    # File lib/fog/go_grid/models/compute/server.rb, line 60
            def save
              raise Fog::Errors::Error.new('Resaving an existing object may create a duplicate') if identity
              requires :name, :image_id, :memory, :public_ip_address
              options = {
                'isSandbox'   => sandbox,
                'image'       => image_id
              }
              options = options.reject {|key, value| value.nil?}
              data = connection.grid_server_add(image, public_ip_address, name, memory, options)
              merge_attributes(data.body)
              true
            end