168 lines
7.4 KiB
Python
168 lines
7.4 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 oslo_concurrency import processutils
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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 import utils as libvirt_utils
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from nova.virt.libvirt.volume import glusterfs
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class LibvirtGlusterfsVolumeDriverTestCase(
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test_volume.LibvirtVolumeBaseTestCase):
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def test_libvirt_glusterfs_driver(self):
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mnt_base = '/mnt'
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self.flags(glusterfs_mount_point_base=mnt_base, group='libvirt')
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libvirt_driver = glusterfs.LibvirtGlusterfsVolumeDriver(self.fake_conn)
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self.stubs.Set(libvirt_utils, 'is_mounted', lambda x, d: False)
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export_string = '192.168.1.1:/volume-00001'
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export_mnt_base = os.path.join(mnt_base,
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utils.get_hash_str(export_string))
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connection_info = {'data': {'export': export_string,
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'name': self.name}}
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libvirt_driver.connect_volume(connection_info, self.disk_info)
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libvirt_driver.disconnect_volume(connection_info, "vde")
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device_path = os.path.join(export_mnt_base,
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connection_info['data']['name'])
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self.assertEqual(connection_info['data']['device_path'], device_path)
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expected_commands = [
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('mkdir', '-p', export_mnt_base),
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('mount', '-t', 'glusterfs', export_string, export_mnt_base),
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('umount', export_mnt_base)]
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self.assertEqual(expected_commands, self.executes)
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def test_libvirt_glusterfs_driver_get_config(self):
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mnt_base = '/mnt'
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self.flags(glusterfs_mount_point_base=mnt_base, group='libvirt')
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libvirt_driver = glusterfs.LibvirtGlusterfsVolumeDriver(self.fake_conn)
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export_string = '192.168.1.1:/volume-00001'
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export_mnt_base = os.path.join(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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# Test default format - raw
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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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tree = conf.format_dom()
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self._assertFileTypeEquals(tree, file_path)
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self.assertEqual('raw', tree.find('./driver').get('type'))
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# Test specified format - qcow2
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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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'format': 'qcow2'}}
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conf = libvirt_driver.get_config(connection_info, self.disk_info)
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tree = conf.format_dom()
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self._assertFileTypeEquals(tree, file_path)
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self.assertEqual('qcow2', tree.find('./driver').get('type'))
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def test_libvirt_glusterfs_driver_already_mounted(self):
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mnt_base = '/mnt'
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self.flags(glusterfs_mount_point_base=mnt_base, group='libvirt')
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libvirt_driver = glusterfs.LibvirtGlusterfsVolumeDriver(self.fake_conn)
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export_string = '192.168.1.1:/volume-00001'
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export_mnt_base = os.path.join(mnt_base,
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utils.get_hash_str(export_string))
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connection_info = {'data': {'export': export_string,
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'name': self.name}}
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libvirt_driver.connect_volume(connection_info, self.disk_info)
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libvirt_driver.disconnect_volume(connection_info, "vde")
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expected_commands = [
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('findmnt', '--target', export_mnt_base,
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'--source', export_string),
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('umount', export_mnt_base)]
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self.assertEqual(expected_commands, self.executes)
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@mock.patch.object(glusterfs.utils, 'execute')
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@mock.patch.object(glusterfs.LOG, 'debug')
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@mock.patch.object(glusterfs.LOG, 'exception')
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def test_libvirt_glusterfs_driver_umount_error(self, mock_LOG_exception,
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mock_LOG_debug, mock_utils_exe):
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export_string = '192.168.1.1:/volume-00001'
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connection_info = {'data': {'export': export_string,
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'name': self.name}}
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libvirt_driver = glusterfs.LibvirtGlusterfsVolumeDriver(self.fake_conn)
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mock_utils_exe.side_effect = processutils.ProcessExecutionError(
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None, None, None, 'umount', 'umount: target is busy.')
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libvirt_driver.disconnect_volume(connection_info, "vde")
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self.assertTrue(mock_LOG_debug.called)
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def test_libvirt_glusterfs_driver_with_opts(self):
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mnt_base = '/mnt'
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self.flags(glusterfs_mount_point_base=mnt_base, group='libvirt')
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libvirt_driver = glusterfs.LibvirtGlusterfsVolumeDriver(self.fake_conn)
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self.stubs.Set(libvirt_utils, 'is_mounted', lambda x, d: False)
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export_string = '192.168.1.1:/volume-00001'
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options = '-o backupvolfile-server=192.168.1.2'
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export_mnt_base = os.path.join(mnt_base,
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utils.get_hash_str(export_string))
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connection_info = {'data': {'export': export_string,
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'name': self.name,
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'options': options}}
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libvirt_driver.connect_volume(connection_info, self.disk_info)
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libvirt_driver.disconnect_volume(connection_info, "vde")
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expected_commands = [
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('mkdir', '-p', export_mnt_base),
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('mount', '-t', 'glusterfs',
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'-o', 'backupvolfile-server=192.168.1.2',
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export_string, export_mnt_base),
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('umount', export_mnt_base),
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]
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self.assertEqual(expected_commands, self.executes)
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def test_libvirt_glusterfs_libgfapi(self):
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self.flags(qemu_allowed_storage_drivers=['gluster'], group='libvirt')
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libvirt_driver = glusterfs.LibvirtGlusterfsVolumeDriver(self.fake_conn)
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self.stubs.Set(libvirt_utils, 'is_mounted', lambda x, d: False)
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export_string = '192.168.1.1:/volume-00001'
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name = 'volume-00001'
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connection_info = {'data': {'export': export_string, 'name': name}}
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disk_info = {
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"dev": "vde",
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"type": "disk",
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"bus": "virtio",
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}
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libvirt_driver.connect_volume(connection_info, disk_info)
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conf = libvirt_driver.get_config(connection_info, disk_info)
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tree = conf.format_dom()
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self.assertEqual('network', tree.get('type'))
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self.assertEqual('raw', tree.find('./driver').get('type'))
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source = tree.find('./source')
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self.assertEqual('gluster', source.get('protocol'))
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self.assertEqual('volume-00001/volume-00001', source.get('name'))
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self.assertEqual('192.168.1.1', source.find('./host').get('name'))
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self.assertEqual('24007', source.find('./host').get('port'))
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libvirt_driver.disconnect_volume(connection_info, "vde")
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