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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
#!/usr/bin/python3.2
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
import argparse
import configparser
import os
import sys
import shutil
import glob
import subprocess
# TODO:
# - lockfile handling
# - debootstrap-options from config
def main():
## Parsing Arguments
arguments = argparse.ArgumentParser(
prog = 'lb bootstrap_debootstrap',
usage = '%(prog)s [arguments]',
description = '''live-build contains the programs to build a live system from a configuration directory.
The lb bootstrap_debootstrap program bootstraps the chroot system with debootstrap.''',
epilog = 'See \'man lb_bootstrap_debootstrap\' for more information.',
version = 'live-build 4.0',
formatter_class = argparse.ArgumentDefaultsHelpFormatter
)
arguments.add_argument('--verbose', help='set verbose option', action='store_true')
arguments.add_argument('--debootstrap-options', help='set debootstrap(8) options' )
args = arguments.parse_args()
## Parsing Configuration
if not os.path.isfile('config/build'):
print('E: config/build - no such file', file=sys.stderr)
sys.exit(1)
config = configparser.ConfigParser()
config.read('config/build')
try:
architecture = config.get('Image', 'Architecture')
archive_areas = config.get('Image', 'Parent-Archive-Areas')
distribution = config.get('Image', 'Parent-Distribution')
mirror_bootstrap = config.get('Image', 'Parent-Mirror-Bootstrap')
except:
archive_areas = config.get('Image', 'Archive-Areas')
distribution = config.get('Image', 'Distribution')
mirror_bootstrap = config.get('Image', 'Mirror-Bootstrap')
# --verbose
verbose = args.verbose
# --debootstrap-options
debootstrap_options_late = distribution + ' chroot ' + mirror_bootstrap
debootstrap_options_early = ''
if (architecture) and (not architecture == 'auto'):
debootstrap_options_early = debootstrap_options_early + ' --arch=' + architecture
if (archive_areas) and (not archive_areas == 'main'):
debootstrap_options_early = debootstrap_options_early + ' --components=' + archive_areas.replace(' ',',')
if args.debootstrap_options:
debootstrap_options = debootstrap_options_early + ' ' + args.debootstrap_options + ' ' + debootstrap_options_late
else:
debootstrap_options = debootstrap_options_early + ' ' + debootstrap_options_late
## Calling debootstrap
# stagefile
if os.path.isfile('.build/bootstrap'):
if verbose:
print('I: bootstrap already done - nothing to do')
sys.exit(0)
# dependencies
if not os.path.isfile('/usr/sbin/debootstrap'):
print('E: /usr/sbin/debootstrap - no such file', file=sys.stderr)
if verbose:
print('I: debootstrap can be optained from:\n'
'I: http://anonscm.debian.org/gitweb/?p=d-i/debootstrap.git\n'
'I: http://ftp.debian.org/debian/pool/main/d/debootstrap/\n'
'I: On Debian based systems, debootstrap can be installed with:\n'
'I: # sudo apt-get install debootstrap')
sys.exit(1)
# clean
if os.path.exists('chroot'):
print('E: chroot already exists - unclean build', file=sys.stderr)
if verbose:
print('I: use \'lb clean\' to clean up a previously incomplete build')
sys.exit(1)
# stage cache
elif os.path.exists('cache/bootstrap'):
if verbose:
print('I: Copying cache/bootstrap to chroot')
# Note: copy instead of move to make cache survive incomplete build
#shutil.copytree('cache/bootstrap', 'chroot') # FIXME: copytree() doesn't work with device files :(
cp = subprocess.call('cp -a cache/bootstrap chroot', shell=True)
# packages cache
elif glob.glob('cache/packages.bootstrap/*.deb'):
if verbose:
print('I: Copying cache/packages.bootstrap/*.deb to chroot/var/cache/apt/archives/*.deb')
# Note: copy instead of move to make cache survive incomplete build
os.makedirs('chroot/var/cache/apt/archives', exist_ok=True)
for package in glob.glob('cache/packages.bootstrap/*.deb'):
os.link(package, os.path.join('chroot/var/cache/apt/archives/' + os.path.basename(package)))
# debootstrap
if not os.path.exists('chroot/bin'):
if verbose:
print('I: Calling \'/usr/sbin/debootstrap ' + debootstrap_options + '\'')
debootstrap = subprocess.call('/usr/sbin/debootstrap ' + debootstrap_options, shell=True)
# package cache
if glob.glob('chroot/var/cache/apt/archives/*.deb'):
if verbose:
print('I: Copying chroot/var/cache/apt/archives/*.deb to cache/packages.bootstrap')
# Note: remove first to keep cache minimal,
# remove files instead of directory to work with symlinked directory
for package in glob.glob('cache/packages.bootstrap/*.deb'):
os.remove(package)
os.makedirs('cache/packages.bootstrap', exist_ok=True)
# Note: move instead of copy to keep stage minimal
for package in glob.glob('chroot/var/cache/apt/archives/*.deb'):
shutil.move(package, 'cache/packages.bootstrap')
# stage cache
if (os.path.exists('chroot')) and (not os.path.exists('cache/bootstrap')):
if verbose:
print('I: Copying chroot to cache/bootstrap')
# Note: copy instead of move to keep stage
#shutil.copytree('chroot', 'cache/bootstrap') # FIXME: copytree() doesn't work with device files :(
os.makedirs('cache', exist_ok=True)
cp = subprocess.call('cp -a chroot cache/bootstrap', shell=True)
## stagefile
os.makedirs('.build', exist_ok=True)
open('.build/bootstrap', 'w').close()
if __name__ == '__main__':
main()
|
