Source code for airflow.providers.amazon.aws.transfers.s3_to_ftp

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from tempfile import NamedTemporaryFile

from airflow.models import BaseOperator
from airflow.providers.amazon.aws.hooks.s3 import S3Hook
from airflow.providers.ftp.hooks.ftp import FTPHook


[docs]class S3ToFTPOperator(BaseOperator): """ This operator enables the transferring of files from S3 to a FTP server. :param s3_bucket: The targeted s3 bucket. This is the S3 bucket from where the file is downloaded. :type s3_bucket: str :param s3_key: The targeted s3 key. This is the specified file path for downloading the file from S3. :type s3_key: str :param ftp_path: The ftp remote path. This is the specified file path for uploading file to the FTP server. :type ftp_path: str :param aws_conn_id: reference to a specific AWS connection :type aws_conn_id: str :param ftp_conn_id: The ftp connection id. The name or identifier for establishing a connection to the FTP server. :type ftp_conn_id: str """
[docs] template_fields = ('s3_bucket', 's3_key', 'ftp_path')
def __init__( self, *, s3_bucket, s3_key, ftp_path, aws_conn_id='aws_default', ftp_conn_id='ftp_default', **kwargs, ) -> None: super().__init__(**kwargs) self.s3_bucket = s3_bucket self.s3_key = s3_key self.ftp_path = ftp_path self.aws_conn_id = aws_conn_id self.ftp_conn_id = ftp_conn_id
[docs] def execute(self, context): s3_hook = S3Hook(self.aws_conn_id) ftp_hook = FTPHook(ftp_conn_id=self.ftp_conn_id) s3_obj = s3_hook.get_key(self.s3_key, self.s3_bucket) with NamedTemporaryFile() as local_tmp_file: self.log.info('Downloading file from %s', self.s3_key) s3_obj.download_fileobj(local_tmp_file) local_tmp_file.seek(0) ftp_hook.store_file(self.ftp_path, local_tmp_file.name) self.log.info('File stored in %s', {self.ftp_path})

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