func resource_aws_db_security_group_retrieve(id string, conn *rds.Rds) (*rds.DBSecurityGroup, error) {
	opts := rds.DescribeDBSecurityGroups{
		DBSecurityGroupName: id,
	}

	log.Printf("[DEBUG] DB Security Group describe configuration: %#v", opts)

	resp, err := conn.DescribeDBSecurityGroups(&opts)

	if err != nil {
		return nil, fmt.Errorf("Error retrieving DB Security Groups: %s", err)
	}

	if len(resp.DBSecurityGroups) != 1 ||
		resp.DBSecurityGroups[0].Name != id {
		if err != nil {
			return nil, fmt.Errorf("Unable to find DB Security Group: %#v", resp.DBSecurityGroups)
		}
	}

	v := resp.DBSecurityGroups[0]

	return &v, nil
}