# File lib/fog/xenserver/compute.rb, line 65
        def initialize(options={})
          @host        = options[:xenserver_url]
          @username    = options[:xenserver_username]
          @password    = options[:xenserver_password]
          @defaults    = options[:xenserver_defaults] || {}
          @connection  = Fog::XenServer::Connection.new(@host)
          @connection.authenticate(@username, @password)
        end