5bc0baeafa
If any object is leaked, QubesTestCase.cleanup_gc() raises an exception, which have leaked objects list referenced in its traceback. This happens after cleanup_traceback(), so isn't cleaned, causing cleanup_gc() fail for all the further tests in the same test run. Avoid this, by dropping list just before checking if any object is leaked.
1282 lines
45 KiB
Python
1282 lines
45 KiB
Python
# pylint: disable=invalid-name
|
|
|
|
#
|
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# The Qubes OS Project, https://www.qubes-os.org/
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#
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# Copyright (C) 2014-2015 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2014-2015
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# Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
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# Copyright (C) 2014-2015 Wojtek Porczyk <woju@invisiblethingslab.com>
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#
|
|
# 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.
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#
|
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# 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.
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#
|
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, see <https://www.gnu.org/licenses/>.
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#
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"""
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.. warning::
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The test suite hereby claims any domain whose name starts with
|
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:py:data:`VMPREFIX` as fair game. This is needed to enforce sane
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test executing environment. If you have domains named ``test-*``,
|
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don't run the tests.
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|
"""
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|
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import asyncio
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import collections
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import functools
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import logging
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import os
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import pathlib
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import shlex
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import shutil
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import subprocess
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import sys
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import tempfile
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import time
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import traceback
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import unittest
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import warnings
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from distutils import spawn
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import gc
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import lxml.etree
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import pkg_resources
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|
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import qubes
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import qubes.api
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import qubes.api.admin
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import qubes.api.internal
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import qubes.backup
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import qubes.config
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import qubes.devices
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import qubes.events
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import qubes.exc
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import qubes.ext.pci
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import qubes.vm.standalonevm
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import qubes.vm.templatevm
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XMLPATH = '/var/lib/qubes/qubes-test.xml'
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CLASS_XMLPATH = '/var/lib/qubes/qubes-class-test.xml'
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TEMPLATE = 'fedora-23'
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VMPREFIX = 'test-inst-'
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CLSVMPREFIX = 'test-cls-'
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|
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if 'DEFAULT_LVM_POOL' in os.environ.keys():
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DEFAULT_LVM_POOL = os.environ['DEFAULT_LVM_POOL']
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else:
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DEFAULT_LVM_POOL = 'qubes_dom0/pool00'
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POOL_CONF = {'name': 'test-lvm',
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'driver': 'lvm_thin',
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'volume_group': DEFAULT_LVM_POOL.split('/')[0],
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'thin_pool': DEFAULT_LVM_POOL.split('/')[1]}
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|
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#: :py:obj:`True` if running in dom0, :py:obj:`False` otherwise
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in_dom0 = False
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|
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#: :py:obj:`False` if outside of git repo,
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#: path to root of the directory otherwise
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in_git = False
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try:
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import libvirt
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libvirt.openReadOnly(qubes.config.defaults['libvirt_uri']).close()
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in_dom0 = True
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except libvirt.libvirtError:
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pass
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|
|
|
if in_dom0:
|
|
import libvirtaio
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libvirt_event_impl = libvirtaio.virEventRegisterAsyncIOImpl()
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else:
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libvirt_event_impl = None
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|
|
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try:
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|
in_git = subprocess.check_output(
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|
['git', 'rev-parse', '--show-toplevel']).decode().strip()
|
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qubes.log.LOGPATH = '/tmp'
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|
qubes.log.LOGFILE = '/tmp/qubes.log'
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|
except subprocess.CalledProcessError:
|
|
# git returned nonzero, we are outside git repo
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pass
|
|
except OSError:
|
|
# command not found; let's assume we're outside
|
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pass
|
|
|
|
|
|
def skipUnlessDom0(test_item):
|
|
'''Decorator that skips test outside dom0.
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|
|
Some tests (especially integration tests) have to be run in more or less
|
|
working dom0. This is checked by connecting to libvirt.
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|
'''
|
|
|
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return unittest.skipUnless(in_dom0, 'outside dom0')(test_item)
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|
|
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def skipUnlessGit(test_item):
|
|
'''Decorator that skips test outside git repo.
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|
|
|
There are very few tests that an be run only in git. One example is
|
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correctness of example code that won't get included in RPM.
|
|
'''
|
|
|
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return unittest.skipUnless(in_git, 'outside git tree')(test_item)
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|
|
|
def skipUnlessEnv(varname):
|
|
'''Decorator generator for skipping tests without environment variable set.
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|
|
|
Some tests require working X11 display, like those using GTK library, which
|
|
segfaults without connection to X.
|
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Other require their own, custom variables.
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'''
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|
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return unittest.skipUnless(os.getenv(varname), 'no {} set'.format(varname))
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|
|
|
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class TestEmitter(qubes.events.Emitter):
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'''Dummy event emitter which records events fired on it.
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|
|
|
Events are counted in :py:attr:`fired_events` attribute, which is
|
|
:py:class:`collections.Counter` instance. For each event, ``(event, args,
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kwargs)`` object is counted. *event* is event name (a string), *args* is
|
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tuple with positional arguments and *kwargs* is sorted tuple of items from
|
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keyword arguments.
|
|
|
|
>>> emitter = TestEmitter()
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>>> emitter.fired_events
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Counter()
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>>> emitter.fire_event('event', spam='eggs', foo='bar')
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>>> emitter.fired_events
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Counter({('event', (1, 2, 3), (('foo', 'bar'), ('spam', 'eggs'))): 1})
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'''
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|
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def __init__(self, *args, **kwargs):
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super(TestEmitter, self).__init__(*args, **kwargs)
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|
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#: :py:class:`collections.Counter` instance
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self.fired_events = collections.Counter()
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def fire_event(self, event, **kwargs):
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effects = super(TestEmitter, self).fire_event(event, **kwargs)
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ev_kwargs = frozenset(
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(key,
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frozenset(value.items()) if isinstance(value, dict)
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else tuple(value) if isinstance(value, list)
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else value)
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for key, value in kwargs.items()
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)
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self.fired_events[(event, ev_kwargs)] += 1
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return effects
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|
|
@asyncio.coroutine
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|
def fire_event_async(self, event, pre_event=False, **kwargs):
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|
effects = yield from super(TestEmitter, self).fire_event_async(
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event, pre_event=pre_event, **kwargs)
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ev_kwargs = frozenset(
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|
(key,
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frozenset(value.items()) if isinstance(value, dict) else value)
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for key, value in kwargs.items()
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)
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self.fired_events[(event, ev_kwargs)] += 1
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return effects
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|
|
|
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def expectedFailureIfTemplate(templates):
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|
"""
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|
Decorator for marking specific test as expected to fail only for some
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templates. Template name is compared as substring, so 'whonix' will
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handle both 'whonix-ws' and 'whonix-gw'.
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|
templates can be either a single string, or an iterable
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|
"""
|
|
def decorator(func):
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|
@functools.wraps(func)
|
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def wrapper(self, *args, **kwargs):
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template = self.template
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if isinstance(templates, str):
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|
should_expect_fail = template in templates
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|
else:
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|
should_expect_fail = any([template in x for x in templates])
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|
if should_expect_fail:
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|
try:
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func(self, *args, **kwargs)
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|
except Exception:
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|
raise unittest.case._ExpectedFailure(sys.exc_info())
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|
raise unittest.case._UnexpectedSuccess()
|
|
else:
|
|
# Call directly:
|
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func(self, *args, **kwargs)
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return wrapper
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|
return decorator
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|
|
class _AssertNotRaisesContext(object):
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|
"""A context manager used to implement TestCase.assertNotRaises methods.
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|
|
|
Stolen from unittest and hacked. Regexp support stripped.
|
|
""" # pylint: disable=too-few-public-methods
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|
|
def __init__(self, expected, test_case, expected_regexp=None):
|
|
if expected_regexp is not None:
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|
raise NotImplementedError('expected_regexp is unsupported')
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|
|
|
self.expected = expected
|
|
self.exception = None
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|
|
self.failureException = test_case.failureException
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|
|
|
|
def __enter__(self):
|
|
return self
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|
|
|
|
def __exit__(self, exc_type, exc_value, tb):
|
|
if exc_type is None:
|
|
return True
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|
|
|
if issubclass(exc_type, self.expected):
|
|
raise self.failureException(
|
|
"{!r} raised, traceback:\n{!s}".format(
|
|
exc_value, ''.join(traceback.format_tb(tb))))
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|
else:
|
|
# pass through
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|
return False
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|
|
|
self.exception = exc_value # store for later retrieval
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|
|
|
class _QrexecPolicyContext(object):
|
|
'''Context manager for SystemTestCase.qrexec_policy'''
|
|
|
|
def __init__(self, service, source, destination, allow=True, action=None):
|
|
try:
|
|
source = source.name
|
|
except AttributeError:
|
|
pass
|
|
|
|
try:
|
|
destination = destination.name
|
|
except AttributeError:
|
|
pass
|
|
|
|
self._filename = pathlib.Path('/etc/qubes-rpc/policy') / service
|
|
if action is None:
|
|
action = 'allow' if allow else 'deny'
|
|
self._rule = '{} {} {}\n'.format(source, destination, action)
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|
self._did_create = False
|
|
self._handle = None
|
|
|
|
def load(self):
|
|
if self._handle is None:
|
|
try:
|
|
self._handle = self._filename.open('r+')
|
|
except FileNotFoundError:
|
|
self._handle = self._filename.open('w+')
|
|
self._did_create = True
|
|
self._handle.seek(0)
|
|
return self._handle.readlines()
|
|
|
|
def save(self, rules):
|
|
assert self._handle is not None
|
|
self._handle.truncate(0)
|
|
self._handle.seek(0)
|
|
self._handle.write(''.join(rules))
|
|
self._handle.flush()
|
|
|
|
def close(self):
|
|
assert self._handle is not None
|
|
self._handle.close()
|
|
self._handle = None
|
|
|
|
def __enter__(self):
|
|
rules = self.load()
|
|
rules.insert(0, self._rule)
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|
self.save(rules)
|
|
return self
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|
|
|
def __exit__(self, exc_type, exc_value, tb):
|
|
if not self._did_create:
|
|
try:
|
|
rules = self.load()
|
|
rules.remove(self._rule)
|
|
self.save(rules)
|
|
finally:
|
|
self.close()
|
|
else:
|
|
self.close()
|
|
self._filename.unlink()
|
|
|
|
class substitute_entry_points(object):
|
|
'''Monkey-patch pkg_resources to substitute one group in iter_entry_points
|
|
|
|
This is for testing plugins, like device classes.
|
|
|
|
:param str group: The group that is to be overloaded.
|
|
:param str tempgroup: The substitute group.
|
|
|
|
Inside this context, if one iterates over entry points in overloaded group,
|
|
the iteration actually happens over the other group.
|
|
|
|
This context manager is stackable. To substitute more than one entry point
|
|
group, just nest two contexts.
|
|
''' # pylint: disable=invalid-name
|
|
|
|
def __init__(self, group, tempgroup):
|
|
self.group = group
|
|
self.tempgroup = tempgroup
|
|
self._orig_iter_entry_points = None
|
|
|
|
def _iter_entry_points(self, group, *args, **kwargs):
|
|
if group == self.group:
|
|
group = self.tempgroup
|
|
return self._orig_iter_entry_points(group, *args, **kwargs)
|
|
|
|
def __enter__(self):
|
|
self._orig_iter_entry_points = pkg_resources.iter_entry_points
|
|
pkg_resources.iter_entry_points = self._iter_entry_points
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_value, tb):
|
|
pkg_resources.iter_entry_points = self._orig_iter_entry_points
|
|
self._orig_iter_entry_points = None
|
|
|
|
|
|
class QubesTestCase(unittest.TestCase):
|
|
'''Base class for Qubes unit tests.
|
|
'''
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(QubesTestCase, self).__init__(*args, **kwargs)
|
|
self.longMessage = True
|
|
self.log = logging.getLogger('{}.{}.{}'.format(
|
|
self.__class__.__module__,
|
|
self.__class__.__name__,
|
|
self._testMethodName))
|
|
self.addTypeEqualityFunc(qubes.devices.DeviceManager,
|
|
self.assertDevicesEqual)
|
|
|
|
self.loop = None
|
|
|
|
|
|
def __str__(self):
|
|
return '{}/{}/{}'.format(
|
|
self.__class__.__module__,
|
|
self.__class__.__name__,
|
|
self._testMethodName)
|
|
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
self.addCleanup(self.cleanup_gc)
|
|
|
|
self.loop = asyncio.get_event_loop()
|
|
self.addCleanup(self.cleanup_loop)
|
|
self.addCleanup(self.cleanup_traceback)
|
|
self.addCleanup(qubes.ext.pci._cache_get.cache_clear)
|
|
|
|
def cleanup_traceback(self):
|
|
'''Remove local variables reference from tracebacks to allow garbage
|
|
collector to clean all Qubes*() objects, otherwise file descriptors
|
|
held by them will leak'''
|
|
for test_case, exc_info in self._outcome.errors:
|
|
if test_case is not self:
|
|
continue
|
|
if exc_info is None:
|
|
continue
|
|
traceback.clear_frames(exc_info[2])
|
|
|
|
def cleanup_gc(self):
|
|
gc.collect()
|
|
leaked = [obj for obj in gc.get_objects() + gc.garbage
|
|
if isinstance(obj,
|
|
(qubes.Qubes, qubes.vm.BaseVM,
|
|
libvirt.virConnect, libvirt.virDomain))]
|
|
|
|
if leaked:
|
|
try:
|
|
import objgraph
|
|
objgraph.show_backrefs(leaked,
|
|
max_depth=15, extra_info=extra_info,
|
|
filename='/tmp/objgraph-{}.png'.format(self.id()))
|
|
except ImportError:
|
|
pass
|
|
|
|
# do not keep leaked object references in locals()
|
|
leaked = bool(leaked)
|
|
assert not leaked
|
|
|
|
def cleanup_loop(self):
|
|
'''Check if the loop is empty'''
|
|
# XXX BEWARE this is touching undocumented, implementation-specific
|
|
# attributes of the loop. This is most certainly unsupported and likely
|
|
# will break when messing with: Python version, kernel family, loop
|
|
# implementation, a combination thereof, or other things.
|
|
# KEYWORDS for searching:
|
|
# win32, SelectorEventLoop, ProactorEventLoop, uvloop, gevent
|
|
|
|
global libvirt_event_impl
|
|
|
|
# really destroy all objects that could have used loop and/or libvirt
|
|
gc.collect()
|
|
|
|
# Check for unfinished libvirt business.
|
|
if libvirt_event_impl is not None:
|
|
try:
|
|
self.loop.run_until_complete(asyncio.wait_for(
|
|
libvirt_event_impl.drain(), timeout=4))
|
|
except asyncio.TimeoutError:
|
|
raise AssertionError('libvirt event impl drain timeout')
|
|
|
|
# this is stupid, but apparently it requires two passes
|
|
# to cleanup SIGCHLD handlers
|
|
self.loop.stop()
|
|
self.loop.run_forever()
|
|
self.loop.stop()
|
|
self.loop.run_forever()
|
|
|
|
# Check there are no Tasks left.
|
|
assert not self.loop._ready
|
|
assert not self.loop._scheduled
|
|
|
|
# Check the loop watches no descriptors.
|
|
# NOTE the loop has a pipe for self-interrupting, created once per
|
|
# lifecycle, and it is unwatched only at loop.close(); so we cannot just
|
|
# check selector for non-emptiness
|
|
assert len(self.loop._selector.get_map()) \
|
|
== int(self.loop._ssock is not None)
|
|
|
|
del self.loop
|
|
|
|
def assertNotRaises(self, excClass, callableObj=None, *args, **kwargs):
|
|
"""Fail if an exception of class excClass is raised
|
|
by callableObj when invoked with arguments args and keyword
|
|
arguments kwargs. If a different type of exception is
|
|
raised, it will not be caught, and the test case will be
|
|
deemed to have suffered an error, exactly as for an
|
|
unexpected exception.
|
|
|
|
If called with callableObj omitted or None, will return a
|
|
context object used like this::
|
|
|
|
with self.assertRaises(SomeException):
|
|
do_something()
|
|
|
|
The context manager keeps a reference to the exception as
|
|
the 'exception' attribute. This allows you to inspect the
|
|
exception after the assertion::
|
|
|
|
with self.assertRaises(SomeException) as cm:
|
|
do_something()
|
|
the_exception = cm.exception
|
|
self.assertEqual(the_exception.error_code, 3)
|
|
"""
|
|
context = _AssertNotRaisesContext(excClass, self)
|
|
if callableObj is None:
|
|
return context
|
|
with context:
|
|
callableObj(*args, **kwargs)
|
|
|
|
|
|
def assertXMLEqual(self, xml1, xml2, msg=''):
|
|
'''Check for equality of two XML objects.
|
|
|
|
:param xml1: first element
|
|
:param xml2: second element
|
|
:type xml1: :py:class:`lxml.etree._Element`
|
|
:type xml2: :py:class:`lxml.etree._Element`
|
|
'''
|
|
|
|
self.assertEqual(xml1.tag, xml2.tag)
|
|
msg += '/' + str(xml1.tag)
|
|
|
|
if xml1.text is not None and xml2.text is not None:
|
|
self.assertEqual(xml1.text.strip(), xml2.text.strip(), msg)
|
|
else:
|
|
self.assertEqual(xml1.text, xml2.text, msg)
|
|
self.assertCountEqual(xml1.keys(), xml2.keys(), msg)
|
|
for key in xml1.keys():
|
|
self.assertEqual(xml1.get(key), xml2.get(key), msg)
|
|
|
|
self.assertEqual(len(xml1), len(xml2), msg + ' children count')
|
|
for child1, child2 in zip(xml1, xml2):
|
|
self.assertXMLEqual(child1, child2, msg=msg)
|
|
|
|
def assertDevicesEqual(self, devices1, devices2, msg=None):
|
|
self.assertEqual(devices1.keys(), devices2.keys(), msg)
|
|
for dev_class in devices1.keys():
|
|
self.assertEqual(
|
|
[str(dev) for dev in devices1[dev_class]],
|
|
[str(dev) for dev in devices2[dev_class]],
|
|
"Devices of class {} differs{}".format(
|
|
dev_class, (": " + msg) if msg else "")
|
|
)
|
|
|
|
def assertEventFired(self, subject, event, kwargs=None):
|
|
'''Check whether event was fired on given emitter and fail if it did
|
|
not.
|
|
|
|
:param subject: emitter which is being checked
|
|
:type emitter: :py:class:`TestEmitter`
|
|
:param str event: event identifier
|
|
:param dict kwargs: when given, all items must appear in kwargs passed \
|
|
to an event
|
|
'''
|
|
|
|
will_not_match = object()
|
|
for ev, ev_kwargs in subject.fired_events:
|
|
if ev != event:
|
|
continue
|
|
if kwargs is not None:
|
|
ev_kwargs = dict(ev_kwargs)
|
|
if any(ev_kwargs.get(k, will_not_match) != v
|
|
for k, v in kwargs.items()):
|
|
continue
|
|
|
|
return
|
|
|
|
self.fail('event {!r} {}did not fire on {!r}'.format(
|
|
event, ('' if kwargs is None else '{!r} '.format(kwargs)), subject))
|
|
|
|
|
|
def assertEventNotFired(self, subject, event, kwargs=None):
|
|
'''Check whether event was fired on given emitter. Fail if it did.
|
|
|
|
:param subject: emitter which is being checked
|
|
:type emitter: :py:class:`TestEmitter`
|
|
:param str event: event identifier
|
|
:param list kwargs: when given, all items must appear in kwargs passed \
|
|
to an event
|
|
'''
|
|
|
|
will_not_match = object()
|
|
for ev, ev_kwargs in subject.fired_events:
|
|
if ev != event:
|
|
continue
|
|
if kwargs is not None:
|
|
ev_kwargs = dict(ev_kwargs)
|
|
if any(ev_kwargs.get(k, will_not_match) != v
|
|
for k, v in kwargs.items()):
|
|
continue
|
|
|
|
self.fail('event {!r} {}did fire on {!r}'.format(
|
|
event,
|
|
('' if kwargs is None else '{!r} '.format(kwargs)),
|
|
subject))
|
|
|
|
return
|
|
|
|
|
|
def assertXMLIsValid(self, xml, file=None, schema=None):
|
|
'''Check whether given XML fulfills Relax NG schema.
|
|
|
|
Schema can be given in a couple of ways:
|
|
|
|
- As separate file. This is most common, and also the only way to
|
|
handle file inclusion. Call with file name as second argument.
|
|
|
|
- As string containing actual schema. Put that string in *schema*
|
|
keyword argument.
|
|
|
|
:param lxml.etree._Element xml: XML element instance to check
|
|
:param str file: filename of Relax NG schema
|
|
:param str schema: optional explicit schema string
|
|
''' # pylint: disable=redefined-builtin
|
|
|
|
if schema is not None and file is None:
|
|
relaxng = schema
|
|
if isinstance(relaxng, str):
|
|
relaxng = lxml.etree.XML(relaxng)
|
|
# pylint: disable=protected-access
|
|
if isinstance(relaxng, lxml.etree._Element):
|
|
relaxng = lxml.etree.RelaxNG(relaxng)
|
|
|
|
elif file is not None and schema is None:
|
|
if not os.path.isabs(file):
|
|
basedirs = ['/usr/share/doc/qubes/relaxng']
|
|
if in_git:
|
|
basedirs.insert(0, os.path.join(in_git, 'relaxng'))
|
|
for basedir in basedirs:
|
|
abspath = os.path.join(basedir, file)
|
|
if os.path.exists(abspath):
|
|
file = abspath
|
|
break
|
|
relaxng = lxml.etree.RelaxNG(file=file)
|
|
|
|
else:
|
|
raise TypeError("There should be excactly one of 'file' and "
|
|
"'schema' arguments specified.")
|
|
|
|
# We have to be extra careful here in case someone messed up with
|
|
# self.failureException. It should by default be AssertionError, just
|
|
# what is spewed by RelaxNG(), but who knows what might happen.
|
|
try:
|
|
relaxng.assert_(xml)
|
|
except self.failureException:
|
|
raise
|
|
except AssertionError as e:
|
|
self.fail(str(e))
|
|
|
|
@staticmethod
|
|
def make_vm_name(name, class_teardown=False):
|
|
if class_teardown:
|
|
return CLSVMPREFIX + name
|
|
else:
|
|
return VMPREFIX + name
|
|
|
|
|
|
class SystemTestCase(QubesTestCase):
|
|
"""
|
|
Mixin for integration tests. All the tests here should use self.app
|
|
object and when need qubes.xml path - should use :py:data:`XMLPATH`
|
|
defined in this file.
|
|
Every VM created by test, must use :py:meth:`SystemTestCase.make_vm_name`
|
|
for VM name.
|
|
By default self.app represents empty collection, if anything is needed
|
|
there from the real collection it can be imported from self.host_app in
|
|
:py:meth:`SystemTestCase.setUp`. But *can not be modified* in any way -
|
|
this include both changing attributes in
|
|
:py:attr:`SystemTestCase.host_app` and modifying files of such imported
|
|
VM. If test need to make some modification, it must clone the VM first.
|
|
|
|
If some group of tests needs class-wide initialization, first of all the
|
|
author should consider if it is really needed. But if so, setUpClass can
|
|
be used to create Qubes(CLASS_XMLPATH) object and create/import required
|
|
stuff there. VMs created in :py:meth:`TestCase.setUpClass` should
|
|
use self.make_vm_name('...', class_teardown=True) for name creation.
|
|
Such (group of) test need to take care about
|
|
:py:meth:`TestCase.tearDownClass` implementation itself.
|
|
"""
|
|
# noinspection PyAttributeOutsideInit
|
|
def setUp(self):
|
|
if not in_dom0:
|
|
self.skipTest('outside dom0')
|
|
super(SystemTestCase, self).setUp()
|
|
self.remove_test_vms()
|
|
|
|
# need some information from the real qubes.xml - at least installed
|
|
# templates; should not be used for testing, only to initialize self.app
|
|
self.host_app = qubes.Qubes(os.path.join(
|
|
qubes.config.qubes_base_dir,
|
|
qubes.config.system_path['qubes_store_filename']))
|
|
if os.path.exists(CLASS_XMLPATH):
|
|
shutil.copy(CLASS_XMLPATH, XMLPATH)
|
|
else:
|
|
shutil.copy(self.host_app.store, XMLPATH)
|
|
self.app = qubes.Qubes(XMLPATH)
|
|
os.environ['QUBES_XML_PATH'] = XMLPATH
|
|
self.app.register_event_handlers()
|
|
|
|
self.qubesd = self.loop.run_until_complete(
|
|
qubes.api.create_servers(
|
|
qubes.api.admin.QubesAdminAPI,
|
|
qubes.api.internal.QubesInternalAPI,
|
|
app=self.app, debug=True))
|
|
|
|
self.addCleanup(self.cleanup_app)
|
|
|
|
self.app.add_handler('domain-delete', self.close_qdb_on_remove)
|
|
|
|
def close_qdb_on_remove(self, app, event, vm, **kwargs):
|
|
# only close QubesDB connection, do not perform other (destructive)
|
|
# actions of vm.close()
|
|
if vm._qdb_connection_watch is not None:
|
|
asyncio.get_event_loop().remove_reader(
|
|
vm._qdb_connection_watch.watch_fd())
|
|
vm._qdb_connection_watch.close()
|
|
vm._qdb_connection_watch = None
|
|
|
|
def cleanup_app(self):
|
|
self.remove_test_vms()
|
|
|
|
server = None
|
|
for server in self.qubesd:
|
|
for sock in server.sockets:
|
|
os.unlink(sock.getsockname())
|
|
server.close()
|
|
del server
|
|
|
|
# close all existing connections, especially this will interrupt
|
|
# running admin.Events calls, which do keep reference to Qubes() and
|
|
# libvirt connection
|
|
conn = None
|
|
for conn in qubes.api.QubesDaemonProtocol.connections:
|
|
if conn.transport:
|
|
conn.transport.abort()
|
|
del conn
|
|
|
|
self.loop.run_until_complete(asyncio.wait([
|
|
server.wait_closed() for server in self.qubesd]))
|
|
del self.qubesd
|
|
|
|
# remove all references to any complex qubes objects, to release
|
|
# resources - most importantly file descriptors; this object will live
|
|
# during the whole test run, but all the file descriptors would be
|
|
# depleted earlier
|
|
self.app.close()
|
|
self.host_app.close()
|
|
del self.app
|
|
del self.host_app
|
|
for attr in dir(self):
|
|
obj_type = type(getattr(self, attr))
|
|
if obj_type.__module__.startswith('qubes'):
|
|
delattr(self, attr)
|
|
|
|
# then trigger garbage collector to really destroy those objects
|
|
gc.collect()
|
|
|
|
def init_default_template(self, template=None):
|
|
if template is None:
|
|
template = self.host_app.default_template
|
|
elif isinstance(template, str):
|
|
template = self.host_app.domains[template]
|
|
|
|
self.app.default_template = str(template)
|
|
|
|
def init_networking(self):
|
|
if not self.app.default_template:
|
|
self.skipTest('Default template required for testing networking')
|
|
default_netvm = self.host_app.default_netvm
|
|
# if testing Whonix Workstation based VMs, try to use sys-whonix instead
|
|
if self.app.default_template.name.startswith('whonix-ws'):
|
|
if 'sys-whonix' in self.host_app.domains:
|
|
default_netvm = self.host_app.domains['sys-whonix']
|
|
if default_netvm is None:
|
|
self.skipTest('Default netvm required')
|
|
if not default_netvm.is_running():
|
|
self.skipTest('VM {} required to be running'.format(
|
|
default_netvm.name))
|
|
|
|
self.app.default_netvm = str(default_netvm)
|
|
|
|
|
|
def _find_pool(self, volume_group, thin_pool):
|
|
''' Returns the pool matching the specified ``volume_group`` &
|
|
``thin_pool``, or None.
|
|
'''
|
|
pools = [p for p in self.app.pools
|
|
if issubclass(p.__class__, qubes.storage.lvm.ThinPool)]
|
|
for pool in pools:
|
|
if pool.volume_group == volume_group \
|
|
and pool.thin_pool == thin_pool:
|
|
return pool
|
|
return None
|
|
|
|
def init_lvm_pool(self):
|
|
volume_group, thin_pool = DEFAULT_LVM_POOL.split('/', 1)
|
|
path = "/dev/mapper/{!s}-{!s}".format(volume_group, thin_pool)
|
|
if not os.path.exists(path):
|
|
self.skipTest('LVM thin pool {!r} does not exist'.
|
|
format(DEFAULT_LVM_POOL))
|
|
self.pool = self._find_pool(volume_group, thin_pool)
|
|
if not self.pool:
|
|
self.pool = self.app.add_pool(**POOL_CONF)
|
|
self.created_pool = True
|
|
|
|
def _remove_vm_qubes(self, vm):
|
|
vmname = vm.name
|
|
app = vm.app
|
|
|
|
# avoid race with DispVM.auto_cleanup=True
|
|
try:
|
|
self.loop.run_until_complete(
|
|
asyncio.wait_for(vm.startup_lock.acquire(), 10))
|
|
except asyncio.TimeoutError:
|
|
pass
|
|
|
|
try:
|
|
# XXX .is_running() may throw libvirtError if undefined
|
|
if vm.is_running():
|
|
self.loop.run_until_complete(vm.kill())
|
|
except: # pylint: disable=bare-except
|
|
pass
|
|
|
|
try:
|
|
self.loop.run_until_complete(vm.remove_from_disk())
|
|
except: # pylint: disable=bare-except
|
|
pass
|
|
|
|
try:
|
|
del app.domains[vm.qid]
|
|
except KeyError:
|
|
pass
|
|
vm.close()
|
|
del vm
|
|
|
|
app.save()
|
|
del app
|
|
|
|
# Now ensure it really went away. This may not have happened,
|
|
# for example if vm.libvirt_domain malfunctioned.
|
|
try:
|
|
conn = libvirt.open(qubes.config.defaults['libvirt_uri'])
|
|
except: # pylint: disable=bare-except
|
|
pass
|
|
else:
|
|
try:
|
|
dom = conn.lookupByName(vmname)
|
|
except: # pylint: disable=bare-except
|
|
pass
|
|
else:
|
|
self._remove_vm_libvirt(dom)
|
|
conn.close()
|
|
|
|
self._remove_vm_disk(vmname)
|
|
|
|
|
|
@staticmethod
|
|
def _remove_vm_libvirt(dom):
|
|
try:
|
|
dom.destroy()
|
|
except libvirt.libvirtError: # not running
|
|
pass
|
|
dom.undefine()
|
|
|
|
|
|
@staticmethod
|
|
def _remove_vm_disk(vmname):
|
|
for dirspec in (
|
|
'qubes_appvms_dir',
|
|
'qubes_servicevms_dir',
|
|
'qubes_templates_dir'):
|
|
dirpath = os.path.join(qubes.config.qubes_base_dir,
|
|
qubes.config.system_path[dirspec], vmname)
|
|
if os.path.exists(dirpath):
|
|
if os.path.isdir(dirpath):
|
|
shutil.rmtree(dirpath)
|
|
else:
|
|
os.unlink(dirpath)
|
|
|
|
@staticmethod
|
|
def _remove_vm_disk_lvm(prefix=VMPREFIX):
|
|
''' Remove LVM volumes with given prefix
|
|
|
|
This is "a bit" drastic, as it removes volumes regardless of volume
|
|
group, thin pool etc. But we assume no important data on test system.
|
|
'''
|
|
try:
|
|
volumes = subprocess.check_output(
|
|
['lvs', '--noheadings', '-o', 'vg_name,name',
|
|
'--separator', '/']).decode()
|
|
if ('/vm-' + prefix) not in volumes:
|
|
return
|
|
subprocess.check_call(['sudo', 'lvremove', '-f'] +
|
|
[vol.strip() for vol in volumes.splitlines()
|
|
if ('/vm-' + prefix) in vol],
|
|
stdout=subprocess.DEVNULL)
|
|
except subprocess.CalledProcessError:
|
|
pass
|
|
|
|
def remove_vms(self, vms):
|
|
vms = list(vms)
|
|
if not vms:
|
|
return
|
|
# break dependencies
|
|
for vm in vms:
|
|
vm.default_dispvm = None
|
|
# then remove in reverse topological order (wrt netvm), using naive
|
|
# algorithm
|
|
# this heavily depends on lack of netvm loops
|
|
while vms:
|
|
vm = vms.pop(0)
|
|
# make sure that all connected VMs are going to be removed,
|
|
# otherwise this will loop forever
|
|
assert all(x in vms for x in vm.connected_vms)
|
|
if list(vm.connected_vms):
|
|
# if still something use this VM, put it at the end of queue
|
|
# and try next one
|
|
vms.append(vm)
|
|
continue
|
|
self._remove_vm_qubes(vm)
|
|
|
|
def remove_test_vms(self, xmlpath=XMLPATH, prefix=VMPREFIX):
|
|
'''Aggresively remove any domain that has name in testing namespace.
|
|
'''
|
|
|
|
# first, remove them Qubes-way
|
|
if os.path.exists(xmlpath):
|
|
try:
|
|
try:
|
|
app = self.app
|
|
except AttributeError:
|
|
app = qubes.Qubes(xmlpath)
|
|
try:
|
|
host_app = self.host_app
|
|
except AttributeError:
|
|
host_app = qubes.Qubes()
|
|
self.remove_vms([vm for vm in app.domains
|
|
if vm.name.startswith(prefix) or
|
|
(isinstance(vm, qubes.vm.dispvm.DispVM) and vm.name
|
|
not in host_app.domains)])
|
|
if not hasattr(self, 'host_app'):
|
|
host_app.close()
|
|
del host_app
|
|
if not hasattr(self, 'app'):
|
|
app.close()
|
|
del app
|
|
except qubes.exc.QubesException:
|
|
pass
|
|
os.unlink(xmlpath)
|
|
|
|
# now remove what was only in libvirt
|
|
conn = libvirt.open(qubes.config.defaults['libvirt_uri'])
|
|
for dom in conn.listAllDomains():
|
|
if dom.name().startswith(prefix):
|
|
self._remove_vm_libvirt(dom)
|
|
conn.close()
|
|
|
|
# finally remove anything that is left on disk
|
|
vmnames = set()
|
|
for dirspec in (
|
|
'qubes_appvms_dir',
|
|
'qubes_servicevms_dir',
|
|
'qubes_templates_dir'):
|
|
dirpath = os.path.join(qubes.config.qubes_base_dir,
|
|
qubes.config.system_path[dirspec])
|
|
if not os.path.exists(dirpath):
|
|
continue
|
|
for name in os.listdir(dirpath):
|
|
if name.startswith(prefix):
|
|
vmnames.add(name)
|
|
for vmname in vmnames:
|
|
self._remove_vm_disk(vmname)
|
|
self._remove_vm_disk_lvm(prefix)
|
|
|
|
def qrexec_policy(self, service, source, destination, allow=True,
|
|
action=None):
|
|
"""
|
|
Allow qrexec calls for duration of the test
|
|
:param service: service name
|
|
:param source: source VM name
|
|
:param destination: destination VM name
|
|
:param allow: add rule with 'allow' action, otherwise 'deny'
|
|
:param action: custom action, if specified *allow* argument is ignored
|
|
:return:
|
|
"""
|
|
|
|
return _QrexecPolicyContext(service, source, destination,
|
|
allow=allow, action=action)
|
|
|
|
def wait_for_window(self, title, timeout=30, show=True):
|
|
"""
|
|
Wait for a window with a given title. Depending on show parameter,
|
|
it will wait for either window to show or to disappear.
|
|
|
|
:param title: title of the window to wait for
|
|
:param timeout: timeout of the operation, in seconds
|
|
:param show: if True - wait for the window to be visible,
|
|
otherwise - to not be visible
|
|
:return: None
|
|
"""
|
|
|
|
wait_count = 0
|
|
while subprocess.call(['xdotool', 'search', '--name', title],
|
|
stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT) \
|
|
!= int(not show):
|
|
wait_count += 1
|
|
if wait_count > timeout*10:
|
|
self.fail("Timeout while waiting for {} window to {}".format(
|
|
title, "show" if show else "hide")
|
|
)
|
|
self.loop.run_until_complete(asyncio.sleep(0.1))
|
|
|
|
def enter_keys_in_window(self, title, keys):
|
|
"""
|
|
Search for window with given title, then enter listed keys there.
|
|
The function will wait for said window to appear.
|
|
|
|
:param title: title of window
|
|
:param keys: list of keys to enter, as for `xdotool key`
|
|
:return: None
|
|
"""
|
|
|
|
# 'xdotool search --sync' sometimes crashes on some race when
|
|
# accessing window properties
|
|
self.wait_for_window(title)
|
|
command = ['xdotool', 'search', '--name', title,
|
|
'windowactivate', '--sync',
|
|
'key'] + keys
|
|
subprocess.check_call(command)
|
|
|
|
def shutdown_and_wait(self, vm, timeout=60):
|
|
self.loop.run_until_complete(vm.shutdown())
|
|
while timeout > 0:
|
|
if not vm.is_running():
|
|
return
|
|
self.loop.run_until_complete(asyncio.sleep(1))
|
|
timeout -= 1
|
|
name = vm.name
|
|
del vm
|
|
self.fail("Timeout while waiting for VM {} shutdown".format(name))
|
|
|
|
def prepare_hvm_system_linux(self, vm, init_script, extra_files=None):
|
|
if not os.path.exists('/usr/lib/grub/i386-pc'):
|
|
self.skipTest('grub2 not installed')
|
|
if not spawn.find_executable('grub2-install'):
|
|
self.skipTest('grub2-tools not installed')
|
|
if not spawn.find_executable('dracut'):
|
|
self.skipTest('dracut not installed')
|
|
# create a single partition
|
|
p = subprocess.Popen(['sfdisk', '-q', '-L', vm.storage.root_img],
|
|
stdin=subprocess.PIPE,
|
|
stdout=subprocess.DEVNULL,
|
|
stderr=subprocess.STDOUT)
|
|
p.communicate('2048,\n')
|
|
assert p.returncode == 0, 'sfdisk failed'
|
|
# TODO: check if root_img is really file, not already block device
|
|
p = subprocess.Popen(['sudo', 'losetup', '-f', '-P', '--show',
|
|
vm.storage.root_img], stdout=subprocess.PIPE)
|
|
(loopdev, _) = p.communicate()
|
|
loopdev = loopdev.strip()
|
|
looppart = loopdev + 'p1'
|
|
assert p.returncode == 0, 'losetup failed'
|
|
subprocess.check_call(['sudo', 'mkfs.ext2', '-q', '-F', looppart])
|
|
mountpoint = tempfile.mkdtemp()
|
|
subprocess.check_call(['sudo', 'mount', looppart, mountpoint])
|
|
try:
|
|
subprocess.check_call(['sudo', 'grub2-install',
|
|
'--target', 'i386-pc',
|
|
'--modules', 'part_msdos ext2',
|
|
'--boot-directory', mountpoint, loopdev],
|
|
stderr=subprocess.DEVNULL
|
|
)
|
|
grub_cfg = '{}/grub2/grub.cfg'.format(mountpoint)
|
|
subprocess.check_call(
|
|
['sudo', 'chown', '-R', os.getlogin(), mountpoint])
|
|
with open(grub_cfg, 'w') as f:
|
|
f.write(
|
|
"set timeout=1\n"
|
|
"menuentry 'Default' {\n"
|
|
" linux /vmlinuz root=/dev/xvda1 "
|
|
"rd.driver.blacklist=bochs_drm "
|
|
"rd.driver.blacklist=uhci_hcd console=hvc0\n"
|
|
" initrd /initrd\n"
|
|
"}"
|
|
)
|
|
p = subprocess.Popen(['uname', '-r'], stdout=subprocess.PIPE)
|
|
(kernel_version, _) = p.communicate()
|
|
kernel_version = kernel_version.strip()
|
|
kernel = '/boot/vmlinuz-{}'.format(kernel_version)
|
|
shutil.copy(kernel, os.path.join(mountpoint, 'vmlinuz'))
|
|
init_path = os.path.join(mountpoint, 'init')
|
|
with open(init_path, 'w') as f:
|
|
f.write(init_script)
|
|
os.chmod(init_path, 0o755)
|
|
dracut_args = [
|
|
'--kver', kernel_version,
|
|
'--include', init_path,
|
|
'/usr/lib/dracut/hooks/pre-pivot/initscript.sh',
|
|
'--no-hostonly', '--nolvmconf', '--nomdadmconf',
|
|
]
|
|
if extra_files:
|
|
dracut_args += ['--install', ' '.join(extra_files)]
|
|
subprocess.check_call(
|
|
['dracut'] + dracut_args + [os.path.join(mountpoint,
|
|
'initrd')],
|
|
stderr=subprocess.DEVNULL
|
|
)
|
|
finally:
|
|
subprocess.check_call(['sudo', 'umount', mountpoint])
|
|
shutil.rmtree(mountpoint)
|
|
subprocess.check_call(['sudo', 'losetup', '-d', loopdev])
|
|
|
|
def create_bootable_iso(self):
|
|
'''Create simple bootable ISO image.
|
|
Type 'poweroff' to it to terminate that VM.
|
|
'''
|
|
isolinux_cfg = (
|
|
'prompt 1\n'
|
|
'label poweroff\n'
|
|
' kernel poweroff.c32\n'
|
|
)
|
|
output_fd, output_path = tempfile.mkstemp('.iso')
|
|
with tempfile.TemporaryDirectory() as tmp_dir:
|
|
try:
|
|
shutil.copy('/usr/share/syslinux/isolinux.bin', tmp_dir)
|
|
shutil.copy('/usr/share/syslinux/ldlinux.c32', tmp_dir)
|
|
shutil.copy('/usr/share/syslinux/poweroff.c32', tmp_dir)
|
|
with open(os.path.join(tmp_dir, 'isolinux.cfg'), 'w') as cfg:
|
|
cfg.write(isolinux_cfg)
|
|
subprocess.check_call(['genisoimage', '-o', output_path,
|
|
'-c', 'boot.cat',
|
|
'-b', 'isolinux.bin',
|
|
'-no-emul-boot',
|
|
'-boot-load-size', '4',
|
|
'-boot-info-table',
|
|
'-q',
|
|
tmp_dir])
|
|
except FileNotFoundError:
|
|
self.skipTest('syslinux or genisoimage not installed')
|
|
os.close(output_fd)
|
|
self.addCleanup(os.unlink, output_path)
|
|
return output_path
|
|
|
|
def create_local_file(self, filename, content, mode='w'):
|
|
with open(filename, mode) as file:
|
|
file.write(content)
|
|
self.addCleanup(os.unlink, filename)
|
|
|
|
def create_remote_file(self, vm, filename, content):
|
|
self.loop.run_until_complete(vm.run_for_stdio(
|
|
'cat > {}'.format(shlex.quote(filename)),
|
|
user='root', input=content.encode('utf-8')))
|
|
|
|
@asyncio.coroutine
|
|
def wait_for_session(self, vm):
|
|
yield from asyncio.wait_for(
|
|
vm.run_service_for_stdio(
|
|
'qubes.WaitForSession', input=vm.default_user.encode()),
|
|
timeout=30)
|
|
|
|
|
|
_templates = None
|
|
def list_templates():
|
|
'''Returns tuple of template names available in the system.'''
|
|
global _templates
|
|
if _templates is None:
|
|
try:
|
|
app = qubes.Qubes()
|
|
_templates = tuple(vm.name for vm in app.domains
|
|
if isinstance(vm, qubes.vm.templatevm.TemplateVM) and
|
|
vm.features.get('os', None) != 'Windows')
|
|
app.close()
|
|
del app
|
|
except OSError:
|
|
_templates = ()
|
|
return _templates
|
|
|
|
def create_testcases_for_templates(name, *bases, module, **kwds):
|
|
'''Do-it-all helper for generating per-template tests via load_tests proto
|
|
|
|
This does several things:
|
|
- creates per-template classes
|
|
- adds them to module's :py:func:`globals`
|
|
- returns an iterable suitable for passing to loader.loadTestsFromNames
|
|
|
|
TestCase classes created by this function have implicit `.template`
|
|
attribute, which contains name of the respective template. They are also
|
|
named with given prefix, underscore and template name. If template name
|
|
contains characters not valid as part of Python identifier, they are
|
|
impossible to get via standard ``.`` operator, though :py:func:`getattr` is
|
|
still usable.
|
|
|
|
>>> class MyTestsMixIn:
|
|
... def test_000_my_test(self):
|
|
... assert self.template.startswith('debian')
|
|
>>> def load_tests(loader, tests, pattern):
|
|
... tests.addTests(loader.loadTestsFromNames(
|
|
... qubes.tests.create_testcases_for_templates(
|
|
... 'TC_00_MyTests', MyTestsMixIn, qubes.tests.SystemTestCase,
|
|
... module=sys.modules[__name__])))
|
|
|
|
*NOTE* adding ``module=sys.modules[__name__]`` is *mandatory*, and to allow
|
|
enforcing this, it uses keyword-only argument syntax, which is only in
|
|
Python 3.
|
|
'''
|
|
# Do not attempt to grab the module from traceback, since we are actually
|
|
# a generator and loadTestsFromNames may also be a generator, so it's not
|
|
# possible to correctly guess frame from stack. Explicit is better than
|
|
# implicit!
|
|
|
|
for template in list_templates():
|
|
clsname = name + '_' + template
|
|
cls = type(clsname, bases, {'template': template, **kwds})
|
|
cls.__module__ = module.__name__
|
|
# XXX I wonder what other __dunder__ attrs did I miss
|
|
setattr(module, clsname, cls)
|
|
yield '.'.join((module.__name__, clsname))
|
|
|
|
def extra_info(obj):
|
|
'''Return short info identifying object.
|
|
|
|
For example, if obj is a qube, return its name. This is for use with
|
|
:py:mod:`objgraph` package.
|
|
'''
|
|
# Feel free to extend to other cases.
|
|
|
|
if isinstance(obj, qubes.vm.qubesvm.QubesVM):
|
|
try:
|
|
return obj.name
|
|
except AttributeError:
|
|
pass
|
|
if isinstance(obj, unittest.TestCase):
|
|
return obj.id()
|
|
|
|
return ''
|
|
|
|
def load_tests(loader, tests, pattern): # pylint: disable=unused-argument
|
|
# discard any tests from this module, because it hosts base classes
|
|
tests = unittest.TestSuite()
|
|
|
|
for modname in (
|
|
# unit tests
|
|
'qubes.tests.events',
|
|
'qubes.tests.devices',
|
|
'qubes.tests.devices_block',
|
|
'qubes.tests.firewall',
|
|
'qubes.tests.init',
|
|
'qubes.tests.vm.init',
|
|
'qubes.tests.storage',
|
|
'qubes.tests.storage_file',
|
|
'qubes.tests.storage_reflink',
|
|
'qubes.tests.storage_lvm',
|
|
'qubes.tests.storage_kernels',
|
|
'qubes.tests.ext',
|
|
'qubes.tests.vm.qubesvm',
|
|
'qubes.tests.vm.mix.net',
|
|
'qubes.tests.vm.adminvm',
|
|
'qubes.tests.vm.appvm',
|
|
'qubes.tests.vm.dispvm',
|
|
'qubes.tests.app',
|
|
'qubes.tests.tarwriter',
|
|
'qubes.tests.api',
|
|
'qubes.tests.api_admin',
|
|
'qubes.tests.api_misc',
|
|
'qubespolicy.tests',
|
|
'qubespolicy.tests.cli',
|
|
):
|
|
tests.addTests(loader.loadTestsFromName(modname))
|
|
|
|
# GTK/Glib is way too old there
|
|
if 'TRAVIS' not in os.environ:
|
|
for modname in (
|
|
'qubespolicy.tests.gtkhelpers',
|
|
'qubespolicy.tests.rpcconfirmation',
|
|
):
|
|
tests.addTests(loader.loadTestsFromName(modname))
|
|
|
|
tests.addTests(loader.discover(
|
|
os.path.join(os.path.dirname(__file__), 'tools')))
|
|
|
|
if not in_dom0:
|
|
return tests
|
|
|
|
for modname in (
|
|
# integration tests
|
|
'qubes.tests.integ.basic',
|
|
'qubes.tests.integ.storage',
|
|
'qubes.tests.integ.pvgrub',
|
|
'qubes.tests.integ.devices_pci',
|
|
'qubes.tests.integ.dom0_update',
|
|
'qubes.tests.integ.network',
|
|
'qubes.tests.integ.dispvm',
|
|
'qubes.tests.integ.vm_qrexec_gui',
|
|
'qubes.tests.integ.salt',
|
|
'qubes.tests.integ.backup',
|
|
'qubes.tests.integ.backupcompatibility',
|
|
# 'qubes.tests.regressions',
|
|
|
|
# external modules
|
|
'qubes.tests.extra',
|
|
):
|
|
tests.addTests(loader.loadTestsFromName(modname))
|
|
|
|
return tests
|