OpenNebula

        VIClient.get_entities(@item, "StoragePod").each do |sp|

            VIClient.get_entities(sp, "Datastore").each do |item|

                item_name = item._ref

                @items[item_name.to_sym] = Datastore.new(item)

            end

        end

    end

    def monitor

        monitor = ""

        @items.values.each do |ds|

            monitor << "VCENTER_DATASTORE=\"#{ds['name']}\"\n"

        end

        monitor