55 строки
1.6 KiB
Python
55 строки
1.6 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import airflow
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from airflow.operators.dummy_operator import DummyOperator
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from airflow.models import DAG
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from airflow.exceptions import AirflowSkipException
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args = {
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'owner': 'airflow',
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'start_date': airflow.utils.dates.days_ago(2)
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}
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# Create some placeholder operators
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class DummySkipOperator(DummyOperator):
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ui_color = '#e8b7e4'
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def execute(self, context):
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raise AirflowSkipException
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dag = DAG(dag_id='example_skip_dag', default_args=args)
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def create_test_pipeline(suffix, trigger_rule, dag):
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skip_operator = DummySkipOperator(task_id='skip_operator_{}'.format(suffix), dag=dag)
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always_true = DummyOperator(task_id='always_true_{}'.format(suffix), dag=dag)
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join = DummyOperator(task_id=trigger_rule, dag=dag, trigger_rule=trigger_rule)
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join.set_upstream(skip_operator)
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join.set_upstream(always_true)
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final = DummyOperator(task_id='final_{}'.format(suffix), dag=dag)
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final.set_upstream(join)
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create_test_pipeline('1', 'all_success', dag)
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create_test_pipeline('2', 'one_success', dag)
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