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| author | Jesse Andrews <anotherjesse@gmail.com> | 2011-04-13 17:19:25 +0000 |
|---|---|---|
| committer | Tarmac <> | 2011-04-13 17:19:25 +0000 |
| commit | 5c9cfbd4aab55ac755cbfcd24922c2e883bcbe8b (patch) | |
| tree | aeb02a0df5d671800de903935335050438587c51 /nova/volume | |
| parent | ff39c824f46513621383a2ebdbc0ff1427fe7d8e (diff) | |
| parent | 7206aa7af5f7d945ce9dfeff8de786bfd416ab21 (diff) | |
| download | nova-5c9cfbd4aab55ac755cbfcd24922c2e883bcbe8b.tar.gz nova-5c9cfbd4aab55ac755cbfcd24922c2e883bcbe8b.tar.xz nova-5c9cfbd4aab55ac755cbfcd24922c2e883bcbe8b.zip | |
Zero out volumes during deletion to prevent data leaking between users
Diffstat (limited to 'nova/volume')
| -rw-r--r-- | nova/volume/driver.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 85ff17708..55307ad9b 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -112,6 +112,12 @@ class VolumeDriver(object): # If the volume isn't present, then don't attempt to delete return True + # zero out old volumes to prevent data leaking between users + # TODO(ja): reclaiming space should be done lazy and low priority + self._execute('sudo', 'dd', 'if=/dev/zero', + 'of=%s' % self.local_path(volume), + 'count=%d' % (volume['size'] * 1024), + 'bs=1M') self._try_execute('sudo', 'lvremove', '-f', "%s/%s" % (FLAGS.volume_group, volume['name'])) |