#!/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, 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): 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()