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fix(logger): support exception and exception_name fields at any log level #1930

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Merged
merged 3 commits into from
Feb 15, 2023
Merged

fix(logger): support exception and exception_name fields at any log level #1930

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a3d098a
fix(logger) Allow reporting entry logs with custom exception and exce…
Feb 15, 2023
c62d372
fix(logger): adding comments
leandrodamascena Feb 15, 2023
ba9b84f
fix(logger): making tests more readable
leandrodamascena Feb 15, 2023
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6 changes: 5 additions & 1 deletion aws_lambda_powertools/logging/formatter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,11 @@ def format(self, record: logging.LogRecord) -> str: # noqa: A003
"""Format logging record as structured JSON str"""
formatted_log = self._extract_log_keys(log_record=record)
formatted_log["message"] = self._extract_log_message(log_record=record)
formatted_log["exception"], formatted_log["exception_name"] = self._extract_log_exception(log_record=record)
# exception and exception_name fields can be added as extra key
# in any log level, we try to extract and use them first
extracted_exception, extracted_exception_name = self._extract_log_exception(log_record=record)
formatted_log["exception"] = formatted_log.get("exception", extracted_exception)
formatted_log["exception_name"] = formatted_log.get("exception_name", extracted_exception_name)
formatted_log["xray_trace_id"] = self._get_latest_trace_id()
formatted_log = self._strip_none_records(records=formatted_log)

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13 changes: 13 additions & 0 deletions tests/functional/test_logger.py
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Expand Up @@ -251,6 +251,19 @@ def test_logger_append_duplicated(stdout, service_name):
assert "new_value" == log["request_id"]


def test_logger_honors_given_exception_keys(stdout, service_name):
# GIVEN Logger is initialized with exception and exception_name fields
logger = Logger(service=service_name, stream=stdout)

# WHEN log level info
logger.info("log", exception="exception_value", exception_name="exception_name_value")

# THEN log statements should have these keys
log = capture_logging_output(stdout)
assert "exception_value" == log["exception"]
assert "exception_name_value" == log["exception_name"]


def test_logger_invalid_sampling_rate(service_name):
# GIVEN Logger is initialized
# WHEN sampling_rate non-numeric value
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