46 строки
1.6 KiB
Python
46 строки
1.6 KiB
Python
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""
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This dag only runs some simple tasks to test Airflow's task execution.
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"""
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from datetime import datetime, timedelta
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from airflow.models.dag import DAG
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from airflow.operators.dummy_operator import DummyOperator
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from airflow.utils.dates import days_ago
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now = datetime.now()
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now_to_the_hour = (
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now - timedelta(0, 0, 0, 0, 0, 3)
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).replace(minute=0, second=0, microsecond=0)
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START_DATE = now_to_the_hour
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DAG_NAME = 'test_dag_v1'
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default_args = {
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'owner': 'airflow',
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'depends_on_past': True,
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'start_date': days_ago(2)
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}
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dag = DAG(DAG_NAME, schedule_interval='*/10 * * * *', default_args=default_args)
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run_this_1 = DummyOperator(task_id='run_this_1', dag=dag)
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run_this_2 = DummyOperator(task_id='run_this_2', dag=dag)
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run_this_2.set_upstream(run_this_1)
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run_this_3 = DummyOperator(task_id='run_this_3', dag=dag)
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run_this_3.set_upstream(run_this_2)
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