# File lib/fog/compute/ecloud/requests/virtual_machine_copy_identical.rb, line 5
        def validate_create_server_options_identical(template_uri, options)
          required_opts = [:name, :row, :group, :source]
          unless required_opts.all? { |opt| options.key?(opt) }
            raise ArgumentError.new("Required data missing: #{(required_opts - options.keys).map(&:inspect).join(", ")}")
          end

          options
        end