211 lines
7.1 KiB
Python
211 lines
7.1 KiB
Python
#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010-2015 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2015 Wojtek Porczyk <woju@invisiblethingslab.com>
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# Copyright (C) 2017 Marek Marczykowski-Górecki
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# <marmarek@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, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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'''qvm-create tool'''
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# TODO list available classes
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# TODO list labels (maybe in qvm-prefs)
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# TODO features, devices, tags
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from __future__ import print_function
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import argparse
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import os
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import sys
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import qubesadmin
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import qubesadmin.tools
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parser = qubesadmin.tools.QubesArgumentParser()
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parser.add_argument('--class', '-C', dest='cls',
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default='AppVM',
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help='specify the class of the new domain (default: %(default)s)')
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parser.add_argument('--standalone',
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action="store_true",
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help=' shortcut for --class StandaloneVM')
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parser.add_argument('--disp',
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action="store_true",
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help='alias for --class DispVM --label red')
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parser.add_argument('--property', '--prop',
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action=qubesadmin.tools.PropertyAction,
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help='set domain\'s property, like "internal", "memory" or "vcpus"')
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parser.add_argument('--pool', '-p',
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action='append',
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metavar='VOLUME_NAME=POOL_NAME',
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help='specify the pool to use for a volume')
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parser.add_argument('-P',
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metavar='POOL_NAME',
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dest='one_pool',
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default='',
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help='change all volume pools to specified pool')
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parser.add_argument('--template', '-t',
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action=qubesadmin.tools.SinglePropertyAction,
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help='specify the TemplateVM to use')
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parser.add_argument('--label', '-l',
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action=qubesadmin.tools.SinglePropertyAction,
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help='specify the label to use for the new domain'
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' (e.g. red, yellow, green, ...)')
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parser.add_argument('--help-classes',
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action='store_true',
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help='List available classes and exit')
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parser_root = parser.add_mutually_exclusive_group()
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parser_root.add_argument('--root-copy-from', '-r', metavar='FILENAME',
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help='use provided root.img instead of default/empty one'
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' (file will be COPIED)')
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parser_root.add_argument('--root-move-from', '-R', metavar='FILENAME',
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help='use provided root.img instead of default/empty one'
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' (file will be MOVED)')
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# silently ignored
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parser_root.add_argument('--no-root',
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action='store_true', default=False,
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help=argparse.SUPPRESS)
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parser.add_argument('name', metavar='VMNAME',
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action=qubesadmin.tools.SinglePropertyAction,
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nargs='?',
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help='name of the domain to create')
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def main(args=None, app=None):
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'''Main function of qvm-create tool'''
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args = parser.parse_args(args, app=app)
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if args.help_classes:
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vm_classes = args.app.qubesd_call('dom0', 'admin.vmclass.List').decode()
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vm_classes = vm_classes.splitlines()
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print('\n'.join(sorted(vm_classes)))
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return 0
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pools = {}
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pool = None
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if hasattr(args, 'pool') and args.pool:
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for pool_vol in args.pool:
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try:
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volume_name, pool_name = pool_vol.split('=')
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pools[volume_name] = pool_name
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except ValueError:
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parser.error(
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'Pool argument must be of form: -P volume_name=pool_name')
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if args.one_pool:
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pool = args.one_pool
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if args.disp:
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args.properties.setdefault('label', 'red')
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args.cls = 'DispVM'
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if args.standalone:
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args.cls = 'StandaloneVM'
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if 'label' not in args.properties:
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parser.error('--label option is mandatory')
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if 'name' not in args.properties:
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parser.error('VMNAME is mandatory')
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root_source_path = args.root_copy_from or args.root_move_from
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if root_source_path and not os.path.exists(root_source_path):
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parser.error(
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'File pointed by --root-copy-from/--root-move-from does not exist')
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# those are known of non-persistent root, do not list those with known
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# persistent root, as an extension may add new classes
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if root_source_path and args.cls in ('AppVM', 'DispVM'):
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parser.error('--root-copy-from/--root-move-from used but this qube '
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'does not have own \'root\' volume (uses template\'s one)')
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try:
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args.app.get_label(args.properties['label'])
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except KeyError:
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parser.error('no such label: {!r}; available: {}'.format(
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args.properties['label'],
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', '.join(args.app.labels)))
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try:
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args.app.get_vm_class(args.cls)
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except KeyError:
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parser.error('no such domain class: {!r}'.format(args.cls))
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try:
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if args.cls == 'StandaloneVM' and 'template' in args.properties:
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# "template-based" StandaloneVM is special, as it's a clone of
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# the template
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vm = args.app.clone_vm(args.properties.pop('template'),
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args.properties.pop('name'),
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new_cls=args.cls,
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pool=pool,
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pools=pools,
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ignore_volumes=('private',))
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else:
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vm = args.app.add_new_vm(args.cls,
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name=args.properties.pop('name'),
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label=args.properties.pop('label'),
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template=args.properties.pop('template', None),
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pool=pool,
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pools=pools)
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except qubesadmin.exc.QubesException as e:
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args.app.log.error('Error creating VM: {!s}'.format(e))
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return 1
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retcode = 0
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for prop, value in args.properties.items():
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try:
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setattr(vm, prop, value)
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except qubesadmin.exc.QubesException as e:
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args.app.log.error(
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'Error setting property {} (but VM created): {!s}'.
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format(prop, e))
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retcode = 2
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if root_source_path:
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try:
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root_size = os.path.getsize(root_source_path)
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if root_size > vm.volumes['root'].size:
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vm.volumes['root'].resize(root_size)
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with open(root_source_path, 'rb') as root_file:
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vm.volumes['root'].import_data(root_file)
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if args.root_move_from:
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os.unlink(root_source_path)
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except qubesadmin.exc.QubesException as e:
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args.app.log.error(
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'Error importing root volume (but VM created): {}'.
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format(e))
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retcode = 3
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return retcode
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if __name__ == '__main__':
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sys.exit(main())
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