We shall discuss that approach in detail in the SFTP section.Ĭopy and paste the code from here – FTP through Lambda Environment Variables So, we need to have a different approach for packaging our Python code. Note – In case of SFTP, we would require external package. Select Code Entry type as “Edit Code inline”. For FTP, we would just require the “ftplib” package, which comes as default with python 2.7, we don’t need any extra package. Under “Configure Functions”, give the relevant name and description. In this example, I have selected it as “Object Created (All)”, which would trigger the Lambda function, for any file, which is dropped into that bucket, in anyway. While configuring the trigger, select the Source Bucket, which we created in the first step. Set the event type as required.
Click on highlighted area and then choose, “S3 Bucket” To create a Lambda function, click on “Create Lambda Function” in the below screen. The AWS management console is very user friendly and all the help required are given in their own documentation. Just create an account in AWS and search for S3/Lambda/EC2. If you are new to AWS, don’t get concerned with all these new terminologies. Now, let us proceed to create a Lambda function. I setup two buckets, one for source (where a file will be dropped), another for destination (where the file will be moved to – after performing FTP) Steps to setup an FTP host in Amazon EC2 Linux instance is given here I will explain the reason, in the further sections. That turned out to be a good choice, for testing. So, I setup my FTP host in the EC2 instance, for testing purpose. I regularly use Amazon EC2 Linux instance for my Machine Learning exercises. To understand how lambda works, it is better to start with FTP, rather than to start directly with SFTP. FTPįor doing simple FTP, all we need is IP, Username and Password. I tried to consolidate all my learning in this blog, so that you don’t need to redo the research, I had done.
Being new to Lambda, I had to explore information from various links, to get the work done. Recently, I had to work on a Lambda function, to do an FTP/SFTP, as and when a file is dropped in an S3 bucket.
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