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How to use get_lambda_log_events method in localstack

Best Python code snippet using localstack_python

test_lambda_integration.py

Source:test_lambda_integration.py

...105            {"id": short_uid(), "data": "data1"},106            {"id": short_uid(), "data": "data2"},107        ]108        table.put_item(Item=items[0])109        events = get_lambda_log_events(function_name)110        # lambda was invoked 1 time111        self.assertEqual(1, len(events[0]["Records"]))112        # disable event source mapping113        lambda_client.update_event_source_mapping(UUID=uuid, Enabled=False)114        table.put_item(Item=items[1])115        events = get_lambda_log_events(function_name)116        # lambda no longer invoked, still have 1 event117        self.assertEqual(1, len(events[0]["Records"]))118        # clean up119        dynamodb_client = aws_stack.create_external_boto_client("dynamodb")120        dynamodb_client.delete_table(TableName=ddb_table)121        lambda_client.delete_function(FunctionName=function_name)122    def test_deletion_event_source_mapping_with_dynamodb(self):123        function_name = "lambda_func-{}".format(short_uid())124        ddb_table = "ddb_table-{}".format(short_uid())125        testutil.create_lambda_function(126            handler_file=TEST_LAMBDA_PYTHON_ECHO,127            func_name=function_name,128            runtime=LAMBDA_RUNTIME_PYTHON36,129        )130        table_arn = aws_stack.create_dynamodb_table(ddb_table, partition_key="id")[131            "TableDescription"132        ]["TableArn"]133        lambda_client = aws_stack.create_external_boto_client("lambda")134        lambda_client.create_event_source_mapping(135            FunctionName=function_name, EventSourceArn=table_arn136        )137        dynamodb_client = aws_stack.create_external_boto_client("dynamodb")138        dynamodb_client.delete_table(TableName=ddb_table)139        result = lambda_client.list_event_source_mappings(EventSourceArn=table_arn)140        self.assertEqual(0, len(result["EventSourceMappings"]))141        # clean up142        lambda_client.delete_function(FunctionName=function_name)143    def test_event_source_mapping_with_sqs(self):144        lambda_client = aws_stack.create_external_boto_client("lambda")145        sqs_client = aws_stack.create_external_boto_client("sqs")146        function_name = "lambda_func-{}".format(short_uid())147        queue_name_1 = "queue-{}-1".format(short_uid())148        testutil.create_lambda_function(149            handler_file=TEST_LAMBDA_PYTHON_ECHO,150            func_name=function_name,151            runtime=LAMBDA_RUNTIME_PYTHON36,152        )153        queue_url_1 = sqs_client.create_queue(QueueName=queue_name_1)["QueueUrl"]154        queue_arn_1 = aws_stack.sqs_queue_arn(queue_name_1)155        lambda_client.create_event_source_mapping(156            EventSourceArn=queue_arn_1, FunctionName=function_name157        )158        sqs_client.send_message(QueueUrl=queue_url_1, MessageBody=json.dumps({"foo": "bar"}))159        events = retry(get_lambda_log_events, sleep_before=3, function_name=function_name)160        # lambda was invoked 1 time161        self.assertEqual(1, len(events[0]["Records"]))162        rs = sqs_client.receive_message(QueueUrl=queue_url_1)163        self.assertIsNone(rs.get("Messages"))164        # clean up165        sqs_client.delete_queue(QueueUrl=queue_url_1)166        lambda_client.delete_function(FunctionName=function_name)167    def test_create_kinesis_event_source_mapping(self):168        function_name = f"lambda_func-{short_uid()}"169        stream_name = f"test-foobar-{short_uid()}"170        testutil.create_lambda_function(171            handler_file=TEST_LAMBDA_PYTHON_ECHO,172            func_name=function_name,173            runtime=LAMBDA_RUNTIME_PYTHON36,174        )175        arn = aws_stack.kinesis_stream_arn(stream_name, account_id="000000000000")176        lambda_client = aws_stack.create_external_boto_client("lambda")177        lambda_client.create_event_source_mapping(EventSourceArn=arn, FunctionName=function_name)178        def process_records(record):179            assert record180        aws_stack.create_kinesis_stream(stream_name, delete=True)181        kinesis_connector.listen_to_kinesis(182            stream_name=stream_name,183            listener_func=process_records,184            wait_until_started=True,185        )186        kinesis = aws_stack.create_external_boto_client("kinesis")187        stream_summary = kinesis.describe_stream_summary(StreamName=stream_name)188        self.assertEqual(1, stream_summary["StreamDescriptionSummary"]["OpenShardCount"])189        num_events_kinesis = 10190        kinesis.put_records(191            Records=[192                {"Data": "{}", "PartitionKey": "test_%s" % i} for i in range(0, num_events_kinesis)193            ],194            StreamName=stream_name,195        )196        events = get_lambda_log_events(function_name)197        self.assertEqual(10, len(events[0]["Records"]))198        self.assertIn("eventID", events[0]["Records"][0])199        self.assertIn("eventSourceARN", events[0]["Records"][0])200        self.assertIn("eventSource", events[0]["Records"][0])201        self.assertIn("eventVersion", events[0]["Records"][0])202        self.assertIn("eventName", events[0]["Records"][0])203        self.assertIn("invokeIdentityArn", events[0]["Records"][0])204        self.assertIn("awsRegion", events[0]["Records"][0])205        self.assertIn("kinesis", events[0]["Records"][0])206    def test_python_lambda_subscribe_sns_topic(self):207        sns_client = aws_stack.create_external_boto_client("sns")208        function_name = "{}-{}".format(TEST_LAMBDA_FUNCTION_PREFIX, short_uid())209        testutil.create_lambda_function(210            handler_file=TEST_LAMBDA_PYTHON_ECHO,211            func_name=function_name,212            runtime=LAMBDA_RUNTIME_PYTHON36,213        )214        topic = sns_client.create_topic(Name=TEST_SNS_TOPIC_NAME)215        topic_arn = topic["TopicArn"]216        sns_client.subscribe(217            TopicArn=topic_arn,218            Protocol="lambda",219            Endpoint=lambda_api.func_arn(function_name),220        )221        subject = "[Subject] Test subject"222        message = "Hello world."223        sns_client.publish(TopicArn=topic_arn, Subject=subject, Message=message)224        events = retry(225            check_expected_lambda_log_events_length,226            retries=3,227            sleep=1,228            function_name=function_name,229            expected_length=1,230            regex_filter="Records.*Sns",231        )232        notification = events[0]["Records"][0]["Sns"]233        self.assertIn("Subject", notification)234        self.assertEqual(subject, notification["Subject"])235class TestLambdaHttpInvocation(unittest.TestCase):236    def test_http_invocation_with_apigw_proxy(self):237        lambda_name = "test_lambda_%s" % short_uid()238        lambda_resource = "/api/v1/{proxy+}"239        lambda_path = "/api/v1/hello/world"240        lambda_request_context_path = "/" + TEST_STAGE_NAME + lambda_path241        lambda_request_context_resource_path = lambda_resource242        # create lambda function243        testutil.create_lambda_function(244            handler_file=TEST_LAMBDA_PYTHON,245            libs=TEST_LAMBDA_LIBS,246            func_name=lambda_name,247        )248        # create API Gateway and connect it to the Lambda proxy backend249        lambda_uri = aws_stack.lambda_function_arn(lambda_name)250        invocation_uri = "arn:aws:apigateway:%s:lambda:path/2015-03-31/functions/%s/invocations"251        target_uri = invocation_uri % (aws_stack.get_region(), lambda_uri)252        result = testutil.connect_api_gateway_to_http_with_lambda_proxy(253            "test_gateway2",254            target_uri,255            path=lambda_resource,256            stage_name=TEST_STAGE_NAME,257        )258        api_id = result["id"]259        url = path_based_url(api_id=api_id, stage_name=TEST_STAGE_NAME, path=lambda_path)260        result = safe_requests.post(261            url, data=b"{}", headers={"User-Agent": "python-requests/testing"}262        )263        content = json.loads(result.content)264        self.assertEqual(lambda_path, content["path"])265        self.assertEqual(lambda_resource, content["resource"])266        self.assertEqual(lambda_request_context_path, content["requestContext"]["path"])267        self.assertEqual(268            lambda_request_context_resource_path,269            content["requestContext"]["resourcePath"],270        )271        # clean up272        testutil.delete_lambda_function(lambda_name)273class TestKinesisSource:274    @patch.object(config, "SYNCHRONOUS_KINESIS_EVENTS", False)275    def test_kinesis_lambda_parallelism(self, lambda_client, kinesis_client):276        function_name = f"lambda_func-{short_uid()}"277        stream_name = f"test-foobar-{short_uid()}"278        testutil.create_lambda_function(279            handler_file=TEST_LAMBDA_PARALLEL_FILE,280            func_name=function_name,281            runtime=LAMBDA_RUNTIME_PYTHON36,282        )283        arn = aws_stack.kinesis_stream_arn(stream_name, account_id="000000000000")284        lambda_client.create_event_source_mapping(EventSourceArn=arn, FunctionName=function_name)285        def process_records(record):286            assert record287        aws_stack.create_kinesis_stream(stream_name, delete=True)288        kinesis_connector.listen_to_kinesis(289            stream_name=stream_name,290            listener_func=process_records,291            wait_until_started=True,292        )293        kinesis = aws_stack.create_external_boto_client("kinesis")294        stream_summary = kinesis.describe_stream_summary(StreamName=stream_name)295        assert 1 == stream_summary["StreamDescriptionSummary"]["OpenShardCount"]296        num_events_kinesis = 10297        # assure async call298        start = time.perf_counter()299        kinesis.put_records(300            Records=[301                {"Data": '{"batch": 0}', "PartitionKey": "test_%s" % i}302                for i in range(0, num_events_kinesis)303            ],304            StreamName=stream_name,305        )306        assert (time.perf_counter() - start) < 1  # this should not take more than a second307        kinesis.put_records(308            Records=[309                {"Data": '{"batch": 1}', "PartitionKey": "test_%s" % i}310                for i in range(0, num_events_kinesis)311            ],312            StreamName=stream_name,313        )314        def get_events():315            events = get_lambda_log_events(function_name, regex_filter=r"event.*Records")316            assert len(events) == 2317            return events318        events = retry(get_events, retries=5)319        def assertEvent(event, batch_no):320            assert 10 == len(event["event"]["Records"])321            assert "eventID" in event["event"]["Records"][0]322            assert "eventSourceARN" in event["event"]["Records"][0]323            assert "eventSource" in event["event"]["Records"][0]324            assert "eventVersion" in event["event"]["Records"][0]325            assert "eventName" in event["event"]["Records"][0]326            assert "invokeIdentityArn" in event["event"]["Records"][0]327            assert "awsRegion" in event["event"]["Records"][0]328            assert "kinesis" in event["event"]["Records"][0]329            assert {"batch": batch_no} == json.loads(...

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