| # |
| # 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 |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| """ |
| This dag tests performance of simple bash commands executed with Airflow. |
| """ |
| from __future__ import annotations |
| |
| import datetime |
| |
| from airflow.models import DAG |
| from airflow.operators.bash_operator import BashOperator |
| |
| args = { |
| "owner": "airflow", |
| "start_date": datetime.datetime(2022, 1, 1), |
| } |
| |
| dag = DAG( |
| dag_id="perf_dag_1", |
| default_args=args, |
| schedule="@daily", |
| dagrun_timeout=datetime.timedelta(minutes=60), |
| ) |
| |
| task_1 = BashOperator( |
| task_id="perf_task_1", |
| bash_command='sleep 5; echo "run_id={{ run_id }} | dag_run={{ dag_run }}"', |
| dag=dag, |
| ) |
| |
| for i in range(2, 5): |
| task = BashOperator( |
| task_id=f"perf_task_{i}", |
| bash_command=""" |
| sleep 5; echo "run_id={{ run_id }} | dag_run={{ dag_run }}" |
| """, |
| dag=dag, |
| ) |
| task.set_upstream(task_1) |
| |
| if __name__ == "__main__": |
| dag.cli() |