| #!/usr/bin/python |
| |
| import time, subprocess, os, StringIO, tempfile, datetime, shutil |
| import gc, logging |
| import common |
| import MySQLdb |
| from autotest_lib.frontend import setup_django_environment |
| from autotest_lib.frontend.afe import frontend_test_utils |
| from autotest_lib.client.common_lib import global_config, host_protections |
| 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, migrate |
| from autotest_lib.frontend import thread_local |
| from autotest_lib.frontend.afe import models |
| from autotest_lib.scheduler import monitor_db, drone_manager, email_manager |
| from autotest_lib.scheduler import scheduler_config, gc_stats |
| from autotest_lib.scheduler import monitor_db_functional_test |
| |
| _DEBUG = False |
| |
| |
| class DummyAgentTask(object): |
| num_processes = 1 |
| owner_username = 'my_user' |
| |
| |
| 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. |
| monitor_db.DBObject._clear_instance_cache() |
| |
| self._database = ( |
| database_connection.TranslatingDatabase.get_test_database( |
| translators=monitor_db_functional_test._DB_TRANSLATORS)) |
| self._database.connect(db_type='django') |
| self._database.debug = _DEBUG |
| |
| self.god.stub_with(monitor_db, '_db', self._database) |
| self.god.stub_with(monitor_db._drone_manager, '_results_dir', |
| '/test/path') |
| self.god.stub_with(monitor_db._drone_manager, '_temporary_directory', |
| '/test/path/tmp') |
| |
| |
| 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) |
| |
| |
| class DBObjectTest(BaseSchedulerTest): |
| # It may seem odd to subclass BaseSchedulerTest for this but it saves us |
| # duplicating some setup work for what we want to test. |
| |
| |
| def test_compare_fields_in_row(self): |
| host = monitor_db.Host(id=1) |
| fields = list(host._fields) |
| row_data = [getattr(host, fieldname) for fieldname in fields] |
| self.assertEqual({}, host._compare_fields_in_row(row_data)) |
| row_data[fields.index('hostname')] = 'spam' |
| self.assertEqual({'hostname': ('host1', 'spam')}, |
| host._compare_fields_in_row(row_data)) |
| row_data[fields.index('id')] = 23 |
| self.assertEqual({'hostname': ('host1', 'spam'), 'id': (1, 23)}, |
| host._compare_fields_in_row(row_data)) |
| |
| |
| def test_compare_fields_in_row_datetime_ignores_microseconds(self): |
| datetime_with_us = datetime.datetime(2009, 10, 07, 12, 34, 56, 7890) |
| datetime_without_us = datetime.datetime(2009, 10, 07, 12, 34, 56, 0) |
| class TestTable(monitor_db.DBObject): |
| _table_name = 'test_table' |
| _fields = ('id', 'test_datetime') |
| tt = TestTable(row=[1, datetime_without_us]) |
| self.assertEqual({}, tt._compare_fields_in_row([1, datetime_with_us])) |
| |
| |
| def test_always_query(self): |
| host_a = monitor_db.Host(id=2) |
| self.assertEqual(host_a.hostname, 'host2') |
| self._do_query('UPDATE afe_hosts SET hostname="host2-updated" ' |
| 'WHERE id=2') |
| host_b = monitor_db.Host(id=2, always_query=True) |
| self.assert_(host_a is host_b, 'Cached instance not returned.') |
| self.assertEqual(host_a.hostname, 'host2-updated', |
| 'Database was not re-queried') |
| |
| # If either of these are called, a query was made when it shouldn't be. |
| host_a._compare_fields_in_row = lambda _: self.fail('eek! a query!') |
| host_a._update_fields_from_row = host_a._compare_fields_in_row |
| host_c = monitor_db.Host(id=2, always_query=False) |
| self.assert_(host_a is host_c, 'Cached instance not returned') |
| |
| |
| def test_delete(self): |
| host = monitor_db.Host(id=3) |
| host.delete() |
| host = self.assertRaises(monitor_db.DBError, monitor_db.Host, id=3, |
| always_query=False) |
| host = self.assertRaises(monitor_db.DBError, monitor_db.Host, id=3, |
| always_query=True) |
| |
| def test_save(self): |
| # Dummy Job to avoid creating a one in the HostQueueEntry __init__. |
| class MockJob(object): |
| def __init__(self, id): |
| pass |
| def tag(self): |
| return 'MockJob' |
| self.god.stub_with(monitor_db, 'Job', MockJob) |
| hqe = monitor_db.HostQueueEntry( |
| new_record=True, |
| row=[0, 1, 2, 'Queued', None, 0, 0, 0, '.', None, False, None]) |
| hqe.save() |
| new_id = hqe.id |
| # Force a re-query and verify that the correct data was stored. |
| monitor_db.DBObject._clear_instance_cache() |
| hqe = monitor_db.HostQueueEntry(id=new_id) |
| self.assertEqual(hqe.id, new_id) |
| self.assertEqual(hqe.job_id, 1) |
| self.assertEqual(hqe.host_id, 2) |
| self.assertEqual(hqe.status, 'Queued') |
| self.assertEqual(hqe.meta_host, None) |
| self.assertEqual(hqe.active, False) |
| self.assertEqual(hqe.complete, False) |
| self.assertEqual(hqe.deleted, False) |
| self.assertEqual(hqe.execution_subdir, '.') |
| self.assertEqual(hqe.atomic_group_id, None) |
| self.assertEqual(hqe.started_on, None) |
| |
| |
| 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(monitor_db.HostQueueEntry, |
| '_do_schedule_pre_job_tasks', |
| hqe__do_schedule_pre_job_tasks_stub) |
| |
| def hqe_queue_log_record_stub(self, log_line): |
| """No-Op to avoid calls down to the _drone_manager during tests.""" |
| |
| self.god.stub_with(monitor_db.HostQueueEntry, 'queue_log_record', |
| hqe_queue_log_record_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 _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._dispatcher._schedule_new_jobs() |
| 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._dispatcher._schedule_new_jobs() |
| 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._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| self._do_query('UPDATE afe_hosts SET status="Ready", locked=1 ' |
| 'WHERE id=1') |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| self._do_query('UPDATE afe_hosts SET locked=0, invalid=1 ' |
| 'WHERE id=1') |
| self._dispatcher._schedule_new_jobs() |
| 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._dispatcher._schedule_new_jobs() |
| 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._dispatcher._schedule_new_jobs() |
| 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._dispatcher._schedule_new_jobs() |
| 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 _setup_test_only_if_needed_labels(self): |
| # apply only_if_needed label3 to host1 |
| models.Host.smart_get('host1').labels.add(self.label3) |
| return self._create_job_simple([1], use_metahost=True) |
| |
| |
| def test_only_if_needed_labels_avoids_host(self): |
| job = self._setup_test_only_if_needed_labels() |
| # if the job doesn't depend on label3, there should be no scheduling |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_only_if_needed_labels_schedules(self): |
| job = self._setup_test_only_if_needed_labels() |
| job.dependency_labels.add(self.label3) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(1, 1) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_only_if_needed_labels_via_metahost(self): |
| job = self._setup_test_only_if_needed_labels() |
| job.dependency_labels.add(self.label3) |
| # should also work if the metahost is the only_if_needed label |
| self._do_query('DELETE FROM afe_jobs_dependency_labels') |
| self._create_job(metahosts=[3]) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(2, 1) |
| self._check_for_extra_schedulings() |
| |
| |
| 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._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(2, 1) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_metahosts_obey_blocks(self): |
| """ |
| Metahosts can't get scheduled on hosts already scheduled for |
| that job. |
| """ |
| self._create_job(metahosts=[1], hosts=[1]) |
| # make the nonmetahost entry complete, so the metahost can try |
| # to get scheduled |
| self._update_hqe(set='complete = 1', where='host_id=1') |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| # TODO(gps): These should probably live in their own TestCase class |
| # specific to testing HostScheduler methods directly. It was convenient |
| # to put it here for now to share existing test environment setup code. |
| def test_HostScheduler_check_atomic_group_labels(self): |
| normal_job = self._create_job(metahosts=[0]) |
| atomic_job = self._create_job(atomic_group=1) |
| # Indirectly initialize the internal state of the host scheduler. |
| self._dispatcher._refresh_pending_queue_entries() |
| |
| atomic_hqe = monitor_db.HostQueueEntry.fetch(where='job_id=%d' % |
| atomic_job.id)[0] |
| normal_hqe = monitor_db.HostQueueEntry.fetch(where='job_id=%d' % |
| normal_job.id)[0] |
| |
| host_scheduler = self._dispatcher._host_scheduler |
| self.assertTrue(host_scheduler._check_atomic_group_labels( |
| [self.label4.id], atomic_hqe)) |
| self.assertFalse(host_scheduler._check_atomic_group_labels( |
| [self.label4.id], normal_hqe)) |
| self.assertFalse(host_scheduler._check_atomic_group_labels( |
| [self.label5.id, self.label6.id, self.label7.id], normal_hqe)) |
| self.assertTrue(host_scheduler._check_atomic_group_labels( |
| [self.label4.id, self.label6.id], atomic_hqe)) |
| self.assertTrue(host_scheduler._check_atomic_group_labels( |
| [self.label4.id, self.label5.id], |
| atomic_hqe)) |
| |
| |
| def test_HostScheduler_get_host_atomic_group_id(self): |
| job = self._create_job(metahosts=[self.label6.id]) |
| queue_entry = monitor_db.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) |
| 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_atomic_group_hosts_blocked_from_non_atomic_jobs(self): |
| # Create a job scheduled to run on label6. |
| self._create_job(metahosts=[self.label6.id]) |
| self._dispatcher._schedule_new_jobs() |
| # label6 only has hosts that are in atomic groups associated with it, |
| # there should be no scheduling. |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_hosts_blocked_from_non_atomic_jobs_explicit(self): |
| # Create a job scheduled to run on label5. This is an atomic group |
| # label but this job does not request atomic group scheduling. |
| self._create_job(metahosts=[self.label5.id]) |
| self._dispatcher._schedule_new_jobs() |
| # label6 only has hosts that are in atomic groups associated with it, |
| # there should be no scheduling. |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_basics(self): |
| # Create jobs scheduled to run on an atomic group. |
| job_a = self._create_job(synchronous=True, metahosts=[self.label4.id], |
| atomic_group=1) |
| job_b = self._create_job(synchronous=True, metahosts=[self.label5.id], |
| atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| # atomic_group.max_number_of_machines was 2 so we should run on 2. |
| self._assert_job_scheduled_on_number_of(job_a.id, (5, 6, 7), 2) |
| self._assert_job_scheduled_on(job_b.id, 8) # label5 |
| self._assert_job_scheduled_on(job_b.id, 9) # label5 |
| self._check_for_extra_schedulings() |
| |
| # The three host label4 atomic group still has one host available. |
| # That means a job with a synch_count of 1 asking to be scheduled on |
| # the atomic group can still use the final machine. |
| # |
| # This may seem like a somewhat odd use case. It allows the use of an |
| # atomic group as a set of machines to run smaller jobs within (a set |
| # of hosts configured for use in network tests with eachother perhaps?) |
| onehost_job = self._create_job(atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on_number_of(onehost_job.id, (5, 6, 7), 1) |
| self._check_for_extra_schedulings() |
| |
| # No more atomic groups have hosts available, no more jobs should |
| # be scheduled. |
| self._create_job(atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_obeys_acls(self): |
| # Request scheduling on a specific atomic label but be denied by ACLs. |
| self._do_query('DELETE FROM afe_acl_groups_hosts ' |
| 'WHERE host_id in (8,9)') |
| job = self._create_job(metahosts=[self.label5.id], atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_dependency_label_exclude(self): |
| # A dependency label that matches no hosts in the atomic group. |
| job_a = self._create_job(atomic_group=1) |
| job_a.dependency_labels.add(self.label3) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_metahost_dependency_label_exclude(self): |
| # A metahost and dependency label that excludes too many hosts. |
| job_b = self._create_job(synchronous=True, metahosts=[self.label4.id], |
| atomic_group=1) |
| job_b.dependency_labels.add(self.label7) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_dependency_label_match(self): |
| # A dependency label that exists on enough atomic group hosts in only |
| # one of the two atomic group labels. |
| job_c = self._create_job(synchronous=True, atomic_group=1) |
| job_c.dependency_labels.add(self.label7) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on_number_of(job_c.id, (8, 9), 2) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_no_metahost(self): |
| # Force it to schedule on the other group for a reliable test. |
| self._do_query('UPDATE afe_hosts SET invalid=1 WHERE id=9') |
| # An atomic job without a metahost. |
| job = self._create_job(synchronous=True, atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on_number_of(job.id, (5, 6, 7), 2) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_partial_group(self): |
| # Make one host in labels[3] unavailable so that there are only two |
| # hosts left in the group. |
| self._do_query('UPDATE afe_hosts SET status="Repair Failed" WHERE id=5') |
| job = self._create_job(synchronous=True, metahosts=[self.label4.id], |
| atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| # Verify that it was scheduled on the 2 ready hosts in that group. |
| self._assert_job_scheduled_on(job.id, 6) |
| self._assert_job_scheduled_on(job.id, 7) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_not_enough_available(self): |
| # Mark some hosts in each atomic group label as not usable. |
| # One host running, another invalid in the first group label. |
| self._do_query('UPDATE afe_hosts SET status="Running" WHERE id=5') |
| self._do_query('UPDATE afe_hosts SET invalid=1 WHERE id=6') |
| # One host invalid in the second group label. |
| self._do_query('UPDATE afe_hosts SET invalid=1 WHERE id=9') |
| # Nothing to schedule when no group label has enough (2) good hosts.. |
| self._create_job(atomic_group=1, synchronous=True) |
| self._dispatcher._schedule_new_jobs() |
| # There are not enough hosts in either atomic group, |
| # No more scheduling should occur. |
| self._check_for_extra_schedulings() |
| |
| # Now create an atomic job that has a synch count of 1. It should |
| # schedule on exactly one of the hosts. |
| onehost_job = self._create_job(atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on_number_of(onehost_job.id, (7, 8), 1) |
| |
| |
| def test_atomic_group_scheduling_no_valid_hosts(self): |
| self._do_query('UPDATE afe_hosts SET invalid=1 WHERE id in (8,9)') |
| self._create_job(synchronous=True, metahosts=[self.label5.id], |
| atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| # no hosts in the selected group and label are valid. no schedulings. |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_metahost_works(self): |
| # Test that atomic group scheduling also obeys metahosts. |
| self._create_job(metahosts=[0], atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| # There are no atomic group hosts that also have that metahost. |
| self._check_for_extra_schedulings() |
| |
| job_b = self._create_job(metahosts=[self.label5.id], atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(job_b.id, 8) |
| self._assert_job_scheduled_on(job_b.id, 9) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_skips_ineligible_hosts(self): |
| # Test hosts marked ineligible for this job are not eligible. |
| # How would this ever happen anyways? |
| job = self._create_job(metahosts=[self.label4.id], atomic_group=1) |
| models.IneligibleHostQueue.objects.create(job=job, host_id=5) |
| models.IneligibleHostQueue.objects.create(job=job, host_id=6) |
| models.IneligibleHostQueue.objects.create(job=job, host_id=7) |
| self._dispatcher._schedule_new_jobs() |
| # No scheduling should occur as all desired hosts were ineligible. |
| self._check_for_extra_schedulings() |
| |
| |
| def test_atomic_group_scheduling_fail(self): |
| # If synch_count is > the atomic group number of machines, the job |
| # should be aborted immediately. |
| model_job = self._create_job(synchronous=True, atomic_group=1) |
| model_job.synch_count = 4 |
| model_job.save() |
| job = monitor_db.Job(id=model_job.id) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| queue_entries = job.get_host_queue_entries() |
| self.assertEqual(1, len(queue_entries)) |
| self.assertEqual(queue_entries[0].status, |
| models.HostQueueEntry.Status.ABORTED) |
| |
| |
| def test_atomic_group_no_labels_no_scheduling(self): |
| # Never schedule on atomic groups marked invalid. |
| job = self._create_job(metahosts=[self.label5.id], synchronous=True, |
| atomic_group=1) |
| # Deleting an atomic group via the frontend marks it invalid and |
| # removes all label references to the group. The job now references |
| # an invalid atomic group with no labels associated with it. |
| self.label5.atomic_group.invalid = True |
| self.label5.atomic_group.save() |
| self.label5.atomic_group = None |
| self.label5.save() |
| |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_schedule_directly_on_atomic_group_host_fail(self): |
| # Scheduling a job directly on hosts in an atomic group must |
| # fail to avoid users inadvertently holding up the use of an |
| # entire atomic group by using the machines individually. |
| job = self._create_job(hosts=[5]) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_schedule_directly_on_atomic_group_host(self): |
| # Scheduling a job directly on one host in an atomic group will |
| # work when the atomic group is listed on the HQE in addition |
| # to the host (assuming the sync count is 1). |
| job = self._create_job(hosts=[5], atomic_group=1) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(job.id, 5) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_schedule_directly_on_atomic_group_hosts_sync2(self): |
| job = self._create_job(hosts=[5,8], atomic_group=1, synchronous=True) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(job.id, 5) |
| self._assert_job_scheduled_on(job.id, 8) |
| self._check_for_extra_schedulings() |
| |
| |
| def test_schedule_directly_on_atomic_group_hosts_wrong_group(self): |
| job = self._create_job(hosts=[5,8], atomic_group=2, synchronous=True) |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| |
| def test_only_schedule_queued_entries(self): |
| self._create_job(metahosts=[1]) |
| self._update_hqe(set='active=1, host_id=2') |
| self._dispatcher._schedule_new_jobs() |
| 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._dispatcher._schedule_new_jobs() |
| 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 |
| scheduler_config.config.max_processes_started_per_cycle = ( |
| self._MAX_STARTED) |
| |
| def fake_max_runnable_processes(fake_self, username): |
| 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_cycles(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_cycles() |
| self._assert_agents_started([0, 1, 2]) |
| self._assert_agents_not_started([3]) |
| |
| |
| def test_throttle_per_cycle(self): |
| self._setup_some_agents(3) |
| self._dispatcher._handle_agents() |
| self._assert_agents_started([0, 1]) |
| self._assert_agents_not_started([2]) |
| |
| |
| def test_throttle_with_synchronous(self): |
| self._setup_some_agents(2) |
| self._agents[0].task.num_processes = 3 |
| self._run_a_few_cycles() |
| 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_cycles() |
| self._assert_agents_started([0]) |
| self._assert_agents_not_started([1, 2]) |
| |
| self._agents[0].set_done(True) |
| self._run_a_few_cycles() |
| 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_cycles() |
| 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(monitor_db, '_drone_manager', |
| self.mock_drone_manager) |
| self.god.stub_function(email_manager.manager, 'enqueue_notify_email') |
| self.god.stub_with(monitor_db, '_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=monitor_db._AUTOSERV_PID_FILE) |
| .and_return(self.pidfile_id)) |
| |
| self.monitor = monitor_db.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(monitor_db.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() - |
| monitor_db._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(monitor_db.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 DelayedCallTaskTest(unittest.TestCase): |
| def setUp(self): |
| self.god = mock.mock_god() |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def test_delayed_call(self): |
| test_time = self.god.create_mock_function('time') |
| test_time.expect_call().and_return(33) |
| test_time.expect_call().and_return(34.01) |
| test_time.expect_call().and_return(34.99) |
| test_time.expect_call().and_return(35.01) |
| def test_callback(): |
| test_callback.calls += 1 |
| test_callback.calls = 0 |
| delay_task = monitor_db.DelayedCallTask( |
| delay_seconds=2, callback=test_callback, |
| now_func=test_time) # time 33 |
| self.assertEqual(35, delay_task.end_time) |
| agent = monitor_db.Agent(delay_task) |
| self.assert_(not agent.started) |
| agent.tick() # activates the task and polls it once, time 34.01 |
| self.assertEqual(0, test_callback.calls, "callback called early") |
| agent.tick() # time 34.99 |
| self.assertEqual(0, test_callback.calls, "callback called early") |
| agent.tick() # time 35.01 |
| self.assertEqual(1, test_callback.calls) |
| self.assert_(agent.is_done()) |
| self.assert_(delay_task.is_done()) |
| self.assert_(delay_task.success) |
| self.assert_(not delay_task.aborted) |
| self.god.check_playback() |
| |
| |
| def test_delayed_call_abort(self): |
| delay_task = monitor_db.DelayedCallTask( |
| delay_seconds=987654, callback=lambda : None) |
| agent = monitor_db.Agent(delay_task) |
| agent.abort() |
| agent.tick() |
| self.assert_(agent.is_done()) |
| self.assert_(delay_task.aborted) |
| self.assert_(delay_task.is_done()) |
| self.assert_(not delay_task.success) |
| self.god.check_playback() |
| |
| |
| class HostTest(BaseSchedulerTest): |
| def test_cmp_for_sort(self): |
| expected_order = [ |
| 'alice', 'Host1', 'host2', 'host3', 'host09', 'HOST010', |
| 'host10', 'host11', 'yolkfolk'] |
| hostname_idx = list(monitor_db.Host._fields).index('hostname') |
| row = [None] * len(monitor_db.Host._fields) |
| hosts = [] |
| for hostname in expected_order: |
| row[hostname_idx] = hostname |
| hosts.append(monitor_db.Host(row=row, new_record=True)) |
| |
| host1 = hosts[expected_order.index('Host1')] |
| host010 = hosts[expected_order.index('HOST010')] |
| host10 = hosts[expected_order.index('host10')] |
| host3 = hosts[expected_order.index('host3')] |
| alice = hosts[expected_order.index('alice')] |
| self.assertEqual(0, monitor_db.Host.cmp_for_sort(host10, host10)) |
| self.assertEqual(1, monitor_db.Host.cmp_for_sort(host10, host010)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(host010, host10)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(host1, host10)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(host1, host010)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(host3, host10)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(host3, host010)) |
| self.assertEqual(1, monitor_db.Host.cmp_for_sort(host3, host1)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(host1, host3)) |
| self.assertEqual(-1, monitor_db.Host.cmp_for_sort(alice, host3)) |
| self.assertEqual(1, monitor_db.Host.cmp_for_sort(host3, alice)) |
| self.assertEqual(0, monitor_db.Host.cmp_for_sort(alice, alice)) |
| |
| hosts.sort(cmp=monitor_db.Host.cmp_for_sort) |
| self.assertEqual(expected_order, [h.hostname for h in hosts]) |
| |
| hosts.reverse() |
| hosts.sort(cmp=monitor_db.Host.cmp_for_sort) |
| self.assertEqual(expected_order, [h.hostname for h in hosts]) |
| |
| |
| class HostQueueEntryTest(BaseSchedulerTest): |
| def _create_hqe(self, dependency_labels=(), **create_job_kwargs): |
| job = self._create_job(**create_job_kwargs) |
| for label in dependency_labels: |
| job.dependency_labels.add(label) |
| hqes = list(monitor_db.HostQueueEntry.fetch(where='job_id=%d' % job.id)) |
| self.assertEqual(1, len(hqes)) |
| return hqes[0] |
| |
| |
| def _check_hqe_labels(self, hqe, expected_labels): |
| expected_labels = set(expected_labels) |
| label_names = set(label.name for label in hqe.get_labels()) |
| self.assertEqual(expected_labels, label_names) |
| |
| |
| def test_get_labels_empty(self): |
| hqe = self._create_hqe(hosts=[1]) |
| labels = list(hqe.get_labels()) |
| self.assertEqual([], labels) |
| |
| |
| def test_get_labels_metahost(self): |
| hqe = self._create_hqe(metahosts=[2]) |
| self._check_hqe_labels(hqe, ['label2']) |
| |
| |
| def test_get_labels_dependancies(self): |
| hqe = self._create_hqe(dependency_labels=(self.label3, self.label4), |
| metahosts=[1]) |
| self._check_hqe_labels(hqe, ['label1', 'label3', 'label4']) |
| |
| |
| class JobTest(BaseSchedulerTest): |
| def setUp(self): |
| super(JobTest, self).setUp() |
| self.god.stub_with( |
| drone_manager.DroneManager, 'attach_file_to_execution', |
| mock.mock_function('attach_file_to_execution', |
| default_return_val='/test/path/tmp/foo')) |
| |
| def _mock_create(**kwargs): |
| task = models.SpecialTask(**kwargs) |
| task.save() |
| self._task = task |
| self.god.stub_with(models.SpecialTask.objects, 'create', _mock_create) |
| |
| |
| def _test_pre_job_tasks_helper(self): |
| """ |
| Calls HQE._do_schedule_pre_job_tasks() and returns the created special |
| task |
| """ |
| self._task = None |
| queue_entry = monitor_db.HostQueueEntry.fetch('id = 1')[0] |
| queue_entry._do_schedule_pre_job_tasks() |
| return self._task |
| |
| |
| 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 = monitor_db.Job.fetch('id = 1')[0] |
| queue_entry = monitor_db.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_schedule_running_host_queue_entries_fail(self): |
| self._create_job(hosts=[2]) |
| self._update_hqe("status='%s', execution_subdir=''" % |
| models.HostQueueEntry.Status.PENDING) |
| job = monitor_db.Job.fetch('id = 1')[0] |
| queue_entry = monitor_db.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(monitor_db.SchedulerError, |
| self._dispatcher._schedule_running_host_queue_entries) |
| |
| |
| def test_job_request_abort(self): |
| django_job = self._create_job(hosts=[5, 6], atomic_group=1) |
| job = monitor_db.Job(django_job.id) |
| job.request_abort() |
| django_hqes = list(models.HostQueueEntry.objects.filter(job=job.id)) |
| for hqe in django_hqes: |
| self.assertTrue(hqe.aborted) |
| |
| |
| 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 = monitor_db.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() |
| monitor_db.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 monitor_db.HostQueueEntry object. |
| hqe = monitor_db.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, monitor_db.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 = monitor_db.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 = monitor_db.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__atomic_and_has_started__on_atomic(self): |
| self._create_job(hosts=[5, 6], atomic_group=1) |
| job = monitor_db.Job.fetch('id = 1')[0] |
| self.assertFalse(job._atomic_and_has_started()) |
| |
| self._update_hqe("status='Pending'") |
| self.assertFalse(job._atomic_and_has_started()) |
| self._update_hqe("status='Verifying'") |
| self.assertFalse(job._atomic_and_has_started()) |
| self.assertFalse(job._atomic_and_has_started()) |
| self._update_hqe("status='Failed'") |
| self.assertFalse(job._atomic_and_has_started()) |
| self._update_hqe("status='Stopped'") |
| self.assertFalse(job._atomic_and_has_started()) |
| |
| self._update_hqe("status='Starting'") |
| self.assertTrue(job._atomic_and_has_started()) |
| self._update_hqe("status='Completed'") |
| self.assertTrue(job._atomic_and_has_started()) |
| self._update_hqe("status='Aborted'") |
| |
| |
| def test__atomic_and_has_started__not_atomic(self): |
| self._create_job(hosts=[1, 2]) |
| job = monitor_db.Job.fetch('id = 1')[0] |
| self.assertFalse(job._atomic_and_has_started()) |
| self._update_hqe("status='Starting'") |
| self.assertFalse(job._atomic_and_has_started()) |
| |
| |
| def _check_special_task(self, task, task_type, queue_entry_id=None): |
| self.assertEquals(task.task, task_type) |
| self.assertEquals(task.host.id, 1) |
| if queue_entry_id: |
| self.assertEquals(task.queue_entry.id, queue_entry_id) |
| |
| |
| def test_run_asynchronous(self): |
| self._create_job(hosts=[1, 2]) |
| |
| task = self._test_pre_job_tasks_helper() |
| |
| self._check_special_task(task, models.SpecialTask.Task.VERIFY, 1) |
| |
| |
| def test_run_asynchronous_skip_verify(self): |
| job = self._create_job(hosts=[1, 2]) |
| job.run_verify = False |
| job.save() |
| |
| task = self._test_pre_job_tasks_helper() |
| |
| self.assertEquals(task, None) |
| |
| |
| def test_run_synchronous_verify(self): |
| self._create_job(hosts=[1, 2], synchronous=True) |
| |
| task = self._test_pre_job_tasks_helper() |
| |
| self._check_special_task(task, models.SpecialTask.Task.VERIFY, 1) |
| |
| |
| def test_run_synchronous_skip_verify(self): |
| job = self._create_job(hosts=[1, 2], synchronous=True) |
| job.run_verify = False |
| job.save() |
| |
| task = self._test_pre_job_tasks_helper() |
| |
| self.assertEquals(task, None) |
| |
| |
| 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_run_atomic_group_already_started(self): |
| self._create_job(hosts=[5, 6], atomic_group=1, synchronous=True) |
| self._update_hqe("status='Starting', execution_subdir=''") |
| |
| job = monitor_db.Job.fetch('id = 1')[0] |
| queue_entry = monitor_db.HostQueueEntry.fetch('id = 1')[0] |
| assert queue_entry.job is job |
| self.assertEqual(None, job.run(queue_entry)) |
| |
| self.god.check_playback() |
| |
| |
| 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_reboot_before_always(self): |
| job = self._create_job(hosts=[1]) |
| job.reboot_before = models.RebootBefore.ALWAYS |
| job.save() |
| |
| task = self._test_pre_job_tasks_helper() |
| |
| self._check_special_task(task, models.SpecialTask.Task.CLEANUP) |
| |
| |
| def _test_reboot_before_if_dirty_helper(self, expect_reboot): |
| job = self._create_job(hosts=[1]) |
| job.reboot_before = models.RebootBefore.IF_DIRTY |
| job.save() |
| |
| task = self._test_pre_job_tasks_helper() |
| if expect_reboot: |
| task_type = models.SpecialTask.Task.CLEANUP |
| else: |
| task_type = models.SpecialTask.Task.VERIFY |
| self._check_special_task(task, task_type) |
| |
| |
| def test_reboot_before_if_dirty(self): |
| models.Host.smart_get(1).update_object(dirty=True) |
| self._test_reboot_before_if_dirty_helper(True) |
| |
| |
| def test_reboot_before_not_dirty(self): |
| models.Host.smart_get(1).update_object(dirty=False) |
| self._test_reboot_before_if_dirty_helper(False) |
| |
| |
| def test_next_group_name(self): |
| django_job = self._create_job(metahosts=[1]) |
| job = monitor_db.Job(id=django_job.id) |
| self.assertEqual('group0', job._next_group_name()) |
| |
| for hqe in django_job.hostqueueentry_set.filter(): |
| hqe.execution_subdir = 'my_rack.group0' |
| hqe.save() |
| self.assertEqual('my_rack.group1', job._next_group_name('my/rack')) |
| |
| |
| 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' |
| 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) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |