diff options
Diffstat (limited to 'scripts/build/bootstrap_cdebootstrap')
| -rwxr-xr-x | scripts/build/bootstrap_cdebootstrap | 243 |
1 files changed, 133 insertions, 110 deletions
diff --git a/scripts/build/bootstrap_cdebootstrap b/scripts/build/bootstrap_cdebootstrap index 9be2ab382..5f483e202 100755 --- a/scripts/build/bootstrap_cdebootstrap +++ b/scripts/build/bootstrap_cdebootstrap @@ -1,4 +1,4 @@ -#!/bin/sh +#!/usr/bin/python3.2 ## live-build(7) - System Build Scripts ## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch> @@ -8,136 +8,159 @@ ## under certain conditions; see COPYING for details. -set -e +import configparser +import argparse +import os +import sys +import shutil +import glob +import subprocess -# Including common functions -[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh -# Setting static variables -DESCRIPTION="$(Echo 'bootstrap a Debian system with cdebootstrap(1)')" -HELP="" -USAGE="${PROGRAM} [--force]" +# TODO: +# - lockfile handling +# - cdebootstrap-options from config -Arguments "${@}" +def main(): + ## Parsing Configuration + config = configparser.ConfigParser() -# Reading configuration files -Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source -Set_defaults + config.read('config/build') + + try: + architecture = config.get('Image', 'Architecture') + distribution = config.get('Image', 'Parent-Distribution') + mirror_bootstrap = config.get('Image', 'Parent-Mirror-Bootstrap') + except: + distribution = config.get('Image', 'Distribution') + mirror_bootstrap = config.get('Image', 'Mirror-Bootstrap') + + ## Parsing Arguments + arguments = argparse.ArgumentParser( + prog = 'lb bootstrap_cdebootstrap', + usage = '%(prog)s [arguments]', + description = '''live-build contains the programs to build a live system from a configuration directory. + The lb bootstrap_cdebootstrap program bootstraps the chroot system with cdebootstrap.''', + epilog = 'live-build was written by Daniel Baumann <mail@daniel-baumann.ch>.', + version = 'live-build 4.0', + formatter_class = argparse.ArgumentDefaultsHelpFormatter + ) + + arguments.add_argument('--verbose', help='set verbose option', action='store_true') + arguments.add_argument('--cdebootstrap-options', help='set cdebootstrap(1) options' ) -if [ "${LB_BOOTSTRAP}" != "cdebootstrap" ] && [ "${LB_BOOTSTRAP}" != "cdebootstrap-static" ] -then - exit 0 -fi + args = arguments.parse_args() + + # --verbose + verbose = args.verbose + + # --cdebootstrap-options + cdebootstrap_options_late = distribution + ' chroot ' + mirror_bootstrap -if [ ! -x "$(which cdebootstrap 2>/dev/null)" ] -then - echo "E: cdebootstrap - command not found" - echo "I: cdebootstrap can be obtained from http://ftp.debian.org/debian/pool/main/d/cdebootstrap/" - echo "I: On Debian based systems, cdebootstrap can be installed with 'apt-get install cdebootstrap'." - exit 1 -fi + cdebootstrap_options_early = '' + + if (architecture) and (not architecture == 'auto'): + cdebootstrap_options_early = cdebootstrap_options_early + ' --arch=' + architecture -# Check architecture -Check_crossarchitectures + if args.cdebootstrap_options: + cdebootstrap_options = cdebootstrap_options_early + ' ' + args.cdebootstrap_options + ' ' + cdebootstrap_options_late + else: + cdebootstrap_options = cdebootstrap_options_early + ' ' + cdebootstrap_options_late -Echo_message "Begin bootstrapping system..." + ## Calling cdebootstrap -Check_package /usr/bin/${LB_BOOTSTRAP} cdebootstrap + # stagefile + if os.path.isfile('.build/bootstrap'): + if verbose: + print('I: bootstrap already done - nothing to do') -# Ensure that a system is built as root -lb testroot + sys.exit(0) -# Checking stage file -Check_stagefile .build/bootstrap -Check_stagefile .build/bootstrap_cache.restore + # dependencies + if not os.path.isfile('/usr/bin/cdebootstrap'): + print('E: /usr/bin/cdebootstrap - no such file') -# Checking lock file -Check_lockfile .lock + if verbose: + print('I: cdebootstrap can be optained from:\n' + 'I: http://anonscm.debian.org/gitweb/?p=users/waldi/cdebootstrap.git\n' + 'I: http://ftp.debian.org/debian/pool/main/c/cdebootstrap/\n' + 'I: On Debian based systems, cdebootstrap can be installed with:\n' + 'I: # sudo apt-get install cdebootstrap') -# Creating lock file -Create_lockfile .lock + sys.exit(1) -# Creating chroot directory -mkdir -p chroot + # clean + if os.path.exists('chroot'): + print('E: chroot already exists - unclean build') -# Setting cdebootstrap options -if [ -n "${LIVE_IMAGE_ARCHITECTURE}" ] -then - CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --arch=${LIVE_IMAGE_ARCHITECTURE}" -fi + if verbose: + print('I: use \'lb clean\' to clean up a previously incomplete build') -if [ "${_DEBUG}" = "true" ] -then - CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --debug" -fi + sys.exit(1) + # stage cache + elif os.path.exists('cache/bootstrap'): + if verbose: + print('I: Copying cache/bootstrap to chroot') -if [ "${_QUIET}" = "true" ] -then - CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --quiet" -fi + # 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/bootstrap/*.deb') + + # Note: copy instead of move to make cache survive incomplete build + os.makedirs('chroot/var/cache/bootstrap', exist_ok=True) + + for package in glob.glob('cache/packages.bootstrap/*.deb'): + os.link(package, os.path.join('chroot/var/cache/bootstrap/' + os.path.basename(package))) + else: + # cdebootstrap + if verbose: + print('I: Calling \'/usr/bin/debootstrap --download-only ' + cdebootstrap_options + '\'') + + # Note: calling cdebootstrap twice: + # - to use already downloaded /var/cache/bootstrap/*.deb on incomplete builds + # - to use /var/cache/boottrap/*.deb for debian-installer + cdebootstrap = subprocess.call('/usr/bin/cdebootstrap --download-only ' + cdebootstrap_options, shell=True) + + # package cache + if glob.glob('chroot/var/cache/bootstrap/*.deb'): + if verbose: + print('I: Copying chroot/var/cache/bootstrap/*.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) -if [ "${_VERBOSE}" = "true" ] -then - CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --verbose" -fi + os.makedirs('cache/packages.bootstrap', exist_ok=True) + + for package in glob.glob('chroot/var/cache/bootstrap/*.deb'): + shutil.copy2(package, 'cache/packages.bootstrap') -if [ "${LB_APT_SECURE}" = "false" ] -then - CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --allow-unauthenticated" -fi + # cdebootstrap + if not os.path.exists('chroot/bin'): + if verbose: + print('I: Calling \'/usr/bin/debootstrap ' + cdebootstrap_options + '\'') -if [ -x "/usr/bin/cdebootstrap" ] || [ -x "/usr/bin/cdebootstrap-static" ] -then - if [ "${LB_CACHE_PACKAGES}" = "true" ] - then - if ls cache/packages.bootstrap/*.deb > /dev/null 2>&1 - then - mkdir -p chroot/var/cache/bootstrap - cp cache/packages.bootstrap/*.deb chroot/var/cache/bootstrap - fi + cdebootstrap = subprocess.call('/usr/bin/cdebootstrap ' + cdebootstrap_options, shell=True) - Echo_breakage "Running ${LB_BOOTSTRAP} (download-only)... " - ${LB_BOOTSTRAP} ${CDEBOOTSTRAP_OPTIONS} --download-only "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}" + # stage cache + if (os.path.exists('chroot')) and (not os.path.exists('cache/bootstrap')): + if verbose: + print('I: Copying chroot to cache/bootstrap') - # Removing old cache - rm -f cache/packages.bootstrap/*.deb + # 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() - # Saving new cache - mkdir -p cache/packages.bootstrap - cp chroot/var/cache/bootstrap/*.deb cache/packages.bootstrap - fi - Echo_breakage "Running ${LB_BOOTSTRAP}... " - - # Run appropriate bootstrap, i.e. foreign or regular bootstrap - if [ "${LB_BOOTSTRAP_QEMU_ARCHITECTURES}" = "${LIVE_IMAGE_ARCHITECTURE}" ]; then - - if [ -n "${LB_BOOTSTRAP_QEMU_EXCLUDE}" ] - then - CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --exclude=$(echo ${LB_BOOTSTRAP_QEMU_EXCLUDE} | sed 's| *|,|g')" - fi - - Echo_message "Bootstrap will be foreign" - ${LB_BOOTSTRAP} ${CDEBOOTSTRAP_OPTIONS} --foreign "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}" - - Echo_message "Running debootstrap second stage under QEMU" - cp ${LB_BOOTSTRAP_QEMU_STATIC} chroot/usr/bin - Chroot chroot /bin/sh /sbin/cdebootstrap-foreign - else - ${LB_BOOTSTRAP} ${CDEBOOTSTRAP_OPTIONS} "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}" - fi - - # Deconfiguring cdebootstrap configurations - rm -f chroot/etc/apt/sources.list - rm -f chroot/etc/hosts - rm -f chroot/etc/resolv.conf - - # Removing bootstrap cache - rm -rf chroot/var/cache/bootstrap - - # Creating stage file - Create_stagefile .build/bootstrap -else - Echo_error "Can't process file /usr/bin/${LB_BOOTSTRAP} (FIXME)" - exit 1 -fi +if __name__ == '__main__': + main() |