How to use _get_agent_task_for_special_task method in autotest

Best Python code snippet using autotest_python Github


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...427 return agent_tasks428 def _get_special_task_agent_tasks(self, is_active=False):429 special_tasks = models.SpecialTask.objects.filter(430 is_active=is_active, is_complete=False)431 return [self._get_agent_task_for_special_task(task)432 for task in special_tasks]433 def _get_agent_task_for_queue_entry(self, queue_entry):434 """435 Construct an AgentTask instance for the given active HostQueueEntry.436 @param queue_entry: a HostQueueEntry437 @return: an AgentTask to run the queue entry438 """439 task_entries = queue_entry.job.get_group_entries(queue_entry)440 self._check_for_duplicate_host_entries(task_entries)441 if queue_entry.status in (models.HostQueueEntry.Status.STARTING,442 models.HostQueueEntry.Status.RUNNING):443 if queue_entry.is_hostless():444 return HostlessQueueTask(queue_entry=queue_entry)445 return QueueTask(queue_entries=task_entries)446 if queue_entry.status == models.HostQueueEntry.Status.GATHERING:447 return postjob_task.GatherLogsTask(queue_entries=task_entries)448 if queue_entry.status == models.HostQueueEntry.Status.PARSING:449 return postjob_task.FinalReparseTask(queue_entries=task_entries)450 if queue_entry.status == models.HostQueueEntry.Status.ARCHIVING:451 return postjob_task.ArchiveResultsTask(queue_entries=task_entries)452 raise scheduler_lib.SchedulerError(453 '_get_agent_task_for_queue_entry got entry with '454 'invalid status %s: %s' % (queue_entry.status, queue_entry))455 def _check_for_duplicate_host_entries(self, task_entries):456 non_host_statuses = (models.HostQueueEntry.Status.PARSING,457 models.HostQueueEntry.Status.ARCHIVING)458 for task_entry in task_entries:459 using_host = ( is not None460 and task_entry.status not in non_host_statuses)461 if using_host:462 self._assert_host_has_no_agent(task_entry)463 def _assert_host_has_no_agent(self, entry):464 """465 @param entry: a HostQueueEntry or a SpecialTask466 """467 if self.host_has_agent( agent = tuple(self._host_agents.get([0]469 raise scheduler_lib.SchedulerError(470 'While scheduling %s, host %s already has a host agent %s'471 % (entry,, agent.task))472 def _get_agent_task_for_special_task(self, special_task):473 """474 Construct an AgentTask class to run the given SpecialTask and add it475 to this dispatcher.476 A special task is created through schedule_special_tasks, but only if477 the host doesn't already have an agent. This happens through478 add_agent_task. All special agent tasks are given a host on creation,479 and a Null hqe. To create a SpecialAgentTask object, you need a480 models.SpecialTask. If the SpecialTask used to create a SpecialAgentTask481 object contains a hqe it's passed on to the special agent task, which482 creates a HostQueueEntry and saves it as it's queue_entry.483 @param special_task: a models.SpecialTask instance484 @returns an AgentTask to run this SpecialTask485 """486 self._assert_host_has_no_agent(special_task)487 special_agent_task_classes = (prejob_task.CleanupTask,488 prejob_task.VerifyTask,489 prejob_task.RepairTask,490 prejob_task.ResetTask,491 prejob_task.ProvisionTask)492 for agent_task_class in special_agent_task_classes:493 if agent_task_class.TASK_TYPE == special_task.task:494 return agent_task_class(task=special_task)495 raise scheduler_lib.SchedulerError(496 'No AgentTask class for task', str(special_task))497 def _register_pidfiles(self, agent_tasks):498 for agent_task in agent_tasks:499 agent_task.register_necessary_pidfiles()500 def _recover_tasks(self, agent_tasks):501 orphans = _drone_manager.get_orphaned_autoserv_processes()502 for agent_task in agent_tasks:503 agent_task.recover()504 if agent_task.monitor and agent_task.monitor.has_process():505 orphans.discard(agent_task.monitor.get_process())506 self.add_agent_task(agent_task)507 self._check_for_remaining_orphan_processes(orphans)508 def _get_unassigned_entries(self, status):509 for entry in scheduler_models.HostQueueEntry.fetch(where="status = '%s'"510 % status):511 if entry.status == status and not self.get_agents_for_entry(entry):512 # The status can change during iteration, e.g., if # sets a group of queue entries to Starting514 yield entry515 def _check_for_remaining_orphan_processes(self, orphans):516 if not orphans:517 return518 subject = 'Unrecovered orphan autoserv processes remain'519 message = '\n'.join(str(process) for process in orphans)520 email_manager.manager.enqueue_notify_email(subject, message)521 die_on_orphans = global_config.global_config.get_config_value(522 scheduler_config.CONFIG_SECTION, 'die_on_orphans', type=bool)523 if die_on_orphans:524 raise RuntimeError(subject + '\n' + message)525 def _recover_pending_entries(self):526 for entry in self._get_unassigned_entries(527 models.HostQueueEntry.Status.PENDING):528'Recovering Pending entry %s', entry)529 entry.on_pending()530 def _check_for_unrecovered_verifying_entries(self):531 queue_entries = scheduler_models.HostQueueEntry.fetch(532 where='status = "%s"' % models.HostQueueEntry.Status.VERIFYING)533 unrecovered_hqes = []534 for queue_entry in queue_entries:535 special_tasks = models.SpecialTask.objects.filter(536 task__in=(models.SpecialTask.Task.CLEANUP,537 models.SpecialTask.Task.VERIFY),538,539 is_complete=False)540 if special_tasks.count() == 0:541 unrecovered_hqes.append(queue_entry)542 if unrecovered_hqes:543 message = '\n'.join(str(hqe) for hqe in unrecovered_hqes)544 raise scheduler_lib.SchedulerError(545 '%d unrecovered verifying host queue entries:\n%s' %546 (len(unrecovered_hqes), message))547 def _schedule_special_tasks(self):548 """549 Execute queued SpecialTasks that are ready to run on idle hosts.550 Special tasks include PreJobTasks like verify, reset and cleanup.551 They are created through _schedule_new_jobs and associated with a hqe552 This method translates SpecialTasks to the appropriate AgentTask and553 adds them to the dispatchers agents list, so _handle_agents can execute554 them.555 """556 # When the host scheduler is responsible for acquisition we only want557 # to run tasks with leased hosts. All hqe tasks will already have558 # leased hosts, and we don't want to run frontend tasks till the host559 # scheduler has vetted the assignment. Note that this doesn't include560 # frontend tasks with hosts leased by other active hqes.561 for task in self._job_query_manager.get_prioritized_special_tasks(562 only_tasks_with_leased_hosts=not _inline_host_acquisition):563 if self.host_has_agent( continue565 self.add_agent_task(self._get_agent_task_for_special_task(task))566 def _reverify_remaining_hosts(self):567 # recover active hosts that have not yet been recovered, although this568 # should never happen569 message = ('Recovering active host %s - this probably indicates a '570 'scheduler bug')571 self._reverify_hosts_where(572 "status IN ('Repairing', 'Verifying', 'Cleaning', 'Provisioning')",573 print_message=message)574 def _reverify_hosts_where(self, where,575 print_message='Reverifying host %s'):576 full_where='locked = 0 AND invalid = 0 AND ' + where577 for host in scheduler_models.Host.fetch(where=full_where):578 if self.host_has_agent(host):579 # host has already been recovered in some way...

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