import json import boto3 from botocore.exceptions import ClientError from aws_lambda_powertools.utilities.data_classes import ( APIGatewayProxyEventV2, event_source, ) from aws_lambda_powertools.logging import correlation_paths from aws_lambda_powertools import Logger from aws_lambda_powertools.event_handler import APIGatewayHttpResolver, content_types from aws_lambda_powertools.utilities.typing import LambdaContext from aws_lambda_powertools.event_handler.exceptions import ( BadRequestError, InternalServerError, NotFoundError, ) from aws_lambda_powertools.event_handler.api_gateway import Response logger = Logger() app = APIGatewayHttpResolver() dynamo = boto3.resource("dynamodb") @logger.inject_lambda_context(correlation_id_path=correlation_paths.API_GATEWAY_HTTP) @event_source(data_class=APIGatewayProxyEventV2) def lambda_handler(event: APIGatewayProxyEventV2, context: LambdaContext): return app.resolve(event, context) @app.get("/my/path") def get_hello_universe(): table = dynamo.Table("non-existent") table.get_item( Key={ "pk": "abc", "sk": "123", }, ) return {"message": "hello universe"} @app.exception_handler(ClientError) def handle_botocore_error(ex: ClientError): metadata = {"path": app.current_event.path} logger.error(f"Exception: {ex}", extra=metadata) # return Response( # status_code=400, # content_type=content_types.APPLICATION_JSON, # body=json.dumps({"statusCode": 400, "message": "Bad request"}), # ) raise BadRequestError("something bad happened")

START RequestId: 846da9eb-f64a-41e7-90cf-293386069384 Version: $LATEST {"level":"ERROR","location":"handle_botocore_error:45","message":"Exception: An error occurred (AccessDeniedException) when calling the GetItem operation: User: arn:aws:sts::373270804851:assumed-role/test-role-hg1im76s/test is not authorized to perform: dynamodb:GetItem on resource: arn:aws:dynamodb:eu-central-1:373270804851:table/non-existent","timestamp":"2022-04-25 17:21:59,753+0000","service":"service_undefined","cold_start":true,"function_name":"test","function_memory_size":"128","function_arn":"arn:aws:lambda:eu-central-1:373270804851:function:test","function_request_id":"846da9eb-f64a-41e7-90cf-293386069384","correlation_id":"id","path":"/my/path","xray_trace_id":"1-6266d8b6-7c8a3e216f62498e0331a61a"} [ERROR] BadRequestError: something bad happened Traceback (most recent call last):   File "/opt/python/aws_lambda_powertools/logging/logger.py", line 354, in decorate     return lambda_handler(event, context)   File "/opt/python/aws_lambda_powertools/middleware_factory/factory.py", line 134, in wrapper     response = middleware()   File "/opt/python/aws_lambda_powertools/utilities/data_classes/event_source.py", line 39, in event_source     return handler(data_class(event), context)   File "/var/task/lambda_function.py", line 28, in lambda_handler     return app.resolve(event, context)   File "/opt/python/aws_lambda_powertools/event_handler/api_gateway.py", line 498, in resolve     return self._resolve().build(self.current_event, self._cors)   File "/opt/python/aws_lambda_powertools/event_handler/api_gateway.py", line 557, in _resolve     return self._call_route(route, match_results.groupdict()) # pass fn args   File "/opt/python/aws_lambda_powertools/event_handler/api_gateway.py", line 613, in _call_route     response_builder = self._call_exception_handler(exc, route)   File "/opt/python/aws_lambda_powertools/event_handler/api_gateway.py", line 654, in _call_exception_handler     return ResponseBuilder(handler(exp), route)   File "/var/task/lambda_function.py", line 52, in handle_botocore_error     raise BadRequestError("something bad happened")END RequestId: 846da9eb-f64a-41e7-90cf-293386069384 REPORT RequestId: 846da9eb-f64a-41e7-90cf-293386069384Duration: 344.21 msBilled Duration: 345 msMemory Size: 128 MBMax Memory Used: 67 MBInit Duration: 630.48 ms