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S3keysensor example
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| from airflow.sensors.s3_key_sensor import S3KeySensor | |
| from datetime import datetime, timedelta | |
| from airflow import DAG | |
| from airflow.operators.dummy_operator import DummyOperator | |
| from airflow.utils.dates import days_ago | |
| default_args = { | |
| 'owner': 'airflow', | |
| 'start_date': days_ago(1), | |
| 'email_on_failure': True, | |
| 'email_on_retry': False, | |
| 'retries': 2, | |
| 'retry_delay': timedelta(minutes=5), | |
| 'execution_timeout': timedelta(hours=3), | |
| 'depends_on_past': False | |
| } | |
| dag = DAG( | |
| 's3_test', | |
| start_date=days_ago(1), | |
| max_active_runs=1, | |
| schedule_interval='* 8 * * *', | |
| default_args=default_args, | |
| catchup=False | |
| ) | |
| start = DummyOperator( | |
| dag=dag, | |
| task_id='start' | |
| ) | |
| s3_key = S3KeySensor( | |
| task_id='s3_key', | |
| bucket_key='/test/test_2021.csv', | |
| aws_conn_id='aws_test', | |
| poke_interval=0, | |
| timeout=10, | |
| soft_fail=True, | |
| bucket_name='dp-external-repository', | |
| verify=False) | |
| end = DummyOperator( | |
| dag=dag, | |
| task_id='end' | |
| ) | |
| start >> s3_key >> end |
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