kacpermuda opened a new pull request, #74752:
URL: https://github.com/apache/airflow/pull/74752
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Task loops are new, and OpenLineage events need to describe them from day
one. Inside a loop the iteration of a
task was invisible: `taskInstance.map_index` is only set for mapped tasks
and the runId is the attempt UUID, so
iterations of one task looked identical, and nothing verified that runIds
stay consistent across START and
COMPLETE, retries, map indexes and iterations.
- `taskInstance` facet gets `loop_index` and `loop_max_iterations`. Loop
groups expose `max_iterations`,
`has_until`, `gate_task_id` and `terminal_task_id` in `task_group` and in
`AirflowJobFacet.taskGroups`.
- The manual state change path passes its computed position to the facet,
and `TaskInstanceInfo` no longer
raises for a stored task instance it can't place.
- `OpenLineageTestOperator` checks runId integrity by default: one job and
attempt per runId, a complete
START and COMPLETE/FAIL lifecycle, and one runId per attempt.
- New example Dags for retries, a rescheduled sensor, and loops with a plain
task, a retried loop task and a
retried mapped loop task (Airflow 3.4+).
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##### Was generative AI tooling used to co-author this PR?
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