Rewriting source_hooks in python.
This commit is contained in:
Daniel Baumann
parent
d042538e28
commit
db331a3c5a
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@ -1,6 +1,6 @@
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#!/bin/sh
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#!/usr/bin/python3
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## live-build(7) - System Build Scripts
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## live-build(7) - Live System Build Components
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## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch>
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##
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## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
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@ -8,71 +8,101 @@
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## under certain conditions; see COPYING for details.
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set -e
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import argparse
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import configparser
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import glob
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import os
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import shutil
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import subprocess
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import sys
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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="$(Echo 'execute hooks in source')"
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HELP=""
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USAGE="${PROGRAM} [--force]"
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# TODO:
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# * logfile output
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# * lockfile handling
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# * use gettext for i18n
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Arguments "${@}"
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def main():
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## Parsing Arguments
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arguments = argparse.ArgumentParser(
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prog = 'lb source_hooks',
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usage = '%(prog)s [arguments]',
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description = '''live-build contains the components to build a live system from a configuration directory.
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The source_hooks command executes hooks after the source stage.''',
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epilog = 'See \'man lb_source_hooks\' for more information.',
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version = 'live-build 4',
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formatter_class = argparse.ArgumentDefaultsHelpFormatter
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)
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# Reading configuration files
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Read_conffiles config/all config/common config/bootstrap config/chroot config/source config/source
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Set_defaults
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arguments.add_argument('--verbose', help='set verbose option', action='store_true')
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Echo_message "Begin executing hooks..."
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args = arguments.parse_args()
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# Requiring stage file
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Require_stagefile .build/config .build/bootstrap
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# --verbose
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verbose = args.verbose
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# Checking stage file
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Check_stagefile .build/source_hooks
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## Executing hooks
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# Checking lock file
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Check_lockfile .lock
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# stagefile
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if os.path.isfile('.build/source_hooks'):
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if verbose:
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print('I: source_hooks already done - nothing to do')
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# Creating lock file
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Create_lockfile .lock
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sys.exit(0)
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## Processing distribution hooks
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# dependencies
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if not os.path.isfile('.build/source'):
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print('E: source stage missing - aborting', file=sys.stderr)
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# Running hooks
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for _HOOK in ${LB_BINARY_HOOKS}
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do
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for LOCATION in "${LIVE_BUILD}/hooks" /usr/share/live/build/hooks
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do
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for FILE in "${LOCATION}"/????-"${_HOOK}".source
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do
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if [ -e "${FILE}" ]
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then
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cd source
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"${FILE}" || { Echo_error "${_HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
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cd "${OLDPWD}"
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fi
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done
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done
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done
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if verbose:
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print('I: use \'lb source\' to source system')
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## Processing local hooks
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sys.exit(1)
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if Find_files config/hooks/*.source
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then
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for HOOK in config/hooks/*.source
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do
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# Making hook executable
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if [ ! -x "${HOOK}" ]
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then
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chmod +x "${HOOK}"
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fi
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# hooks
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if not glob.glob('config/hooks/*.hook') and not glob.glob('config/hooks/*.hook.source'):
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if verbose:
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print ('I: no source hooks found at config/hooks/*.hook{,.source} - nothing to do')
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# Executing hook
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./"${HOOK}" || { Echo_error "${HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
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done
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sys.exit(0)
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# Creating stage file
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Create_stagefile .build/source_hooks
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fi
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# bind mount configuration directory
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if verbose:
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print('I: Mounting config to source/live-build/config')
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os.makedirs('source/live-build/config', exist_ok=True)
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mount = subprocess.call('mount -o bind config source/live-build/config', shell=True)
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remount = subprocess.call('mount -o remount,ro,bind source/live-build/config', shell=True)
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# process hooks
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os.makedirs('source/live-build', exist_ok=True)
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hooks = glob.glob('config/hooks/*.hook') + glob.glob('config/hooks/*.hook.source')
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for hook in hooks:
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if verbose:
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print('I: Copying config/hooks/*.hook.source to source/live-build')
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os.link(hook, os.path.join('source/live-build/' + os.path.basename(hook)), follow_symlinks=True)
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if verbose:
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print('I: Executing \' ' + hook + '\'')
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os.chmod(hook, 0o755)
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exec_hook = subprocess.call('cd source && live-build/' + os.path.basename(hook), shell=True)
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os.remove('source/live-build/' + os.path.basename(hook))
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# unmount coniguration directory
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umount = subprocess.call('umount source/live-build/config', shell=True)
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os.rmdir('source/live-build/config')
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os.rmdir('source/live-build')
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## stagefile
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os.makedirs('.build', exist_ok=True)
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open('.build/source_hooks', 'w').close()
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if __name__ == '__main__':
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main()
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