ashb commented on a change in pull request #21740:
URL: https://github.com/apache/airflow/pull/21740#discussion_r813103315
##########
File path: airflow/www/utils.py
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@@ -53,10 +56,82 @@ def datetime_to_string(value: Optional[DateTime]) ->
Optional[str]:
return value.isoformat()
-def encode_ti(task_instance: Optional[models.TaskInstance]) ->
Optional[Dict[str, Any]]:
+def get_mapped_instances(task_instance, session):
+ return (
+ session.query(TaskInstance)
+ .filter(
+ TaskInstance.dag_id == task_instance.dag_id,
+ TaskInstance.run_id == task_instance.run_id,
+ TaskInstance.task_id == task_instance.task_id,
+ TaskInstance.map_index >= 0,
+ )
+ .all()
+ )
+
+
+def get_instance_with_map(task_instance, session):
+ if task_instance.map_index == -1:
+ return alchemy_to_dict(task_instance)
+ mapped_instances = get_mapped_instances(task_instance, session)
+ return get_mapped_summary(task_instance, mapped_instances)
+
+
+def get_mapped_summary(parent_instance, task_instances):
+ priority = [
+ 'failed',
+ 'upstream_failed',
+ 'up_for_retry',
+ 'up_for_reschedule',
+ 'queued',
+ 'scheduled',
+ 'deferred',
+ 'sensing',
+ 'running',
+ 'shutdown',
+ 'restarting',
+ 'removed',
+ 'no_status',
+ 'success',
+ 'skipped',
+ ]
Review comment:
These should probably be TaskInstanceState.FAILED etc.
(which when treated like strings will give you the same value you have, with
the exception of None/"no_status".
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