Let GPFS driver to rename snapshot with root permission

Deleting GPFS volume snapshot operation fails, because cinder
volume is not running with root permission.

Change-Id: Id00357030da171fddbc6abf82603ceabe4db73ff
Closes-Bug: #1242549

diff --git a/cinder/volume/drivers/gpfs.py b/cinder/volume/drivers/gpfs.py
index f7f3ddd8ec1bcefca7b8d949ccd8df561e3d0ee2..a2b01c3871fa95d6fe17d3c2f2659203adf4dfcc 100644 (file)
--- a/cinder/volume/drivers/gpfs.py
+++ b/cinder/volume/drivers/gpfs.py
@@ -397,7 +397,7 @@ class GPFSDriver(driver.VolumeDriver):
         # snapshots will also be deleted.
         snapshot_path = self.local_path(snapshot)
         snapshot_ts_path = '%s.ts' % snapshot_path
-        os.rename(snapshot_path, snapshot_ts_path)
+        self._execute('mv', snapshot_path, snapshot_ts_path, run_as_root=True)
         self._execute('rm', '-f', snapshot_ts_path,
                       check_exit_code=False, run_as_root=True)