def _delete_servers(self, servers, force=False):
        atomic_name = ("nova.%sdelete_servers") % (force and "force_" or "")
        with atomic.ActionTimer(self, atomic_name):
            for server in servers:
                if force:
                    server.force_delete()
                else:
                    server.delete()

            for server in servers:
                utils.wait_for_status(
                    server,
                    ready_statuses=["deleted"],
                    check_deletion=True,
                    update_resource=utils.get_from_manager(),
                    timeout=CONF.benchmark.nova_server_delete_timeout,
                    check_interval=CONF.
                    benchmark.nova_server_delete_poll_interval
                )
Delete multiple servers.
dataset/ETHPy150Open openstack/rally/rally/plugins/openstack/scenarios/nova/utils.py/NovaScenario._delete_servers