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feat(anthropic): support user_id metadata tag #13790

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feat(anthropic): support user_id metadata tag #13790

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371f78f
feat(anthropic): support user_id metadata tag
emhagman Jun 26, 2025
6361d7d
chore: add release note
emhagman Jun 26, 2025
28ec61e
Update releasenotes/notes/add-userid-tag-anthropic-b842a8cbe209c5f1.yaml
emhagman Jun 30, 2025
ece144b
Merge branch 'main' into eric/anthropic-user-id-tag
emhagman Jul 1, 2025
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4 changes: 4 additions & 0 deletions ddtrace/contrib/internal/anthropic/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,10 @@ def tag_params_on_span(span, kwargs, integration):
for k, v in kwargs.items():
if k == "system" and integration.is_pc_sampled_span(span):
span.set_tag_str("anthropic.request.system", integration.trunc(str(v)))
elif k == "metadata" and isinstance(v, dict):
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@emhagman emhagman Jun 26, 2025 •
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This does remove it from anthropic.request.params, not sure if we should include it for legacy reasons in case anyone was using string matching here in their traces (@anthropic.request.params:"...") or if it's OK to change this.

user_id = _get_attr(v, "user_id", None)
if user_id:
span.set_tag_str("anthropic.request.user_id", str(user_id))
elif k not in ("messages", "model"):
tagged_params[k] = v
span.set_tag_str("anthropic.request.parameters", safe_json(tagged_params))
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4 changes: 4 additions & 0 deletions releasenotes/notes/add-userid-tag-anthropic-b842a8cbe209c5f1.yaml
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@@ -0,0 +1,4 @@
---
features:
- |
tracing: Add ``anthropic.request.user_id`` tag to Anthropic spans from ``metadata.user_id`` parameter.
16 changes: 16 additions & 0 deletions tests/contrib/anthropic/test_anthropic.py
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Expand Up @@ -38,6 +38,22 @@ def test_global_tags(ddtrace_config_anthropic, anthropic, request_vcr, mock_trac
assert span.get_tag("anthropic.request.api_key") == "sk-...key>"


def test_user_id_tag(ddtrace_config_anthropic, anthropic, request_vcr, mock_tracer):
llm = anthropic.Anthropic()
with override_global_config(dict(service="test-svc", env="staging", version="1234")):
cassette_name = "anthropic_completion.yaml"
with request_vcr.use_cassette(cassette_name):
llm.messages.create(
model="claude-3-opus-20240229",
max_tokens=15,
messages=[{"role": "user", "content": "What does Nietzsche mean by 'God is dead'?"}],
metadata={"user_id": "1234567890"},
)

span = mock_tracer.pop_traces()[0][0]
assert span.get_tag("anthropic.request.user_id") == "1234567890"


@pytest.mark.snapshot(token="tests.contrib.anthropic.test_anthropic.test_anthropic_llm", ignores=["resource"])
def test_anthropic_llm_sync_create(anthropic, request_vcr):
llm = anthropic.Anthropic()
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