41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
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import os
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from datetime import timedelta
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import pendulum
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from airflow.decorators import dag
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from airflow.decorators import task
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from airflow.providers.amazon.aws.hooks.s3 import S3Hook
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S3_CONN_ID = os.getenv("S3_CONN_ID", "s3_conn")
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EXECUTION_TIMEOUT = int(os.getenv("EXECUTION_TIMEOUT", 6))
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default_args = {
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"execution_timeout": timedelta(hours=EXECUTION_TIMEOUT),
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"retries": int(os.getenv("DEFAULT_TASK_RETRIES", 1)),
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"retry_delay": timedelta(seconds=int(os.getenv("DEFAULT_RETRY_DELAY_SECONDS", 60))),
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}
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@dag(
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start_date=pendulum.datetime(2021, 1, 1, tz="UTC"),
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schedule=None,
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catchup=False,
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default_args=default_args,
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params={
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"prefix": "Key prefix of files to delete",
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"bucket": "bucket containing files to delete",
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},
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tags=["s3"],
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)
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def s3_delete():
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@task
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def delete(**context):
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hook = S3Hook(S3_CONN_ID, transfer_config_args={'use_threads': False})
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keys = hook.list_keys(bucket_name=context["params"]["bucket"], prefix=context["params"]["prefix"])
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hook.delete_objects(bucket=context["params"]["src_bucket"], keys=keys)
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delete()
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s3_delete()
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