116 lines
5.1 KiB
Python
116 lines
5.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import mock
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from os_brick.initiator import connector
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from nova import exception
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from nova.tests.unit.virt.libvirt.volume import test_volume
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from nova import utils
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from nova.virt.libvirt.volume import vzstorage
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class LibvirtVZStorageTestCase(test_volume.LibvirtVolumeBaseTestCase):
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"""Tests the libvirt vzstorage volume driver."""
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def setUp(self):
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super(LibvirtVZStorageTestCase, self).setUp()
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self.mnt_base = '/mnt'
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self.flags(vzstorage_mount_point_base=self.mnt_base, group='libvirt')
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self.flags(vzstorage_cache_path="/tmp/ssd-cache/%(cluster_name)s",
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group='libvirt')
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def test_libvirt_vzstorage_driver(self):
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libvirt_driver = vzstorage.LibvirtVZStorageVolumeDriver(self.fake_host)
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self.assertIsInstance(libvirt_driver.connector,
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connector.RemoteFsConnector)
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def test_libvirt_vzstorage_driver_opts_negative(self):
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"""Test that custom options cannot duplicate the configured"""
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bad_opts = [
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["-c", "clus111", "-v"],
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["-l", "/var/log/vstorage.log", "-L", "5x5"],
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["-u", "user1", "-p", "pass1"],
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["-v", "-R", "100", "-C", "/ssd"],
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]
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for opts in bad_opts:
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self.flags(vzstorage_mount_opts=opts, group='libvirt')
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self.assertRaises(exception.NovaException,
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vzstorage.LibvirtVZStorageVolumeDriver,
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self.fake_host)
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def test_libvirt_vzstorage_driver_share_fmt_neg(self):
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drv = vzstorage.LibvirtVZStorageVolumeDriver(self.fake_host)
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wrong_export_string = 'mds1, mds2:/testcluster:passwd12111'
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connection_info = {'data': {'export': wrong_export_string,
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'name': self.name}}
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err_pattern = ("^Valid share format is "
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"\[mds\[,mds1\[\.\.\.\]\]:/\]clustername\[:password\]$")
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self.assertRaisesRegex(exception.InvalidVolume,
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err_pattern,
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drv.connect_volume,
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connection_info,
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self.disk_info,
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mock.sentinel.instance)
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@mock.patch.object(vzstorage.utils, 'synchronized',
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return_value=lambda f: f)
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def test_libvirt_vzstorage_driver_connect(self, mock_synchronized):
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def brick_conn_vol(data):
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return {'path': 'vstorage://testcluster'}
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drv = vzstorage.LibvirtVZStorageVolumeDriver(self.fake_host)
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drv.connector.connect_volume = brick_conn_vol
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export_string = 'testcluster'
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connection_info = {'data': {'export': export_string,
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'name': self.name}}
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drv.connect_volume(connection_info, self.disk_info,
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mock.sentinel.instance)
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self.assertEqual('vstorage://testcluster',
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connection_info['data']['device_path'])
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self.assertEqual('-u stack -g qemu -m 0770 '
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'-l /var/log/vstorage/testcluster/nova.log.gz '
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'-C /tmp/ssd-cache/testcluster',
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connection_info['data']['options'])
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mock_synchronized.assert_called_once_with('vz_share-testcluster')
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def test_libvirt_vzstorage_driver_disconnect(self):
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drv = vzstorage.LibvirtVZStorageVolumeDriver(self.fake_host)
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drv.connector.disconnect_volume = mock.MagicMock()
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conn = {'data': self.disk_info}
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drv.disconnect_volume(conn, self.disk_info, mock.sentinel.instance)
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drv.connector.disconnect_volume.assert_called_once_with(
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self.disk_info, None)
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def test_libvirt_vzstorage_driver_get_config(self):
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libvirt_driver = vzstorage.LibvirtVZStorageVolumeDriver(self.fake_host)
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export_string = 'vzstorage'
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export_mnt_base = os.path.join(self.mnt_base,
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utils.get_hash_str(export_string))
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file_path = os.path.join(export_mnt_base, self.name)
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connection_info = {'data': {'export': export_string,
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'name': self.name,
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'device_path': file_path}}
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conf = libvirt_driver.get_config(connection_info, self.disk_info)
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self.assertEqual('file', conf.source_type)
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self.assertEqual(file_path, conf.source_path)
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self.assertEqual('raw', conf.driver_format)
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self.assertEqual('writethrough', conf.driver_cache)
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