def _on_span_generation_known(self, span: opentracing.Span) -> None:
if self._consumer:
coordinator = self._consumer._coordinator
coordinator_id = coordinator.coordinator_id
app_id = self.app.conf.id
generation = coordinator.generation
member_id = coordinator.member_id
try:
op_name = span.operation_name
set_tag = span.set_tag
except AttributeError: # pragma: no cover
pass # not a real span
else:
trace_id_str = f'reb-{app_id}-{generation}'
trace_id = murmur2(trace_id_str.encode())
span.context.trace_id = trace_id
if op_name.endswith('.REPLACE_WITH_MEMBER_ID'):
span.set_operation_name(f'rebalancing node {member_id}')
set_tag('kafka_generation', generation)
set_tag('kafka_member_id', member_id)
set_tag('kafka_coordinator_id', coordinator_id)
self.app._span_add_default_tags(span)
span._real_finish()
def _on_span_cancelled_early(self, span: opentracing.Span) -> None:
try:
op_name = span.operation_name
except AttributeError:
return
else:
span.set_operation_name(f'{op_name} (CANCELLED)')
span._real_finish()
def _transform_span_lazy(self, span: opentracing.Span) -> None:
# XXX slow
consumer = self
if typing.TYPE_CHECKING:
# MyPy completely disallows the statements below
# claiming it is an illegal dynamic baseclass.
# We know mypy, but do it anyway :D
pass
else:
cls = span.__class__
class LazySpan(cls):
def finish() -> None:
consumer._span_finish(span)
span._real_finish, span.finish = span.finish, LazySpan.finish
def _on_span_cancelled_early(self, span: opentracing.Span) -> None:
op_name = span.operation_name
span.set_operation_name(f'{op_name} (CANCELLED)')
span._real_finish()