aws_lambda_event_source_mapping: add support for event filtering

[roberth-k]

Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for issue followers and do not help prioritize the request
• If you are interested in working on this issue or have submitted a pull request, please leave a comment

Description

Add support for the recently announced event filtering feature of Lambda event source mappings.

New or Affected Resource(s)

• aws_lambda_event_source_mapping

Potential Terraform Configuration

According to https://docs.aws.amazon.com/lambda/latest/dg/invocation-eventfiltering.html#filtering-syntax, "For filter rules, Lambda supports the same set of syntax and rules as Amazon EventBridge". As the aws_cloudwatch_event_rule resource uses a string to represent individual patterns despite the JSON syntax, the same choice is made here -- this also aligns with the underlying API.

resource "aws_lambda_event_source_mapping" "example" {
  event_source_arn = aws_sqs_queue.sqs_queue_test.arn
  function_name = aws_lambda_function.example.arn

  filter_criteria {
    filters {
      pattern = "{\"a\" : [1, 2]}"
    }
  }
}

References

• Announcement: https://aws.amazon.com/about-aws/whats-new/2021/11/aws-lambda-event-filtering-amazon-sqs-dynamodb-kinesis-sources/
• User Guide: https://docs.aws.amazon.com/lambda/latest/dg/invocation-eventfiltering.html#filtering-sqs
• Related API-s:
  • https://docs.aws.amazon.com/lambda/latest/dg/API_CreateEventSourceMapping.html#SSS-CreateEventSourceMapping-request-FilterCriteria
  • https://docs.aws.amazon.com/lambda/latest/dg/API_UpdateEventSourceMapping.html

[roberth-k]

I'll pick this up.

[roberth-k]

Implemented in #21937.

[github-actions]

This functionality has been released in v3.69.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.