounter *SafeFormatAndMount) formatAndMount(source string, target string, fstype string, options []string) error {
return nil
}
func (mounter *SafeFormatAndMount) diskLooksUnformatted(disk string) (bool, error) {
return true, nil
}
func (mounter *Mounter) GetFileType(pathname string) (FileType, error) {
return FileType("fake"), errors.New("not implemented")
}
func (mounter *Mounter) MakeDir(pathname string) error {
return nil
}
func (mounter *Mounter) MakeFile(pathname string) error {
return nil
}
func (mounter *Mounter) ExistsPath(pathname string) bool {
return true
}