def test_get_device_name(self):
bdm_obj = objects.BlockDeviceMapping(self.context,
**fake_block_device.FakeDbBlockDeviceDict(
{'id': 3, 'instance_uuid': 'fake-instance',
'device_name': '/dev/vda',
'source_type': 'volume',
'destination_type': 'volume',
'volume_id': 'fake-volume-id-1',
'boot_index': 0}))
self.assertEqual('/dev/vda', blockinfo.get_device_name(bdm_obj))
driver_bdm = driver_block_device.DriverVolumeBlockDevice(bdm_obj)
self.assertEqual('/dev/vda', blockinfo.get_device_name(driver_bdm))
bdm_obj.device_name = None
self.assertIsNone(blockinfo.get_device_name(bdm_obj))
driver_bdm = driver_block_device.DriverVolumeBlockDevice(bdm_obj)
self.assertIsNone(blockinfo.get_device_name(driver_bdm))
def _fake_bdm(volume_id, target_lun):
connection_info = {'driver_volume_type': 'fibre_channel',
'data': {'volume_id': volume_id,
'target_lun': target_lun,
'initiator_target_map':
{'21000024F5': ['50050768']}}}
mapping_dict = {'source_type': 'volume', 'volume_id': volume_id,
'destination_type': 'volume',
'connection_info':
jsonutils.dumps(connection_info),
}
bdm_dict = nova_block_device.BlockDeviceDict(mapping_dict)
bdm_obj = bdmobj.BlockDeviceMapping(**bdm_dict)
return nova_virt_bdm.DriverVolumeBlockDevice(bdm_obj)
def _get_instance_block_device_mappings(self, instance):
"""Transform block devices to the driver block_device format."""
bdms = objects.BlockDeviceMappingList.get_by_instance_uuid(
self._context, instance.uuid)
return [block_device.DriverVolumeBlockDevice(bdm) for bdm in bdms]
