~azzar1/unity/add-show-desktop-key

#!/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: RemakeAllUsers

# Author:  Matt Giuca

# Date:    3/3/2008

# Script to rebuild jails for all users on the system.

# Requires root to run.

import sys

import os

import common.db

import os.path

import pwd

import conf

import common.makeuser

import optparse

import shutil

import logging

p = optparse.OptionParser()

p.add_option('--incremental', '-i', action='store_true')

p.add_option('--verbose', '-v', action='store_true')

options, arguments = p.parse_args()

if options.verbose:

    logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s',

                        level=logging.DEBUG)

if os.getuid() != 0:

    print >> sys.stderr, "%s must be run as root" % sys.argv[0]

    sys.exit(1)

try:

    db = common.db.DB()

    list = db.get_users()

    res = db.get_all('login', ['login', 'unixid'])

    def repack(flds):

        return (flds['login'], flds['unixid'])

    uids = dict(map(repack,res))

except Exception, message:

    logging.error(str(message))

    sys.exit(1)

# First check that our __templateuser__ directory exits, if not create it

templateuserdir = os.path.join(conf.jail_base, '__templateuser__')

stagingdir = templatedir = os.path.join(conf.jail_base, '__staging__')

if not os.path.isdir(templateuserdir):

    os.mkdir(templateuserdir)

# Generate manifest of files that differ between template user and staging

if options.incremental:

    logging.info("incremental rebuild started")

    manifest = common.makeuser.generate_manifest(stagingdir, templateuserdir)

    logging.debug("generated change manifest")

    logging.debug("  adding/updating: %s" % manifest[0])

    logging.debug("  removing: %s" % manifest[1])

else:

    # Force a full rebuild

    logging.info("full rebuild started")

    manifest = None

list.sort(key=lambda user: user.login)

for user in list:

    login = user.login

    try:

        # Resolve the user's login into a UID

        # Create the user if it does not exist

        try:

            uid = uids[login]

        except KeyError:

            raise Exception("user %s does not have a unixid in the database"

                % login)

        # Remake the user's jail

        common.makeuser.make_jail(login, uid, manifest=manifest)

    except Exception, message:

        logging.warning(str(message))

        continue

    logging.debug("recreated user %s's jail." % login)

# Update the template user directory

logging.debug("updating templateuser directory")

shutil.rmtree(templateuserdir)

#common.makeuser.linktree(stagingdir, templateuserdir)

common.makeuser.make_jail('__templateuser__', 0, manifest=manifest)

shutil.rmtree(os.path.join(templateuserdir, 'home'))

logging.info("rebuild completed successfully")