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Diffstat (limited to 'pyanaconda/storage/devicelibs/loop.py')
-rw-r--r-- | pyanaconda/storage/devicelibs/loop.py | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/pyanaconda/storage/devicelibs/loop.py b/pyanaconda/storage/devicelibs/loop.py deleted file mode 100644 index 8a4750cce..000000000 --- a/pyanaconda/storage/devicelibs/loop.py +++ /dev/null @@ -1,89 +0,0 @@ -# -# loop.py -# loop device functions -# -# Copyright (C) 2010 Red Hat, Inc. All rights reserved. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -# -# Author(s): David Lehman <dlehman@redhat.com> -# - -import os - -from .. import util -from ..errors import * - -import gettext -_ = lambda x: gettext.ldgettext("anaconda", x) - -import logging -log = logging.getLogger("storage") - - -def losetup(args, capture=False): - if capture: - exec_func = util.capture_output - else: - exec_func = util.run_program - - try: - # ask losetup what this loop device's backing device is - ret = exec_func(["losetup"] + args) - except OSError as e: - raise LoopError(e.strerror) - - return ret - -def get_backing_file(name): - path = "" - sys_path = "/sys/class/block/%s/loop/backing_file" % name - if os.access(sys_path, os.R_OK): - path = open(sys_path).read().strip() - - return path - -def get_loop_name(path): - args = ["-j", path] - buf = losetup(args, capture=True) - if len(buf.splitlines()) > 1: - # there should never be more than one loop device listed - raise LoopError("multiple loops associated with %s" % path) - - name = os.path.basename(buf.split(":")[0]) - return name - -def loop_setup(path): - args = ["-f", path] - msg = None - try: - msg = losetup(args) - except LoopError as e: - msg = str(e) - - if msg: - raise LoopError("failed to set up loop for %s: %s" % (path, msg)) - -def loop_teardown(path): - args = ["-d", path] - msg = None - try: - msg = losetup(args) - except LoopError as e: - msg = str(e) - - if msg: - raise DeviceError("failed to tear down loop %s: %s" % (path, msg)) - - |