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https://issues.apache.org/jira/browse/AIRFLOW-637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Taylor Murphy updated AIRFLOW-637:
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Description: 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 (L1330 in . 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. (was: 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. )
> 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 (L1330 in . 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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