#!/usr/bin/python import unittest, time, subprocess, os, StringIO, tempfile, datetime, shutil 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.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 _DEBUG = False class DummyAgent(object): _is_running = False _is_done = False num_processes = 1 host_ids = [] queue_entry_ids = [] def is_running(self): return self._is_running def tick(self): self._is_running = True def is_done(self): return self._is_done def set_done(self, done): self._is_done = done self._is_running = not 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.DatabaseConnection.get_test_database( self._test_db_file)) self._database.connect() self._database.debug = _DEBUG monitor_db._db = self._database monitor_db._drone_manager._results_dir = '/test/path' 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 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_always_query(self): host_a = monitor_db.Host(id=2) self.assertEqual(host_a.hostname, 'host2') self._do_query('UPDATE 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 job_run_stub(job_self, queue_entry): """Return a dummy for testing. Called by HostQueueEntry.run().""" self._record_job_scheduled(job_self.id, queue_entry.host.id) queue_entry.set_status('Starting') return DummyAgent() self.god.stub_with(monitor_db.Job, 'run', job_run_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 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 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 hosts SET status="Running" WHERE id=1') self._dispatcher._schedule_new_jobs() self._check_for_extra_schedulings() self._do_query('UPDATE hosts SET status="Ready", locked=1 ' 'WHERE id=1') self._dispatcher._schedule_new_jobs() self._check_for_extra_schedulings() self._do_query('UPDATE 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 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_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 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 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(id=atomic_job.id) normal_hqe = monitor_db.HostQueueEntry(id=normal_job.id) 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.assertRaises(monitor_db.SchedulerError, host_scheduler._check_atomic_group_labels, [self.label4.id, self.label5.id], atomic_hqe) def test_HostScheduler_get_host_atomic_group_id(self): self._create_job(metahosts=[self.label6.id]) # 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 self.assertRaises(monitor_db.SchedulerError, host_scheduler._get_host_atomic_group_id, [self.label4.id, self.label5.id]) self.assertEqual(None, host_scheduler._get_host_atomic_group_id([])) self.assertEqual(None, host_scheduler._get_host_atomic_group_id( [self.label3.id, self.label7.id, self.label6.id])) self.assertEqual(1, host_scheduler._get_host_atomic_group_id( [self.label4.id, self.label7.id, self.label6.id])) self.assertEqual(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 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 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 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 hosts SET status="Running" WHERE id=5') self._do_query('UPDATE hosts SET invalid=1 WHERE id=6') # One host invalid in the second group label. self._do_query('UPDATE 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 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 hosts SET status="Repair Failed"') self._dispatcher._schedule_new_jobs() self._check_for_extra_schedulings() 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): running = sum(agent.num_processes for agent in self._agents if agent.is_running()) 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].is_running() == 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].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].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].num_processes = 0 self._run_a_few_cycles() self._assert_agents_started([0, 1, 2, 4]) self._assert_agents_not_started([3]) class FindAbortTest(BaseSchedulerTest): """ Test the dispatcher abort functionality. """ def _check_host_agent(self, agent, host_id): self.assert_(isinstance(agent, monitor_db.Agent)) tasks = list(agent.queue.queue) self.assertEquals(len(tasks), 2) cleanup, verify = tasks self.assert_(isinstance(cleanup, monitor_db.CleanupTask)) self.assertEquals(cleanup.host.id, host_id) self.assert_(isinstance(verify, monitor_db.VerifyTask)) self.assertEquals(verify.host.id, host_id) def _check_agents(self, agents): agents = list(agents) self.assertEquals(len(agents), 3) self.assertEquals(agents[0], self._agent) self._check_host_agent(agents[1], 1) self._check_host_agent(agents[2], 2) def _common_setup(self): self._create_job(hosts=[1, 2]) self._update_hqe(set='aborted=1') self._agent = self.god.create_mock_class(monitor_db.Agent, 'old_agent') _set_host_and_qe_ids(self._agent, [1, 2]) self._agent.abort.expect_call() self._agent.abort.expect_call() # gets called once for each HQE self._dispatcher.add_agent(self._agent) def test_find_aborting(self): self._common_setup() self._dispatcher._find_aborting() self.god.check_playback() def test_find_aborting_verifying(self): self._common_setup() self._update_hqe(set='active=1, status="Verifying"') self._dispatcher._find_aborting() self._check_agents(self._dispatcher._agents) self.god.check_playback() class JobTimeoutTest(BaseSchedulerTest): def _test_synch_start_timeout_helper(self, expect_abort, set_created_on=True, set_active=True, set_acl=True): scheduler_config.config.synch_job_start_timeout_minutes = 60 job = self._create_job(hosts=[1, 2]) if set_active: hqe = job.hostqueueentry_set.filter(host__id=1)[0] hqe.status = 'Pending' hqe.active = 1 hqe.save() everyone_acl = models.AclGroup.smart_get('Everyone') host1 = models.Host.smart_get(1) if set_acl: everyone_acl.hosts.add(host1) else: everyone_acl.hosts.remove(host1) job.created_on = datetime.datetime.now() if set_created_on: job.created_on -= datetime.timedelta(minutes=100) job.save() cleanup = self._dispatcher._periodic_cleanup cleanup._abort_jobs_past_synch_start_timeout() for hqe in job.hostqueueentry_set.all(): self.assertEquals(hqe.aborted, expect_abort) def test_synch_start_timeout_helper(self): # no abort if any of the condition aren't met self._test_synch_start_timeout_helper(False, set_created_on=False) self._test_synch_start_timeout_helper(False, set_active=False) self._test_synch_start_timeout_helper(False, set_acl=False) # abort if all conditions are met self._test_synch_start_timeout_helper(True) 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.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.mock_drone_manager.register_pidfile.expect_call(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 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.PIDFILE_TIMEOUT - 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) _set_host_and_qe_ids(task) return task def _create_agent(self, tasks): agent = monitor_db.Agent(tasks) agent.dispatcher = self._dispatcher return agent def _finish_agent(self, agent): while not agent.is_done(): agent.tick() def test_agent(self): task1 = self._create_mock_task('task1') task2 = self._create_mock_task('task2') task3 = self._create_mock_task('task3') task1.poll.expect_call() task1.is_done.expect_call().and_return(False) task1.poll.expect_call() task1.is_done.expect_call().and_return(True) task1.is_done.expect_call().and_return(True) task1.success = True task2.poll.expect_call() task2.is_done.expect_call().and_return(True) task2.is_done.expect_call().and_return(True) task2.success = False task2.failure_tasks = [task3] self._dispatcher.add_agent.expect_call(IsAgentWithTask(task3)) agent = self._create_agent([task1, task2]) self._finish_agent(agent) self.god.check_playback() def _test_agent_abort_helper(self, ignore_abort=False): task1 = self._create_mock_task('task1') task2 = self._create_mock_task('task2') task1.poll.expect_call() task1.is_done.expect_call().and_return(False) task1.abort.expect_call() if ignore_abort: task1.aborted = False # task ignores abort; execution continues task1.poll.expect_call() task1.is_done.expect_call().and_return(True) task1.is_done.expect_call().and_return(True) task1.success = True task2.poll.expect_call() task2.is_done.expect_call().and_return(True) task2.is_done.expect_call().and_return(True) task2.success = True else: task1.aborted = True task2.abort.expect_call() task2.aborted = True agent = self._create_agent([task1, task2]) agent.tick() agent.abort() self._finish_agent(agent) self.god.check_playback() def test_agent_abort(self): self._test_agent_abort_helper() self._test_agent_abort_helper(True) 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.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 AgentTasksTest(unittest.TestCase): TEMP_DIR = '/abspath/tempdir' RESULTS_DIR = '/results/dir' HOSTNAME = 'myhost' DUMMY_PROCESS = object() HOST_PROTECTION = host_protections.default PIDFILE_ID = object() JOB_OWNER = 'test_owner' JOB_NAME = 'test_job_name' JOB_AUTOSERV_PARAMS = set(['-u', JOB_OWNER, '-l', JOB_NAME]) def setUp(self): self.god = mock.mock_god() self.god.stub_with(drone_manager.DroneManager, 'get_temporary_path', mock.mock_function('get_temporary_path', default_return_val='tempdir')) self.god.stub_function(drone_manager.DroneManager, 'copy_results_on_drone') self.god.stub_function(drone_manager.DroneManager, 'copy_to_results_repository') self.god.stub_function(drone_manager.DroneManager, 'get_pidfile_id_from') def dummy_absolute_path(self, path): return '/abspath/' + path self.god.stub_with(drone_manager.DroneManager, 'absolute_path', dummy_absolute_path) self.god.stub_class_method(monitor_db.PidfileRunMonitor, 'run') self.god.stub_class_method(monitor_db.PidfileRunMonitor, 'exit_code') self.god.stub_class_method(monitor_db.PidfileRunMonitor, 'get_process') def mock_has_process(unused): return True self.god.stub_with(monitor_db.PidfileRunMonitor, 'has_process', mock_has_process) self.host = self.god.create_mock_class(monitor_db.Host, 'host') self.host.id = 1 self.host.hostname = self.HOSTNAME self.host.protection = self.HOST_PROTECTION self.queue_entry = self.god.create_mock_class( monitor_db.HostQueueEntry, 'queue_entry') self.job = self.god.create_mock_class(monitor_db.Job, 'job') self.job.owner = self.JOB_OWNER self.job.name = self.JOB_NAME self.queue_entry.id = 1 self.queue_entry.job = self.job self.queue_entry.host = self.host self.queue_entry.meta_host = None self._dispatcher = self.god.create_mock_class(monitor_db.Dispatcher, 'dispatcher') def tearDown(self): self.god.unstub_all() def run_task(self, task, success): """ Do essentially what an Agent would do, but protect againt infinite looping from test errors. """ if not getattr(task, 'agent', None): task.agent = object() count = 0 while not task.is_done(): count += 1 if count > 10: print 'Task failed to finish' # in case the playback has clues to why it # failed self.god.check_playback() self.fail() task.poll() self.assertEquals(task.success, success) def setup_run_monitor(self, exit_status, copy_log_file=True): monitor_db.PidfileRunMonitor.run.expect_call( mock.is_instance_comparator(list), 'tempdir', nice_level=monitor_db.AUTOSERV_NICE_LEVEL, log_file=mock.anything_comparator(), pidfile_name=monitor_db._AUTOSERV_PID_FILE, paired_with_pidfile=None) monitor_db.PidfileRunMonitor.exit_code.expect_call() monitor_db.PidfileRunMonitor.exit_code.expect_call().and_return( exit_status) if copy_log_file: self._setup_move_logfile() def _setup_move_logfile(self, copy_on_drone=False, include_destination=False): monitor_db.PidfileRunMonitor.get_process.expect_call().and_return( self.DUMMY_PROCESS) if copy_on_drone: self.queue_entry.execution_tag.expect_call().and_return('tag') drone_manager.DroneManager.copy_results_on_drone.expect_call( self.DUMMY_PROCESS, source_path=mock.is_string_comparator(), destination_path=mock.is_string_comparator()) elif include_destination: drone_manager.DroneManager.copy_to_results_repository.expect_call( self.DUMMY_PROCESS, mock.is_string_comparator(), destination_path=mock.is_string_comparator()) else: drone_manager.DroneManager.copy_to_results_repository.expect_call( self.DUMMY_PROCESS, mock.is_string_comparator()) def _test_repair_task_helper(self, success): self.host.set_status.expect_call('Repairing') if success: self.setup_run_monitor(0) self.host.set_status.expect_call('Ready') else: self.setup_run_monitor(1) self.host.set_status.expect_call('Repair Failed') task = monitor_db.RepairTask(self.host) self.assertEquals(task.failure_tasks, []) self.run_task(task, success) expected_protection = host_protections.Protection.get_string( host_protections.default) expected_protection = host_protections.Protection.get_attr_name( expected_protection) self.assertTrue(set(task.cmd) >= set([monitor_db._autoserv_path, '-p', '-R', '-m', self.HOSTNAME, '-r', self.TEMP_DIR, '--host-protection', expected_protection])) self.god.check_playback() def test_repair_task(self): self._test_repair_task_helper(True) self._test_repair_task_helper(False) def _test_repair_task_with_queue_entry_helper(self, parse_failed_repair): self.god.stub_class(monitor_db, 'FinalReparseTask') self.god.stub_class(monitor_db, 'Agent') self.god.stub_class_method(monitor_db.TaskWithJobKeyvals, '_write_keyval_after_job') agent = DummyAgent() agent.dispatcher = self._dispatcher self.host.set_status.expect_call('Repairing') self.queue_entry.requeue.expect_call() self.setup_run_monitor(1) self.host.set_status.expect_call('Repair Failed') self.queue_entry.update_from_database.expect_call() self.queue_entry.set_execution_subdir.expect_call() monitor_db.TaskWithJobKeyvals._write_keyval_after_job.expect_call( 'job_queued', mock.is_instance_comparator(int)) monitor_db.TaskWithJobKeyvals._write_keyval_after_job.expect_call( 'job_finished', mock.is_instance_comparator(int)) self._setup_move_logfile(copy_on_drone=True) self.queue_entry.execution_tag.expect_call().and_return('tag') self._setup_move_logfile() self.job.parse_failed_repair = parse_failed_repair if parse_failed_repair: reparse_task = monitor_db.FinalReparseTask.expect_new( [self.queue_entry]) reparse_agent = monitor_db.Agent.expect_new([reparse_task], num_processes=0) self._dispatcher.add_agent.expect_call(reparse_agent) self.queue_entry.handle_host_failure.expect_call() task = monitor_db.RepairTask(self.host, self.queue_entry) task.agent = agent self.queue_entry.status = 'Queued' self.job.created_on = datetime.datetime(2009, 1, 1) self.run_task(task, False) self.assertTrue(set(task.cmd) >= self.JOB_AUTOSERV_PARAMS) self.god.check_playback() def test_repair_task_with_queue_entry(self): self._test_repair_task_with_queue_entry_helper(True) self._test_repair_task_with_queue_entry_helper(False) def setup_verify_expects(self, success, use_queue_entry): if use_queue_entry: self.queue_entry.set_status.expect_call('Verifying') self.host.set_status.expect_call('Verifying') if success: self.setup_run_monitor(0) self.host.set_status.expect_call('Ready') else: self.setup_run_monitor(1) if use_queue_entry and not self.queue_entry.meta_host: self.queue_entry.set_execution_subdir.expect_call() self.queue_entry.execution_tag.expect_call().and_return('tag') self._setup_move_logfile(include_destination=True) def _check_verify_failure_tasks(self, verify_task): self.assertEquals(len(verify_task.failure_tasks), 1) repair_task = verify_task.failure_tasks[0] self.assert_(isinstance(repair_task, monitor_db.RepairTask)) self.assertEquals(verify_task.host, repair_task.host) if verify_task.queue_entry: self.assertEquals(repair_task.queue_entry_to_fail, verify_task.queue_entry) else: self.assertEquals(repair_task.queue_entry_to_fail, None) def _test_verify_task_helper(self, success, use_queue_entry=False, use_meta_host=False): self.setup_verify_expects(success, use_queue_entry) if use_queue_entry: task = monitor_db.VerifyTask(queue_entry=self.queue_entry) else: task = monitor_db.VerifyTask(host=self.host) self._check_verify_failure_tasks(task) self.run_task(task, success) self.assertTrue(set(task.cmd) >= set([monitor_db._autoserv_path, '-p', '-v', '-m', self.HOSTNAME, '-r', self.TEMP_DIR])) if use_queue_entry: self.assertTrue(set(task.cmd) >= self.JOB_AUTOSERV_PARAMS) self.god.check_playback() def test_verify_task_with_host(self): self._test_verify_task_helper(True) self._test_verify_task_helper(False) def test_verify_task_with_queue_entry(self): self._test_verify_task_helper(True, use_queue_entry=True) self._test_verify_task_helper(False, use_queue_entry=True) def test_verify_task_with_metahost(self): self.queue_entry.meta_host = 1 self.test_verify_task_with_queue_entry() def _setup_post_job_task_expects(self, autoserv_success, hqe_status=None, hqe_aborted=False): self.queue_entry.execution_tag.expect_call().and_return('tag') self.pidfile_monitor = monitor_db.PidfileRunMonitor.expect_new() self.pidfile_monitor.pidfile_id = self.PIDFILE_ID self.pidfile_monitor.attach_to_existing_process.expect_call('tag') if autoserv_success: code = 0 else: code = 1 self.queue_entry.update_from_database.expect_call() self.queue_entry.aborted = hqe_aborted if not hqe_aborted: self.pidfile_monitor.exit_code.expect_call().and_return(code) if hqe_status: self.queue_entry.set_status.expect_call(hqe_status) def _setup_pre_parse_expects(self, autoserv_success): self._setup_post_job_task_expects(autoserv_success, 'Parsing') def _setup_post_parse_expects(self, autoserv_success): if autoserv_success: status = 'Completed' else: status = 'Failed' self.queue_entry.set_status.expect_call(status) def _expect_execute_run_monitor(self): self.monitor.exit_code.expect_call() self.monitor.exit_code.expect_call().and_return(0) self._expect_copy_results() def _setup_post_job_run_monitor(self, pidfile_name): self.pidfile_monitor.has_process.expect_call().and_return(True) autoserv_pidfile_id = object() self.monitor = monitor_db.PidfileRunMonitor.expect_new() self.monitor.run.expect_call( mock.is_instance_comparator(list), 'tag', nice_level=monitor_db.AUTOSERV_NICE_LEVEL, log_file=mock.anything_comparator(), pidfile_name=pidfile_name, paired_with_pidfile=self.PIDFILE_ID) self._expect_execute_run_monitor() def _expect_copy_results(self, monitor=None, queue_entry=None): if monitor is None: monitor = self.monitor monitor.has_process.expect_call().and_return(True) if queue_entry: queue_entry.execution_tag.expect_call().and_return('tag') monitor.get_process.expect_call().and_return(self.DUMMY_PROCESS) drone_manager.DroneManager.copy_to_results_repository.expect_call( self.DUMMY_PROCESS, mock.is_string_comparator()) def _test_final_reparse_task_helper(self, autoserv_success=True): self._setup_pre_parse_expects(autoserv_success) self._setup_post_job_run_monitor(monitor_db._PARSER_PID_FILE) self._setup_post_parse_expects(autoserv_success) task = monitor_db.FinalReparseTask([self.queue_entry]) self.run_task(task, True) self.god.check_playback() cmd = [monitor_db._parser_path, '--write-pidfile', '-l', '2', '-r', '-o', '-P', '/abspath/tag'] self.assertEquals(task.cmd, cmd) def test_final_reparse_task(self): self.god.stub_class(monitor_db, 'PidfileRunMonitor') self._test_final_reparse_task_helper() self._test_final_reparse_task_helper(autoserv_success=False) def test_final_reparse_throttling(self): self.god.stub_class(monitor_db, 'PidfileRunMonitor') self.god.stub_function(monitor_db.FinalReparseTask, '_can_run_new_parse') self._setup_pre_parse_expects(True) monitor_db.FinalReparseTask._can_run_new_parse.expect_call().and_return( False) monitor_db.FinalReparseTask._can_run_new_parse.expect_call().and_return( True) self._setup_post_job_run_monitor(monitor_db._PARSER_PID_FILE) self._setup_post_parse_expects(True) task = monitor_db.FinalReparseTask([self.queue_entry]) self.run_task(task, True) self.god.check_playback() def test_final_reparse_recovery(self): self.god.stub_class(monitor_db, 'PidfileRunMonitor') self.monitor = self.god.create_mock_class(monitor_db.PidfileRunMonitor, 'run_monitor') self._setup_post_job_task_expects(True) self._expect_execute_run_monitor() self._setup_post_parse_expects(True) task = monitor_db.FinalReparseTask([self.queue_entry], run_monitor=self.monitor) self.run_task(task, True) self.god.check_playback() def _setup_gather_logs_expects(self, autoserv_killed=True, hqe_aborted=False): self.god.stub_class(monitor_db, 'PidfileRunMonitor') self.god.stub_class(monitor_db, 'FinalReparseTask') self._setup_post_job_task_expects(not autoserv_killed, 'Gathering', hqe_aborted) if hqe_aborted: exit_code = None elif autoserv_killed: exit_code = 271 else: exit_code = 0 self.pidfile_monitor.exit_code.expect_call().and_return(exit_code) if exit_code != 0: self._setup_post_job_run_monitor('.collect_crashinfo_execute') self.pidfile_monitor.has_process.expect_call().and_return(True) self._expect_copy_results(monitor=self.pidfile_monitor, queue_entry=self.queue_entry) parse_task = monitor_db.FinalReparseTask.expect_new([self.queue_entry]) _set_host_and_qe_ids(parse_task) self._dispatcher.add_agent.expect_call(IsAgentWithTask(parse_task)) def _run_gather_logs_task(self): task = monitor_db.GatherLogsTask(self.job, [self.queue_entry]) task.agent = DummyAgent() task.agent.dispatcher = self._dispatcher self.run_task(task, True) self.god.check_playback() def test_gather_logs_task(self): self._setup_gather_logs_expects() # no rebooting for this basic test self.job.reboot_after = models.RebootAfter.NEVER self.host.set_status.expect_call('Ready') self._run_gather_logs_task() def test_gather_logs_task_successful_autoserv(self): # When Autoserv exits successfully, no collect_crashinfo stage runs self._setup_gather_logs_expects(autoserv_killed=False) self.job.reboot_after = models.RebootAfter.NEVER self.host.set_status.expect_call('Ready') self._run_gather_logs_task() def _setup_gather_task_cleanup_expects(self): self.god.stub_class(monitor_db, 'CleanupTask') cleanup_task = monitor_db.CleanupTask.expect_new(host=self.host) _set_host_and_qe_ids(cleanup_task) self._dispatcher.add_agent.expect_call(IsAgentWithTask(cleanup_task)) def test_gather_logs_reboot_hosts(self): self._setup_gather_logs_expects() self.job.reboot_after = models.RebootAfter.ALWAYS self._setup_gather_task_cleanup_expects() self._run_gather_logs_task() def test_gather_logs_reboot_on_abort(self): self._setup_gather_logs_expects(hqe_aborted=True) self.job.reboot_after = models.RebootAfter.NEVER self._setup_gather_task_cleanup_expects() self._run_gather_logs_task() def _test_cleanup_task_helper(self, success, use_queue_entry=False): if use_queue_entry: self.queue_entry.get_host.expect_call().and_return(self.host) self.host.set_status.expect_call('Cleaning') if success: self.setup_run_monitor(0) self.host.set_status.expect_call('Ready') self.host.update_field.expect_call('dirty', 0) else: self.setup_run_monitor(1) if use_queue_entry and not self.queue_entry.meta_host: self.queue_entry.set_execution_subdir.expect_call() self.queue_entry.execution_tag.expect_call().and_return('tag') self._setup_move_logfile(include_destination=True) if use_queue_entry: task = monitor_db.CleanupTask(queue_entry=self.queue_entry) else: task = monitor_db.CleanupTask(host=self.host) self.assertEquals(len(task.failure_tasks), 1) repair_task = task.failure_tasks[0] self.assert_(isinstance(repair_task, monitor_db.RepairTask)) if use_queue_entry: self.assertEquals(repair_task.queue_entry_to_fail, self.queue_entry) self.run_task(task, success) self.god.check_playback() self.assert_(set(task.cmd) >= set([monitor_db._autoserv_path, '-p', '--cleanup', '-m', self.HOSTNAME, '-r', self.TEMP_DIR])) if use_queue_entry: self.assertTrue(set(task.cmd) >= self.JOB_AUTOSERV_PARAMS) def test_cleanup_task(self): self._test_cleanup_task_helper(True) self._test_cleanup_task_helper(False) def test_cleanup_task_with_queue_entry(self): self._test_cleanup_task_helper(False, True) def test_recovery_queue_task_aborted_early(self): # abort a RecoveryQueueTask right after it's created self.god.stub_class_method(monitor_db.QueueTask, '_log_abort') self.god.stub_class_method(monitor_db.QueueTask, '_finish_task') run_monitor = self.god.create_mock_class(monitor_db.PidfileRunMonitor, 'run_monitor') self.queue_entry.execution_tag.expect_call().and_return('tag') run_monitor.kill.expect_call() run_monitor.has_process.expect_call().and_return(True) monitor_db.QueueTask._log_abort.expect_call() monitor_db.QueueTask._finish_task.expect_call() task = monitor_db.RecoveryQueueTask(self.job, [self.queue_entry], run_monitor) task.abort() self.assert_(task.aborted) 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 _setup_directory_expects(self, execution_subdir): # XXX(gps): um... this function does -nothing- job_path = os.path.join('.', '1-my_user') results_dir = os.path.join(job_path, execution_subdir) 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').next() queue_entry = monitor_db.HostQueueEntry.fetch('id = 1').next() agent = job.run(queue_entry) self.god.check_playback() self.assertEquals(models.HostQueueEntry.smart_get(1).status, expected_status) if not expect_agent: self.assertEquals(agent, None) return self.assert_(isinstance(agent, monitor_db.Agent)) tasks = list(agent.queue.queue) return tasks def _check_verify_task(self, verify_task): self.assert_(isinstance(verify_task, monitor_db.VerifyTask)) self.assertEquals(verify_task.queue_entry.id, 1) def _check_pending_task(self, pending_task): self.assert_(isinstance(pending_task, monitor_db.SetEntryPendingTask)) self.assertEquals(pending_task._queue_entry.id, 1) def test_run_asynchronous(self): self._create_job(hosts=[1, 2]) tasks = self._test_run_helper() self.assertEquals(len(tasks), 2) verify_task, pending_task = tasks self._check_verify_task(verify_task) self._check_pending_task(pending_task) def test_run_asynchronous_skip_verify(self): job = self._create_job(hosts=[1, 2]) job.run_verify = False job.save() self._setup_directory_expects('host1') tasks = self._test_run_helper() self.assertEquals(len(tasks), 1) pending_task = tasks[0] self._check_pending_task(pending_task) def test_run_synchronous_verify(self): self._create_job(hosts=[1, 2], synchronous=True) tasks = self._test_run_helper() self.assertEquals(len(tasks), 2) verify_task, pending_task = tasks self._check_verify_task(verify_task) self._check_pending_task(pending_task) def test_run_synchronous_skip_verify(self): job = self._create_job(hosts=[1, 2], synchronous=True) job.run_verify = False job.save() tasks = self._test_run_helper() self.assertEquals(len(tasks), 1) self._check_pending_task(tasks[0]) def test_run_synchronous_ready(self): self._create_job(hosts=[1, 2], synchronous=True) self._update_hqe("status='Pending', execution_subdir=''") self._setup_directory_expects('group0') tasks = self._test_run_helper(expect_starting=True) self.assertEquals(len(tasks), 1) queue_task = tasks[0] 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_synchronous_atomic_group_ready(self): self._create_job(hosts=[5, 6], atomic_group=1, synchronous=True) self._update_hqe("status='Pending', execution_subdir=''") tasks = self._test_run_helper(expect_starting=True) self.assertEquals(len(tasks), 1) queue_task = tasks[0] self.assert_(isinstance(queue_task, monitor_db.QueueTask)) # Atomic group jobs that do not a specific label in the atomic group # will use the atomic group name as their group name. self.assertEquals(queue_task.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=''") tasks = self._test_run_helper(expect_starting=True) self.assertEquals(len(tasks), 1) queue_task = tasks[0] 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.group_name, 'label4') def test_reboot_before_always(self): job = self._create_job(hosts=[1]) job.reboot_before = models.RebootBefore.ALWAYS job.save() tasks = self._test_run_helper() self.assertEquals(len(tasks), 3) cleanup_task = tasks[0] self.assert_(isinstance(cleanup_task, monitor_db.CleanupTask)) self.assertEquals(cleanup_task.host.id, 1) 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() tasks = self._test_run_helper() self.assertEquals(len(tasks), expect_reboot and 3 or 2) if expect_reboot: cleanup_task = tasks[0] self.assert_(isinstance(cleanup_task, monitor_db.CleanupTask)) self.assertEquals(cleanup_task.host.id, 1) 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 test_autoserv_command_line(self): machines = 'abcd12,efgh34' results_dir = '/fake/path' extra_args = ['-Z', 'hello'] expected_command_line = [monitor_db._autoserv_path, '-p', '-m', machines, '-r', results_dir] command_line = monitor_db._autoserv_command_line( machines, results_dir, extra_args) self.assertEqual(expected_command_line + extra_args, command_line) class FakeJob(object): owner = 'Bob' name = 'fake job name' command_line = monitor_db._autoserv_command_line( machines, results_dir, extra_args=[], job=FakeJob()) self.assertEqual(expected_command_line + ['-u', FakeJob.owner, '-l', FakeJob.name], command_line) if __name__ == '__main__': unittest.main()