summaryrefslogtreecommitdiffstats
path: root/pyanaconda/storage/devicelibs/loop.py
diff options
context:
space:
mode:
Diffstat (limited to 'pyanaconda/storage/devicelibs/loop.py')
-rw-r--r--pyanaconda/storage/devicelibs/loop.py89
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))
-
-