span_id и trace_id

tests/logging/test_json_logging.py

@@ -3,6 +3,8 @@ import logging
 from io import StringIO
 
 import structlog
+from opentelemetry import trace
+from opentelemetry.trace import NonRecordingSpan, SpanContext, TraceFlags
 
 from app.runtime.logging import configure_logging
 
@@ -20,6 +22,8 @@ def test_application_log_is_serialized_as_json() -> None:
     assert payload["level"] == "info"
     assert payload["logger"] == "app.test"
     assert isinstance(payload["timestamp"], str)
+    assert "trace_id" not in payload
+    assert "span_id" not in payload
 
     _reset_logging()
 
@@ -75,6 +79,49 @@ def test_uvicorn_loggers_use_shared_json_logging_setup() -> None:
     _reset_logging()
 
 
+def test_active_trace_context_is_added_to_structlog_and_standard_logs() -> None:
+    stream = StringIO()
+    trace_id = 0x1234567890ABCDEF1234567890ABCDEF
+    span_id = 0x1234567890ABCDEF
+    span = NonRecordingSpan(
+        SpanContext(
+            trace_id=trace_id,
+            span_id=span_id,
+            is_remote=False,
+            trace_flags=TraceFlags.SAMPLED,
+        )
+    )
+
+    configure_logging(stream=stream)
+
+    with trace.use_span(span, end_on_exit=False):
+        structlog.get_logger("app.test").info("structured_event")
+        logging.getLogger("app.test").info("standard_event")
+
+    records = [json.loads(line) for line in stream.getvalue().splitlines()]
+    expected_trace_id = "1234567890abcdef1234567890abcdef"
+    expected_span_id = "1234567890abcdef"
+
+    assert [record["trace_id"] for record in records] == [
+        expected_trace_id,
+        expected_trace_id,
+    ]
+    assert [record["span_id"] for record in records] == [
+        expected_span_id,
+        expected_span_id,
+    ]
+    assert records[0]["event"] == (
+        f'structured_event span_id="{expected_span_id}" '
+        f'trace_id="{expected_trace_id}"'
+    )
+    assert records[1]["event"] == (
+        f'standard_event span_id="{expected_span_id}" '
+        f'trace_id="{expected_trace_id}"'
+    )
+
+    _reset_logging()
+
+
 def _reset_logging() -> None:
     structlog.reset_defaults()
     root_logger = logging.getLogger()