diff options
Diffstat (limited to 'components/bootstrap-debootstrap')
| -rwxr-xr-x | components/bootstrap-debootstrap | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/components/bootstrap-debootstrap b/components/bootstrap-debootstrap new file mode 100755 index 000000000..118ec2b0f --- /dev/null +++ b/components/bootstrap-debootstrap @@ -0,0 +1,180 @@ +#!/usr/bin/python3 + +## live-build(7) - Live System Build Components +## 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 glob +import os +import shutil +import subprocess +import sys + + +# TODO: +# * logfile output +# * lockfile handling +# * use gettext for i18n +# * debootstrap-options from config +# * take mirrors from config/archives/debian.{bootstrap,chroot} + +def main(): + ## Parsing Arguments + arguments = argparse.ArgumentParser( + prog = 'lb bootstrap-debootstrap', + usage = '%(prog)s [arguments]', + description = '''live-build contains the components to build a live system from a configuration directory. + The bootstrap-debootstrap command bootstraps the chroot system with debootstrap.''', + epilog = 'See \'man lb-bootstrap-debootstrap\' for more information.', + formatter_class = argparse.ArgumentDefaultsHelpFormatter + ) + + arguments.add_argument('--version', help='show program\'s version number and exit', action='version', version='live-build 4') + 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 + if os.path.exists('cache/bootstrap'): + if verbose: + print('I: Copying cache/bootstrap to chroot') + + # Notes: + # * there's no Python equivalent to 'cp -a' that handels both symlinks and device nodes properly. + cache = subprocess.call('cp -a cache/bootstrap chroot', shell=True) + + os.makedirs('.build', exist_ok=True) + open('.build/bootstrap', 'w').close() + + sys.exit(0) + + # packages cache + if glob.glob('cache/packages.bootstrap/*.deb'): + if verbose: + print('I: Copying cache/packages.bootstrap/*.deb to chroot/var/cache/apt/archives/*.deb') + + # Notes: + # * 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') + + # Notes: + # * 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) + + # Notes: + # * 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 not os.path.exists('cache/bootstrap'): + if verbose: + print('I: Copying chroot to cache/bootstrap') + + # Notes: + # * there's no Python equivalent to 'cp -a' that handels both symlinks and device nodes properly. + cache = 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() |