1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/usr/bin/python
# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2009 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
import optparse
import os
import sys
import shutil
import ivle.conf
import ivle.config
import ivle.jailbuilder.debian
usage = """usage: %prog [options]
(requires root)
Builds or updates the base IVLE jail."""
conf = ivle.config.Config()
build_path = ivle.conf.jail_system_build
# Parse arguments
parser = optparse.OptionParser(usage)
parser.add_option("-r", "--recreate",
action="store_true", dest="recreate",
help='''Completely recreate the jail - don't just update its IVLE code.
Be warned, this may download hundreds of megabytes!''')
parser.add_option("-u", "--upgrade",
action="store_true", dest="upgrade",
help='''Apply any package updates in the jail.''')
parser.add_option("-m", "--mirror",
action="store", dest="apt_mirror",
help="Sets the apt mirror.", default="http://archive.ubuntu.com/ubuntu")
(options, args) = parser.parse_args(sys.argv)
if os.geteuid() != 0:
print >> sys.stderr, "Must be root to run buildjail."
sys.exit(1)
if not options.recreate and not os.path.exists(build_path):
print >> sys.stderr, "No jail exists -- please rerun with -r."
sys.exit(1)
if options.recreate:
options.upgrade = True
# Create the jail and its subdirectories
# Note: Other subdirs will be made by copying files
if options.apt_mirror is not None:
os.environ['MIRROR'] = options.apt_mirror
os.system('rm -rf --one-file-system ' + build_path)
ivle.jailbuilder.debian.debootstrap_create_jail(conf['jail']['suite'],
build_path, mirror=options.apt_mirror)
ivle.jailbuilder.debian.apt_update_cache(build_path)
ivle.jailbuilder.debian.apt_install(build_path,
['python2.5', 'python-cjson', 'python-svn'])
ivle.jailbuilder.debian.apt_clean(build_path)
if options.upgrade:
# Run apt-get update, apt-get upgrade and apt-get clean.
ivle.jailbuilder.debian.mangle_sources_list(build_path, clobber=True)
ivle.jailbuilder.debian.mangle_sources_list(build_path, lines=[
'deb %s %s%s %s' % (options.apt_mirror, conf['jail']['suite'],
pocket, ' '.join(['main', 'universe']))
for pocket in ('', '-updates', '-security')])
# Add any extra site apt sources.
if conf['jail']['extra_sources']:
ivle.jailbuilder.debian.mangle_sources_list(build_path,
conf['jail']['extra_sources'])
# Add any extra site apt keys.
if conf['jail']['extra_keys']:
ivle.jailbuilder.debian.apt_add_key(build_path,
conf['jail']['extra_keys'])
ivle.jailbuilder.debian.apt_update_cache(build_path)
ivle.jailbuilder.debian.apt_upgrade(build_path)
# Install any extra site packages.
if conf['jail']['extra_packages']:
ivle.jailbuilder.debian.apt_install(build_path,
conf['jail']['extra_packages'])
ivle.jailbuilder.debian.apt_clean(build_path)
if conf['jail']['devmode']:
# Copy all console and operating system files into the jail
services_path = os.path.join(ivle.conf.share_path, 'services')
jail_services_path = os.path.join(build_path, services_path[1:])
if os.path.exists(jail_services_path):
shutil.rmtree(jail_services_path)
shutil.copytree(services_path, jail_services_path)
# Also copy the IVLE lib directory into the jail
# This is necessary for running certain services
ivle_site_packages = os.path.join(ivle.conf.python_site_packages, 'ivle')
jail_site_packages = os.path.join(build_path, ivle_site_packages[1:])
if os.path.exists(jail_site_packages):
shutil.rmtree(jail_site_packages)
shutil.copytree(ivle_site_packages, jail_site_packages)
# IMPORTANT: ivle/conf/conf.py contains details which could compromise security
# if left in the jail (such as the DB password). We delete it now! It would be
# shadowed by the per-user conf.py anyway, but it's best to be safe.
os.unlink(os.path.join(jail_site_packages, 'conf/conf.py'))
# XXX: Shouldn't copy the compiled files at all, but compile them in the jail!
os.unlink(os.path.join(jail_site_packages, 'conf/conf.pyc'))
if os.spawnvp(os.P_WAIT, 'rsync', ['rsync', '-a', '--delete',
build_path + '/', ivle.conf.jail_system]) != 0:
print >> sys.stderr, "Jail copying failed."
sys.exit(1)
|