Exemplo n.º 1
0
    def test_progress_watcher_tail_lot_of_writes(self):
        file_name = 'build/tail_progress_test.' + get_random_task_id()
        config = cc.ExecutorConfig(progress_output_name=file_name)
        items_to_write = 250000
        stop_signal = Event()
        completed_signal = Event()
        tail_sleep_ms = 25

        try:

            def write_to_file():
                file = open(file_name, 'w+')
                for item in range(items_to_write):
                    file.write("{}\n".format(item))
                    file.flush()
                file.close()
                time.sleep(0.15)
                completed_signal.set()

            Thread(target=write_to_file, args=()).start()

            progress_watcher = cp.ProgressWatcher(config, stop_signal,
                                                  completed_signal)
            collected_data = []
            for line in progress_watcher.tail(tail_sleep_ms):
                collected_data.append(line.strip())

            logging.info('Items read: {}'.format(len(collected_data)))
            self.assertEqual(items_to_write, len(collected_data))
            expected_data = list(map(lambda x: str(x), range(items_to_write)))
            self.assertEqual(expected_data, collected_data)
        finally:
            if os.path.isfile(file_name):
                os.remove(file_name)
Exemplo n.º 2
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    def test_kill_task_terminate(self):
        task_id = get_random_task_id()

        stdout_name = ensure_directory('build/stdout.' + str(task_id))
        stderr_name = ensure_directory('build/stderr.' + str(task_id))

        stdout = open(stdout_name, 'w+')
        stderr = open(stderr_name, 'w+')

        try:
            command = 'sleep 100'
            process = subprocess.Popen(command,
                                       shell=True,
                                       stdout=stdout,
                                       stderr=stderr)
            process_info = process, stdout, stderr
            shutdown_grace_period_ms = 2000
            ce.kill_task(process_info, shutdown_grace_period_ms)

            # await process termination
            while process.poll() is None:
                time.sleep(0.01)
            self.assertEqual(-1 * signal.SIGTERM, process.poll())

            self.assertTrue(stdout.closed)
            self.assertTrue(stderr.closed)

        finally:
            cleanup_output(stdout_name, stderr_name)
Exemplo n.º 3
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    def test_await_process_completion_normal(self):
        task_id = get_random_task_id()

        stdout_name = ensure_directory('build/stdout.' + str(task_id))
        stderr_name = ensure_directory('build/stderr.' + str(task_id))

        stdout = open(stdout_name, 'w+')
        stderr = open(stderr_name, 'w+')

        try:
            command = 'sleep 2'
            process = subprocess.Popen(command,
                                       shell=True,
                                       stdout=stdout,
                                       stderr=stderr)
            process_info = process, stdout, stderr
            shutdown_grace_period_ms = 1000

            stop_signal = Event()

            ce.await_process_completion(stop_signal, process_info,
                                        shutdown_grace_period_ms)

            self.assertFalse(stop_signal.isSet())
            self.assertEqual(0, process.returncode)

            self.assertTrue(stdout.closed)
            self.assertTrue(stderr.closed)

        finally:
            cleanup_output(stdout_name, stderr_name)
Exemplo n.º 4
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    def test_await_process_completion_killed(self):
        task_id = get_random_task_id()

        stdout_name = 'build/stdout.' + str(task_id)
        stderr_name = 'build/stderr.' + str(task_id)

        stdout = open(stdout_name, 'w+')
        stderr = open(stderr_name, 'w+')

        try:
            command = 'sleep 100'
            process = subprocess.Popen(command, shell=True, stdout=stdout, stderr=stderr)
            process_info = process, stdout, stderr
            shutdown_grace_period_ms = 2000

            stop_signal = Event()

            def sleep_and_set_stop_signal():
                time.sleep(2 * cook.RUNNING_POLL_INTERVAL_SECS)
                stop_signal.set()
            thread = Thread(target=sleep_and_set_stop_signal, args=())
            thread.start()

            ce.await_process_completion(stop_signal, process_info, shutdown_grace_period_ms)

            self.assertTrue(process.returncode < 0)

            self.assertTrue(stdout.closed)
            self.assertTrue(stderr.closed)

        finally:
            cleanup_output(stdout_name, stderr_name)
Exemplo n.º 5
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    def manage_task_runner(self, command, assertions_fn, stop_signal=Event()):
        driver = FakeMesosExecutorDriver()
        task_id = get_random_task_id()
        task = {'task_id': {'value': task_id},
                'data': encode_data(json.dumps({'command': command}).encode('utf8'))}

        stdout_name = 'build/stdout.' + str(task_id)
        stderr_name = 'build/stderr.' + str(task_id)

        completed_signal = Event()
        max_message_length = 300
        progress_sample_interval_ms = 100
        sandbox_location = '/location/to/task/sandbox/{}'.format(task_id)
        progress_output_name = stdout_name
        progress_regex_string = '\^\^\^\^JOB-PROGRESS: (\d*)(?: )?(.*)'
        config = cc.ExecutorConfig(max_message_length=max_message_length,
                                   progress_output_name=progress_output_name,
                                   progress_regex_string=progress_regex_string,
                                   progress_sample_interval_ms=progress_sample_interval_ms,
                                   sandbox_location=sandbox_location)

        try:

            ce.manage_task(driver, task, stop_signal, completed_signal, config, stdout_name, stderr_name)

            self.assertTrue(completed_signal.isSet())
            assertions_fn(driver, task_id, sandbox_location)

        finally:
            cleanup_output(stdout_name, stderr_name)
Exemplo n.º 6
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    def test_launch_task_handle_exception(self):
        task_id = tu.get_random_task_id()
        task = {'task_id': {'value': task_id}}

        process = ce.launch_task(task, os.environ)

        self.assertIsNone(process)
Exemplo n.º 7
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    def test_send_progress_does_not_trim_unknown_field(self):
        driver = tu.FakeMesosExecutorDriver()
        task_id = tu.get_random_task_id()
        max_message_length = 30
        poll_interval_ms = 10

        send_progress_message = self.send_progress_message_helper(
            driver, max_message_length)
        progress_updater = cp.ProgressUpdater(task_id, max_message_length,
                                              poll_interval_ms,
                                              send_progress_message)
        progress_data_0 = {
            'progress-message':
            b' pm',
            'progress-sequence':
            1,
            'unknown':
            'Unknown field has a really long lorem ipsum dolor sit amet exceed limit text'
        }
        progress_updater.send_progress_update(progress_data_0)

        self.assertEqual(1, len(driver.messages))
        actual_encoded_message_0 = driver.messages[0]
        expected_message_0 = {
            'progress-message':
            'pm',
            'progress-sequence':
            1,
            'task-id':
            task_id,
            'unknown':
            'Unknown field has a really long lorem ipsum dolor sit amet exceed limit text'
        }
        tu.assert_message(self, expected_message_0, actual_encoded_message_0)
Exemplo n.º 8
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    def test_await_process_completion_killed(self):
        task_id = tu.get_random_task_id()

        stdout_name = tu.ensure_directory('build/stdout.{}'.format(task_id))
        stderr_name = tu.ensure_directory('build/stderr.{}'.format(task_id))

        tu.redirect_stdout_to_file(stdout_name)
        tu.redirect_stderr_to_file(stderr_name)

        try:
            command = 'sleep 100'
            process = subprocess.Popen(command,
                                       preexec_fn=os.setpgrp,
                                       shell=True)
            shutdown_grace_period_ms = 2000

            stop_signal = Event()
            sleep_and_set_stop_signal_task(stop_signal, 2)

            ce.await_process_completion(process, stop_signal,
                                        shutdown_grace_period_ms)

            self.assertTrue(process.returncode < 0)

        finally:
            tu.cleanup_output(stdout_name, stderr_name)
Exemplo n.º 9
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    def test_send_progress_update_trims_progress_message(self):
        driver = tu.FakeMesosExecutorDriver()
        task_id = tu.get_random_task_id()
        max_message_length = 30
        poll_interval_ms = 10

        send_progress_message = self.send_progress_message_helper(
            driver, max_message_length)
        progress_updater = cp.ProgressUpdater(task_id, max_message_length,
                                              poll_interval_ms,
                                              send_progress_message)
        progress_data_0 = {
            'progress-message':
            b' Progress message-0 is really long lorem ipsum dolor sit amet text',
            'progress-sequence': 1
        }
        progress_updater.send_progress_update(progress_data_0)

        self.assertEqual(1, len(driver.messages))
        actual_encoded_message_0 = driver.messages[0]
        expected_message_0 = {
            'progress-message': 'Progress message-0 is reall...',
            'progress-sequence': 1,
            'task-id': task_id
        }
        tu.assert_message(self, expected_message_0, actual_encoded_message_0)
Exemplo n.º 10
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    def test_collect_progress_updates_lots_of_writes(self):
        file_name = 'build/collect_progress_test.' + get_random_task_id()
        progress_regex_string = 'progress: (\d*), (.*)'
        config = cc.ExecutorConfig(progress_output_name=file_name,
                                   progress_regex_string=progress_regex_string)

        items_to_write = 250000
        stop_signal = Event()
        completed_signal = Event()

        def write_to_file():
            target_file = open(file_name, 'w+')
            unit_progress_granularity = int(items_to_write / 100)
            for item in range(items_to_write):
                remainder = (item + 1) % unit_progress_granularity
                if remainder == 0:
                    progress_percent = math.ceil(item /
                                                 unit_progress_granularity)
                    target_file.write(
                        'progress: {0}, completed-{0}-percent\n'.format(
                            progress_percent))
                    target_file.flush()
                target_file.write("{}\n".format(item))
                target_file.flush()
            target_file.close()
            time.sleep(0.15)
            completed_signal.set()

        write_thread = Thread(target=write_to_file, args=())
        write_thread.start()

        progress_watcher = cp.ProgressWatcher(config, stop_signal,
                                              completed_signal)

        try:
            collected_data = []

            def read_progress_states():
                for progress in progress_watcher.retrieve_progress_states():
                    logging.info('Received: {}'.format(progress))
                    collected_data.append(progress)

            read_progress_states_thread = Thread(target=read_progress_states,
                                                 args=())
            read_progress_states_thread.start()

            read_progress_states_thread.join()

            expected_data = list(
                map(
                    lambda x: {
                        'progress-message': 'completed-{}-percent'.format(x),
                        'progress-percent': x
                    }, range(1, 101)))

            self.assertEqual(expected_data, collected_data)
        finally:
            completed_signal.set()
            if os.path.isfile(file_name):
                os.remove(file_name)
Exemplo n.º 11
0
    def test_kill_task_terminate_with_sigkill(self):
        task_id = tu.get_random_task_id()

        stdout_name = tu.ensure_directory('build/stdout.{}'.format(task_id))
        stderr_name = tu.ensure_directory('build/stderr.{}'.format(task_id))

        tu.redirect_stdout_to_file(stdout_name)
        tu.redirect_stderr_to_file(stderr_name)

        try:
            command = "trap '' TERM SIGTERM; sleep 200"
            process = cs.launch_process(command, {})
            shutdown_grace_period_ms = 1000

            group_id = cs.find_process_group(process.pid)
            self.assertGreater(len(find_process_ids_in_group(group_id)), 0)

            cs.kill_process(process, shutdown_grace_period_ms)

            # await process termination
            for i in range(1, 10 * shutdown_grace_period_ms):
                if process.poll() is None:
                    time.sleep(0.01)
            if process.poll() is None:
                process.kill()

            self.assertTrue(
                ((-1 * signal.SIGKILL) == process.poll())
                or ((128 + signal.SIGKILL) == process.poll()),
                'Process exited with code {}'.format(process.poll()))
            self.assertEqual(len(find_process_ids_in_group(group_id)), 0)

        finally:
            tu.cleanup_output(stdout_name, stderr_name)
Exemplo n.º 12
0
    def test_collect_progress_updates_with_empty_regex(self):
        file_name = ensure_directory('build/collect_progress_test.' +
                                     get_random_task_id())
        progress_regex_string = ''
        config = cc.ExecutorConfig(progress_output_name=file_name,
                                   progress_regex_string=progress_regex_string)
        stop_signal = Event()
        completed_signal = Event()

        file = open(file_name, 'w+')
        file.flush()
        progress_watcher = cp.ProgressWatcher(config, stop_signal,
                                              completed_signal)

        try:

            def read_progress_states():
                for _ in progress_watcher.retrieve_progress_states():
                    pass

            Thread(target=read_progress_states, args=()).start()

            file.write("Stage One complete\n")
            file.flush()
            file.write("^^^^JOB-PROGRESS: 25 Twenty-Fine percent\n")
            file.flush()
            file.write("Stage Two complete\n")
            file.flush()
            file.write("^^^^JOB-PROGRESS: 50 Fifty percent\n")
            file.flush()

            time.sleep(0.10)
            self.assertIsNone(progress_watcher.current_progress())

            file.write("Stage Three complete\n")
            file.flush()

            time.sleep(0.10)
            self.assertIsNone(progress_watcher.current_progress())

            file.write("^^^^JOB-PROGRESS: 55 Fifty-five percent\n")
            file.flush()

            time.sleep(0.10)
            self.assertIsNone(progress_watcher.current_progress())

            file.write("Stage Four complete\n")
            file.flush()
            file.write("^^^^JOB-PROGRESS: 100 Hundred percent\n")
            file.flush()

            time.sleep(0.10)
            self.assertIsNone(progress_watcher.current_progress())

        finally:
            completed_signal.set()
            file.close()
            if os.path.isfile(file_name):
                os.remove(file_name)
Exemplo n.º 13
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    def test_send_message_max_length_exceeded(self):
        driver = object()
        task_id = get_random_task_id()
        message = json.dumps({'task-id': task_id, 'message': 'test-message'})
        max_message_length = 1

        result = ce.send_message(driver, message, max_message_length)
        self.assertFalse(result)
Exemplo n.º 14
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    def test_launch_task_handle_exception(self):
        task_id = get_random_task_id()
        task = {'task_id': {'value': task_id}}
        stdout_name = ''
        stderr_name = ''

        result = ce.launch_task(task, stdout_name, stderr_name)

        self.assertIsNone(result)
Exemplo n.º 15
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    def test_manage_task_successful_exit_despite_faulty_driver(self):
        def assertions(driver, task_id, sandbox_directory):
            expected_statuses = [{
                'task_id': {
                    'value': task_id
                },
                'state': cook.TASK_STARTING
            }, {
                'task_id': {
                    'value': task_id
                },
                'state': cook.TASK_RUNNING
            }, {
                'task_id': {
                    'value': task_id
                },
                'state': cook.TASK_FINISHED
            }]
            tu.assert_statuses(self, expected_statuses, driver.statuses)

            expected_core_messages = [{
                'sandbox-directory': sandbox_directory,
                'task-id': task_id,
                'type': 'directory'
            }, {
                'exit-code': 0,
                'task-id': task_id
            }]
            expected_progress_messages = [
                {
                    'progress-message': 'ninety percent',
                    'progress-percent': 90,
                    'progress-sequence': 1,
                    'task-id': task_id
                },
                # retried because the previous send fails
                {
                    'progress-message': 'ninety percent',
                    'progress-percent': 90,
                    'progress-sequence': 1,
                    'task-id': task_id
                }
            ]
            tu.assert_messages(self, expected_core_messages,
                               expected_progress_messages, driver.messages)

        test_file_name = tu.ensure_directory('build/file.' +
                                             tu.get_random_task_id())
        command = ('echo "^^^^JOB-PROGRESS: 90 ninety percent"'.format(
            test_file_name))
        socket_error = OSError(
            'socket.error')  # socket.error is an alias of OSError
        self.manage_task_runner(
            command,
            assertions,
            driver=tu.ErrorMesosExecutorDriver(socket_error))
Exemplo n.º 16
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    def test_launch_task_no_command(self):
        task_id = get_random_task_id()
        task = {'task_id': {'value': task_id},
                'data': encode_data(json.dumps({'command': ''}).encode('utf8'))}
        stdout_name = ''
        stderr_name = ''

        result = ce.launch_task(task, stdout_name, stderr_name)

        self.assertIsNone(result)
Exemplo n.º 17
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 def test_create_status_running(self):
     task_id = get_random_task_id()
     actual_status = ce.create_status(task_id, cook.TASK_RUNNING)
     expected_status = {
         'task_id': {
             'value': task_id
         },
         'state': cook.TASK_RUNNING
     }
     assert_status(self, expected_status, actual_status)
Exemplo n.º 18
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    def test_update_status(self):
        driver = FakeMesosExecutorDriver()
        task_id = get_random_task_id()
        task_state = "TEST_TASK_STATE"

        ce.update_status(driver, task_id, task_state)

        self.assertEqual(1, len(driver.statuses))
        actual_status = driver.statuses[0]
        expected_status = {'task_id': {'value': task_id}, 'state': task_state}
        assert_status(self, expected_status, actual_status)
Exemplo n.º 19
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    def test_collect_progress_updates_dev_null(self):
        file_name = tu.ensure_directory('build/collect_progress_test.' +
                                        tu.get_random_task_id())
        progress_regex = '\^\^\^\^JOB-PROGRESS:\s+([0-9]*\.?[0-9]+)($|\s+.*)'
        location = '/dev/null'
        stop = Event()
        completed = Event()
        termination = Event()

        file = open(file_name, 'w+')
        file.flush()
        counter = cp.ProgressSequenceCounter()
        dn_watcher = cp.ProgressWatcher(location, 'dn', counter, 1024,
                                        progress_regex, stop, completed,
                                        termination)
        out_watcher = cp.ProgressWatcher(file_name, 'so', counter, 1024,
                                         progress_regex, stop, completed,
                                         termination)

        try:

            def print_to_file():
                file.write('Stage One complete\n')
                file.write('^^^^JOB-PROGRESS: 100 100-percent\n')
                file.flush()
                file.close()
                completed.set()

            print_thread = Thread(target=print_to_file, args=())
            print_thread.start()

            progress_states = [{
                'progress-message': b' 100-percent',
                'progress-percent': 100,
                'progress-sequence': 1
            }]
            for actual_progress_state in out_watcher.retrieve_progress_states(
            ):
                expected_progress_state = progress_states.pop(0)
                self.assertEqual(expected_progress_state,
                                 actual_progress_state)
                self.assertEqual(expected_progress_state,
                                 out_watcher.current_progress())
            self.assertFalse(progress_states)

            iterable = dn_watcher.retrieve_progress_states()
            exhausted = object()
            self.assertEqual(exhausted, next(iterable, exhausted))
            self.assertIsNone(dn_watcher.current_progress())

            print_thread.join()
        finally:
            completed.set()
            tu.cleanup_file(file_name)
Exemplo n.º 20
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    def test_send_message(self):
        driver = tu.FakeMesosExecutorDriver()
        task_id = tu.get_random_task_id()
        expected_message = {'task-id': task_id, 'message': 'test-message'}

        result = ce.send_message(driver, tu.fake_os_error_handler,
                                 expected_message)

        self.assertTrue(result)
        self.assertEqual(1, len(driver.messages))
        actual_encoded_message = driver.messages[0]
        tu.assert_message(self, expected_message, actual_encoded_message)
Exemplo n.º 21
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    def manage_task_runner(self,
                           command,
                           assertions_fn,
                           stop_signal=None,
                           task_id=None,
                           config=None,
                           driver=None):

        if driver is None:
            driver = tu.FakeMesosExecutorDriver()
        if stop_signal is None:
            stop_signal = Event()
        if task_id is None:
            task_id = tu.get_random_task_id()

        task = {
            'task_id': {
                'value': task_id
            },
            'data':
            pm.encode_data(json.dumps({
                'command': command
            }).encode('utf8'))
        }

        stdout_name = tu.ensure_directory('build/stdout.{}'.format(task_id))
        stderr_name = tu.ensure_directory('build/stderr.{}'.format(task_id))

        tu.redirect_stdout_to_file(stdout_name)
        tu.redirect_stderr_to_file(stderr_name)

        completed_signal = Event()
        if config is None:
            sandbox_directory = '/location/to/task/sandbox/{}'.format(task_id)
            config = cc.ExecutorConfig(
                max_message_length=300,
                progress_output_name=stdout_name,
                progress_regex_string=
                '\^\^\^\^JOB-PROGRESS:\s+([0-9]*\.?[0-9]+)($|\s+.*)',
                progress_sample_interval_ms=100,
                sandbox_directory=sandbox_directory)
        else:
            sandbox_directory = config.sandbox_directory

        try:

            ce.manage_task(driver, task, stop_signal, completed_signal, config)

            self.assertTrue(completed_signal.isSet())
            assertions_fn(driver, task_id, sandbox_directory)

        finally:
            tu.cleanup_output(stdout_name, stderr_name)
Exemplo n.º 22
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 def test_create_status_running(self):
     driver = tu.FakeMesosExecutorDriver()
     task_id = tu.get_random_task_id()
     status_updater = ce.StatusUpdater(driver, task_id)
     actual_status = status_updater.create_status(cook.TASK_RUNNING)
     expected_status = {
         'task_id': {
             'value': task_id
         },
         'state': cook.TASK_RUNNING
     }
     tu.assert_status(self, expected_status, actual_status)
Exemplo n.º 23
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    def test_send_message(self):
        driver = FakeMesosExecutorDriver()
        task_id = get_random_task_id()
        expected_message = {'task-id': task_id, 'message': 'test-message'}
        message = json.dumps(expected_message)
        max_message_length = 512

        result = ce.send_message(driver, message, max_message_length)

        self.assertTrue(result)
        self.assertEqual(1, len(driver.messages))
        actual_encoded_message = driver.messages[0]
        assert_message(self, expected_message, actual_encoded_message)
Exemplo n.º 24
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    def test_launch_task_no_command(self):
        task_id = tu.get_random_task_id()
        task = {
            'task_id': {
                'value': task_id
            },
            'data': pm.encode_data(json.dumps({
                'command': ''
            }).encode('utf8'))
        }

        process = ce.launch_task(task, os.environ)

        self.assertIsNone(process)
Exemplo n.º 25
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    def test_send_message_handles_generic_exception(self):
        exception_handler_calls = []
        exception_handler = functools.partial(tu.store_exception_handler,
                                              exception_handler_calls)
        exception = Exception('Generic Exception')
        driver = tu.ErrorMesosExecutorDriver(exception)
        task_id = tu.get_random_task_id()
        message = {'task-id': task_id, 'message': 'test-message'}

        result = ce.send_message(driver, exception_handler, message)

        self.assertEqual([], exception_handler_calls)
        self.assertFalse(result)
        self.assertEqual(1, len(driver.messages))
Exemplo n.º 26
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    def test_send_message_handles_os_error_non_memory(self):
        exception_handler_calls = []
        exception_handler = functools.partial(tu.store_exception_handler,
                                              exception_handler_calls)
        exception = OSError(errno.EACCES, 'Permission denied')
        driver = tu.ErrorMesosExecutorDriver(exception)
        task_id = tu.get_random_task_id()
        message = {'task-id': task_id, 'message': 'test-message'}

        result = ce.send_message(driver, exception_handler, message)

        self.assertEqual([], exception_handler_calls)
        self.assertFalse(result)
        self.assertEqual(1, len(driver.messages))
Exemplo n.º 27
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    def test_collect_progress_updates_faulty_regex(self):
        file_name = tu.ensure_directory(
            'build/collect_progress_updates_skip_faulty.' +
            tu.get_random_task_id())
        progress_regex = '\^\^\^\^JOB-PROGRESS: (\S+)(?: )?(.*)'
        stop = Event()
        completed = Event()
        termination = Event()

        file = open(file_name, 'w+')
        file.flush()
        counter = cp.ProgressSequenceCounter()
        watcher = cp.ProgressWatcher(file_name, 'test', counter, 1024,
                                     progress_regex, stop, completed,
                                     termination)

        try:

            def print_to_file():
                file.write('^^^^JOB-PROGRESS: ABCDEF string percent\n')
                file.write('^^^^JOB-PROGRESS: F50 Fifty percent\n')
                file.write(
                    '^^^^JOB-PROGRESS: 1019101010101010101010101018101101010101010110171010110 Sixty percent\n'
                )
                file.write('^^^^JOB-PROGRESS: 75 75% percent\n')
                file.flush()
                file.close()
                completed.set()

            print_thread = Thread(target=print_to_file, args=())
            print_thread.start()

            progress_states = [{
                'progress-message': b'75% percent',
                'progress-percent': 75,
                'progress-sequence': 1
            }]
            for actual_progress_state in watcher.retrieve_progress_states():
                expected_progress_state = progress_states.pop(0)
                self.assertEqual(expected_progress_state,
                                 actual_progress_state)
                self.assertEqual(expected_progress_state,
                                 watcher.current_progress())
            self.assertFalse(progress_states)

            print_thread.join()
        finally:
            completed.set()
            tu.cleanup_file(file_name)
Exemplo n.º 28
0
    def test_send_progress_update(self):
        driver = tu.FakeMesosExecutorDriver()
        task_id = tu.get_random_task_id()
        max_message_length = 30
        poll_interval_ms = 100

        send_progress_message = self.send_progress_message_helper(
            driver, max_message_length)
        progress_updater = cp.ProgressUpdater(task_id, max_message_length,
                                              poll_interval_ms,
                                              send_progress_message)
        progress_data_0 = {
            'progress-message': b' Progress message-0',
            'progress-sequence': 1
        }
        progress_updater.send_progress_update(progress_data_0)

        self.assertEqual(1, len(driver.messages))
        actual_encoded_message_0 = driver.messages[0]
        expected_message_0 = {
            'progress-message': 'Progress message-0',
            'progress-sequence': 1,
            'task-id': task_id
        }
        tu.assert_message(self, expected_message_0, actual_encoded_message_0)

        progress_data_1 = {
            'progress-message': b' Progress message-1',
            'progress-sequence': 2
        }
        progress_updater.send_progress_update(progress_data_1)

        self.assertEqual(1, len(driver.messages))

        time.sleep(poll_interval_ms / 1000.0)
        progress_data_2 = {
            'progress-message': b' Progress message-2',
            'progress-sequence': 3
        }
        progress_updater.send_progress_update(progress_data_2)

        self.assertEqual(2, len(driver.messages))
        actual_encoded_message_2 = driver.messages[1]
        expected_message_2 = {
            'progress-message': 'Progress message-2',
            'progress-sequence': 3,
            'task-id': task_id
        }
        tu.assert_message(self, expected_message_2, actual_encoded_message_2)
Exemplo n.º 29
0
    def test_launch_task_interactive_output(self):
        task_id = tu.get_random_task_id()
        command = 'echo "Start"; echo "Hello"; sleep 100; echo "World"; echo "Done"; '
        task = {
            'task_id': {
                'value': task_id
            },
            'data':
            pm.encode_data(json.dumps({
                'command': command
            }).encode('utf8'))
        }

        stdout_name = tu.ensure_directory('build/stdout.{}'.format(task_id))
        stderr_name = tu.ensure_directory('build/stderr.{}'.format(task_id))

        tu.redirect_stdout_to_file(stdout_name)
        tu.redirect_stderr_to_file(stderr_name)

        try:
            process = ce.launch_task(task, os.environ)

            self.assertIsNotNone(process)

            # let the process run for up to 50 seconds
            for _ in range(5000):
                if cs.is_process_running(process):
                    time.sleep(0.01)
                    with open(stdout_name) as f:
                        stdout_content = f.read()
                        if 'Start' in stdout_content and 'Hello' in stdout_content:
                            break

            try:
                with open(stdout_name) as f:
                    stdout_content = f.read()
                    logging.info(
                        'Contents of stdout: {}'.format(stdout_content))
                    self.assertTrue("Start" in stdout_content)
                    self.assertTrue("Hello" in stdout_content)
                    self.assertFalse("World" in stdout_content)
                    self.assertFalse("Done" in stdout_content)
            finally:
                if process.poll() is None:
                    logging.info('Killing launched process')
                    process.kill()

        finally:
            tu.cleanup_output(stdout_name, stderr_name)
Exemplo n.º 30
0
    def test_cleanup_process(self):
        task_id = get_random_task_id()
        stdout_name = ensure_directory('build/stdout.' + str(task_id))
        stderr_name = ensure_directory('build/stderr.' + str(task_id))

        stdout = open(stdout_name, 'w+')
        stderr = open(stderr_name, 'w+')

        try:
            process_info = None, stdout, stderr
            ce.cleanup_process(process_info)

            self.assertTrue(stdout.closed)
            self.assertTrue(stderr.closed)
        finally:
            cleanup_output(stdout_name, stderr_name)