6ca54e18a3
QubesException class is used with meaningful messages and should be ok to use it directly as error message. For other exceptions, still use full traceback (most likely a bug somewhere, not user error). Fixes QubesOS/qubes-issues#3610
130 lines
4.5 KiB
Python
130 lines
4.5 KiB
Python
# encoding=utf-8
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010-2016 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2011-2016 Marek Marczykowski-Górecki
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# <marmarek@invisiblethingslab.com>
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# Copyright (C) 2016 Wojtek Porczyk <woju@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with this program; if not, see <http://www.gnu.org/licenses/>.
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''' Shutdown a qube '''
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from __future__ import print_function
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import sys
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import time
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import asyncio
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try:
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import qubesadmin.events.utils
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have_events = True
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except ImportError:
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have_events = False
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import qubesadmin.tools
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import qubesadmin.exc
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parser = qubesadmin.tools.QubesArgumentParser(
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description=__doc__, vmname_nargs='+')
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parser.add_argument('--wait',
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action='store_true', default=False,
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help='wait for the VMs to shut down')
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parser.add_argument('--timeout',
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action='store', type=float,
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default=60,
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help='timeout after which domains are killed when using --wait'
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' (default: %(default)d)')
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def main(args=None, app=None): # pylint: disable=missing-docstring
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args = parser.parse_args(args, app=app)
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if have_events:
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loop = asyncio.get_event_loop()
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remaining_domains = args.domains
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for _ in range(len(args.domains)):
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this_round_domains = set(remaining_domains)
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if not this_round_domains:
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break
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remaining_domains = set()
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for vm in this_round_domains:
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try:
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vm.shutdown()
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except qubesadmin.exc.QubesVMNotRunningError:
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pass
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except qubesadmin.exc.QubesException as e:
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if not args.wait:
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vm.log.error('Shutdown error: {}'.format(e))
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else:
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remaining_domains.add(vm)
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if not args.wait:
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return len(remaining_domains)
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this_round_domains.difference_update(remaining_domains)
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if not this_round_domains:
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# no VM shutdown request succeed, no sense to try again
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break
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if have_events:
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try:
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# pylint: disable=no-member
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loop.run_until_complete(asyncio.wait_for(
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qubesadmin.events.utils.wait_for_domain_shutdown(
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this_round_domains),
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args.timeout))
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except asyncio.TimeoutError:
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for vm in this_round_domains:
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try:
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vm.kill()
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except qubesadmin.exc.QubesVMNotStartedError:
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# already shut down
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pass
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except qubesadmin.exc.QubesException as e:
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parser.error_runtime(e)
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else:
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timeout = args.timeout
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current_vms = list(sorted(this_round_domains))
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while timeout >= 0:
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current_vms = [vm for vm in current_vms
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if vm.get_power_state() != 'Halted']
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if not current_vms:
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break
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args.app.log.info('Waiting for shutdown ({}): {}'.format(
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timeout, ', '.join([str(vm) for vm in current_vms])))
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time.sleep(1)
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timeout -= 1
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if current_vms:
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args.app.log.info(
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'Killing remaining qubes: {}'
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.format(', '.join([str(vm) for vm in current_vms])))
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for vm in current_vms:
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try:
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vm.kill()
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except qubesadmin.exc.QubesVMNotStartedError:
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# already shut down
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pass
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except qubesadmin.exc.QubesException as e:
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parser.error_runtime(e)
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if args.wait:
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if have_events:
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loop.close()
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return len([vm for vm in args.domains
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if vm.get_power_state() != 'Halted'])
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if __name__ == '__main__':
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sys.exit(main())
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