OpenNebula

            :groupquotaupdate   => "groupquota.update",

            :version            => "system.version",

            :config             => "system.config"

        # Gets the oned version

        #

        # @return [String, OpenNebula::Error] the oned version in case

        #   of success, Error otherwise

        def get_oned_version()

            return @client.call("system.version")

        end

        # Returns whether of not the oned version is the same as the OCA version

        #

        # @return [true, false, OpenNebula::Error] true if oned is the same

        #   version

        def compatible_version()

            no_revision = VERSION[/^\d+\.\d+\./]

            oned_v = get_oned_version

            if OpenNebula.is_error?(oned_v)

                return oned_v

            end

            return (oned_v =~ /#{no_revision}/) != nil

        end

        # Gets the oned configuration

        #

        # @return [XMLElement, OpenNebula::Error] the oned configuration in case

        #   of success, Error otherwise

        def get_configuration()

            rc = @client.call(SYSTEM_METHODS[:config])

            if OpenNebula.is_error?(rc)

                return rc

            end

            config = XMLElement.new

            config.initialize_xml(rc, 'TEMPLATE')

            return config

        end