def test_libvirt_volume_driver_readonly(self):
libvirt_driver = volume.LibvirtVolumeDriver(self.fake_conn)
connection_info = {
'driver_volume_type': 'fake',
'data': {
"device_path": "/foo",
'access_mode': 'bar',
},
}
disk_info = {
"bus": "virtio",
"dev": "vde",
"type": "disk",
}
self.assertRaises(exception.InvalidVolumeAccessMode,
libvirt_driver.connect_volume,
connection_info, self.disk_info)
connection_info['data']['access_mode'] = 'rw'
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
readonly = tree.find('./readonly')
self.assertIsNone(readonly)
connection_info['data']['access_mode'] = 'ro'
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
readonly = tree.find('./readonly')
self.assertIsNotNone(readonly)
def _test_libvirt_volume_driver_disk_info(self):
libvirt_driver = volume.LibvirtVolumeDriver(self.fake_conn)
connection_info = {
'driver_volume_type': 'fake',
'data': {
'device_path': '/foo',
},
'serial': 'fake_serial',
}
conf = libvirt_driver.connect_volume(connection_info, self.disk_info)
tree = conf.format_dom()
self._assertDiskInfoEquals(tree, self.disk_info)
def test_libvirt_volume_driver_serial(self):
libvirt_driver = volume.LibvirtVolumeDriver(self.fake_conn)
connection_info = {
'driver_volume_type': 'fake',
'data': {
'device_path': '/foo',
},
'serial': 'fake_serial',
}
conf = libvirt_driver.connect_volume(connection_info, self.disk_info)
tree = conf.format_dom()
self.assertEqual(tree.get('type'), 'block')
self.assertEqual(tree.find('./serial').text, 'fake_serial')
def test_libvirt_volume_driver_serial(self):
libvirt_driver = volume.LibvirtVolumeDriver(self.fake_conn)
name = 'volume-00000001'
vol = {'id': 1, 'name': name}
connection_info = {
'driver_volume_type': 'fake',
'data': {
'device_path': '/foo',
},
'serial': 'fake_serial',
}
disk_info = {
"bus": "virtio",
"dev": "vde",
"type": "disk",
}
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
self.assertEqual(tree.get('type'), 'block')
self.assertEqual(tree.find('./serial').text, 'fake_serial')
def test_libvirt_volume_driver_blockio(self):
libvirt_driver = volume.LibvirtVolumeDriver(self.fake_conn)
connection_info = {
'driver_volume_type': 'fake',
'data': {
'device_path': '/foo',
'logical_block_size': '4096',
'physical_block_size': '4096',
},
'serial': 'fake_serial',
}
disk_info = {
"bus": "virtio",
"dev": "vde",
"type": "disk",
}
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
blockio = tree.find('./blockio')
self.assertEqual('4096', blockio.get('logical_block_size'))
self.assertEqual('4096', blockio.get('physical_block_size'))
def test_libvirt_volume_driver_iotune(self):
libvirt_driver = volume.LibvirtVolumeDriver(self.fake_conn)
connection_info = {
'driver_volume_type': 'fake',
'data': {
"device_path": "/foo",
'qos_specs': 'bar',
},
}
disk_info = {
"bus": "virtio",
"dev": "vde",
"type": "disk",
}
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
iotune = tree.find('./iotune')
# ensure invalid qos_specs is ignored
self.assertIsNone(iotune)
specs = {
'total_bytes_sec': '102400',
'read_bytes_sec': '51200',
'write_bytes_sec': '0',
'total_iops_sec': '0',
'read_iops_sec': '200',
'write_iops_sec': '200',
}
del connection_info['data']['qos_specs']
connection_info['data'].update(dict(qos_specs=specs))
conf = libvirt_driver.connect_volume(connection_info, disk_info)
tree = conf.format_dom()
self.assertEqual('102400', tree.find('./iotune/total_bytes_sec').text)
self.assertEqual('51200', tree.find('./iotune/read_bytes_sec').text)
self.assertEqual('0', tree.find('./iotune/write_bytes_sec').text)
self.assertEqual('0', tree.find('./iotune/total_iops_sec').text)
self.assertEqual('200', tree.find('./iotune/read_iops_sec').text)
self.assertEqual('200', tree.find('./iotune/write_iops_sec').text)
