github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-12-07 18:06:21 +00:00
Code Issues Projects Releases Wiki Activity

Add check for subpaths

Browse Source
This commit is contained in:
Hemant Kumar
2021-10-06 08:14:33 -04:00
parent c9baa14d70
commit 06e040de40
2 changed files with 29 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
pkg/volume/util/subpath/subpath_linux.go
View File

@@ -116,6 +116,13 @@ func prepareSubpathTarget(mounter mount.Interface, subpath Subpath) (bool, strin
return false, "", fmt.Errorf("error calling findMountInfo for %s: %s", bindPathTarget, err)
}
if mntInfo.Root != subpath.Path {
volumeMountInfo, err := linuxHostUtil.FindExactMountInfo(subpath.VolumePath)
if err == nil && mount.PathWithinBase(subpath.Path, subpath.VolumePath) &&
(volumeMountInfo.Major == mntInfo.Major && volumeMountInfo.Minor == mntInfo.Minor) {
klog.V(5).Infof("Skipping bind-mounting subpath %s, volumePath: %s, path: %s", bindPathTarget, subpath.VolumePath, subpath.Path)
return true, bindPathTarget, nil
}
// It's already mounted but not what we want, unmount it
if err = mounter.Unmount(bindPathTarget); err != nil {
return false, "", fmt.Errorf("error ummounting %s: %s", bindPathTarget, err)