incubator-airflow/scripts/perf/dags/perf_dag_2.py

46 строки
1.4 KiB
Python
Исходник Обычный вид История

# -*- coding: utf-8 -*-
#
# Licensed 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.
from airflow.operators.bash_operator import BashOperator
from airflow.models import DAG
from datetime import datetime, timedelta
five_days_ago = datetime.combine(datetime.today() - timedelta(5),
datetime.min.time())
args = {
'owner': 'airflow',
'start_date': five_days_ago,
}
dag = DAG(
dag_id='perf_dag_2', default_args=args,
schedule_interval='@daily',
dagrun_timeout=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='perf_task_{}'.format(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()