Replacing bootstrap_cdebootstrap with Python stub.
This commit is contained in:
Daniel Baumann
parent
a06eea85ad
commit
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#!/bin/sh
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#!/usr/bin/python3.2
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## live-build(7) - System Build Scripts
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## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch>
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@ -8,136 +8,159 @@
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## under certain conditions; see COPYING for details.
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set -e
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import configparser
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import argparse
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import os
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import sys
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import shutil
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import glob
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import subprocess
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# Including common functions
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[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
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# Setting static variables
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DESCRIPTION="$(Echo 'bootstrap a Debian system with cdebootstrap(1)')"
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HELP=""
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USAGE="${PROGRAM} [--force]"
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# TODO:
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# - lockfile handling
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# - cdebootstrap-options from config
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Arguments "${@}"
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def main():
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## Parsing Configuration
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config = configparser.ConfigParser()
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# Reading configuration files
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Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
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Set_defaults
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config.read('config/build')
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if [ "${LB_BOOTSTRAP}" != "cdebootstrap" ] && [ "${LB_BOOTSTRAP}" != "cdebootstrap-static" ]
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then
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exit 0
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fi
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try:
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architecture = config.get('Image', 'Architecture')
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distribution = config.get('Image', 'Parent-Distribution')
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mirror_bootstrap = config.get('Image', 'Parent-Mirror-Bootstrap')
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except:
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distribution = config.get('Image', 'Distribution')
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mirror_bootstrap = config.get('Image', 'Mirror-Bootstrap')
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if [ ! -x "$(which cdebootstrap 2>/dev/null)" ]
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then
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echo "E: cdebootstrap - command not found"
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echo "I: cdebootstrap can be obtained from http://ftp.debian.org/debian/pool/main/d/cdebootstrap/"
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echo "I: On Debian based systems, cdebootstrap can be installed with 'apt-get install cdebootstrap'."
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exit 1
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fi
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## Parsing Arguments
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arguments = argparse.ArgumentParser(
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prog = 'lb bootstrap_cdebootstrap',
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usage = '%(prog)s [arguments]',
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description = '''live-build contains the programs to build a live system from a configuration directory.
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The lb bootstrap_cdebootstrap program bootstraps the chroot system with cdebootstrap.''',
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epilog = 'live-build was written by Daniel Baumann <mail@daniel-baumann.ch>.',
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version = 'live-build 4.0',
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formatter_class = argparse.ArgumentDefaultsHelpFormatter
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)
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# Check architecture
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Check_crossarchitectures
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arguments.add_argument('--verbose', help='set verbose option', action='store_true')
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arguments.add_argument('--cdebootstrap-options', help='set cdebootstrap(1) options' )
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Echo_message "Begin bootstrapping system..."
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args = arguments.parse_args()
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Check_package /usr/bin/${LB_BOOTSTRAP} cdebootstrap
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# --verbose
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verbose = args.verbose
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# Ensure that a system is built as root
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lb testroot
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# --cdebootstrap-options
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cdebootstrap_options_late = distribution + ' chroot ' + mirror_bootstrap
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# Checking stage file
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Check_stagefile .build/bootstrap
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Check_stagefile .build/bootstrap_cache.restore
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cdebootstrap_options_early = ''
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# Checking lock file
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Check_lockfile .lock
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if (architecture) and (not architecture == 'auto'):
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cdebootstrap_options_early = cdebootstrap_options_early + ' --arch=' + architecture
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# Creating lock file
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Create_lockfile .lock
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if args.cdebootstrap_options:
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cdebootstrap_options = cdebootstrap_options_early + ' ' + args.cdebootstrap_options + ' ' + cdebootstrap_options_late
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else:
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cdebootstrap_options = cdebootstrap_options_early + ' ' + cdebootstrap_options_late
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# Creating chroot directory
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mkdir -p chroot
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## Calling cdebootstrap
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# Setting cdebootstrap options
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if [ -n "${LIVE_IMAGE_ARCHITECTURE}" ]
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then
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CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --arch=${LIVE_IMAGE_ARCHITECTURE}"
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fi
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# stagefile
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if os.path.isfile('.build/bootstrap'):
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if verbose:
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print('I: bootstrap already done - nothing to do')
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if [ "${_DEBUG}" = "true" ]
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then
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CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --debug"
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fi
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sys.exit(0)
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if [ "${_QUIET}" = "true" ]
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then
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CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --quiet"
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fi
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# dependencies
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if not os.path.isfile('/usr/bin/cdebootstrap'):
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print('E: /usr/bin/cdebootstrap - no such file')
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if [ "${_VERBOSE}" = "true" ]
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then
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CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --verbose"
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fi
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if verbose:
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print('I: cdebootstrap can be optained from:\n'
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'I: http://anonscm.debian.org/gitweb/?p=users/waldi/cdebootstrap.git\n'
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'I: http://ftp.debian.org/debian/pool/main/c/cdebootstrap/\n'
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'I: On Debian based systems, cdebootstrap can be installed with:\n'
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'I: # sudo apt-get install cdebootstrap')
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if [ "${LB_APT_SECURE}" = "false" ]
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then
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CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --allow-unauthenticated"
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fi
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sys.exit(1)
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if [ -x "/usr/bin/cdebootstrap" ] || [ -x "/usr/bin/cdebootstrap-static" ]
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then
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if [ "${LB_CACHE_PACKAGES}" = "true" ]
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then
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if ls cache/packages.bootstrap/*.deb > /dev/null 2>&1
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then
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mkdir -p chroot/var/cache/bootstrap
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cp cache/packages.bootstrap/*.deb chroot/var/cache/bootstrap
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fi
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# clean
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if os.path.exists('chroot'):
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print('E: chroot already exists - unclean build')
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Echo_breakage "Running ${LB_BOOTSTRAP} (download-only)... "
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${LB_BOOTSTRAP} ${CDEBOOTSTRAP_OPTIONS} --download-only "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}"
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if verbose:
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print('I: use \'lb clean\' to clean up a previously incomplete build')
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# Removing old cache
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rm -f cache/packages.bootstrap/*.deb
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sys.exit(1)
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# stage cache
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elif os.path.exists('cache/bootstrap'):
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if verbose:
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print('I: Copying cache/bootstrap to chroot')
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# Saving new cache
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mkdir -p cache/packages.bootstrap
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cp chroot/var/cache/bootstrap/*.deb cache/packages.bootstrap
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fi
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# Note: copy instead of move to make cache survive incomplete build
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#shutil.copytree('cache/bootstrap', 'chroot') # FIXME: copytree() doesn't work with device files :(
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cp = subprocess.call('cp -a cache/bootstrap chroot', shell=True)
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# packages cache
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elif glob.glob('cache/packages.bootstrap/*.deb'):
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if verbose:
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print('I: Copying cache/packages.bootstrap/*.deb to chroot/var/cache/bootstrap/*.deb')
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Echo_breakage "Running ${LB_BOOTSTRAP}... "
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# Note: copy instead of move to make cache survive incomplete build
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os.makedirs('chroot/var/cache/bootstrap', exist_ok=True)
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# Run appropriate bootstrap, i.e. foreign or regular bootstrap
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if [ "${LB_BOOTSTRAP_QEMU_ARCHITECTURES}" = "${LIVE_IMAGE_ARCHITECTURE}" ]; then
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for package in glob.glob('cache/packages.bootstrap/*.deb'):
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os.link(package, os.path.join('chroot/var/cache/bootstrap/' + os.path.basename(package)))
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else:
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# cdebootstrap
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if verbose:
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print('I: Calling \'/usr/bin/debootstrap --download-only ' + cdebootstrap_options + '\'')
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if [ -n "${LB_BOOTSTRAP_QEMU_EXCLUDE}" ]
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then
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CDEBOOTSTRAP_OPTIONS="${CDEBOOTSTRAP_OPTIONS} --exclude=$(echo ${LB_BOOTSTRAP_QEMU_EXCLUDE} | sed 's| *|,|g')"
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fi
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# Note: calling cdebootstrap twice:
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# - to use already downloaded /var/cache/bootstrap/*.deb on incomplete builds
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# - to use /var/cache/boottrap/*.deb for debian-installer
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cdebootstrap = subprocess.call('/usr/bin/cdebootstrap --download-only ' + cdebootstrap_options, shell=True)
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Echo_message "Bootstrap will be foreign"
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${LB_BOOTSTRAP} ${CDEBOOTSTRAP_OPTIONS} --foreign "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}"
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# package cache
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if glob.glob('chroot/var/cache/bootstrap/*.deb'):
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if verbose:
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print('I: Copying chroot/var/cache/bootstrap/*.deb to cache/packages.bootstrap')
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Echo_message "Running debootstrap second stage under QEMU"
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cp ${LB_BOOTSTRAP_QEMU_STATIC} chroot/usr/bin
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Chroot chroot /bin/sh /sbin/cdebootstrap-foreign
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else
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${LB_BOOTSTRAP} ${CDEBOOTSTRAP_OPTIONS} "${LB_PARENT_DISTRIBUTION}" chroot "${LB_PARENT_MIRROR_BOOTSTRAP}"
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fi
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# Notes: - remove first to keep cache minimal
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# - remove files instead of directory to work with symlinked directory
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for package in glob.glob('cache/packages.bootstrap/*.deb'):
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os.remove(package)
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# Deconfiguring cdebootstrap configurations
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rm -f chroot/etc/apt/sources.list
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rm -f chroot/etc/hosts
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rm -f chroot/etc/resolv.conf
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os.makedirs('cache/packages.bootstrap', exist_ok=True)
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# Removing bootstrap cache
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rm -rf chroot/var/cache/bootstrap
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for package in glob.glob('chroot/var/cache/bootstrap/*.deb'):
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shutil.copy2(package, 'cache/packages.bootstrap')
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# Creating stage file
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Create_stagefile .build/bootstrap
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else
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Echo_error "Can't process file /usr/bin/${LB_BOOTSTRAP} (FIXME)"
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exit 1
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fi
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# cdebootstrap
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if not os.path.exists('chroot/bin'):
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if verbose:
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print('I: Calling \'/usr/bin/debootstrap ' + cdebootstrap_options + '\'')
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cdebootstrap = subprocess.call('/usr/bin/cdebootstrap ' + cdebootstrap_options, shell=True)
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# stage cache
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if (os.path.exists('chroot')) and (not os.path.exists('cache/bootstrap')):
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if verbose:
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print('I: Copying chroot to cache/bootstrap')
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# Note: copy instead of move to keep stage
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#shutil.copytree('chroot', 'cache/bootstrap') # FIXME: copytree() doesn't work with device files :(
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os.makedirs('cache', exist_ok=True)
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cp = subprocess.call('cp -a chroot cache/bootstrap', shell=True)
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## stagefile
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os.makedirs('.build', exist_ok=True)
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open('.build/bootstrap', 'w').close()
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if __name__ == '__main__':
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main()
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