AWS052 - RDS encryption has not been enabled at a DB Instance level.

Encryption should be enabled for an RDS Database instances.

When enabling encryption by setting the kms_key_id.

The following example will fail the AWS052 check.

resource "aws_db_instance" "bad_example" {
	
}

The following example will pass the AWS052 check.

resource "aws_db_instance" "good_example" {
	storage_encrypted  = true
}