'Creates/copies a vmdk file object in the datastore.'

def _create_copy_disk(self, method, vmdk_file_path):

    flat_vmdk_file_path = vmdk_file_path.replace('.vmdk', '-flat.vmdk')
    _add_file(vmdk_file_path)
    _add_file(flat_vmdk_file_path)
    task_mdo = create_task(method, 'success')
    return task_mdo.obj
