Do not create a span when task is triggered by Celery Beat #2510
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We create a span for submitting a Celery task for execution (when
apply_async()
is called). In cases where web frameworks are callingapply_async()
this is fine, because the web framework created a transaction where the span is attached.When Celery Beat wakes up and is calling
apply_async()
this is not good, because there is no transaction and then the span ID of the newly created span will be given to the task asparent_span_id
leading to orphaned transactions.So in case
apply_async()
is called by Celery Beat, we do not create a span for submitting the task for execution.Fixes #1096