Taylor Murphy created AIRFLOW-637:
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Summary: Operators in Subdags don't have their associated DagRun
in the context
Key: AIRFLOW-637
URL: https://issues.apache.org/jira/browse/AIRFLOW-637
Project: Apache Airflow
Issue Type: Bug
Components: DagRun, operators, subdag
Reporter: Taylor Murphy
Priority: Minor
Currently in models.get_template_context a dag's associated DagRun and run_id
(populated from the dag_run) are both found by querying the data base for the
dag_id (L1176). Since subdags don't have a dag run in the db, the dagrun and
run_id will be set to None. By looking up the run in the db by the name of the
parent dag (which will always be the first part of the dag_id when split by
'.', we can return the current dag run object for the parent dag, and populate
the run_id accordingly.
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