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handle failed mounts for fc volumes

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This commit is contained in:
Yassine TIJANI 2017-08-09 16:04:18 +02:00
parent 6a0d3c7494
commit c02aeb7ec1
1 changed files with 24 additions and 2 deletions
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26
pkg/volume/fc/disk_manager.go
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@ -36,7 +36,6 @@ type diskManager interface {
// utility to mount a disk based filesystem
func diskSetUp(manager diskManager, b fcDiskMounter, volPath string, mounter mount.Interface, fsGroup *int64) error {
globalPDPath := manager.MakeGlobalPDName(*b.fcDisk)
// TODO: handle failed mounts here.
noMnt, err := mounter.IsLikelyNotMountPoint(volPath)
if err != nil && !os.IsNotExist(err) {
@ -57,7 +56,30 @@ func diskSetUp(manager diskManager, b fcDiskMounter, volPath string, mounter mou
}
err = mounter.Mount(globalPDPath, volPath, "", options)
if err != nil {
glog.Errorf("failed to bind mount:%s", globalPDPath)
glog.Errorf("Failed to bind mount: source:%s, target:%s, err:%v", globalPDPath, volPath, err)
noMnt, mntErr := b.mounter.IsLikelyNotMountPoint(volPath)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !noMnt {
if mntErr = b.mounter.Unmount(volPath); mntErr != nil {
glog.Errorf("Failed to unmount: %v", mntErr)
return err
}
noMnt, mntErr = b.mounter.IsLikelyNotMountPoint(volPath)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !noMnt {
// will most likely retry on next sync loop.
glog.Errorf("%s is still mounted, despite call to unmount(). Will try again next sync loop.", volPath)
return err
}
}
os.Remove(volPath)
return err
}