# File lib/rds/rds.rb, line 44
    def initialize(aws_access_key_id=nil, aws_secret_access_key=nil, params={})
      uri = ENV['RDS_URL'] ? URI.parse(ENV['RDS_URL']) : nil
      init({:name             => 'RDS',
            :default_host     => uri ? uri.host : DEFAULT_HOST,
            :default_port     => uri ? uri.port : DEFAULT_PORT,
            :default_service  => uri ? uri.path : DEFAULT_PATH,
            :default_protocol => uri ? uri.scheme : DEFAULT_PROTOCOL,
            :api_version      => API_VERSION},
           aws_access_key_id || ENV['AWS_ACCESS_KEY_ID'],
           aws_secret_access_key|| ENV['AWS_SECRET_ACCESS_KEY'],
           params)
    end