core-admin/qubes/tools/qvm_run.py
2016-08-08 00:11:46 +02:00

143 lines
4.7 KiB
Python

#!/usr/bin/python2
# -*- encoding: utf8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010-2015 Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2015 Wojtek Porczyk <woju@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import print_function
import os
import sys
import qubes
import qubes.exc
import qubes.tools
parser = qubes.tools.QubesArgumentParser(vmname_nargs='+')
parser.add_argument('--user', '-u', metavar='USER',
help='run command in a qube as USER')
parser.add_argument('--autostart', '--auto', '-a',
action='store_true', default=False,
help='start the qube if it is not running')
parser.add_argument('--pass-io', '-p',
action='store_true', dest='passio', default=False,
help='pass stdio from remote program')
parser.add_argument('--localcmd', metavar='COMMAND',
help='with --pass-io, pass stdio to the given program')
parser.add_argument('--gui',
action='store_true', default=True,
help='run the command with GUI (default on)')
parser.add_argument('--no-gui', '--nogui',
action='store_false', dest='gui',
help='run the command without GUI')
parser.add_argument('--colour-output', '--color-output', metavar='COLOUR',
action='store', dest='color_output', default=None,
help='mark the qube output with given ANSI colour (ie. "31" for red)')
parser.add_argument('--colour-stderr', '--color-stderr', metavar='COLOUR',
action='store', dest='color_stderr', default=None,
help='mark the qube stderr with given ANSI colour (ie. "31" for red)')
parser.add_argument('--no-colour-output', '--no-color-output',
action='store_false', dest='color_output',
help='disable colouring the stdio')
parser.add_argument('--no-colour-stderr', '--no-color-stderr',
action='store_false', dest='color_stderr',
help='disable colouring the stderr')
parser.add_argument('--filter-escape-chars',
action='store_true', dest='filter_esc',
default=os.isatty(sys.stdout.fileno()),
help='filter terminal escape sequences (default if output is terminal)')
parser.add_argument('--no-filter-escape-chars',
action='store_false', dest='filter_esc',
help='do not filter terminal escape sequences; DANGEROUS when output is a'
' terminal emulator')
parser.add_argument('cmd', metavar='COMMAND',
help='command to run')
def main(args=None):
args = parser.parse_args(args)
if args.color_output is None and args.filter_esc:
args.color_output = '31'
if args.color_output is None and os.isatty(sys.stderr.fileno()):
args.color_stderr = 31
if len(args.domains) > 1 and args.passio:
parser.error('--passio cannot be used when more than 1 qube is chosen')
if args.localcmd and not args.passio:
parser.error('--localcmd have no effect without --pass-io')
if args.color_output and not args.filter_esc:
parser.error('--color-output must be used with --filter-escape-chars')
retcode = 0
for vm in args.domains:
if args.autostart and not vm.is_running():
vm.start()
if args.color_output:
sys.stdout.write('\033[0;{}m'.format(args.color_output))
sys.stdout.flush()
if args.color_stderr:
sys.stderr.write('\033[0;{}m'.format(args.color_stderr))
sys.stderr.flush()
try:
retcode = max(retcode, vm.run(args.cmd,
user=args.user,
passio=args.passio,
localcmd=args.localcmd,
gui=args.gui,
filter_esc=args.filter_esc))
except qubes.exc.QubesException as e:
if args.color_output:
sys.stdout.write('\033[0m')
sys.stdout.flush()
vm.log.error(str(e))
return -1
finally:
if args.color_output:
sys.stdout.write('\033[0m')
sys.stdout.flush()
if args.color_stderr:
sys.stderr.write('\033[0m')
sys.stderr.flush()
return retcode
if __name__ == '__main__':
sys.exit(main())