def test_backup_offline(self):
"""
Backup service offline, delete files, restore and check.
"""
ntacls.backup_offline(self.service_root, self.tarfile_path,
self.samdb_conn, self.smb_conf_path)
self._check_tarfile()
self.smb_helper.delete_tree()
ntacls.backup_restore(self.tarfile_path, self.service_root,
self.samdb_conn, self.smb_conf_path)
self._check_tree()
# compare ntacls after restored
self.assertDictEqual(self.original_ntacls,
self.smb_helper.get_ntacls())
def test_backup_offline(self):
"""
Backup service offline, delete files, restore and check.
"""
ntacls.backup_offline(
self.service_root, self.tarfile_path,
self.samdb_conn, self.smb_conf_path)
self._check_tarfile()
self.smb_helper.delete_tree()
ntacls.backup_restore(
self.tarfile_path, self.service_root,
self.samdb_conn, self.smb_conf_path)
self._check_tree()
# compare ntacls after restored
self.assertDictEqual(
self.original_ntacls, self.smb_helper.get_ntacls())
def run(self, sambaopts=None, targetdir=None):
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
logger.addHandler(logging.StreamHandler(sys.stdout))
# Get the absolute paths of all the directories we're going to backup
lp = sambaopts.get_loadparm()
paths = samba.provision.provision_paths_from_lp(lp, lp.get('realm'))
if not (paths.samdb and os.path.exists(paths.samdb)):
raise CommandError('No sam.db found. This backup ' +
'tool is only for AD DCs')
check_targetdir(logger, targetdir)
samdb = SamDB(url=paths.samdb, session_info=system_session(), lp=lp)
sid = get_sid_for_restore(samdb)
backup_dirs = [
paths.private_dir, paths.state_dir,
os.path.dirname(paths.smbconf)
] # etc dir
logger.info('running backup on dirs: {}'.format(backup_dirs))
# Recursively get all file paths in the backup directories
all_files = []
for backup_dir in backup_dirs:
for (working_dir, _, filenames) in os.walk(backup_dir):
if working_dir.startswith(paths.sysvol):
continue
for filename in filenames:
if filename in all_files:
continue
# Assume existing backup files are from a previous backup.
# Delete and ignore.
if filename.endswith(self.backup_ext):
os.remove(os.path.join(working_dir, filename))
continue
all_files.append(os.path.join(working_dir, filename))
# Backup secrets, sam.ldb and their downstream files
self.backup_secrets(paths.private_dir, lp, logger)
self.backup_smb_dbs(paths.private_dir, samdb, lp, logger)
# Open the new backed up samdb, flag it as backed up, and write
# the next SID so the restore tool can add objects.
# WARNING: Don't change this code unless you know what you're doing.
# Writing to a .bak file only works because the DN being
# written to happens to be top level.
samdb = SamDB(url=paths.samdb + self.backup_ext,
session_info=system_session(),
lp=lp)
time_str = get_timestamp()
add_backup_marker(samdb, "backupDate", time_str)
add_backup_marker(samdb, "sidForRestore", sid)
# Now handle all the LDB and TDB files that are not linked to
# anything else. Use transactions for LDBs.
for path in all_files:
if not os.path.exists(path + self.backup_ext):
if path.endswith('.ldb'):
logger.info('Starting transaction on solo db: ' + path)
ldb_obj = Ldb(path, lp=lp)
ldb_obj.transaction_start()
logger.info(' running tdbbackup on the same file')
self.offline_tdb_copy(path)
ldb_obj.transaction_cancel()
elif path.endswith('.tdb'):
logger.info('running tdbbackup on lone tdb file ' + path)
self.offline_tdb_copy(path)
# Now make the backup tar file and add all
# backed up files and any other files to it.
temp_tar_dir = tempfile.mkdtemp(dir=targetdir,
prefix='INCOMPLETEsambabackupfile')
temp_tar_name = os.path.join(temp_tar_dir, "samba-backup.tar.bz2")
tar = tarfile.open(temp_tar_name, 'w:bz2')
logger.info('running offline ntacl backup of sysvol')
sysvol_tar_fn = 'sysvol.tar.gz'
sysvol_tar = os.path.join(temp_tar_dir, sysvol_tar_fn)
backup_offline(paths.sysvol, sysvol_tar, samdb, paths.smbconf)
tar.add(sysvol_tar, sysvol_tar_fn)
os.remove(sysvol_tar)
create_log_file(temp_tar_dir, lp, "offline", "localhost", True)
backup_fn = os.path.join(temp_tar_dir, "backup.txt")
tar.add(backup_fn, os.path.basename(backup_fn))
os.remove(backup_fn)
logger.info('building backup tar')
for path in all_files:
arc_path = self.get_arc_path(path, paths)
if os.path.exists(path + self.backup_ext):
logger.info(' adding backup ' + arc_path + self.backup_ext +
' to tar and deleting file')
tar.add(path + self.backup_ext, arcname=arc_path)
os.remove(path + self.backup_ext)
elif path.endswith('.ldb') or path.endswith('.tdb'):
logger.info(' skipping ' + arc_path)
else:
logger.info(' adding misc file ' + arc_path)
tar.add(path, arcname=arc_path)
tar.close()
os.rename(
temp_tar_name,
os.path.join(targetdir,
'samba-backup-{}.tar.bz2'.format(time_str)))
os.rmdir(temp_tar_dir)
logger.info('Backup succeeded.')