| #!/usr/bin/python |
| |
| import gc, time |
| import common |
| from autotest_lib.frontend import setup_django_environment |
| from autotest_lib.frontend.afe import frontend_test_utils |
| from autotest_lib.client.common_lib.test_utils import mock |
| from autotest_lib.client.common_lib.test_utils import unittest |
| from autotest_lib.database import database_connection |
| from autotest_lib.frontend.afe import models |
| from autotest_lib.scheduler import agent_task |
| from autotest_lib.scheduler import monitor_db, drone_manager, email_manager |
| from autotest_lib.scheduler import pidfile_monitor |
| from autotest_lib.scheduler import scheduler_config, gc_stats |
| from autotest_lib.scheduler import scheduler_lib |
| from autotest_lib.scheduler import scheduler_models |
| from autotest_lib.client.common_lib import global_config |
| |
| _DEBUG = False |
| |
| |
| class DummyAgentTask(object): |
| num_processes = 1 |
| owner_username = 'my_user' |
| |
| def get_drone_hostnames_allowed(self): |
| return None |
| |
| |
| class DummyAgent(object): |
| started = False |
| _is_done = False |
| host_ids = () |
| queue_entry_ids = () |
| |
| def __init__(self): |
| self.task = DummyAgentTask() |
| |
| |
| def tick(self): |
| self.started = True |
| |
| |
| def is_done(self): |
| return self._is_done |
| |
| |
| def set_done(self, done): |
| self._is_done = done |
| |
| |
| class IsRow(mock.argument_comparator): |
| def __init__(self, row_id): |
| self.row_id = row_id |
| |
| |
| def is_satisfied_by(self, parameter): |
| return list(parameter)[0] == self.row_id |
| |
| |
| def __str__(self): |
| return 'row with id %s' % self.row_id |
| |
| |
| class IsAgentWithTask(mock.argument_comparator): |
| def __init__(self, task): |
| self._task = task |
| |
| |
| def is_satisfied_by(self, parameter): |
| if not isinstance(parameter, monitor_db.Agent): |
| return False |
| tasks = list(parameter.queue.queue) |
| if len(tasks) != 1: |
| return False |
| return tasks[0] == self._task |
| |
| |
| def _set_host_and_qe_ids(agent_or_task, id_list=None): |
| if id_list is None: |
| id_list = [] |
| agent_or_task.host_ids = agent_or_task.queue_entry_ids = id_list |
| |
| |
| class BaseSchedulerTest(unittest.TestCase, |
| frontend_test_utils.FrontendTestMixin): |
| _config_section = 'AUTOTEST_WEB' |
| |
| def _do_query(self, sql): |
| self._database.execute(sql) |
| |
| |
| def _set_monitor_stubs(self): |
| # Clear the instance cache as this is a brand new database. |
| scheduler_models.DBObject._clear_instance_cache() |
| |
| self._database = ( |
| database_connection.TranslatingDatabase.get_test_database( |
| translators=scheduler_lib._DB_TRANSLATORS)) |
| self._database.connect(db_type='django') |
| self._database.debug = _DEBUG |
| |
| connection_manager = scheduler_lib.ConnectionManager(autocommit=False) |
| self.god.stub_with(connection_manager, 'db_connection', self._database) |
| self.god.stub_with(monitor_db, '_db_manager', connection_manager) |
| self.god.stub_with(monitor_db, '_db', self._database) |
| |
| # These tests only make sense if hosts are acquired inline with the |
| # rest of the tick. |
| self.god.stub_with(monitor_db, '_inline_host_acquisition', True) |
| self.god.stub_with(monitor_db.BaseDispatcher, |
| '_get_pending_queue_entries', |
| self._get_pending_hqes) |
| self.god.stub_with(scheduler_models, '_db', self._database) |
| self.god.stub_with(drone_manager.instance(), '_results_dir', |
| '/test/path') |
| self.god.stub_with(drone_manager.instance(), '_temporary_directory', |
| '/test/path/tmp') |
| self.god.stub_with(drone_manager.instance(), 'initialize', |
| lambda *args: None) |
| self.god.stub_with(drone_manager.instance(), 'execute_actions', |
| lambda *args: None) |
| |
| monitor_db.initialize_globals() |
| scheduler_models.initialize_globals() |
| |
| |
| def setUp(self): |
| self._frontend_common_setup() |
| self._set_monitor_stubs() |
| self._dispatcher = monitor_db.Dispatcher() |
| |
| |
| def tearDown(self): |
| self._database.disconnect() |
| self._frontend_common_teardown() |
| |
| |
| def _update_hqe(self, set, where=''): |
| query = 'UPDATE afe_host_queue_entries SET ' + set |
| if where: |
| query += ' WHERE ' + where |
| self._do_query(query) |
| |
| |
| def _get_pending_hqes(self): |
| query_string=('afe_jobs.priority DESC, ' |
| 'ifnull(nullif(host_id, NULL), host_id) DESC, ' |
| 'ifnull(nullif(meta_host, NULL), meta_host) DESC, ' |
| 'job_id') |
| return list(scheduler_models.HostQueueEntry.fetch( |
| joins='INNER JOIN afe_jobs ON (job_id=afe_jobs.id)', |
| where='NOT complete AND NOT active AND status="Queued"', |
| order_by=query_string)) |
| |
| |
| class DispatcherSchedulingTest(BaseSchedulerTest): |
| _jobs_scheduled = [] |
| |
| |
| def tearDown(self): |
| super(DispatcherSchedulingTest, self).tearDown() |
| |
| |
| def _set_monitor_stubs(self): |
| super(DispatcherSchedulingTest, self)._set_monitor_stubs() |
| |
| def hqe__do_schedule_pre_job_tasks_stub(queue_entry): |
| """Called by HostQueueEntry.run().""" |
| self._record_job_scheduled(queue_entry.job.id, queue_entry.host.id) |
| queue_entry.set_status('Starting') |
| |
| self.god.stub_with(scheduler_models.HostQueueEntry, |
| '_do_schedule_pre_job_tasks', |
| hqe__do_schedule_pre_job_tasks_stub) |
| |
| |
| def _record_job_scheduled(self, job_id, host_id): |
| record = (job_id, host_id) |
| self.assert_(record not in self._jobs_scheduled, |
| 'Job %d scheduled on host %d twice' % |
| (job_id, host_id)) |
| self._jobs_scheduled.append(record) |
| |
| |
| def _assert_job_scheduled_on(self, job_id, host_id): |
| record = (job_id, host_id) |
| self.assert_(record in self._jobs_scheduled, |
| 'Job %d not scheduled on host %d as expected\n' |
| 'Jobs scheduled: %s' % |
| (job_id, host_id, self._jobs_scheduled)) |
| self._jobs_scheduled.remove(record) |
| |
| |
| def _assert_job_scheduled_on_number_of(self, job_id, host_ids, number): |
| """Assert job was scheduled on exactly number hosts out of a set.""" |
| found = [] |
| for host_id in host_ids: |
| record = (job_id, host_id) |
| if record in self._jobs_scheduled: |
| found.append(record) |
| self._jobs_scheduled.remove(record) |
| if len(found) < number: |
| self.fail('Job %d scheduled on fewer than %d hosts in %s.\n' |
| 'Jobs scheduled: %s' % (job_id, number, host_ids, found)) |
| elif len(found) > number: |
| self.fail('Job %d scheduled on more than %d hosts in %s.\n' |
| 'Jobs scheduled: %s' % (job_id, number, host_ids, found)) |
| |
| |
| def _check_for_extra_schedulings(self): |
| if len(self._jobs_scheduled) != 0: |
| self.fail('Extra jobs scheduled: ' + |
| str(self._jobs_scheduled)) |
| |
| |
| def _convert_jobs_to_metahosts(self, *job_ids): |
| sql_tuple = '(' + ','.join(str(i) for i in job_ids) + ')' |
| self._do_query('UPDATE afe_host_queue_entries SET ' |
| 'meta_host=host_id, host_id=NULL ' |
| 'WHERE job_id IN ' + sql_tuple) |
| |
| |
| def _lock_host(self, host_id): |
| self._do_query('UPDATE afe_hosts SET locked=1 WHERE id=' + |
| str(host_id)) |
| |
| |
| def setUp(self): |
| super(DispatcherSchedulingTest, self).setUp() |
| self._jobs_scheduled = [] |
| |
| |
| def _run_scheduler(self): |
| self._dispatcher._host_scheduler.tick() |
| for _ in xrange(2): # metahost scheduling can take two ticks |
| self._dispatcher._schedule_new_jobs() |
| |
| |
| def _test_basic_scheduling_helper(self, use_metahosts): |
| 'Basic nonmetahost scheduling' |
| self._create_job_simple([1], use_metahosts) |
| self._create_job_simple([2], use_metahosts) |
| self._run_scheduler() |
| self._assert_job_scheduled_on(1, 1) |
| self._assert_job_scheduled_on(2, 2) |
| self._check_for_extra_schedulings() |
| |
| |
| def _test_priorities_helper(self, use_metahosts): |
| 'Test prioritization ordering' |
| self._create_job_simple([1], use_metahosts) |
| self._create_job_simple([2], use_metahosts) |
| self._create_job_simple([1,2], use_metahosts) |
| self._create_job_simple([1], use_metahosts, priority=1) |
| self._run_scheduler() |
| self._assert_job_scheduled_on(4, 1) # higher priority |
| self._assert_job_scheduled_on(2, 2) # earlier job over later |
| self._check_for_extra_schedulings() |
| |
| |
| def _test_hosts_ready_helper(self, use_metahosts): |
| """ |
| Only hosts that are status=Ready, unlocked and not invalid get |
| scheduled. |
| """ |
| self._create_job_simple([1], use_metahosts) |
| self._do_query('UPDATE afe_hosts SET status="Running" WHERE id=1') |
| self._run_scheduler() |
| self._check_for_extra_schedulings() |
| |
| self._do_query('UPDATE afe_hosts SET status="Ready", locked=1 ' |
| 'WHERE id=1') |
| self._run_scheduler() |
| self._check_for_extra_schedulings() |
| |
| self._do_query('UPDATE afe_hosts SET locked=0, invalid=1 ' |
| 'WHERE id=1') |
| self._run_scheduler() |
| if not use_metahosts: |
| self._assert_job_scheduled_on(1, 1) |
| self._check_for_extra_schedulings() |
| |
| |
| def _test_hosts_idle_helper(self, use_metahosts): |
| 'Only idle hosts get scheduled' |
| self._create_job(hosts=[1], active=True) |
| self._create_job_simple([1], use_metahosts) |
| self._run_scheduler() |
| self._check_for_extra_schedulings() |
| |
| |
| def _test_obey_ACLs_helper(self, use_metahosts): |
| self._do_query('DELETE FROM afe_acl_groups_hosts WHERE host_id=1') |
| self._create_job_simple([1], use_metahosts) |
| self._run_scheduler() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_basic_scheduling(self): |
| self._test_basic_scheduling_helper(False) |
| |
| |
| def test_priorities(self): |
| self._test_priorities_helper(False) |
| |
| |
| def test_hosts_ready(self): |
| self._test_hosts_ready_helper(False) |
| |
| |
| def test_hosts_idle(self): |
| self._test_hosts_idle_helper(False) |
| |
| |
| def test_obey_ACLs(self): |
| self._test_obey_ACLs_helper(False) |
| |
| |
| def test_one_time_hosts_ignore_ACLs(self): |
| self._do_query('DELETE FROM afe_acl_groups_hosts WHERE host_id=1') |
| self._do_query('UPDATE afe_hosts SET invalid=1 WHERE id=1') |
| self._create_job_simple([1]) |
| self._run_scheduler() |
| self._assert_job_scheduled_on(1, 1) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_non_metahost_on_invalid_host(self): |
| """ |
| Non-metahost entries can get scheduled on invalid hosts (this is how |
| one-time hosts work). |
| """ |
| self._do_query('UPDATE afe_hosts SET invalid=1') |
| self._test_basic_scheduling_helper(False) |
| |
| |
| def test_metahost_scheduling(self): |
| """ |
| Basic metahost scheduling |
| """ |
| self._test_basic_scheduling_helper(True) |
| |
| |
| def test_metahost_priorities(self): |
| self._test_priorities_helper(True) |
| |
| |
| def test_metahost_hosts_ready(self): |
| self._test_hosts_ready_helper(True) |
| |
| |
| def test_metahost_hosts_idle(self): |
| self._test_hosts_idle_helper(True) |
| |
| |
| def test_metahost_obey_ACLs(self): |
| self._test_obey_ACLs_helper(True) |
| |
| |
| def test_nonmetahost_over_metahost(self): |
| """ |
| Non-metahost entries should take priority over metahost entries |
| for the same host |
| """ |
| self._create_job(metahosts=[1]) |
| self._create_job(hosts=[1]) |
| self._run_scheduler() |
| self._assert_job_scheduled_on(2, 1) |
| self._check_for_extra_schedulings() |
| |
| |
| # TODO: Revive this test. |
| # def test_HostScheduler_get_host_atomic_group_id(self): |
| # job = self._create_job(metahosts=[self.label6.id]) |
| # queue_entry = scheduler_models.HostQueueEntry.fetch( |
| # where='job_id=%d' % job.id)[0] |
| # # Indirectly initialize the internal state of the host scheduler. |
| # self._dispatcher._refresh_pending_queue_entries() |
| # |
| # # Test the host scheduler |
| # host_scheduler = self._dispatcher._host_scheduler |
| # |
| # |
| # # Two labels each in a different atomic group. This should log an |
| # # error and continue. |
| # orig_logging_error = logging.error |
| # def mock_logging_error(message, *args): |
| # mock_logging_error._num_calls += 1 |
| # # Test the logging call itself, we just wrapped it to count it. |
| # orig_logging_error(message, *args) |
| # mock_logging_error._num_calls = 0 |
| # self.god.stub_with(logging, 'error', mock_logging_error) |
| # host_scheduler.refresh([]) |
| # self.assertNotEquals(None, host_scheduler._get_host_atomic_group_id( |
| # [self.label4.id, self.label8.id], queue_entry)) |
| # self.assertTrue(mock_logging_error._num_calls > 0) |
| # self.god.unstub(logging, 'error') |
| # |
| # # Two labels both in the same atomic group, this should not raise an |
| # # error, it will merely cause the job to schedule on the intersection. |
| # self.assertEquals(1, host_scheduler._get_host_atomic_group_id( |
| # [self.label4.id, self.label5.id])) |
| # |
| # self.assertEquals(None, host_scheduler._get_host_atomic_group_id([])) |
| # self.assertEquals(None, host_scheduler._get_host_atomic_group_id( |
| # [self.label3.id, self.label7.id, self.label6.id])) |
| # self.assertEquals(1, host_scheduler._get_host_atomic_group_id( |
| # [self.label4.id, self.label7.id, self.label6.id])) |
| # self.assertEquals(1, host_scheduler._get_host_atomic_group_id( |
| # [self.label7.id, self.label5.id])) |
| |
| |
| def test_no_execution_subdir_not_found(self): |
| """Reproduce bug crosbug.com/334353 and recover from it.""" |
| |
| global_config.global_config.override_config_value( |
| 'SCHEDULER', 'drones', 'localhost') |
| |
| job = self._create_job(hostless=True) |
| |
| # Ensure execution_subdir is set before status |
| original_set_status = scheduler_models.HostQueueEntry.set_status |
| def fake_set_status(hqe, *args, **kwargs): |
| self.assertEqual(hqe.execution_subdir, 'hostless') |
| original_set_status(hqe, *args, **kwargs) |
| |
| self.god.stub_with(scheduler_models.HostQueueEntry, 'set_status', |
| fake_set_status) |
| |
| self._dispatcher._schedule_new_jobs() |
| |
| hqe = job.hostqueueentry_set.all()[0] |
| self.assertEqual(models.HostQueueEntry.Status.STARTING, hqe.status) |
| self.assertEqual('hostless', hqe.execution_subdir) |
| |
| |
| def test_only_schedule_queued_entries(self): |
| self._create_job(metahosts=[1]) |
| self._update_hqe(set='active=1, host_id=2') |
| self._run_scheduler() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_no_ready_hosts(self): |
| self._create_job(hosts=[1]) |
| self._do_query('UPDATE afe_hosts SET status="Repair Failed"') |
| self._run_scheduler() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_garbage_collection(self): |
| self.god.stub_with(self._dispatcher, '_seconds_between_garbage_stats', |
| 999999) |
| self.god.stub_function(gc, 'collect') |
| self.god.stub_function(gc_stats, '_log_garbage_collector_stats') |
| gc.collect.expect_call().and_return(0) |
| gc_stats._log_garbage_collector_stats.expect_call() |
| # Force a garbage collection run |
| self._dispatcher._last_garbage_stats_time = 0 |
| self._dispatcher._garbage_collection() |
| # The previous call should have reset the time, it won't do anything |
| # the second time. If it does, we'll get an unexpected call. |
| self._dispatcher._garbage_collection() |
| |
| |
| class DispatcherThrottlingTest(BaseSchedulerTest): |
| """ |
| Test that the dispatcher throttles: |
| * total number of running processes |
| * number of processes started per cycle |
| """ |
| _MAX_RUNNING = 3 |
| _MAX_STARTED = 2 |
| |
| def setUp(self): |
| super(DispatcherThrottlingTest, self).setUp() |
| scheduler_config.config.max_processes_per_drone = self._MAX_RUNNING |
| |
| def fake_max_runnable_processes(fake_self, username, |
| drone_hostnames_allowed): |
| running = sum(agent.task.num_processes |
| for agent in self._agents |
| if agent.started and not agent.is_done()) |
| return self._MAX_RUNNING - running |
| self.god.stub_with(drone_manager.DroneManager, 'max_runnable_processes', |
| fake_max_runnable_processes) |
| |
| |
| def _setup_some_agents(self, num_agents): |
| self._agents = [DummyAgent() for i in xrange(num_agents)] |
| self._dispatcher._agents = list(self._agents) |
| |
| |
| def _run_a_few_ticks(self): |
| for i in xrange(4): |
| self._dispatcher._handle_agents() |
| |
| |
| def _assert_agents_started(self, indexes, is_started=True): |
| for i in indexes: |
| self.assert_(self._agents[i].started == is_started, |
| 'Agent %d %sstarted' % |
| (i, is_started and 'not ' or '')) |
| |
| |
| def _assert_agents_not_started(self, indexes): |
| self._assert_agents_started(indexes, False) |
| |
| |
| def test_throttle_total(self): |
| self._setup_some_agents(4) |
| self._run_a_few_ticks() |
| self._assert_agents_started([0, 1, 2]) |
| self._assert_agents_not_started([3]) |
| |
| |
| def test_throttle_with_synchronous(self): |
| self._setup_some_agents(2) |
| self._agents[0].task.num_processes = 3 |
| self._run_a_few_ticks() |
| self._assert_agents_started([0]) |
| self._assert_agents_not_started([1]) |
| |
| |
| def test_large_agent_starvation(self): |
| """ |
| Ensure large agents don't get starved by lower-priority agents. |
| """ |
| self._setup_some_agents(3) |
| self._agents[1].task.num_processes = 3 |
| self._run_a_few_ticks() |
| self._assert_agents_started([0]) |
| self._assert_agents_not_started([1, 2]) |
| |
| self._agents[0].set_done(True) |
| self._run_a_few_ticks() |
| self._assert_agents_started([1]) |
| self._assert_agents_not_started([2]) |
| |
| |
| def test_zero_process_agent(self): |
| self._setup_some_agents(5) |
| self._agents[4].task.num_processes = 0 |
| self._run_a_few_ticks() |
| self._assert_agents_started([0, 1, 2, 4]) |
| self._assert_agents_not_started([3]) |
| |
| |
| class PidfileRunMonitorTest(unittest.TestCase): |
| execution_tag = 'test_tag' |
| pid = 12345 |
| process = drone_manager.Process('myhost', pid) |
| num_tests_failed = 1 |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self.mock_drone_manager = self.god.create_mock_class( |
| drone_manager.DroneManager, 'drone_manager') |
| self.god.stub_with(drone_manager, '_the_instance', |
| self.mock_drone_manager) |
| self.god.stub_function(email_manager.manager, 'enqueue_notify_email') |
| self.god.stub_with(pidfile_monitor, '_get_pidfile_timeout_secs', |
| self._mock_get_pidfile_timeout_secs) |
| |
| self.pidfile_id = object() |
| |
| (self.mock_drone_manager.get_pidfile_id_from |
| .expect_call(self.execution_tag, |
| pidfile_name=drone_manager.AUTOSERV_PID_FILE) |
| .and_return(self.pidfile_id)) |
| |
| self.monitor = pidfile_monitor.PidfileRunMonitor() |
| self.monitor.attach_to_existing_process(self.execution_tag) |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def _mock_get_pidfile_timeout_secs(self): |
| return 300 |
| |
| |
| def setup_pidfile(self, pid=None, exit_code=None, tests_failed=None, |
| use_second_read=False): |
| contents = drone_manager.PidfileContents() |
| if pid is not None: |
| contents.process = drone_manager.Process('myhost', pid) |
| contents.exit_status = exit_code |
| contents.num_tests_failed = tests_failed |
| self.mock_drone_manager.get_pidfile_contents.expect_call( |
| self.pidfile_id, use_second_read=use_second_read).and_return( |
| contents) |
| |
| |
| def set_not_yet_run(self): |
| self.setup_pidfile() |
| |
| |
| def set_empty_pidfile(self): |
| self.setup_pidfile() |
| |
| |
| def set_running(self, use_second_read=False): |
| self.setup_pidfile(self.pid, use_second_read=use_second_read) |
| |
| |
| def set_complete(self, error_code, use_second_read=False): |
| self.setup_pidfile(self.pid, error_code, self.num_tests_failed, |
| use_second_read=use_second_read) |
| |
| |
| def _check_monitor(self, expected_pid, expected_exit_status, |
| expected_num_tests_failed): |
| if expected_pid is None: |
| self.assertEquals(self.monitor._state.process, None) |
| else: |
| self.assertEquals(self.monitor._state.process.pid, expected_pid) |
| self.assertEquals(self.monitor._state.exit_status, expected_exit_status) |
| self.assertEquals(self.monitor._state.num_tests_failed, |
| expected_num_tests_failed) |
| |
| |
| self.god.check_playback() |
| |
| |
| def _test_read_pidfile_helper(self, expected_pid, expected_exit_status, |
| expected_num_tests_failed): |
| self.monitor._read_pidfile() |
| self._check_monitor(expected_pid, expected_exit_status, |
| expected_num_tests_failed) |
| |
| |
| def _get_expected_tests_failed(self, expected_exit_status): |
| if expected_exit_status is None: |
| expected_tests_failed = None |
| else: |
| expected_tests_failed = self.num_tests_failed |
| return expected_tests_failed |
| |
| |
| def test_read_pidfile(self): |
| self.set_not_yet_run() |
| self._test_read_pidfile_helper(None, None, None) |
| |
| self.set_empty_pidfile() |
| self._test_read_pidfile_helper(None, None, None) |
| |
| self.set_running() |
| self._test_read_pidfile_helper(self.pid, None, None) |
| |
| self.set_complete(123) |
| self._test_read_pidfile_helper(self.pid, 123, self.num_tests_failed) |
| |
| |
| def test_read_pidfile_error(self): |
| self.mock_drone_manager.get_pidfile_contents.expect_call( |
| self.pidfile_id, use_second_read=False).and_return( |
| drone_manager.InvalidPidfile('error')) |
| self.assertRaises(pidfile_monitor.PidfileRunMonitor._PidfileException, |
| self.monitor._read_pidfile) |
| self.god.check_playback() |
| |
| |
| def setup_is_running(self, is_running): |
| self.mock_drone_manager.is_process_running.expect_call( |
| self.process).and_return(is_running) |
| |
| |
| def _test_get_pidfile_info_helper(self, expected_pid, expected_exit_status, |
| expected_num_tests_failed): |
| self.monitor._get_pidfile_info() |
| self._check_monitor(expected_pid, expected_exit_status, |
| expected_num_tests_failed) |
| |
| |
| def test_get_pidfile_info(self): |
| """ |
| normal cases for get_pidfile_info |
| """ |
| # running |
| self.set_running() |
| self.setup_is_running(True) |
| self._test_get_pidfile_info_helper(self.pid, None, None) |
| |
| # exited during check |
| self.set_running() |
| self.setup_is_running(False) |
| self.set_complete(123, use_second_read=True) # pidfile gets read again |
| self._test_get_pidfile_info_helper(self.pid, 123, self.num_tests_failed) |
| |
| # completed |
| self.set_complete(123) |
| self._test_get_pidfile_info_helper(self.pid, 123, self.num_tests_failed) |
| |
| |
| def test_get_pidfile_info_running_no_proc(self): |
| """ |
| pidfile shows process running, but no proc exists |
| """ |
| # running but no proc |
| self.set_running() |
| self.setup_is_running(False) |
| self.set_running(use_second_read=True) |
| email_manager.manager.enqueue_notify_email.expect_call( |
| mock.is_string_comparator(), mock.is_string_comparator()) |
| self._test_get_pidfile_info_helper(self.pid, 1, 0) |
| self.assertTrue(self.monitor.lost_process) |
| |
| |
| def test_get_pidfile_info_not_yet_run(self): |
| """ |
| pidfile hasn't been written yet |
| """ |
| self.set_not_yet_run() |
| self._test_get_pidfile_info_helper(None, None, None) |
| |
| |
| def test_process_failed_to_write_pidfile(self): |
| self.set_not_yet_run() |
| email_manager.manager.enqueue_notify_email.expect_call( |
| mock.is_string_comparator(), mock.is_string_comparator()) |
| self.monitor._start_time = (time.time() - |
| pidfile_monitor._get_pidfile_timeout_secs() - 1) |
| self._test_get_pidfile_info_helper(None, 1, 0) |
| self.assertTrue(self.monitor.lost_process) |
| |
| |
| class AgentTest(unittest.TestCase): |
| def setUp(self): |
| self.god = mock.mock_god() |
| self._dispatcher = self.god.create_mock_class(monitor_db.Dispatcher, |
| 'dispatcher') |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def _create_mock_task(self, name): |
| task = self.god.create_mock_class(agent_task.AgentTask, name) |
| task.num_processes = 1 |
| _set_host_and_qe_ids(task) |
| return task |
| |
| def _create_agent(self, task): |
| agent = monitor_db.Agent(task) |
| agent.dispatcher = self._dispatcher |
| return agent |
| |
| |
| def _finish_agent(self, agent): |
| while not agent.is_done(): |
| agent.tick() |
| |
| |
| def test_agent_abort(self): |
| task = self._create_mock_task('task') |
| task.poll.expect_call() |
| task.is_done.expect_call().and_return(False) |
| task.abort.expect_call() |
| task.aborted = True |
| |
| agent = self._create_agent(task) |
| agent.tick() |
| agent.abort() |
| self._finish_agent(agent) |
| self.god.check_playback() |
| |
| |
| def _test_agent_abort_before_started_helper(self, ignore_abort=False): |
| task = self._create_mock_task('task') |
| task.abort.expect_call() |
| if ignore_abort: |
| task.aborted = False |
| task.poll.expect_call() |
| task.is_done.expect_call().and_return(True) |
| task.success = True |
| else: |
| task.aborted = True |
| |
| agent = self._create_agent(task) |
| agent.abort() |
| self._finish_agent(agent) |
| self.god.check_playback() |
| |
| |
| def test_agent_abort_before_started(self): |
| self._test_agent_abort_before_started_helper() |
| self._test_agent_abort_before_started_helper(True) |
| |
| |
| class JobSchedulingTest(BaseSchedulerTest): |
| def _test_run_helper(self, expect_agent=True, expect_starting=False, |
| expect_pending=False): |
| if expect_starting: |
| expected_status = models.HostQueueEntry.Status.STARTING |
| elif expect_pending: |
| expected_status = models.HostQueueEntry.Status.PENDING |
| else: |
| expected_status = models.HostQueueEntry.Status.VERIFYING |
| job = scheduler_models.Job.fetch('id = 1')[0] |
| queue_entry = scheduler_models.HostQueueEntry.fetch('id = 1')[0] |
| assert queue_entry.job is job |
| job.run_if_ready(queue_entry) |
| |
| self.god.check_playback() |
| |
| self._dispatcher._schedule_delay_tasks() |
| self._dispatcher._schedule_running_host_queue_entries() |
| agent = self._dispatcher._agents[0] |
| |
| actual_status = models.HostQueueEntry.smart_get(1).status |
| self.assertEquals(expected_status, actual_status) |
| |
| if not expect_agent: |
| self.assertEquals(agent, None) |
| return |
| |
| self.assert_(isinstance(agent, monitor_db.Agent)) |
| self.assert_(agent.task) |
| return agent.task |
| |
| |
| def test_run_if_ready_delays(self): |
| # Also tests Job.run_with_ready_delay() on atomic group jobs. |
| django_job = self._create_job(hosts=[5, 6], atomic_group=1) |
| job = scheduler_models.Job(django_job.id) |
| self.assertEqual(1, job.synch_count) |
| django_hqes = list(models.HostQueueEntry.objects.filter(job=job.id)) |
| self.assertEqual(2, len(django_hqes)) |
| self.assertEqual(2, django_hqes[0].atomic_group.max_number_of_machines) |
| |
| def set_hqe_status(django_hqe, status): |
| django_hqe.status = status |
| django_hqe.save() |
| scheduler_models.HostQueueEntry(django_hqe.id).host.set_status(status) |
| |
| # An initial state, our synch_count is 1 |
| set_hqe_status(django_hqes[0], models.HostQueueEntry.Status.VERIFYING) |
| set_hqe_status(django_hqes[1], models.HostQueueEntry.Status.PENDING) |
| |
| # So that we don't depend on the config file value during the test. |
| self.assert_(scheduler_config.config |
| .secs_to_wait_for_atomic_group_hosts is not None) |
| self.god.stub_with(scheduler_config.config, |
| 'secs_to_wait_for_atomic_group_hosts', 123456) |
| |
| # Get the pending one as a scheduler_models.HostQueueEntry object. |
| hqe = scheduler_models.HostQueueEntry(django_hqes[1].id) |
| self.assert_(not job._delay_ready_task) |
| self.assertTrue(job.is_ready()) |
| |
| # Ready with one pending, one verifying and an atomic group should |
| # result in a DelayCallTask to re-check if we're ready a while later. |
| job.run_if_ready(hqe) |
| self.assertEquals('Waiting', hqe.status) |
| self._dispatcher._schedule_delay_tasks() |
| self.assertEquals('Pending', hqe.status) |
| agent = self._dispatcher._agents[0] |
| self.assert_(job._delay_ready_task) |
| self.assert_(isinstance(agent, monitor_db.Agent)) |
| self.assert_(agent.task) |
| delay_task = agent.task |
| self.assert_(isinstance(delay_task, scheduler_models.DelayedCallTask)) |
| self.assert_(not delay_task.is_done()) |
| |
| self.god.stub_function(delay_task, 'abort') |
| |
| self.god.stub_function(job, 'run') |
| |
| self.god.stub_function(job, '_pending_count') |
| self.god.stub_with(job, 'synch_count', 9) |
| self.god.stub_function(job, 'request_abort') |
| |
| # Test that the DelayedCallTask's callback queued up above does the |
| # correct thing and does not call run if there are not enough hosts |
| # in pending after the delay. |
| job._pending_count.expect_call().and_return(0) |
| job.request_abort.expect_call() |
| delay_task._callback() |
| self.god.check_playback() |
| |
| # Test that the DelayedCallTask's callback queued up above does the |
| # correct thing and returns the Agent returned by job.run() if |
| # there are still enough hosts pending after the delay. |
| job.synch_count = 4 |
| job._pending_count.expect_call().and_return(4) |
| job.run.expect_call(hqe) |
| delay_task._callback() |
| self.god.check_playback() |
| |
| job._pending_count.expect_call().and_return(4) |
| |
| # Adjust the delay deadline so that enough time has passed. |
| job._delay_ready_task.end_time = time.time() - 111111 |
| job.run.expect_call(hqe) |
| # ...the delay_expired condition should cause us to call run() |
| self._dispatcher._handle_agents() |
| self.god.check_playback() |
| delay_task.success = False |
| |
| # Adjust the delay deadline back so that enough time has not passed. |
| job._delay_ready_task.end_time = time.time() + 111111 |
| self._dispatcher._handle_agents() |
| self.god.check_playback() |
| |
| # Now max_number_of_machines HQEs are in pending state. Remaining |
| # delay will now be ignored. |
| other_hqe = scheduler_models.HostQueueEntry(django_hqes[0].id) |
| self.god.unstub(job, 'run') |
| self.god.unstub(job, '_pending_count') |
| self.god.unstub(job, 'synch_count') |
| self.god.unstub(job, 'request_abort') |
| # ...the over_max_threshold test should cause us to call run() |
| delay_task.abort.expect_call() |
| other_hqe.on_pending() |
| self.assertEquals('Starting', other_hqe.status) |
| self.assertEquals('Starting', hqe.status) |
| self.god.stub_function(job, 'run') |
| self.god.unstub(delay_task, 'abort') |
| |
| hqe.set_status('Pending') |
| other_hqe.set_status('Pending') |
| # Now we're not over the max for the atomic group. But all assigned |
| # hosts are in pending state. over_max_threshold should make us run(). |
| hqe.atomic_group.max_number_of_machines += 1 |
| hqe.atomic_group.save() |
| job.run.expect_call(hqe) |
| hqe.on_pending() |
| self.god.check_playback() |
| hqe.atomic_group.max_number_of_machines -= 1 |
| hqe.atomic_group.save() |
| |
| other_hqe = scheduler_models.HostQueueEntry(django_hqes[0].id) |
| self.assertTrue(hqe.job is other_hqe.job) |
| # DBObject classes should reuse instances so these should be the same. |
| self.assertEqual(job, other_hqe.job) |
| self.assertEqual(other_hqe.job, hqe.job) |
| # Be sure our delay was not lost during the other_hqe construction. |
| self.assertEqual(job._delay_ready_task, delay_task) |
| self.assert_(job._delay_ready_task) |
| self.assertFalse(job._delay_ready_task.is_done()) |
| self.assertFalse(job._delay_ready_task.aborted) |
| |
| # We want the real run() to be called below. |
| self.god.unstub(job, 'run') |
| |
| # We pass in the other HQE this time the same way it would happen |
| # for real when one host finishes verifying and enters pending. |
| job.run_if_ready(other_hqe) |
| |
| # The delayed task must be aborted by the actual run() call above. |
| self.assertTrue(job._delay_ready_task.aborted) |
| self.assertFalse(job._delay_ready_task.success) |
| self.assertTrue(job._delay_ready_task.is_done()) |
| |
| # Check that job run() and _finish_run() were called by the above: |
| self._dispatcher._schedule_running_host_queue_entries() |
| agent = self._dispatcher._agents[0] |
| self.assert_(agent.task) |
| task = agent.task |
| self.assert_(isinstance(task, monitor_db.QueueTask)) |
| # Requery these hqes in order to verify the status from the DB. |
| django_hqes = list(models.HostQueueEntry.objects.filter(job=job.id)) |
| for entry in django_hqes: |
| self.assertEqual(models.HostQueueEntry.Status.STARTING, |
| entry.status) |
| |
| # We're already running, but more calls to run_with_ready_delay can |
| # continue to come in due to straggler hosts enter Pending. Make |
| # sure we don't do anything. |
| self.god.stub_function(job, 'run') |
| job.run_with_ready_delay(hqe) |
| self.god.check_playback() |
| self.god.unstub(job, 'run') |
| |
| |
| def test_run_synchronous_atomic_group_ready(self): |
| self._create_job(hosts=[5, 6], atomic_group=1, synchronous=True) |
| self._update_hqe("status='Pending', execution_subdir=''") |
| |
| queue_task = self._test_run_helper(expect_starting=True) |
| |
| self.assert_(isinstance(queue_task, monitor_db.QueueTask)) |
| # Atomic group jobs that do not depend on a specific label in the |
| # atomic group will use the atomic group name as their group name. |
| self.assertEquals(queue_task.queue_entries[0].get_group_name(), |
| 'atomic1') |
| |
| |
| def test_run_synchronous_atomic_group_with_label_ready(self): |
| job = self._create_job(hosts=[5, 6], atomic_group=1, synchronous=True) |
| job.dependency_labels.add(self.label4) |
| self._update_hqe("status='Pending', execution_subdir=''") |
| |
| queue_task = self._test_run_helper(expect_starting=True) |
| |
| self.assert_(isinstance(queue_task, monitor_db.QueueTask)) |
| # Atomic group jobs that also specify a label in the atomic group |
| # will use the label name as their group name. |
| self.assertEquals(queue_task.queue_entries[0].get_group_name(), |
| 'label4') |
| |
| |
| def test_run_synchronous_ready(self): |
| self._create_job(hosts=[1, 2], synchronous=True) |
| self._update_hqe("status='Pending', execution_subdir=''") |
| |
| queue_task = self._test_run_helper(expect_starting=True) |
| |
| self.assert_(isinstance(queue_task, monitor_db.QueueTask)) |
| self.assertEquals(queue_task.job.id, 1) |
| hqe_ids = [hqe.id for hqe in queue_task.queue_entries] |
| self.assertEquals(hqe_ids, [1, 2]) |
| |
| |
| def test_schedule_running_host_queue_entries_fail(self): |
| self._create_job(hosts=[2]) |
| self._update_hqe("status='%s', execution_subdir=''" % |
| models.HostQueueEntry.Status.PENDING) |
| job = scheduler_models.Job.fetch('id = 1')[0] |
| queue_entry = scheduler_models.HostQueueEntry.fetch('id = 1')[0] |
| assert queue_entry.job is job |
| job.run_if_ready(queue_entry) |
| self.assertEqual(queue_entry.status, |
| models.HostQueueEntry.Status.STARTING) |
| self.assert_(queue_entry.execution_subdir) |
| self.god.check_playback() |
| |
| class dummy_test_agent(object): |
| task = 'dummy_test_agent' |
| self._dispatcher._register_agent_for_ids( |
| self._dispatcher._host_agents, [queue_entry.host.id], |
| dummy_test_agent) |
| |
| # Attempted to schedule on a host that already has an agent. |
| self.assertRaises(scheduler_lib.SchedulerError, |
| self._dispatcher._schedule_running_host_queue_entries) |
| |
| |
| def test_schedule_hostless_job(self): |
| job = self._create_job(hostless=True) |
| self.assertEqual(1, job.hostqueueentry_set.count()) |
| hqe_query = scheduler_models.HostQueueEntry.fetch( |
| 'id = %s' % job.hostqueueentry_set.all()[0].id) |
| self.assertEqual(1, len(hqe_query)) |
| hqe = hqe_query[0] |
| |
| self.assertEqual(models.HostQueueEntry.Status.QUEUED, hqe.status) |
| self.assertEqual(0, len(self._dispatcher._agents)) |
| |
| self._dispatcher._schedule_new_jobs() |
| |
| self.assertEqual(models.HostQueueEntry.Status.STARTING, hqe.status) |
| self.assertEqual(1, len(self._dispatcher._agents)) |
| |
| self._dispatcher._schedule_new_jobs() |
| |
| # No change to previously schedule hostless job, and no additional agent |
| self.assertEqual(models.HostQueueEntry.Status.STARTING, hqe.status) |
| self.assertEqual(1, len(self._dispatcher._agents)) |
| |
| |
| class TopLevelFunctionsTest(unittest.TestCase): |
| def setUp(self): |
| self.god = mock.mock_god() |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def test_autoserv_command_line(self): |
| machines = 'abcd12,efgh34' |
| extra_args = ['-Z', 'hello'] |
| expected_command_line_base = set((monitor_db._autoserv_path, '-p', |
| '-m', machines, '-r', |
| drone_manager.WORKING_DIRECTORY)) |
| |
| expected_command_line = expected_command_line_base.union( |
| ['--verbose']).union(extra_args) |
| command_line = set( |
| monitor_db._autoserv_command_line(machines, extra_args)) |
| self.assertEqual(expected_command_line, command_line) |
| |
| class FakeJob(object): |
| owner = 'Bob' |
| name = 'fake job name' |
| test_retry = 0 |
| id = 1337 |
| |
| class FakeHQE(object): |
| job = FakeJob |
| |
| expected_command_line = expected_command_line_base.union( |
| ['-u', FakeJob.owner, '-l', FakeJob.name]) |
| command_line = set(monitor_db._autoserv_command_line( |
| machines, extra_args=[], queue_entry=FakeHQE, verbose=False)) |
| self.assertEqual(expected_command_line, command_line) |
| |
| |
| class AgentTaskTest(unittest.TestCase, |
| frontend_test_utils.FrontendTestMixin): |
| def setUp(self): |
| self._frontend_common_setup() |
| |
| |
| def tearDown(self): |
| self._frontend_common_teardown() |
| |
| |
| def _setup_drones(self): |
| self.god.stub_function(models.DroneSet, 'drone_sets_enabled') |
| models.DroneSet.drone_sets_enabled.expect_call().and_return(True) |
| |
| drones = [] |
| for x in xrange(4): |
| drones.append(models.Drone.objects.create(hostname=str(x))) |
| |
| drone_set_1 = models.DroneSet.objects.create(name='1') |
| drone_set_1.drones.add(*drones[0:2]) |
| drone_set_2 = models.DroneSet.objects.create(name='2') |
| drone_set_2.drones.add(*drones[2:4]) |
| drone_set_3 = models.DroneSet.objects.create(name='3') |
| |
| job_1 = self._create_job_simple([self.hosts[0].id], |
| drone_set=drone_set_1) |
| job_2 = self._create_job_simple([self.hosts[0].id], |
| drone_set=drone_set_2) |
| job_3 = self._create_job_simple([self.hosts[0].id], |
| drone_set=drone_set_3) |
| |
| job_4 = self._create_job_simple([self.hosts[0].id]) |
| job_4.drone_set = None |
| job_4.save() |
| |
| hqe_1 = job_1.hostqueueentry_set.all()[0] |
| hqe_2 = job_2.hostqueueentry_set.all()[0] |
| hqe_3 = job_3.hostqueueentry_set.all()[0] |
| hqe_4 = job_4.hostqueueentry_set.all()[0] |
| |
| return (hqe_1, hqe_2, hqe_3, hqe_4), agent_task.AgentTask() |
| |
| |
| def test_get_drone_hostnames_allowed_no_drones_in_set(self): |
| hqes, task = self._setup_drones() |
| task.queue_entry_ids = (hqes[2].id,) |
| self.assertEqual(set(), task.get_drone_hostnames_allowed()) |
| self.god.check_playback() |
| |
| |
| def test_get_drone_hostnames_allowed_no_drone_set(self): |
| hqes, task = self._setup_drones() |
| hqe = hqes[3] |
| task.queue_entry_ids = (hqe.id,) |
| |
| result = object() |
| |
| self.god.stub_function(task, '_user_or_global_default_drone_set') |
| task._user_or_global_default_drone_set.expect_call( |
| hqe.job, hqe.job.user()).and_return(result) |
| |
| self.assertEqual(result, task.get_drone_hostnames_allowed()) |
| self.god.check_playback() |
| |
| |
| def test_get_drone_hostnames_allowed_success(self): |
| hqes, task = self._setup_drones() |
| task.queue_entry_ids = (hqes[0].id,) |
| self.assertEqual(set(('0','1')), task.get_drone_hostnames_allowed()) |
| self.god.check_playback() |
| |
| |
| def test_get_drone_hostnames_allowed_multiple_jobs(self): |
| hqes, task = self._setup_drones() |
| task.queue_entry_ids = (hqes[0].id, hqes[1].id) |
| self.assertRaises(AssertionError, |
| task.get_drone_hostnames_allowed) |
| self.god.check_playback() |
| |
| |
| def test_get_drone_hostnames_allowed_no_hqe(self): |
| class MockSpecialTask(object): |
| requested_by = object() |
| |
| class MockSpecialAgentTask(agent_task.SpecialAgentTask): |
| task = MockSpecialTask() |
| queue_entry_ids = [] |
| def __init__(self, *args, **kwargs): |
| pass |
| |
| task = MockSpecialAgentTask() |
| self.god.stub_function(models.DroneSet, 'drone_sets_enabled') |
| self.god.stub_function(task, '_user_or_global_default_drone_set') |
| |
| result = object() |
| models.DroneSet.drone_sets_enabled.expect_call().and_return(True) |
| task._user_or_global_default_drone_set.expect_call( |
| task.task, MockSpecialTask.requested_by).and_return(result) |
| |
| self.assertEqual(result, task.get_drone_hostnames_allowed()) |
| self.god.check_playback() |
| |
| |
| def _setup_test_user_or_global_default_drone_set(self): |
| result = object() |
| class MockDroneSet(object): |
| def get_drone_hostnames(self): |
| return result |
| |
| self.god.stub_function(models.DroneSet, 'get_default') |
| models.DroneSet.get_default.expect_call().and_return(MockDroneSet()) |
| return result |
| |
| |
| def test_user_or_global_default_drone_set(self): |
| expected = object() |
| class MockDroneSet(object): |
| def get_drone_hostnames(self): |
| return expected |
| class MockUser(object): |
| drone_set = MockDroneSet() |
| |
| self._setup_test_user_or_global_default_drone_set() |
| |
| actual = agent_task.AgentTask()._user_or_global_default_drone_set( |
| None, MockUser()) |
| |
| self.assertEqual(expected, actual) |
| self.god.check_playback() |
| |
| |
| def test_user_or_global_default_drone_set_no_user(self): |
| expected = self._setup_test_user_or_global_default_drone_set() |
| actual = agent_task.AgentTask()._user_or_global_default_drone_set( |
| None, None) |
| |
| self.assertEqual(expected, actual) |
| self.god.check_playback() |
| |
| |
| def test_user_or_global_default_drone_set_no_user_drone_set(self): |
| class MockUser(object): |
| drone_set = None |
| login = None |
| |
| expected = self._setup_test_user_or_global_default_drone_set() |
| actual = agent_task.AgentTask()._user_or_global_default_drone_set( |
| None, MockUser()) |
| |
| self.assertEqual(expected, actual) |
| self.god.check_playback() |
| |
| |
| def test_abort_HostlessQueueTask(self): |
| hqe = self.god.create_mock_class(scheduler_models.HostQueueEntry, |
| 'HostQueueEntry') |
| # If hqe is still in STARTING status, aborting the task should finish |
| # without changing hqe's status. |
| hqe.status = models.HostQueueEntry.Status.STARTING |
| hqe.job = None |
| hqe.id = 0 |
| task = monitor_db.HostlessQueueTask(hqe) |
| task.abort() |
| |
| # If hqe is in RUNNING status, aborting the task should change hqe's |
| # status to Parsing, so FinalReparseTask can be scheduled. |
| hqe.set_status.expect_call('Parsing') |
| hqe.status = models.HostQueueEntry.Status.RUNNING |
| hqe.job = None |
| hqe.id = 0 |
| task = monitor_db.HostlessQueueTask(hqe) |
| task.abort() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |