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| -rw-r--r-- | cloudinit/mounting.py | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/cloudinit/mounting.py b/cloudinit/mounting.py deleted file mode 100644 index b78cb5bd..00000000 --- a/cloudinit/mounting.py +++ /dev/null @@ -1,73 +0,0 @@ -# vi: ts=4 expandtab -# -# Copyright (C) 2012 Canonical Ltd. -# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. -# Copyright (C) 2012 Yahoo! Inc. -# -# Author: Scott Moser <scott.moser@canonical.com> -# Author: Juerg Haefliger <juerg.haefliger@hp.com> -# Author: Joshua Harlow <harlowja@yahoo-inc.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 3, as -# published by the Free Software Foundation. -# -# 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/>. - -import contextlib - -from cloudinit import util - - -class MountFailedError(Exception): - pass - - -@contextlib.contextmanager -def unmounter(umount): - try: - yield umount - finally: - if umount: - sh.subp(["umount", '-l', umount]) - - -def mount_callback_umount(device, callback, data=None): - """ - mount the device, call method 'callback' passing the directory - in which it was mounted, then unmount. Return whatever 'callback' - returned. If data != None, also pass data to callback. - """ - - # go through mounts to see if it was already mounted - mounts = sh.load_file("/proc/mounts").splitlines() - mounted = {} - for mpline in mounts: - (dev, mp, fstype, _opts, _freq, _passno) = mpline.split() - mp = mp.replace("\\040", " ") - mounted[dev] = (dev, fstype, mp, False) - - with util.tempdir() as tmpd: - umount = False - if device in mounted: - mountpoint = "%s/" % mounted[device][2] - else: - try: - mountcmd = ["mount", "-o", "ro", device, tmpd] - util.subp(mountcmd) - umount = tmpd - except IOError as exc: - raise MountFailedError("%s" % (exc)) - mountpoint = "%s/" % tmpd - with unmounter(umount): - if data is None: - ret = callback(mountpoint) - else: - ret = callback(mountpoint, data) - return ret |