diff options
Diffstat (limited to 'scripts/build')
| -rwxr-xr-x | scripts/build/bootstrap_debootstrap | 236 |
1 files changed, 130 insertions, 106 deletions
diff --git a/scripts/build/bootstrap_debootstrap b/scripts/build/bootstrap_debootstrap index 528184a22..7cfc8695a 100755 --- a/scripts/build/bootstrap_debootstrap +++ b/scripts/build/bootstrap_debootstrap @@ -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> @@ -8,132 +8,156 @@ ## 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="$(Echo 'bootstrap a Debian system with debootstrap(8)')" -HELP="" -USAGE="${PROGRAM} [--force]" +# TODO: +# - lockfile handling +# - debootstrap-options from config -Arguments "${@}" +def main(): + ## Parsing Configuration + config = configparser.ConfigParser() -# Reading configuration files -Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source -Set_defaults + config.read('config/build') -if [ "${LB_BOOTSTRAP}" != "debootstrap" ] -then - exit 0 -fi + 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') -if [ ! -x "$(which debootstrap 2>/dev/null)" ] -then - echo "E: debootstrap - command not found" - echo "I: debootstrap can be obtained from http://ftp.debian.org/debian/pool/main/d/debootstrap/" - echo "I: On Debian based systems, debootstrap can be installed with 'apt-get install debootstrap'." - exit 1 -fi + ## 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 = 'live-build was written by Daniel Baumann <mail@daniel-baumann.ch>.', + version = 'live-build 4.0', + formatter_class = argparse.ArgumentDefaultsHelpFormatter + ) -# Check architecture -Check_crossarchitectures + arguments.add_argument('--verbose', help='set verbose option', action='store_true') + arguments.add_argument('--debootstrap-options', help='set debootstrap(8) options' ) -Echo_message "Begin bootstrapping system..." + args = arguments.parse_args() -Check_package /usr/sbin/debootstrap debootstrap + # --verbose + verbose = args.verbose -# Ensure that a system is built as root -lb testroot + # --debootstrap-options + debootstrap_options_late = distribution + ' chroot ' + mirror_bootstrap -# Checking stage file -Check_stagefile .build/bootstrap -Check_stagefile .build/bootstrap_cache.restore + debootstrap_options_early = '' -# Checking lock file -Check_lockfile .lock + if (architecture) and (not architecture == 'auto'): + debootstrap_options_early = debootstrap_options_early + ' --arch=' + architecture -# Creating lock file -Create_lockfile .lock + if (archive_areas) and (not archive_areas == 'main'): + debootstrap_options_early = debootstrap_options_early + ' --components=' + archive_areas.replace(' ',',') -# Creating chroot directory -mkdir -p chroot + if args.debootstrap_options: + debootstrap_options = debootstrap_options_early + ' ' + args.debootstrap_options + ' ' + debootstrap_options_late + else: + debootstrap_options = debootstrap_options_early + ' ' + debootstrap_options_late -# Setting debootstrap options -if [ -n "${LIVE_IMAGE_ARCHITECTURE}" ] -then - DEBOOTSTRAP_OPTIONS="${DEBOOTSTRAP_OPTIONS} --arch=${LIVE_IMAGE_ARCHITECTURE}" -fi + ## Calling debootstrap -if [ "${LIVE_IMAGE_ARCHIVE_AREAS}" != "main" ] -then - # Modify archive areas to remove leading/trailing whitespaces and replace other whitepspace with commas - DEBOOTSTRAP_OPTIONS="${DEBOOTSTRAP_OPTIONS} --components=$(echo ${LIVE_IMAGE_ARCHIVE_AREAS} | sed -e 's| |,|g')" -fi + # stagefile + if os.path.isfile('.build/bootstrap'): + if verbose: + print('I: bootstrap already done - nothing to do') -if [ "${_VERBOSE}" = "true" ] -then - DEBOOTSTRAP_OPTIONS="${DEBOOTSTRAP_OPTIONS} --verbose" -fi + sys.exit(0) -# If LB_APT_SECURE is false, do not check signatures of the Release file -# (requires debootstrap >= 1.0.30) -if [ "${LB_APT_SECURE}" = "false" ] && /usr/sbin/debootstrap --help | grep -qs '\-\-no-check-gpg' -then - DEBOOTSTRAP_OPTIONS="${DEBOOTSTRAP_OPTIONS} --no-check-gpg" -fi + # dependencies + if not os.path.isfile('/usr/sbin/debootstrap'): + print('E: /usr/sbin/debootstrap - no such file') -if [ -x "/usr/sbin/debootstrap" ] -then - if [ "${LB_CACHE_PACKAGES}" = "true" ] - then - if ls cache/packages.bootstrap/*.deb > /dev/null 2>&1 - then - mkdir -p chroot/var/cache/apt/archives - cp cache/packages.bootstrap/*.deb chroot/var/cache/apt/archives - fi + 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') - Echo_breakage "Running debootstrap (download-only)... " - debootstrap ${DEBOOTSTRAP_OPTIONS} --download-only "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}" + sys.exit(1) - # Removing old cache - rm -f cache/packages.bootstrap/*.deb + # clean + if os.path.exists('chroot'): + print('E: chroot already exists - unclean build') - # Saving new cache - mkdir -p cache/packages.bootstrap - cp chroot/var/cache/apt/archives/*.deb cache/packages.bootstrap - fi + if verbose: + print('I: use \'lb clean\' to clean up a previously incomplete build') - Echo_breakage "Running debootstrap... " + sys.exit(1) + # stage cache + elif os.path.exists('cache/bootstrap'): + if verbose: + print('I: Copying cache/bootstrap to chroot') - # Run appropriate bootstrap, i.e. foreign or regular bootstrap - if [ "${LB_BOOTSTRAP_QEMU_ARCHITECTURES}" = "${LIVE_IMAGE_ARCHITECTURE}" ]; then - - if [ -n "${LB_BOOTSTRAP_QEMU_EXCLUDE}" ] - then - DEBOOTSTRAP_OPTIONS="${DEBOOTSTRAP_OPTIONS} --exclude=$(echo ${LB_BOOTSTRAP_QEMU_EXCLUDE} | sed 's| *|,|g')" - fi - - Echo_message "Bootstrap will be foreign" - debootstrap ${DEBOOTSTRAP_OPTIONS} --foreign "${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 /debootstrap/debootstrap --second-stage - else - debootstrap ${DEBOOTSTRAP_OPTIONS} "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}" - fi - - # Deconfiguring debootstrap configurations - rm -f chroot/etc/hosts - - # Removing bootstrap cache - rm -f chroot/var/cache/apt/archives/*.deb - - # Creating stage file - Create_stagefile .build/bootstrap -else - Echo_error "Can't process file /usr/bin/debootstrap (FIXME)" - exit 1 -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/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() |