core-admin/qubes/tests/vm/appvm.py
2020-01-23 10:42:26 +01:00

182 lines
6.8 KiB
Python

# -*- encoding: utf-8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2017 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
#
# This library 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 library 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 library; if not, see <https://www.gnu.org/licenses/>.
from unittest import mock
import lxml.etree
import qubes.storage
import qubes.tests
import qubes.tests.vm.qubesvm
import qubes.vm.appvm
import qubes.vm.templatevm
class TestApp(object):
labels = {1: qubes.Label(1, '0xcc0000', 'red')}
def __init__(self):
self.domains = {}
class TestProp(object):
# pylint: disable=too-few-public-methods
__name__ = 'testprop'
class TestVM(object):
# pylint: disable=too-few-public-methods
app = TestApp()
def __init__(self, **kwargs):
self.running = False
self.installed_by_rpm = False
for k, v in kwargs.items():
setattr(self, k, v)
def is_running(self):
return self.running
class TestPool(qubes.storage.Pool):
def init_volume(self, vm, volume_config):
vid = '{}/{}'.format(vm.name, volume_config['name'])
assert volume_config.pop('pool', None) == self
return qubes.storage.Volume(vid=vid, pool=self, **volume_config)
class TC_90_AppVM(qubes.tests.vm.qubesvm.QubesVMTestsMixin,
qubes.tests.QubesTestCase):
def setUp(self):
super().setUp()
self.app.pools['default'] = TestPool('default')
self.app.pools['linux-kernel'] = mock.Mock(**{
'init_volume.return_value.pool': 'linux-kernel'})
self.template = qubes.vm.templatevm.TemplateVM(self.app, None,
qid=1, name=qubes.tests.VMPREFIX + 'template')
self.app.domains[self.template.name] = self.template
self.app.domains[self.template] = self.template
self.addCleanup(self.cleanup_appvm)
def cleanup_appvm(self):
self.template.close()
del self.template
self.app.domains.clear()
self.app.pools.clear()
def get_vm(self, **kwargs):
vm = qubes.vm.appvm.AppVM(self.app, None,
qid=2, name=qubes.tests.VMPREFIX + 'test',
template=self.template,
**kwargs)
self.addCleanup(vm.close)
return vm
def test_000_init(self):
self.get_vm()
def test_001_storage_init(self):
vm = self.get_vm()
self.assertTrue(vm.volume_config['private']['save_on_stop'])
self.assertFalse(vm.volume_config['private']['snap_on_start'])
self.assertIsNone(vm.volume_config['private'].get('source', None))
self.assertFalse(vm.volume_config['root']['save_on_stop'])
self.assertTrue(vm.volume_config['root']['snap_on_start'])
self.assertEqual(vm.volume_config['root'].get('source', None),
self.template.volumes['root'])
self.assertFalse(
vm.volume_config['volatile'].get('save_on_stop', False))
self.assertFalse(
vm.volume_config['volatile'].get('snap_on_start', False))
self.assertIsNone(vm.volume_config['volatile'].get('source', None))
def test_002_storage_template_change(self):
vm = self.get_vm()
# create new mock, so new template will get different volumes
self.app.pools['default'] = mock.Mock(**{
'init_volume.return_value.pool': 'default'})
template2 = qubes.vm.templatevm.TemplateVM(self.app, None,
qid=3, name=qubes.tests.VMPREFIX + 'template2')
self.app.domains[template2.name] = template2
self.app.domains[template2] = template2
vm.template = template2
self.assertFalse(vm.volume_config['root']['save_on_stop'])
self.assertTrue(vm.volume_config['root']['snap_on_start'])
self.assertNotEqual(vm.volume_config['root'].get('source', None),
self.template.volumes['root'].source)
self.assertEqual(vm.volume_config['root'].get('source', None),
template2.volumes['root'])
def test_003_template_change_running(self):
vm = self.get_vm()
with mock.patch.object(vm, 'get_power_state') as mock_power:
mock_power.return_value = 'Running'
with self.assertRaises(qubes.exc.QubesVMNotHaltedError):
vm.template = self.template
def test_004_template_reset(self):
vm = self.get_vm()
with self.assertRaises(qubes.exc.QubesValueError):
vm.template = qubes.property.DEFAULT
def test_500_property_migrate_template_for_dispvms(self):
xml_template = '''
<domain class="AppVM" id="domain-1">
<properties>
<property name="qid">1</property>
<property name="name">testvm</property>
<property name="label" ref="label-1" />
<property name="dispvm_allowed">{value}</property>
</properties>
</domain>
'''
xml = lxml.etree.XML(xml_template.format(value='True'))
vm = qubes.vm.appvm.AppVM(self.app, xml)
self.assertEqual(vm.template_for_dispvms, True)
with self.assertRaises(AttributeError):
vm.dispvm_allowed
xml = lxml.etree.XML(xml_template.format(value='False'))
vm = qubes.vm.appvm.AppVM(self.app, xml)
self.assertEqual(vm.template_for_dispvms, False)
with self.assertRaises(AttributeError):
vm.dispvm_allowed
def test_600_load_volume_config(self):
xml_template = '''
<domain class="AppVM" id="domain-1">
<properties>
<property name="qid">1</property>
<property name="name">testvm</property>
<property name="label" ref="label-1" />
</properties>
<volume-config>
<volume name="root" pool="lvm" revisions_to_keep="3" rw="True"
size="1234" vid="qubes_dom0/vm-testvm-root" />
</volume-config>
</domain>
'''
xml = lxml.etree.XML(xml_template)
vm = qubes.vm.appvm.AppVM(self.app, xml)
self.assertEqual(vm.volume_config['root']['revisions_to_keep'], '3')
self.assertEqual(vm.volume_config['root']['rw'], True)
self.assertEqual(vm.volume_config['root']['size'], '1234')
self.assertEqual(vm.volume_config['root']['vid'],
'qubes_dom0/vm-testvm-root')