core-admin/qubes/vm/templatevm.py
2017-01-20 16:42:51 +01:00

105 lines
3.4 KiB
Python

#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2014-2016 Wojtek Porczyk <woju@invisiblethingslab.com>
# Copyright (C) 2016 Marek Marczykowski <marmarek@invisiblethingslab.com>)
# Copyright (C) 2016 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
#
# 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.
#
''' This module contains the TemplateVM implementation '''
import warnings
import qubes
import qubes.config
import qubes.vm.qubesvm
from qubes.config import defaults
from qubes.vm.qubesvm import QubesVM
class TemplateVM(QubesVM):
'''Template for AppVM'''
dir_path_prefix = qubes.config.system_path['qubes_templates_dir']
@property
def rootcow_img(self):
'''COW image'''
warnings.warn("rootcow_img is deprecated, use "
"volumes['root'].path_origin", DeprecationWarning)
return self.volumes['root'].path_cow
@property
def appvms(self):
''' Returns a generator containing all domains based on the current
TemplateVM.
'''
for vm in self.app.domains:
if hasattr(vm, 'template') and vm.template is self:
yield vm
def __init__(self, *args, **kwargs):
assert 'template' not in kwargs, "A TemplateVM can not have a template"
self.volume_config = {
'root': {
'name': 'root',
'pool': 'default',
'snap_on_start': False,
'save_on_stop': True,
'rw': True,
'source': None,
'size': defaults['root_img_size'],
'internal': True
},
'private': {
'name': 'private',
'pool': 'default',
'snap_on_start': False,
'save_on_stop': True,
'rw': True,
'source': None,
'size': defaults['private_img_size'],
'revisions_to_keep': 0,
'internal': True
},
'volatile': {
'name': 'volatile',
'pool': 'default',
'size': defaults['root_img_size'],
'internal': True,
'rw': True,
},
'kernel': {
'name': 'kernel',
'pool': 'linux-kernel',
'snap_on_start': True,
'internal': True,
'rw': False
}
}
super(TemplateVM, self).__init__(*args, **kwargs)
def commit_changes(self):
'''Commit changes to template'''
self.log.debug('commit_changes()')
if not self.app.vmm.offline_mode:
assert not self.is_running(), \
'Attempt to commit changes on running Template VM!'
self.storage.commit()