| #!/usr/bin/python |
| |
| import unittest, time, subprocess, os, StringIO, tempfile |
| import MySQLdb |
| import common |
| 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.scheduler import monitor_db |
| |
| from autotest_lib.frontend import django_test_utils |
| django_test_utils.setup_test_environ() |
| from autotest_lib.frontend.afe import models |
| |
| _DEBUG = False |
| |
| class Dummy(object): |
| 'Dummy object that can have attribute assigned to it' |
| |
| |
| 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 BaseDispatcherTest(unittest.TestCase): |
| _config_section = 'AUTOTEST_WEB' |
| _test_db_initialized = False |
| |
| def _do_query(self, sql): |
| self._database.execute(sql) |
| |
| |
| @classmethod |
| def _initialize_test_db(cls): |
| if cls._test_db_initialized: |
| return |
| temp_fd, cls._test_db_file = tempfile.mkstemp(suffix='.monitor_test') |
| os.close(temp_fd) |
| django_test_utils.set_test_database(cls._test_db_file) |
| django_test_utils.run_syncdb() |
| cls._test_db_backup = django_test_utils.backup_test_database() |
| cls._test_db_initialized = True |
| |
| |
| def _open_test_db(self): |
| self._initialize_test_db() |
| django_test_utils.restore_test_database(self._test_db_backup) |
| self._database = ( |
| database_connection.DatabaseConnection.get_test_database( |
| self._test_db_file)) |
| self._database.connect() |
| self._database.debug = _DEBUG |
| |
| |
| def _close_test_db(self): |
| self._database.disconnect() |
| |
| |
| def _set_monitor_stubs(self): |
| monitor_db._db = self._database |
| |
| |
| def _fill_in_test_data(self): |
| user = models.User.objects.create(login='my_user') |
| acl_group = models.AclGroup.objects.create(name='my_acl') |
| acl_group.users.add(user) |
| |
| hosts = [models.Host.objects.create(hostname=hostname) for hostname in |
| ('host1', 'host2', 'host3', 'host4')] |
| acl_group.hosts = hosts |
| |
| labels = [models.Label.objects.create(name=name) for name in |
| ('label1', 'label2', 'label3')] |
| labels[2].only_if_needed = True |
| labels[2].save() |
| hosts[0].labels.add(labels[0]) |
| hosts[1].labels.add(labels[1]) |
| |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self._open_test_db() |
| self._fill_in_test_data() |
| self._set_monitor_stubs() |
| self._dispatcher = monitor_db.Dispatcher() |
| |
| |
| def tearDown(self): |
| self._close_test_db() |
| self.god.unstub_all() |
| |
| |
| def _create_job(self, hosts=[], metahosts=[], priority=0, active=0, |
| synchronous=False): |
| synch_type = synchronous and 2 or 1 |
| job = models.Job.objects.create(name='test', owner='my_user', |
| priority=priority, |
| synch_type=synch_type) |
| for host_id in hosts: |
| models.HostQueueEntry.objects.create(job=job, priority=priority, |
| host_id=host_id, active=active) |
| models.IneligibleHostQueue.objects.create(job=job, host_id=host_id) |
| for label_id in metahosts: |
| models.HostQueueEntry.objects.create(job=job, priority=priority, |
| meta_host_id=label_id, |
| active=active) |
| return job |
| |
| |
| def _create_job_simple(self, hosts, use_metahost=False, |
| priority=0, active=0): |
| 'An alternative interface to _create_job' |
| args = {'hosts' : [], 'metahosts' : []} |
| if use_metahost: |
| args['metahosts'] = hosts |
| else: |
| args['hosts'] = hosts |
| return self._create_job(priority=priority, active=active, **args) |
| |
| |
| def _update_hqe(self, set, where=''): |
| query = 'UPDATE host_queue_entries SET ' + set |
| if where: |
| query += ' WHERE ' + where |
| self._do_query(query) |
| |
| |
| class DispatcherSchedulingTest(BaseDispatcherTest): |
| _jobs_scheduled = [] |
| |
| def _set_monitor_stubs(self): |
| super(DispatcherSchedulingTest, self)._set_monitor_stubs() |
| def run_stub(hqe_self, assigned_host=None): |
| hqe_self.set_status('Starting') |
| if hqe_self.meta_host: |
| host = assigned_host |
| else: |
| host = hqe_self.host |
| self._record_job_scheduled(hqe_self.job.id, host.id) |
| return Dummy() |
| monitor_db.HostQueueEntry.run = run_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 _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=1) |
| 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_only_if_needed_labels_helper(self, use_metahosts): |
| # apply only_if_needed label3 to host1 |
| label3 = models.Label.smart_get('label3') |
| models.Host.smart_get('host1').labels.add(label3) |
| |
| job = self._create_job_simple([1], use_metahosts) |
| # if the job doesn't depend on label3, there should be no scheduling |
| self._dispatcher._schedule_new_jobs() |
| self._check_for_extra_schedulings() |
| |
| # now make the job depend on label3 |
| job.dependency_labels.add(label3) |
| self._dispatcher._schedule_new_jobs() |
| self._assert_job_scheduled_on(1, 1) |
| self._check_for_extra_schedulings() |
| |
| if use_metahosts: |
| # 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_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_only_if_needed_labels(self): |
| self._test_only_if_needed_labels_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 test_metahost_only_if_needed_labels(self): |
| self._test_only_if_needed_labels_helper(True) |
| |
| |
| def test_nonmetahost_over_metahost(self): |
| """ |
| Non-metahost entries should take priority over metahost entries |
| for the same host |
| """ |
| self._create_job(metahosts=[1]) |
| self._create_job(hosts=[1]) |
| self._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() |
| |
| |
| 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() |
| |
| |
| class DispatcherThrottlingTest(BaseDispatcherTest): |
| """ |
| 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() |
| self._dispatcher.max_running_processes = self._MAX_RUNNING |
| self._dispatcher.max_processes_started_per_cycle = self._MAX_STARTED |
| |
| |
| class DummyAgent(object): |
| _is_running = False |
| _is_done = False |
| num_processes = 1 |
| |
| 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 |
| |
| |
| def _setup_some_agents(self, num_agents): |
| self._agents = [self.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 AbortTest(BaseDispatcherTest): |
| """ |
| Test both the dispatcher abort functionality and AbortTask. |
| """ |
| def setUp(self): |
| super(AbortTest, self).setUp() |
| self.god.stub_class(monitor_db, 'RebootTask') |
| self.god.stub_class(monitor_db, 'VerifyTask') |
| self.god.stub_class(monitor_db, 'AbortTask') |
| self.god.stub_class(monitor_db, 'HostQueueEntry') |
| self.god.stub_class(monitor_db, 'Agent') |
| |
| |
| def _setup_queue_entries(self, host_id, hqe_id): |
| host = monitor_db.Host(id=host_id) |
| self.god.stub_function(host, 'set_status') |
| hqe = monitor_db.HostQueueEntry.expect_new(row=IsRow(hqe_id)) |
| hqe.id = hqe_id |
| return host, hqe |
| |
| |
| def _setup_abort_expects(self, host, hqe, abort_agent=None): |
| hqe.get_host.expect_call().and_return(host) |
| reboot_task = monitor_db.RebootTask.expect_new(host) |
| verify_task = monitor_db.VerifyTask.expect_new(host=host) |
| if abort_agent: |
| abort_task = monitor_db.AbortTask.expect_new(hqe, [abort_agent]) |
| tasks = [mock.is_instance_comparator(monitor_db.AbortTask)] |
| else: |
| hqe.set_status.expect_call('Aborted') |
| host.set_status.expect_call('Rebooting') |
| tasks = [] |
| tasks += [reboot_task, verify_task] |
| agent = monitor_db.Agent.expect_new(tasks=tasks, |
| queue_entry_ids=[hqe.id]) |
| agent.queue_entry_ids = [hqe.id] |
| return agent |
| |
| |
| def test_find_aborting_inactive(self): |
| self._create_job(hosts=[1, 2]) |
| self._update_hqe(set='status="Abort"') |
| |
| host1, hqe1 = self._setup_queue_entries(1, 1) |
| host2, hqe2 = self._setup_queue_entries(2, 2) |
| agent1 = self._setup_abort_expects(host1, hqe1) |
| agent2 = self._setup_abort_expects(host2, hqe2) |
| |
| self._dispatcher._find_aborting() |
| |
| self.assertEquals(self._dispatcher._agents, [agent1, agent2]) |
| self.god.check_playback() |
| |
| |
| def test_find_aborting_active(self): |
| self._create_job(hosts=[1, 2]) |
| self._update_hqe(set='status="Abort", active=1') |
| # have to make an Agent for the active HQEs |
| task = self.god.create_mock_class(monitor_db.QueueTask, 'QueueTask') |
| agent = self.god.create_mock_class(monitor_db.Agent, 'OldAgent') |
| agent.queue_entry_ids = [1, 2] |
| self._dispatcher.add_agent(agent) |
| |
| host1, hqe1 = self._setup_queue_entries(1, 1) |
| host2, hqe2 = self._setup_queue_entries(2, 2) |
| agent1 = self._setup_abort_expects(host1, hqe1, abort_agent=agent) |
| agent2 = self._setup_abort_expects(host2, hqe2) |
| |
| self._dispatcher._find_aborting() |
| |
| self.assertEquals(self._dispatcher._agents, [agent1, agent2]) |
| self.god.check_playback() |
| |
| |
| class PidfileRunMonitorTest(unittest.TestCase): |
| results_dir = '/test/path' |
| pidfile_path = os.path.join(results_dir, monitor_db.AUTOSERV_PID_FILE) |
| pid = 12345 |
| args = ('nice -n 10 autoserv -P 123-myuser/myhost -p -n ' |
| '-r ' + results_dir + ' -b -u myuser -l my-job-name ' |
| '-m myhost /tmp/filejx43Zi -c') |
| bad_args = args.replace(results_dir, '/random/results/dir') |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self.god.stub_function(monitor_db, 'open') |
| self.god.stub_function(os.path, 'exists') |
| self.god.stub_function(monitor_db.email_manager, |
| 'enqueue_notify_email') |
| self.monitor = monitor_db.PidfileRunMonitor(self.results_dir) |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def set_not_yet_run(self): |
| os.path.exists.expect_call(self.pidfile_path).and_return(False) |
| |
| |
| def setup_pidfile(self, pidfile_contents): |
| os.path.exists.expect_call(self.pidfile_path).and_return(True) |
| pidfile = StringIO.StringIO(pidfile_contents) |
| monitor_db.open.expect_call( |
| self.pidfile_path, 'r').and_return(pidfile) |
| |
| |
| def set_running(self): |
| self.setup_pidfile(str(self.pid) + '\n') |
| |
| |
| def set_complete(self, error_code): |
| self.setup_pidfile(str(self.pid) + '\n' + |
| str(error_code) + '\n') |
| |
| |
| def _test_read_pidfile_helper(self, expected_pid, expected_exit_status): |
| pid, exit_status = self.monitor.read_pidfile() |
| self.assertEquals(pid, expected_pid) |
| self.assertEquals(exit_status, expected_exit_status) |
| self.god.check_playback() |
| |
| |
| def test_read_pidfile(self): |
| self.set_not_yet_run() |
| self._test_read_pidfile_helper(None, None) |
| |
| self.set_running() |
| self._test_read_pidfile_helper(self.pid, None) |
| |
| self.set_complete(123) |
| self._test_read_pidfile_helper(self.pid, 123) |
| |
| |
| def test_read_pidfile_error(self): |
| self.setup_pidfile('asdf') |
| self.assertRaises(monitor_db.PidfileException, |
| self.monitor.read_pidfile) |
| self.god.check_playback() |
| |
| |
| def setup_proc_cmdline(self, args): |
| proc_cmdline = args.replace(' ', '\x00') |
| proc_file = StringIO.StringIO(proc_cmdline) |
| monitor_db.open.expect_call( |
| '/proc/%d/cmdline' % self.pid, 'r').and_return(proc_file) |
| |
| |
| def setup_find_autoservs(self, process_dict): |
| self.god.stub_class_method(monitor_db.Dispatcher, |
| 'find_autoservs') |
| monitor_db.Dispatcher.find_autoservs.expect_call().and_return( |
| process_dict) |
| |
| |
| def _test_get_pidfile_info_helper(self, expected_pid, |
| expected_exit_status): |
| pid, exit_status = self.monitor.get_pidfile_info() |
| self.assertEquals(pid, expected_pid) |
| self.assertEquals(exit_status, expected_exit_status) |
| self.god.check_playback() |
| |
| |
| def test_get_pidfile_info(self): |
| 'normal cases for get_pidfile_info' |
| # running |
| self.set_running() |
| self.setup_proc_cmdline(self.args) |
| self._test_get_pidfile_info_helper(self.pid, None) |
| |
| # exited during check |
| self.set_running() |
| monitor_db.open.expect_call( |
| '/proc/%d/cmdline' % self.pid, 'r').and_raises(IOError) |
| self.set_complete(123) # pidfile gets read again |
| self._test_get_pidfile_info_helper(self.pid, 123) |
| |
| # completed |
| self.set_complete(123) |
| self._test_get_pidfile_info_helper(self.pid, 123) |
| |
| |
| def test_get_pidfile_info_running_no_proc(self): |
| 'pidfile shows process running, but no proc exists' |
| # running but no proc |
| self.set_running() |
| monitor_db.open.expect_call( |
| '/proc/%d/cmdline' % self.pid, 'r').and_raises(IOError) |
| self.set_running() |
| monitor_db.email_manager.enqueue_notify_email.expect_call( |
| mock.is_string_comparator(), mock.is_string_comparator()) |
| self._test_get_pidfile_info_helper(self.pid, 1) |
| self.assertTrue(self.monitor.lost_process) |
| |
| |
| def test_get_pidfile_info_not_yet_run(self): |
| "pidfile hasn't been written yet" |
| # process not running |
| self.set_not_yet_run() |
| self.setup_find_autoservs({}) |
| self._test_get_pidfile_info_helper(None, None) |
| |
| # process running |
| self.set_not_yet_run() |
| self.setup_find_autoservs({self.pid : self.args}) |
| self._test_get_pidfile_info_helper(None, None) |
| |
| # another process running under same pid |
| self.set_not_yet_run() |
| self.setup_find_autoservs({self.pid : self.bad_args}) |
| self._test_get_pidfile_info_helper(None, None) |
| |
| |
| class AgentTest(unittest.TestCase): |
| def setUp(self): |
| self.god = mock.mock_god() |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def test_agent(self): |
| task1 = self.god.create_mock_class(monitor_db.AgentTask, |
| 'task1') |
| task2 = self.god.create_mock_class(monitor_db.AgentTask, |
| 'task2') |
| task3 = self.god.create_mock_class(monitor_db.AgentTask, |
| 'task3') |
| |
| task1.start.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.start.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] |
| |
| task3.start.expect_call() |
| task3.is_done.expect_call().and_return(True) |
| task3.is_done.expect_call().and_return(True) |
| task3.success = True |
| |
| agent = monitor_db.Agent([task1, task2]) |
| agent.dispatcher = object() |
| agent.start() |
| while not agent.is_done(): |
| agent.tick() |
| self.god.check_playback() |
| |
| |
| class AgentTasksTest(unittest.TestCase): |
| TEMP_DIR = '/temp/dir' |
| HOSTNAME = 'myhost' |
| HOST_PROTECTION = host_protections.default |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self.god.stub_with(tempfile, 'mkdtemp', |
| mock.mock_function('mkdtemp', self.TEMP_DIR)) |
| self.god.stub_class_method(monitor_db.RunMonitor, 'run') |
| self.god.stub_class_method(monitor_db.RunMonitor, 'exit_code') |
| self.host = self.god.create_mock_class(monitor_db.Host, 'host') |
| 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.queue_entry.host = self.host |
| self.queue_entry.meta_host = None |
| |
| |
| 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() |
| task.start() |
| 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): |
| monitor_db.RunMonitor.run.expect_call() |
| monitor_db.RunMonitor.exit_code.expect_call() |
| monitor_db.RunMonitor.exit_code.expect_call().and_return( |
| exit_status) |
| |
| |
| 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.monitor.cmd) >= |
| set(['autoserv', '-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(self): |
| queue_entry = self.god.create_mock_class( |
| monitor_db.HostQueueEntry, 'queue_entry') |
| self.host.set_status.expect_call('Repairing') |
| self.setup_run_monitor(1) |
| self.host.set_status.expect_call('Repair Failed') |
| queue_entry.handle_host_failure.expect_call() |
| |
| task = monitor_db.RepairTask(self.host, queue_entry) |
| self.run_task(task, False) |
| self.god.check_playback() |
| |
| |
| def setup_verify_expects(self, success, use_queue_entry): |
| if use_queue_entry: |
| self.queue_entry.set_status.expect_call('Verifying') |
| self.queue_entry.verify_results_dir.expect_call( |
| ).and_return('/verify/results/dir') |
| self.queue_entry.clear_results_dir.expect_call( |
| '/verify/results/dir') |
| 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: |
| self.queue_entry.requeue.expect_call() |
| |
| |
| 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 and not verify_task.queue_entry.meta_host: |
| self.assertEquals(repair_task.fail_queue_entry, |
| verify_task.queue_entry) |
| else: |
| self.assertEquals(repair_task.fail_queue_entry, 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.monitor.cmd) >= |
| set(['autoserv', '-v', '-m', self.HOSTNAME, '-r', |
| self.TEMP_DIR])) |
| 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._test_verify_task_helper(True, use_queue_entry=True, |
| use_meta_host=True) |
| self._test_verify_task_helper(False, use_queue_entry=True, |
| use_meta_host=True) |
| |
| |
| def test_verify_synchronous_task(self): |
| job = self.god.create_mock_class(monitor_db.Job, 'job') |
| |
| self.setup_verify_expects(True, True) |
| job.num_complete.expect_call().and_return(0) |
| self.queue_entry.set_status.expect_call('Pending') |
| job.is_ready.expect_call().and_return(True) |
| job.run.expect_call(self.queue_entry) |
| self.queue_entry.job = job |
| |
| task = monitor_db.VerifySynchronousTask(self.queue_entry) |
| task.agent = Dummy() |
| task.agent.dispatcher = Dummy() |
| self.god.stub_with(task.agent.dispatcher, 'add_agent', |
| mock.mock_function('add_agent')) |
| self.run_task(task, True) |
| self.god.check_playback() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |