ashb commented on a change in pull request #5339: [AIRFLOW-3160] (Unrevert)
Load latest_dagruns asynchronously
URL: https://github.com/apache/airflow/pull/5339#discussion_r289061014
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File path: airflow/www/views.py
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@@ -403,6 +403,33 @@ def task_stats(self, session=None):
})
return wwwutils.json_response(payload)
+ @expose('/last_dagruns')
+ @has_access
+ @provide_session
+ def last_dagruns(self, session=None):
+ DagRun = models.DagRun
+
+ filter_dag_ids = appbuilder.sm.get_accessible_dag_ids()
+
+ if not filter_dag_ids:
+ return
+
+ dags_to_latest_runs = dict(session.query(
+ DagRun.dag_id,
sqla.func.max(DagRun.execution_date).label('execution_date'))
+ .group_by(DagRun.dag_id).all())
+
+ payload = {}
+ for dag in dagbag.dags.values():
+ dag_accessible = 'all_dags' in filter_dag_ids or dag.dag_id in
filter_dag_ids
+ if (dag_accessible and dag.dag_id in dags_to_latest_runs and
+ dags_to_latest_runs[dag.dag_id]):
+ payload[dag.safe_dag_id] = {
+ 'dag_id': dag.dag_id,
+ 'last_run':
dags_to_latest_runs[dag.dag_id].strftime("%Y-%m-%d %H:%M")
Review comment:
This should probably be `.isoformat()`? (or at least include seconds and MS)
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