Source code for airflow.example_dags.example_subdag_operator

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
"""Example DAG demonstrating the usage of the SubDagOperator."""

from __future__ import annotations

# [START example_subdag_operator]
import datetime

from airflow.example_dags.subdags.subdag import subdag
from airflow.models.dag import DAG
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]

Was this entry helpful?