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73 lines
2.5 KiB
73 lines
2.5 KiB
# |
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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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from tempfile import NamedTemporaryFile |
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from airflow.models import BaseOperator |
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from airflow.providers.amazon.aws.hooks.s3 import S3Hook |
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from airflow.providers.ftp.hooks.ftp import FTPHook |
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from airflow.utils.decorators import apply_defaults |
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class S3ToFTPOperator(BaseOperator): |
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""" |
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This operator enables the transferring of files from S3 to a FTP server. |
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:param ftp_conn_id: The ftp connection id. The name or identifier for |
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establishing a connection to the FTP server. |
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:type ftp_conn_id: str |
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:param ftp_path: The ftp remote path. This is the specified file path for |
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uploading file to the FTP server. |
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:type ftp_path: str |
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:param s3_bucket: The targeted s3 bucket. This is the S3 bucket from |
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where the file is downloaded. |
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:type s3_bucket: str |
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:param s3_key: The targeted s3 key. This is the specified file path for |
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downloading the file from S3. |
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:type s3_key: str |
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""" |
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template_fields = ("s3_bucket", "s3_key") |
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@apply_defaults |
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def __init__( |
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self, |
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*, |
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s3_bucket, |
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s3_key, |
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ftp_path, |
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aws_conn_id="aws_default", |
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ftp_conn_id="ftp_default", |
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**kwargs, |
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) -> None: |
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super().__init__(**kwargs) |
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self.s3_bucket = s3_bucket |
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self.s3_key = s3_key |
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self.ftp_path = ftp_path |
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self.aws_conn_id = aws_conn_id |
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self.ftp_conn_id = ftp_conn_id |
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def execute(self, context): |
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s3_hook = S3Hook(self.aws_conn_id) |
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ftp_hook = FTPHook(ftp_conn_id=self.ftp_conn_id) |
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s3_obj = s3_hook.get_key(self.s3_key, self.s3_bucket) |
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with NamedTemporaryFile() as local_tmp_file: |
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s3_obj.download_fileobj(local_tmp_file) |
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ftp_hook.store_file(self.ftp_path, local_tmp_file.name)
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