# -*- encoding: utf8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2017 Marek Marczykowski-Górecki
#                               <marmarek@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.

'''qvm-start - start a domain'''


import sys
import qubesmgmt.exc
import qubesmgmt.tools

parser = qubesmgmt.tools.QubesArgumentParser(
    description='start a domain', vmname_nargs='+')

parser.add_argument('--skip-if-running',
    action='store_true', default=False,
    help='Do not fail if the qube is already runnning')

def main(args=None, app=None):
    '''Main routine of :program:`qvm-start`.

    :param list args: Optional arguments to override those delivered from \
        command line.
    '''

    args = parser.parse_args(args, app=app)

    exit_code = 0
    for domain in args.domains:
        if args.skip_if_running and domain.is_running():
            continue
        try:
            domain.start()
        except (IOError, OSError, qubesmgmt.exc.QubesException) as e:
            exit_code = 1
            parser.print_error(str(e))

    return exit_code


if __name__ == '__main__':
    sys.exit(main())