def _extract_logs(
self, span: ReadableSpan) -> Optional[Sequence[TCollector.Log]]:
"""Returns jaeger logs if events exists, otherwise None.
Args:
span: span to extract logs
"""
if not span.events:
return None
logs = []
for event in span.events:
fields = []
for key, value in event.attributes.items():
tag = _translate_attribute(key, value)
if tag:
fields.append(tag)
fields.append(
TCollector.Tag(
key="message",
vType=TCollector.TagType.STRING,
vStr=event.name,
))
event_timestamp_us = _nsec_to_usec_round(event.timestamp)
logs.append(
TCollector.Log(timestamp=int(event_timestamp_us),
fields=fields))
return logs
def _extract_logs_from_span(span):
if not span.events:
return None
logs = []
for event in span.events:
fields = _extract_tags(event.attributes)
fields.append(
jaeger.Tag(key="message",
vType=jaeger.TagType.STRING,
vStr=event.name))
event_timestamp_us = _nsec_to_usec_round(event.timestamp)
logs.append(
jaeger.Log(timestamp=int(event_timestamp_us), fields=fields))
return logs