airflow example_trigger_controller_dag 源码
airflow example_trigger_controller_dag 代码
文件路径：/airflow/example_dags/example_trigger_controller_dag.py
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"""
Example usage of the TriggerDagRunOperator. This example holds 2 DAGs:
1. 1st DAG (example_trigger_controller_dag) holds a TriggerDagRunOperator, which will trigger the 2nd DAG
2. 2nd DAG (example_trigger_target_dag) which will be triggered by the TriggerDagRunOperator in the 1st DAG
"""
from __future__ import annotations
import pendulum
from airflow import DAG
from airflow.operators.trigger_dagrun import TriggerDagRunOperator
with DAG(
dag_id="example_trigger_controller_dag",
start_date=pendulum.datetime(2021, 1, 1, tz="UTC"),
catchup=False,
schedule="@once",
tags=['example'],
) as dag:
trigger = TriggerDagRunOperator(
task_id="test_trigger_dagrun",
trigger_dag_id="example_trigger_target_dag", # Ensure this equals the dag_id of the DAG to trigger
conf={"message": "Hello World"},
)
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