| #!/usr/bin/python |
| |
| import cPickle |
| import os, unittest |
| import common |
| from autotest_lib.client.bin import local_host |
| from autotest_lib.client.common_lib import global_config |
| from autotest_lib.client.common_lib import utils |
| from autotest_lib.client.common_lib.test_utils import mock |
| from autotest_lib.frontend import setup_django_lite_environment |
| from autotest_lib.scheduler import drone_manager, drone_utility, drones |
| from autotest_lib.scheduler import scheduler_config, site_drone_manager |
| from autotest_lib.scheduler import thread_lib |
| from autotest_lib.scheduler import pidfile_monitor |
| from autotest_lib.server.hosts import ssh_host |
| |
| |
| class MockDrone(drones._AbstractDrone): |
| def __init__(self, name, active_processes=0, max_processes=10, |
| allowed_users=None, support_ssp=False): |
| super(MockDrone, self).__init__() |
| self.name = name |
| self.hostname = name |
| self.active_processes = active_processes |
| self.max_processes = max_processes |
| self.allowed_users = allowed_users |
| self._host = 'mock_drone' |
| self._support_ssp = support_ssp |
| # maps method names list of tuples containing method arguments |
| self._recorded_calls = {'queue_call': [], |
| 'send_file_to': []} |
| |
| |
| def queue_call(self, method, *args, **kwargs): |
| self._recorded_calls['queue_call'].append((method, args, kwargs)) |
| |
| |
| def call(self, method, *args, **kwargs): |
| # don't bother differentiating between call() and queue_call() |
| return self.queue_call(method, *args, **kwargs) |
| |
| |
| def send_file_to(self, drone, source_path, destination_path, |
| can_fail=False): |
| self._recorded_calls['send_file_to'].append( |
| (drone, source_path, destination_path)) |
| |
| |
| # method for use by tests |
| def _check_for_recorded_call(self, method_name, arguments): |
| recorded_arg_list = self._recorded_calls[method_name] |
| was_called = arguments in recorded_arg_list |
| if not was_called: |
| print 'Recorded args:', recorded_arg_list |
| print 'Expected:', arguments |
| return was_called |
| |
| |
| def was_call_queued(self, method, *args, **kwargs): |
| return self._check_for_recorded_call('queue_call', |
| (method, args, kwargs)) |
| |
| |
| def was_file_sent(self, drone, source_path, destination_path): |
| return self._check_for_recorded_call('send_file_to', |
| (drone, source_path, |
| destination_path)) |
| |
| |
| class DroneManager(unittest.TestCase): |
| _DRONE_INSTALL_DIR = '/drone/install/dir' |
| _DRONE_RESULTS_DIR = os.path.join(_DRONE_INSTALL_DIR, 'results') |
| _RESULTS_DIR = '/results/dir' |
| _SOURCE_PATH = 'source/path' |
| _DESTINATION_PATH = 'destination/path' |
| _WORKING_DIRECTORY = 'working/directory' |
| _USERNAME = 'my_user' |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self.god.stub_with(drones, 'AUTOTEST_INSTALL_DIR', |
| self._DRONE_INSTALL_DIR) |
| self.manager = drone_manager.DroneManager() |
| self.god.stub_with(self.manager, '_results_dir', self._RESULTS_DIR) |
| |
| # we don't want this to ever actually get called |
| self.god.stub_function(drones, 'get_drone') |
| # we don't want the DroneManager to go messing with global config |
| def do_nothing(): |
| pass |
| self.god.stub_with(self.manager, 'refresh_drone_configs', do_nothing) |
| |
| # set up some dummy drones |
| self.mock_drone = MockDrone('mock_drone') |
| self.manager._drones[self.mock_drone.name] = self.mock_drone |
| self.results_drone = MockDrone('results_drone', 0, 10) |
| self.manager._results_drone = self.results_drone |
| |
| self.mock_drone_process = drone_manager.Process(self.mock_drone.name, 0) |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def _test_choose_drone_for_execution_helper(self, processes_info_list, |
| requested_processes, |
| require_ssp=False): |
| for index, process_info in enumerate(processes_info_list): |
| if len(process_info) == 2: |
| active_processes, max_processes = process_info |
| support_ssp = False |
| else: |
| active_processes, max_processes, support_ssp = process_info |
| self.manager._enqueue_drone(MockDrone( |
| index, active_processes, max_processes, allowed_users=None, |
| support_ssp=support_ssp)) |
| |
| return self.manager._choose_drone_for_execution( |
| requested_processes, self._USERNAME, None, require_ssp) |
| |
| |
| def test_choose_drone_for_execution(self): |
| drone = self._test_choose_drone_for_execution_helper([(1, 2), (0, 2)], |
| 1) |
| self.assertEquals(drone.name, 1) |
| |
| |
| def test_choose_drone_for_execution_some_full(self): |
| drone = self._test_choose_drone_for_execution_helper([(0, 1), (1, 3)], |
| 2) |
| self.assertEquals(drone.name, 1) |
| |
| |
| def test_choose_drone_for_execution_all_full(self): |
| drone = self._test_choose_drone_for_execution_helper([(2, 1), (3, 2)], |
| 1) |
| self.assertEquals(drone.name, 1) |
| |
| |
| def test_choose_drone_for_execution_all_full_same_percentage_capacity(self): |
| drone = self._test_choose_drone_for_execution_helper([(5, 3), (10, 6)], |
| 1) |
| self.assertEquals(drone.name, 1) |
| |
| |
| def test_choose_drone_for_execution_no_ssp_support(self): |
| drone = self._test_choose_drone_for_execution_helper( |
| [(0, 1), (1, 3)], 1, True) |
| self.assertEquals(drone.name, 0) |
| |
| |
| def test_choose_drone_for_execution_with_ssp_support(self): |
| self.mock_drone._support_ssp = True |
| drone = self._test_choose_drone_for_execution_helper( |
| [(0, 1), (1, 3, True)], 1, True) |
| self.assertEquals(drone.name, 1) |
| |
| |
| def test_user_restrictions(self): |
| # this drone is restricted to a different user |
| self.manager._enqueue_drone(MockDrone(1, max_processes=10, |
| allowed_users=['fakeuser'])) |
| # this drone is allowed but has lower capacity |
| self.manager._enqueue_drone(MockDrone(2, max_processes=2, |
| allowed_users=[self._USERNAME])) |
| |
| self.assertEquals(2, |
| self.manager.max_runnable_processes(self._USERNAME, |
| None)) |
| drone = self.manager._choose_drone_for_execution( |
| 1, username=self._USERNAME, drone_hostnames_allowed=None) |
| self.assertEquals(drone.name, 2) |
| |
| |
| def test_user_restrictions_with_full_drone(self): |
| # this drone is restricted to a different user |
| self.manager._enqueue_drone(MockDrone(1, max_processes=10, |
| allowed_users=['fakeuser'])) |
| # this drone is allowed but is full |
| self.manager._enqueue_drone(MockDrone(2, active_processes=3, |
| max_processes=2, |
| allowed_users=[self._USERNAME])) |
| |
| self.assertEquals(0, |
| self.manager.max_runnable_processes(self._USERNAME, |
| None)) |
| drone = self.manager._choose_drone_for_execution( |
| 1, username=self._USERNAME, drone_hostnames_allowed=None) |
| self.assertEquals(drone.name, 2) |
| |
| |
| def _setup_test_drone_restrictions(self, active_processes=0): |
| self.manager._enqueue_drone(MockDrone( |
| 1, active_processes=active_processes, max_processes=10)) |
| self.manager._enqueue_drone(MockDrone( |
| 2, active_processes=active_processes, max_processes=5)) |
| self.manager._enqueue_drone(MockDrone( |
| 3, active_processes=active_processes, max_processes=2)) |
| |
| |
| def test_drone_restrictions_allow_any(self): |
| self._setup_test_drone_restrictions() |
| self.assertEquals(10, |
| self.manager.max_runnable_processes(self._USERNAME, |
| None)) |
| drone = self.manager._choose_drone_for_execution( |
| 1, username=self._USERNAME, drone_hostnames_allowed=None) |
| self.assertEqual(drone.name, 1) |
| |
| |
| def test_drone_restrictions_under_capacity(self): |
| self._setup_test_drone_restrictions() |
| drone_hostnames_allowed = (2, 3) |
| self.assertEquals( |
| 5, self.manager.max_runnable_processes(self._USERNAME, |
| drone_hostnames_allowed)) |
| drone = self.manager._choose_drone_for_execution( |
| 1, username=self._USERNAME, |
| drone_hostnames_allowed=drone_hostnames_allowed) |
| |
| self.assertEqual(drone.name, 2) |
| |
| |
| def test_drone_restrictions_over_capacity(self): |
| self._setup_test_drone_restrictions(active_processes=6) |
| drone_hostnames_allowed = (2, 3) |
| self.assertEquals( |
| 0, self.manager.max_runnable_processes(self._USERNAME, |
| drone_hostnames_allowed)) |
| drone = self.manager._choose_drone_for_execution( |
| 7, username=self._USERNAME, |
| drone_hostnames_allowed=drone_hostnames_allowed) |
| self.assertEqual(drone.name, 2) |
| |
| |
| def test_drone_restrictions_allow_none(self): |
| self._setup_test_drone_restrictions() |
| drone_hostnames_allowed = () |
| self.assertEquals( |
| 0, self.manager.max_runnable_processes(self._USERNAME, |
| drone_hostnames_allowed)) |
| drone = self.manager._choose_drone_for_execution( |
| 1, username=self._USERNAME, |
| drone_hostnames_allowed=drone_hostnames_allowed) |
| self.assertEqual(drone, None) |
| |
| |
| def test_initialize(self): |
| results_hostname = 'results_repo' |
| results_install_dir = '/results/install' |
| global_config.global_config.override_config_value( |
| scheduler_config.CONFIG_SECTION, |
| 'results_host_installation_directory', results_install_dir) |
| |
| (drones.get_drone.expect_call(self.mock_drone.name) |
| .and_return(self.mock_drone)) |
| |
| results_drone = MockDrone('results_drone') |
| self.god.stub_function(results_drone, 'set_autotest_install_dir') |
| drones.get_drone.expect_call(results_hostname).and_return(results_drone) |
| results_drone.set_autotest_install_dir.expect_call(results_install_dir) |
| |
| self.manager.initialize(base_results_dir=self._RESULTS_DIR, |
| drone_hostnames=[self.mock_drone.name], |
| results_repository_hostname=results_hostname) |
| |
| self.assert_(self.mock_drone.was_call_queued( |
| 'initialize', self._DRONE_RESULTS_DIR + '/')) |
| self.god.check_playback() |
| |
| |
| def test_execute_command(self): |
| self.manager._enqueue_drone(self.mock_drone) |
| |
| pidfile_name = 'my_pidfile' |
| log_file = 'log_file' |
| |
| pidfile_id = self.manager.execute_command( |
| command=['test', drone_manager.WORKING_DIRECTORY], |
| working_directory=self._WORKING_DIRECTORY, |
| pidfile_name=pidfile_name, |
| num_processes=1, |
| log_file=log_file) |
| |
| full_working_directory = os.path.join(self._DRONE_RESULTS_DIR, |
| self._WORKING_DIRECTORY) |
| self.assertEquals(pidfile_id.path, |
| os.path.join(full_working_directory, pidfile_name)) |
| self.assert_(self.mock_drone.was_call_queued( |
| 'execute_command', ['test', full_working_directory], |
| full_working_directory, |
| os.path.join(self._DRONE_RESULTS_DIR, log_file), pidfile_name)) |
| |
| |
| def test_attach_file_to_execution(self): |
| self.manager._enqueue_drone(self.mock_drone) |
| |
| contents = 'my\ncontents' |
| attached_path = self.manager.attach_file_to_execution( |
| self._WORKING_DIRECTORY, contents) |
| self.manager.execute_command(command=['test'], |
| working_directory=self._WORKING_DIRECTORY, |
| pidfile_name='mypidfile', |
| num_processes=1, |
| drone_hostnames_allowed=None) |
| |
| self.assert_(self.mock_drone.was_call_queued( |
| 'write_to_file', |
| os.path.join(self._DRONE_RESULTS_DIR, attached_path), |
| contents)) |
| |
| |
| def test_copy_results_on_drone(self): |
| self.manager.copy_results_on_drone(self.mock_drone_process, |
| self._SOURCE_PATH, |
| self._DESTINATION_PATH) |
| self.assert_(self.mock_drone.was_call_queued( |
| 'copy_file_or_directory', |
| os.path.join(self._DRONE_RESULTS_DIR, self._SOURCE_PATH), |
| os.path.join(self._DRONE_RESULTS_DIR, self._DESTINATION_PATH))) |
| |
| |
| def test_copy_to_results_repository(self): |
| site_drone_manager.ENABLE_ARCHIVING = True |
| self.manager.copy_to_results_repository(self.mock_drone_process, |
| self._SOURCE_PATH) |
| self.assert_(self.mock_drone.was_file_sent( |
| self.results_drone, |
| os.path.join(self._DRONE_RESULTS_DIR, self._SOURCE_PATH), |
| os.path.join(self._RESULTS_DIR, self._SOURCE_PATH))) |
| |
| |
| def test_write_lines_to_file(self): |
| file_path = 'file/path' |
| lines = ['line1', 'line2'] |
| written_data = 'line1\nline2\n' |
| |
| # write to results repository |
| self.manager.write_lines_to_file(file_path, lines) |
| self.assert_(self.results_drone.was_call_queued( |
| 'write_to_file', os.path.join(self._RESULTS_DIR, file_path), |
| written_data)) |
| |
| # write to a drone |
| self.manager.write_lines_to_file( |
| file_path, lines, paired_with_process=self.mock_drone_process) |
| self.assert_(self.mock_drone.was_call_queued( |
| 'write_to_file', |
| os.path.join(self._DRONE_RESULTS_DIR, file_path), written_data)) |
| |
| |
| def test_pidfile_expiration(self): |
| self.god.stub_with(self.manager, '_get_max_pidfile_refreshes', |
| lambda: 0) |
| pidfile_id = self.manager.get_pidfile_id_from('tag', 'name') |
| self.manager.register_pidfile(pidfile_id) |
| self.manager._drop_old_pidfiles() |
| self.manager._drop_old_pidfiles() |
| self.assertFalse(self.manager._registered_pidfile_info) |
| |
| |
| class ThreadedDroneTest(unittest.TestCase): |
| _DRONE_INSTALL_DIR = '/drone/install/dir' |
| _RESULTS_DIR = '/results/dir' |
| _DRONE_CLASS = drones._RemoteDrone |
| _DRONE_HOST = ssh_host.SSHHost |
| |
| |
| def create_drone(self, drone_hostname, mock_hostname, |
| timestamp_remote_calls=False): |
| """Create and initialize a Remote Drone. |
| |
| @return: A remote drone instance. |
| """ |
| mock_host = self.god.create_mock_class(self._DRONE_HOST, mock_hostname) |
| self.god.stub_function(drones.drone_utility, 'create_host') |
| drones.drone_utility.create_host.expect_call(drone_hostname).and_return( |
| mock_host) |
| mock_host.is_up.expect_call().and_return(True) |
| return self._DRONE_CLASS(drone_hostname, |
| timestamp_remote_calls=timestamp_remote_calls) |
| |
| |
| def create_fake_pidfile_info(self, tag='tag', name='name'): |
| pidfile_id = self.manager.get_pidfile_id_from(tag, name) |
| self.manager.register_pidfile(pidfile_id) |
| return self.manager._registered_pidfile_info |
| |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self.god.stub_with(drones, 'AUTOTEST_INSTALL_DIR', |
| self._DRONE_INSTALL_DIR) |
| self.manager = drone_manager.DroneManager() |
| self.god.stub_with(self.manager, '_results_dir', self._RESULTS_DIR) |
| |
| # we don't want this to ever actually get called |
| self.god.stub_function(drones, 'get_drone') |
| # we don't want the DroneManager to go messing with global config |
| def do_nothing(): |
| pass |
| self.god.stub_with(self.manager, 'refresh_drone_configs', do_nothing) |
| |
| self.results_drone = MockDrone('results_drone', 0, 10) |
| self.manager._results_drone = self.results_drone |
| self.drone_utility_path = 'mock-drone-utility-path' |
| self.mock_return = {'results': ['mock results'], |
| 'warnings': []} |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| def test_trigger_refresh(self): |
| """Test drone manager trigger refresh.""" |
| self.god.stub_with(self._DRONE_CLASS, '_drone_utility_path', |
| self.drone_utility_path) |
| mock_drone = self.create_drone('fakedrone1', 'fakehost1') |
| self.manager._drones[mock_drone.hostname] = mock_drone |
| |
| # Create some fake pidfiles and confirm that a refresh call is |
| # executed on each drone host, with the same pidfile paths. Then |
| # check that each drone gets a key in the returned results dictionary. |
| for i in range(0, 1): |
| pidfile_info = self.create_fake_pidfile_info( |
| 'tag%s' % i, 'name%s' %i) |
| pidfile_paths = [pidfile.path for pidfile in pidfile_info.keys()] |
| refresh_call = drone_utility.call('refresh', pidfile_paths) |
| expected_results = {} |
| mock_result = utils.CmdResult( |
| stdout=cPickle.dumps(self.mock_return)) |
| for drone in self.manager.get_drones(): |
| drone._host.run.expect_call( |
| 'python %s' % self.drone_utility_path, |
| stdin=cPickle.dumps([refresh_call]), stdout_tee=None, |
| connect_timeout=mock.is_instance_comparator(int) |
| ).and_return(mock_result) |
| expected_results[drone] = self.mock_return['results'] |
| self.manager.trigger_refresh() |
| self.assertTrue(self.manager._refresh_task_queue.get_results() == |
| expected_results) |
| self.god.check_playback() |
| |
| |
| def test_sync_refresh(self): |
| """Test drone manager sync refresh.""" |
| |
| mock_drone = self.create_drone('fakedrone1', 'fakehost1') |
| self.manager._drones[mock_drone.hostname] = mock_drone |
| |
| # Insert some drone_utility results into the results queue, then |
| # check that get_results returns it in the right format, and that |
| # the rest of sync_refresh populates the right datastructures for |
| # correct handling of agents. Also confirm that this method of |
| # syncing is sufficient for the monitor to pick up the exit status |
| # of the process in the same way it would in handle_agents. |
| pidfile_path = 'results/hosts/host_id/job_id-name/.autoserv_execute' |
| pidfiles = {pidfile_path: '123\n12\n0\n'} |
| drone_utility_results = { |
| 'pidfiles': pidfiles, |
| 'autoserv_processes':{}, |
| 'all_processes':{}, |
| 'parse_processes':{}, |
| 'pidfiles_second_read':pidfiles, |
| } |
| # Our manager instance isn't the drone manager singletone that the |
| # pidfile_monitor will use by default, becuase setUp doesn't call |
| # drone_manager.instance(). |
| self.god.stub_with(drone_manager, '_the_instance', self.manager) |
| monitor = pidfile_monitor.PidfileRunMonitor() |
| monitor.pidfile_id = drone_manager.PidfileId(pidfile_path) |
| self.manager.register_pidfile(monitor.pidfile_id) |
| self.assertTrue(monitor._state.exit_status == None) |
| |
| self.manager._refresh_task_queue.results_queue.put( |
| thread_lib.ThreadedTaskQueue.result( |
| mock_drone, [drone_utility_results])) |
| self.manager.sync_refresh() |
| pidfiles = self.manager._pidfiles |
| pidfile_id = pidfiles.keys()[0] |
| pidfile_contents = pidfiles[pidfile_id] |
| |
| self.assertTrue( |
| pidfile_id.path == pidfile_path and |
| pidfile_contents.process.pid == 123 and |
| pidfile_contents.process.hostname == |
| mock_drone.hostname and |
| pidfile_contents.exit_status == 12 and |
| pidfile_contents.num_tests_failed == 0) |
| self.assertTrue(monitor.exit_code() == 12) |
| self.god.check_playback() |
| |
| |
| class ThreadedLocalhostDroneTest(ThreadedDroneTest): |
| _DRONE_CLASS = drones._LocalDrone |
| _DRONE_HOST = local_host.LocalHost |
| |
| |
| def create_drone(self, drone_hostname, mock_hostname, |
| timestamp_remote_calls=False): |
| """Create and initialize a Remote Drone. |
| |
| @return: A remote drone instance. |
| """ |
| mock_host = self.god.create_mock_class(self._DRONE_HOST, mock_hostname) |
| self.god.stub_function(drones.drone_utility, 'create_host') |
| local_drone = self._DRONE_CLASS( |
| timestamp_remote_calls=timestamp_remote_calls) |
| self.god.stub_with(local_drone, '_host', mock_host) |
| return local_drone |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
