79 lines
3.1 KiB
Python
79 lines
3.1 KiB
Python
# Copyright 2019 Aptira Pty Ltd
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import mock
|
|
|
|
import nova.privsep.qemu
|
|
from nova import test
|
|
from nova.tests import fixtures
|
|
|
|
|
|
class QemuTestCase(test.NoDBTestCase):
|
|
"""Test qemu related utility methods."""
|
|
|
|
def setUp(self):
|
|
super(QemuTestCase, self).setUp()
|
|
self.useFixture(fixtures.PrivsepFixture())
|
|
|
|
@mock.patch('oslo_concurrency.processutils.execute')
|
|
@mock.patch('nova.privsep.utils.supports_direct_io')
|
|
def _test_convert_image(self, meth, mock_supports_direct_io, mock_execute):
|
|
mock_supports_direct_io.return_value = True
|
|
meth('/fake/source', '/fake/destination', 'informat', 'outformat',
|
|
'/fake/instances/path', compress=True)
|
|
mock_execute.assert_called_with(
|
|
'qemu-img', 'convert', '-t', 'none', '-O', 'outformat',
|
|
'-f', 'informat', '-c', '/fake/source', '/fake/destination')
|
|
|
|
mock_supports_direct_io.reset_mock()
|
|
mock_execute.reset_mock()
|
|
|
|
mock_supports_direct_io.return_value = False
|
|
meth('/fake/source', '/fake/destination', 'informat', 'outformat',
|
|
'/fake/instances/path', compress=True)
|
|
mock_execute.assert_called_with(
|
|
'qemu-img', 'convert', '-t', 'writeback', '-O', 'outformat',
|
|
'-f', 'informat', '-c', '/fake/source', '/fake/destination')
|
|
|
|
def test_convert_image(self):
|
|
self._test_convert_image(nova.privsep.qemu.convert_image)
|
|
|
|
def test_convert_image_unprivileged(self):
|
|
self._test_convert_image(nova.privsep.qemu.unprivileged_convert_image)
|
|
|
|
@mock.patch('oslo_concurrency.processutils.execute')
|
|
@mock.patch('os.path.isdir')
|
|
def _test_qemu_img_info(self, method, mock_isdir, mock_execute):
|
|
mock_isdir.return_value = False
|
|
mock_execute.return_value = (mock.sentinel.out, None)
|
|
expected_cmd = (
|
|
'env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info',
|
|
mock.sentinel.path, '--force-share', '--output=json', '-f',
|
|
mock.sentinel.format)
|
|
|
|
# Assert that the output from processutils is returned
|
|
self.assertEqual(
|
|
mock.sentinel.out,
|
|
method(mock.sentinel.path, format=mock.sentinel.format))
|
|
# Assert that the expected command is used
|
|
mock_execute.assert_called_once_with(
|
|
*expected_cmd, prlimit=nova.privsep.qemu.QEMU_IMG_LIMITS)
|
|
|
|
def test_privileged_qemu_img_info(self):
|
|
self._test_qemu_img_info(nova.privsep.qemu.privileged_qemu_img_info)
|
|
|
|
def test_unprivileged_qemu_img_info(self):
|
|
self._test_qemu_img_info(nova.privsep.qemu.unprivileged_qemu_img_info)
|