86     agent_or_task.hostnames = dict((host_id, '192.168.1.1')
87                                    for host_id in id_list)
190     def _record_job_scheduled(self, job_id, host_id):  argument
191         record = (job_id, host_id)
194                      (job_id, host_id))
198     def _assert_job_scheduled_on(self, job_id, host_id):  argument
199         record = (job_id, host_id)
203                      (job_id, host_id, self._jobs_scheduled))
210         for host_id in host_ids:
211             record = (job_id, host_id)
236     def _lock_host(self, host_id):  argument
238                        str(host_id))