Source code for airflow.example_dags.example_subdag_operator

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"""Example DAG demonstrating the usage of the SubDagOperator."""
from __future__ import annotations

# [START example_subdag_operator]
import datetime

from airflow import DAG
from airflow.example_dags.subdags.subdag import subdag
from airflow.operators.empty import EmptyOperator
from airflow.operators.subdag import SubDagOperator

[docs]DAG_NAME = 'example_subdag_operator'
with DAG( dag_id=DAG_NAME, default_args={"retries": 2}, start_date=datetime.datetime(2022, 1, 1), schedule="@once", tags=['example'], ) as dag:
[docs] start = EmptyOperator( task_id='start',
) section_1 = SubDagOperator( task_id='section-1', subdag=subdag(DAG_NAME, 'section-1', dag.default_args), ) some_other_task = EmptyOperator( task_id='some-other-task', ) section_2 = SubDagOperator( task_id='section-2', subdag=subdag(DAG_NAME, 'section-2', dag.default_args), ) end = EmptyOperator( task_id='end', ) start >> section_1 >> some_other_task >> section_2 >> end # [END example_subdag_operator]

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