r39132 closed pull request #2203: [AIRFLOW-1013] Skip manage_sla check for 
@once DAGs
URL: https://github.com/apache/incubator-airflow/pull/2203
 
 
   

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diff --git a/airflow/jobs.py b/airflow/jobs.py
index 006a180ef5..b21c81daa6 100644
--- a/airflow/jobs.py
+++ b/airflow/jobs.py
@@ -592,6 +592,10 @@ def manage_slas(self, dag, session=None):
             dttm = ti.execution_date
             if task.sla:
                 dttm = dag.following_schedule(dttm)
+                # Skip tasks for @once dags
+                if not dttm and dag.schedule_interval == '@once':
+                    self.logger.warn(' --------------> SLAs not supported in 
@once DAGs')
+                    continue;
                 while dttm < datetime.now():
                     following_schedule = dag.following_schedule(dttm)
                     if following_schedule + task.sla < datetime.now():


 

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