mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-24 07:26:29 +00:00
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
import logging
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log = logging.getLogger(__name__)
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def main():
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import os
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args = get_args()
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# Require root privileges, except when doing a dry-run where they aren't needed
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if os.geteuid() != 0 and not args.dry_run:
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raise Exception('This program requires root privileges.')
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import log
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logfile = log.get_logfile_path(args.manifest)
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log.setup_logger(logfile=logfile, debug=args.debug)
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run(args)
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def get_args():
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from argparse import ArgumentParser
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parser = ArgumentParser(description='Bootstrap Debian for the cloud.')
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parser.add_argument('--debug', action='store_true',
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help='Print debugging information')
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parser.add_argument('--pause-on-error', action='store_true',
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help='Pause on error, before rollback')
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parser.add_argument('--dry-run', action='store_true',
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help='Dont\'t actually run the tasks')
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parser.add_argument('manifest', help='Manifest file to use for bootstrapping', metavar='MANIFEST')
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return parser.parse_args()
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def run(args):
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from manifest import Manifest
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manifest = Manifest(args.manifest)
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from tasklist import TaskList
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tasklist = TaskList()
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tasklist.load('resolve_tasks', manifest)
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from bootstrapinfo import BootstrapInformation
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bootstrap_info = BootstrapInformation(manifest=manifest, debug=args.debug)
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try:
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tasklist.run(info=bootstrap_info, dry_run=args.dry_run)
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log.info('Successfully completed bootstrapping')
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except (Exception, KeyboardInterrupt) as e:
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log.exception(e)
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if args.pause_on_error:
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raw_input('Press Enter to commence rollback')
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log.error('Rolling back')
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rollback_tasklist = TaskList()
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def counter_task(task, counter):
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if task in tasklist.tasks_completed and counter not in tasklist.tasks_completed:
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rollback_tasklist.tasks.add(counter)
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rollback_tasklist.load('resolve_rollback_tasks', manifest, counter_task)
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rollback_tasklist.run(info=bootstrap_info, dry_run=args.dry_run)
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log.info('Successfully completed rollback')
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