Support record filtering for AWS WAF logging configuration

[foxylion]

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Description

AWS WAF v2 supports to filter logs.

Log filtering – You can add filtering to specify which web requests are kept in the logs and which are dropped. You can filter on the rule action and on the web request labels that were applied during the request evaluation. For information about rule action settings, see AWS WAF rule action. For information about labels, see AWS WAF labels on web requests.
see AWS docs

This allows reduction of logs that will be forwarded to Kinesis Firehose. Currently it is not possible to configure this behavior using Terraform.

New or Affected Resource(s)

• wafv2_web_acl_logging_configuration

Potential Terraform Configuration

The syntax is inspired by AWS API documentation for PutLoggingConfiguration.

resource "aws_wafv2_web_acl_logging_configuration" "example" {
  log_destination_configs = [aws_kinesis_firehose_delivery_stream.example.arn]
  resource_arn            = aws_wafv2_web_acl.example.arn
  filters {
    default_behavior = "DROP" # or "KEEP"
    filter {
      behavior = "KEEP" # or "DROP"
      requirement = "MEETS_ALL" # or "MEETS_ANY"
      conditions {
        action {
            action = "COUNT" # or "ALLOW" or "BLOCK"
        }
        label_name {
            label_name = "some-label-name"
        }
      }
    }
    filter {
      #...
    }
  }
}

References

• AWS developer documentation for AWS WAF logging
• AWS API documentation for PutLoggingConfiguration
• AWS Go SDK reference: PutLoggingConfiguration API operation and LoggingConfiguration type
• current documentation for wafv2_web_acl_logging_configuration
• current implementation in terraform-provider-aws

[ghost]

This has been released in version 3.38.0 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 for triage. Thanks!

[foxylion]

Awesome! Thank you @anGie44 for adding this functionality so quickly.

[github-actions]

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