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fix(serverless): add base_service tag for serverless #17238

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fix(serverless): add base_service tag for serverless #17238

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3eb9ef2
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zarirhamza Mar 31, 2026
a09d639
fix(serverless): use Lambda function name as default service
zarirhamza Mar 31, 2026
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6 changes: 3 additions & 3 deletions ddtrace/internal/schema/processor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,13 +9,13 @@
class BaseServiceProcessor(TraceProcessor):
def __init__(self):
self._global_service = schematize_service_name((config.service or "").lower())
self._in_aws_lambda = in_aws_lambda()
# self._in_aws_lambda = in_aws_lambda()

def process_trace(self, trace):
# AWS Lambda spans receive unhelpful base_service value of runtime
# Remove base_service to prevent service overrides in Lambda spans
if not trace or self._in_aws_lambda:
return trace
# if not trace or self._in_aws_lambda:
# return trace

traces_to_process = filter(
lambda x: x.service and x.service.lower() != self._global_service,
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2 changes: 2 additions & 0 deletions ddtrace/internal/settings/_config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -501,6 +501,8 @@ def __init__(self) -> None:

self._inferred_base_service = detect_service(sys.argv)

if self.service is None and in_aws_lambda():
self.service = _get_config("AWS_LAMBDA_FUNCTION_NAME", DEFAULT_SPAN_SERVICE_NAME)
if self.service is None and in_gcp_function():
self.service = _get_config(["K_SERVICE", "FUNCTION_NAME"], DEFAULT_SPAN_SERVICE_NAME)
if self.service is None and in_azure_function():
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