omkar-foss commented on code in PR #44220:
URL: https://github.com/apache/airflow/pull/44220#discussion_r1851898289
##########
airflow/api_fastapi/core_api/routes/public/task_instances.py:
##########
@@ -482,3 +485,88 @@ def get_mapped_task_instance_try_details(
map_index=map_index,
session=session,
)
+
+
+@task_instances_router.post(
+ "/clearTaskInstances",
+ responses=create_openapi_http_exception_doc([status.HTTP_404_NOT_FOUND]),
+)
+def post_clear_task_instances(
+ dag_id: str,
+ request: Request,
+ body: ClearTaskInstancesBody,
+ session: Annotated[Session, Depends(get_session)],
+) -> TaskInstanceReferenceCollectionResponse:
+ """Clear task instances."""
+ dag = request.app.state.dag_bag.get_dag(dag_id)
+ if not dag:
+ error_message = f"DAG {dag_id} not found"
+ raise HTTPException(status.HTTP_404_NOT_FOUND, error_message)
+
+ reset_dag_runs = body.reset_dag_runs
+ dry_run = body.dry_run
+ # We always pass dry_run here, otherwise this would try to confirm on the
terminal!
+ dag_run_id = body.dag_run_id
+ future = body.include_future
+ past = body.include_past
+ downstream = body.include_downstream
+ upstream = body.include_upstream
+
+ if dag_run_id is not None:
+ dag_run: DR | None = session.scalar(select(DR).where(DR.dag_id ==
dag_id, DR.run_id == dag_run_id))
+ if dag_run is None:
+ error_message = f"Dag Run id {dag_run_id} not found in dag
{dag_id}"
+ raise HTTPException(status.HTTP_404_NOT_FOUND, error_message)
+ body.start_date = dag_run.logical_date
+ body.end_date = dag_run.logical_date
+
+ if past:
+ body.start_date = None
+
+ if future:
+ body.end_date = None
+
+ task_ids = body.task_ids
+ if task_ids is not None:
+ task_id = [task[0] if isinstance(task, tuple) else task for task in
task_ids]
+ dag = dag.partial_subset(
+ task_ids_or_regex=task_id,
+ include_downstream=downstream,
+ include_upstream=upstream,
+ )
+
+ if len(dag.task_dict) > 1:
+ # If we had upstream/downstream etc then also include those!
+ task_ids.extend(tid for tid in dag.task_dict if tid != task_id)
+
+ task_instances = dag.clear(
+ dry_run=True,
+ task_ids=body.task_ids,
Review Comment:
Missed this! Done, thanks a lot 👍🏽
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