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Resolve context_carrier vs parent_context_carrier #63281
Description
Body
Should we remove context_carrier from the TI model exposed to users?
Or should we add parent_context_carrier?
Or should it just now mean context carrier for the dag run span?
see thread #62554 (comment)
Committer
- I acknowledge that I am a maintainer/committer of the Apache Airflow project.
Activity
tailg8nj commentedon Jul 8, 2026
How do we intend to offer opentelmetery vendors a way to propagate information across tasks via context_carriers?
My open telemetry Distro leverages tracestate / baggage.
The task span is created from the dag run context and not from the previous task context
airflow/airflow-core/src/airflow/api_fastapi/execution_api/routes/task_instances.py
Line 568 in 83edc67
Because the dag_run.context_carrier is not exposed at the task level, I have no way to inject or propagate info to downstream tasks.
Ideally a task should be able to inject information into a context_carrier and have it be extracted for dependent tasks.