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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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