How to use retrieve_logs method in autotest

Best Python code snippet using autotest_python

logs.py

Source:logs.py

...7from chalice.awsclient import TypedAWSClient  # noqa8def display_logs(retriever, max_entries,9                 include_lambda_messages, stream):10    # type: (LogRetriever, int, bool, IO[str]) -> None11    events = retriever.retrieve_logs(12        include_lambda_messages=include_lambda_messages,13        max_entries=max_entries)14    for event in events:15        stream.write('%s %s %s\n' % (16            event['timestamp'],17            event['logShortId'],18            event['message'].strip()))19class LogRetriever(object):20    def __init__(self, client, log_group_name):21        # type: (TypedAWSClient, str) -> None22        self._client = client23        self._log_group_name = log_group_name24    @classmethod25    def create_from_arn(cls, client, lambda_arn):26        # type: (TypedAWSClient, str) -> LogRetriever27        """Create a LogRetriever from a client and lambda arn.28        :type client: botocore.client.Logs29        :param client: A ``logs`` client.30        :type lambda_arn: str31        :param lambda_arn: The ARN of the lambda function.32        :return: An instance of ``LogRetriever``.33        """34        lambda_name = lambda_arn.split(':')[6]35        log_group_name = '/aws/lambda/%s' % lambda_name36        return cls(client, log_group_name)37    def _is_lambda_message(self, event):38        # type: (Dict[str, Any]) -> bool39        # Lambda will also inject log messages into your log streams.40        # They look like:41        # START RequestId: guid Version: $LATEST42        # END RequestId: guid43        # REPORT RequestId: guid    Duration: 0.35 ms   Billed Duration: ...44        # By default, these message are included in retrieve_logs().45        # But you can also request that retrieve_logs() filter out46        # these message so that we only include log messages generated47        # by your chalice app.48        msg = event['message'].strip()49        return msg.startswith(('START RequestId',50                               'END RequestId',51                               'REPORT RequestId'))52    def retrieve_logs(self, include_lambda_messages=True, max_entries=None):53        # type: (bool, Optional[int]) -> Iterator[Dict[str, Any]]54        """Retrieve logs from a log group.55        :type include_lambda_messages: boolean56        :param include_lambda_messages: Include logs generated by the AWS57            Lambda service.  If this value is False, only chalice logs will be58            included.59        :type max_entries: int60        :param max_entries: Maximum number of log messages to include.61        :rtype: iterator62        :return: An iterator that yields event dicts.  Each event63            dict has these keys:64            * logStreamName -> (string) The name of the log stream.65            * timestamp -> (datetime.datetime) - The timestamp for the msg.66            * message -> (string) The data contained in the log event....

6138_test_logs.py

Source:6138_test_logs.py

...11    client = mock.Mock(spec=TypedAWSClient)12    log_message = message('first')13    client.iter_log_events.return_value = [log_message]14    retriever = logs.LogRetriever(client, 'loggroup')15    messages = list(retriever.retrieve_logs())16    expected = log_message.copy()17    # We also inject a logShortId.18    expected['logShortId'] = 'logStreamName'19    assert messages == [expected]20def test_can_support_max_entries():21    client = mock.Mock(spec=TypedAWSClient)22    client.iter_log_events.return_value = [message('first'), message('second')]23    retriever = logs.LogRetriever(client, 'loggroup')24    messages = list(retriever.retrieve_logs(max_entries=1))25    assert len(messages) == 126    assert messages[0]['message'] == 'first'27def test_can_exclude_lambda_messages():28    client = mock.Mock(spec=TypedAWSClient)29    client.iter_log_events.return_value = [30        message('START RequestId: id Version: $LATEST'),31        message('END RequestId: id'),32        message('REPORT RequestId: id Duration: 0.42 ms   '33                'Billed Duration: 100 ms     '34                'Memory Size: 128 MB Max Memory Used: 19 MB'),35        message('Not a lambda message'),36    ]37    retriever = logs.LogRetriever(client, 'loggroup')38    messages = list(retriever.retrieve_logs(include_lambda_messages=False))39    assert len(messages) == 140    assert messages[0]['message'] == 'Not a lambda message'41def test_can_parse_short_id():42    log_message = message(43        'Log Message',44        '2017/04/28/[$LATEST]fc219a0d613b40e9b5c58e6b8fd2320c'45    )46    client = mock.Mock(spec=TypedAWSClient)47    client.iter_log_events.return_value = [log_message]48    retriever = logs.LogRetriever(client, 'loggroup')49    messages = list(retriever.retrieve_logs(include_lambda_messages=False))50    assert len(messages) == 151    assert messages[0]['logShortId'] == 'fc219a'52def test_can_create_from_arn():53    retriever = logs.LogRetriever.create_from_arn(54        mock.sentinel.client,55        'arn:aws:lambda:us-east-1:123:function:my-function'56    )57    assert isinstance(retriever, logs.LogRetriever)58def test_can_display_logs():59    retriever = mock.Mock(spec=logs.LogRetriever)60    retriever.retrieve_logs.return_value = [61        {'timestamp': 'NOW', 'logShortId': 'shortId', 'message': 'One'},62        {'timestamp': 'NOW', 'logShortId': 'shortId', 'message': 'Two'},63        {'timestamp': 'NOW', 'logShortId': 'shortId', 'message': 'Three'},...

test_logs.py

Source:test_logs.py

...11    client = mock.Mock(spec=TypedAWSClient)12    log_message = message('first')13    client.iter_log_events.return_value = [log_message]14    retriever = logs.LogRetriever(client, 'loggroup')15    messages = list(retriever.retrieve_logs())16    expected = log_message.copy()17    # We also inject a logShortId.18    expected['logShortId'] = 'logStreamName'19    assert messages == [expected]20def test_can_support_max_entries():21    client = mock.Mock(spec=TypedAWSClient)22    client.iter_log_events.return_value = [message('first'), message('second')]23    retriever = logs.LogRetriever(client, 'loggroup')24    messages = list(retriever.retrieve_logs(max_entries=1))25    assert len(messages) == 126    assert messages[0]['message'] == 'first'27def test_can_exclude_lambda_messages():28    client = mock.Mock(spec=TypedAWSClient)29    client.iter_log_events.return_value = [30        message('START RequestId: id Version: $LATEST'),31        message('END RequestId: id'),32        message('REPORT RequestId: id Duration: 0.42 ms   '33                'Billed Duration: 100 ms     '34                'Memory Size: 128 MB Max Memory Used: 19 MB'),35        message('Not a lambda message'),36    ]37    retriever = logs.LogRetriever(client, 'loggroup')38    messages = list(retriever.retrieve_logs(include_lambda_messages=False))39    assert len(messages) == 140    assert messages[0]['message'] == 'Not a lambda message'41def test_can_parse_short_id():42    log_message = message(43        'Log Message',44        '2017/04/28/[$LATEST]fc219a0d613b40e9b5c58e6b8fd2320c'45    )46    client = mock.Mock(spec=TypedAWSClient)47    client.iter_log_events.return_value = [log_message]48    retriever = logs.LogRetriever(client, 'loggroup')49    messages = list(retriever.retrieve_logs(include_lambda_messages=False))50    assert len(messages) == 151    assert messages[0]['logShortId'] == 'fc219a'52def test_can_create_from_arn():53    retriever = logs.LogRetriever.create_from_arn(54        mock.sentinel.client,55        'arn:aws:lambda:us-east-1:123:function:my-function'56    )57    assert isinstance(retriever, logs.LogRetriever)58def test_can_display_logs():59    retriever = mock.Mock(spec=logs.LogRetriever)60    retriever.retrieve_logs.return_value = [61        {'timestamp': 'NOW', 'logShortId': 'shortId', 'message': 'One'},62        {'timestamp': 'NOW', 'logShortId': 'shortId', 'message': 'Two'},63        {'timestamp': 'NOW', 'logShortId': 'shortId', 'message': 'Three'},...

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