less than 1 minute read

Sample lambda functions that run based on S3 event trigger on s3:ObjectCreated.

UPDATE

Upload objects greater than 16MB+ requires the additional event trigger of s3:ObjectCreated:CompleteMultipartUpload.

Kudus for AWS Support for helping me with the troubleshoot.

1) SNS topic with email, txt, … subscribers.

2) Create S3 event trigger with the lambda funtion as a target

s3-object-created-trigger-lambda-and-sns-notification

S3 events for:

  • s3:ObjectCreated:Put

  • s3:ObjectCreated:CompleteMultipartUpload

3) Target a lambda functions to run below logic

lambda sample code for s3 presign url

  • DISCLAIMER » Use at your own responsability. «

Sample Lambda code


UPDATE and other details

Upload objects greater than 16MB+ requires the additional event trigger of s3:ObjectCreated:CompleteMultipartUpload.

Kudus for AWS Support for helping me with the troubleshoot.

S3 events trigger for:

  • s3:ObjectCreated:Put

  • s3:ObjectCreated:CompleteMultipartUpload

Objects greater than 16MB are getting uploaded as a Multipart uploads.

Multipart upload allows us to upload a single object as a set of parts. Each part is a contiguous portion of the object’s data.

S3 bucket event s3:ObjectCreated:Put provides notification when an object is created by an HTTP PUT operation.

S3 bucket event s3:ObjectCreated:CompleteMultipartUpload provides notification for an object which was created by the completion of a S3 multi-part upload.

Documentation

Happy learning

Antonio Feijao