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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/09/27 22:15:01 UTC
[GitHub] [airflow] enriqueayala opened a new issue #18559: dag_run.start_date not available from SubDag
enriqueayala opened a new issue #18559:
URL: https://github.com/apache/airflow/issues/18559
### Apache Airflow version
2.1.4 (latest released)
### Operating System
Ubuntu 20.04
### Versions of Apache Airflow Providers
_No response_
### Deployment
Virtualenv installation
### Deployment details
_No response_
### What happened
Access to dag_run.start_date attribute from subdag returns `None`.
### What you expected to happen
Return DagRun.start_date of parent_dag (working on 2.1.0)
### How to reproduce
Modify example_dags\subdags\subdag.py to :
```
from airflow import DAG
from airflow.operators.bash import BashOperator
from airflow.utils.dates import days_ago
def subdag(parent_dag_name, child_dag_name, args):
with DAG(
dag_id=f'{parent_dag_name}.{child_dag_name}',
default_args=args,
start_date=days_ago(2),
schedule_interval="@daily",
) as dag_subdag:
t1 = BashOperator(
task_id='echo_execution_date',
bash_command='echo "{{dag_run.execution_date}}"',
)
t2 = BashOperator(
task_id='echo_start_date',
bash_command='echo "{{dag_run.start_date}}"',
)
t1 >> t2
return dag_subdag
```
### Anything else
It also occurs within a task through context.
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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[GitHub] [airflow] bhavaniravi commented on issue #18559: dag_run.start_date not available from SubDag
Posted by GitBox <gi...@apache.org>.
bhavaniravi commented on issue #18559:
URL: https://github.com/apache/airflow/issues/18559#issuecomment-928938563
Related to #18491
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[GitHub] [airflow] bhavaniravi commented on issue #18559: dag_run.start_date not available from SubDag
Posted by GitBox <gi...@apache.org>.
bhavaniravi commented on issue #18559:
URL: https://github.com/apache/airflow/issues/18559#issuecomment-928938563
Related to #18491
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