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# 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 os
from unittest import mock
from nova.tests.unit.virt.libvirt.volume import test_volume
from nova import utils
from nova.virt.libvirt import utils as libvirt_utils
from nova.virt.libvirt.volume import smbfs
class LibvirtSMBFSVolumeDriverTestCase(test_volume.LibvirtVolumeBaseTestCase):
"""Tests the libvirt SMBFS volume driver."""
def setUp(self):
super(LibvirtSMBFSVolumeDriverTestCase, self).setUp()
self.mnt_base = '/mnt'
self.flags(smbfs_mount_point_base=self.mnt_base, group='libvirt')
@mock.patch.object(libvirt_utils, 'is_mounted')
@mock.patch('oslo_utils.fileutils.ensure_tree')
@mock.patch('nova.privsep.fs.mount')
@mock.patch('nova.privsep.fs.umount')
def test_libvirt_smbfs_driver(self, mock_umount, mock_mount,
mock_ensure_tree, mock_is_mounted):
mock_is_mounted.return_value = False
libvirt_driver = smbfs.LibvirtSMBFSVolumeDriver(self.fake_host)
export_string = '//192.168.1.1/volumes'
export_mnt_base = os.path.join(self.mnt_base,
utils.get_hash_str(export_string))
connection_info = {'data': {'export': export_string,
'name': self.name,
'options': None}}
libvirt_driver.connect_volume(connection_info, mock.sentinel.instance)
libvirt_driver.disconnect_volume(connection_info,
mock.sentinel.instance)
mock_ensure_tree.assert_has_calls([mock.call(export_mnt_base)])
mock_mount.assert_has_calls(
[mock.call('cifs', export_string, export_mnt_base,
['-o', 'username=guest'])])
mock_umount.assert_has_calls([mock.call(export_mnt_base)])
@mock.patch.object(libvirt_utils, 'is_mounted', return_value=True)
@mock.patch('nova.privsep.fs.umount')
def test_libvirt_smbfs_driver_already_mounted(self, mock_umount,
mock_is_mounted):
libvirt_driver = smbfs.LibvirtSMBFSVolumeDriver(self.fake_host)
export_string = '//192.168.1.1/volumes'
export_mnt_base = os.path.join(self.mnt_base,
utils.get_hash_str(export_string))
connection_info = {'data': {'export': export_string,
'name': self.name}}
libvirt_driver.connect_volume(connection_info, mock.sentinel.instance)
libvirt_driver.disconnect_volume(connection_info,
mock.sentinel.instance)
mock_umount.assert_has_calls([mock.call(export_mnt_base)])
def test_libvirt_smbfs_driver_get_config(self):
libvirt_driver = smbfs.LibvirtSMBFSVolumeDriver(self.fake_host)
export_string = '//192.168.1.1/volumes'
export_mnt_base = os.path.join(self.mnt_base,
utils.get_hash_str(export_string))
file_path = os.path.join(export_mnt_base, self.name)
connection_info = {'data': {'export': export_string,
'name': self.name,
'device_path': file_path}}
conf = libvirt_driver.get_config(connection_info, self.disk_info)
tree = conf.format_dom()
self._assertFileTypeEquals(tree, file_path)
self.assertEqual('writeback', conf.driver_cache)
@mock.patch.object(libvirt_utils, 'is_mounted')
@mock.patch('oslo_utils.fileutils.ensure_tree')
@mock.patch('nova.privsep.fs.mount')
@mock.patch('nova.privsep.fs.umount')
def test_libvirt_smbfs_driver_with_opts(self, mock_umount, mock_mount,
mock_ensure_tree, mock_is_mounted):
mock_is_mounted.return_value = False
libvirt_driver = smbfs.LibvirtSMBFSVolumeDriver(self.fake_host)
export_string = '//192.168.1.1/volumes'
options = '-o user=guest,uid=107,gid=105'
export_mnt_base = os.path.join(self.mnt_base,
utils.get_hash_str(export_string))
connection_info = {'data': {'export': export_string,
'name': self.name,
'options': options}}
libvirt_driver.connect_volume(connection_info, mock.sentinel.instance)
libvirt_driver.disconnect_volume(connection_info,
mock.sentinel.instance)
mock_ensure_tree.assert_has_calls([mock.call(export_mnt_base)])
mock_mount.assert_has_calls(
[mock.call('cifs', export_string, export_mnt_base,
['-o', 'user=guest,uid=107,gid=105'])])
mock_umount.assert_has_calls([mock.call(export_mnt_base)])
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