'Completes a resize/migration.
:param context: the context for the migration/resize
:param migration: the migrate/resize information
:param instance: nova.objects.instance.Instance being migrated/resized
:param disk_info: the newly transferred disk information
:param network_info: instance network information
:param nova.objects.ImageMeta image_meta:
The metadata of the image of the instance.
:param resize_instance: True if the instance is being resized,
False otherwise
:param block_device_info: instance volume block device info
:param power_on: True if the instance should be powered on, False
otherwise'

def finish_migration(self, context, migration, instance, disk_info, network_info, image_meta, resize_instance, block_device_info=None, power_on=True):

    raise NotImplementedError()
