Define TaskInstanceKey in task-sdk to support client server separation#60776
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kaxil
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Jan 19, 2026
kaxil
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This one needs a bit more work to fix CI |
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Umm this databricks failure will need some ground work, its using the old signature to support AF2 |
kaxil
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High lgtm but do have some questions
amoghrajesh
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cc: @atul-astronomer no targetted testing needed but compat is enough |
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Was generative AI tooling used to co-author this PR?
Defining
TaskInstanceKeyin task-sdk as exposing it as a part of the SDK public API. This enables providers to useTaskInstanceKeywithout depending on airflow-core models (older path).For context,
TaskInstanceKeyprovides task information(dag_id, task_id, run_id, map_index, try_number)which is used now for:Why not follow this comment: https://github.com/apache/airflow/blob/main/airflow-core/src/airflow/executors/workloads.py#L77 and actually do it? There are a few blockers to that.
TaskInstanceKeystill remains as the interface for public APIs and provider contracts due to backcompat (airflow 2.x doesn't haveuuid)Whats next?