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#!/usr/bin/env python
# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2008 The University of Melbourne
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# Program: MountAllUsers
# Author: William Grant
# Date: 4/7/2008
# Script to UnionFS-mount jails for all users on the system.
# Requires root to run.
import sys
import os
import os.path
import optparse
import logging
import ivle.database
import ivle.conf
p = optparse.OptionParser()
p.add_option('--verbose', '-v', action='store_true')
p.add_option('--unmount', '-u', action='store_true')
options, arguments = p.parse_args()
if options.verbose:
logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s',
level=logging.DEBUG)
else:
logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s',
level=logging.WARNING)
if os.getuid() != 0:
print >> sys.stderr, "%s must be run as root" % \
os.path.basename(sys.argv[0])
sys.exit(1)
store = ivle.database.get_store()
users = store.find(ivle.database.User).order_by(ivle.database.User.login)
logging.info("mass aufs mount started")
for user in users:
login = user.login
# This is where we'll mount to...
destdir = os.path.join(ivle.conf.jail_base, login)
# ... and this is where we'll get the user bits.
srcdir = os.path.join(ivle.conf.jail_src_base, login)
try:
if not options.unmount:
if not os.path.exists(srcdir):
logging.info("user %s doesn't have a jail - skipping" % login)
continue
if not os.path.exists(destdir):
logging.debug("user %s had no mountpoint - creating" % login)
os.mkdir(destdir)
if os.system('/bin/mount -t aufs -o dirs=%s:%s=ro none %s'
% (srcdir,ivle.conf.jail_system,destdir)) == 0:
logging.info("mounted user %s's jail." % login)
else:
logging.error("failed to mount user %s's jail!" % login)
else:
os.system('/bin/umount ' + destdir)
logging.info("unmounted user %s's jail." % login)
except Exception, message:
logging.warning(str(message))
continue
logging.info("mount completed successfully")
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