# File lib/rds/right_rds_interface.rb, line 60
    def initialize(aws_access_key_id=nil, aws_secret_access_key=nil, params={})
      init({ :name                => 'RDS',
             :default_host        => ENV['RDS_URL'] ? URI.parse(ENV['RDS_URL']).host   : DEFAULT_HOST,
             :default_port        => ENV['RDS_URL'] ? URI.parse(ENV['RDS_URL']).port   : DEFAULT_PORT,
             :default_service     => ENV['RDS_URL'] ? URI.parse(ENV['RDS_URL']).path   : DEFAULT_PATH,
             :default_protocol    => ENV['RDS_URL'] ? URI.parse(ENV['RDS_URL']).scheme : DEFAULT_PROTOCOL,
             :default_api_version => ENV['RDS_API_VERSION'] || API_VERSION },
           aws_access_key_id     || ENV['AWS_ACCESS_KEY_ID'], 
           aws_secret_access_key || ENV['AWS_SECRET_ACCESS_KEY'], 
           params)
    end