A DDL file for the data query plugins.

Query plugins can today take only one input by convention in the DDL that is called :query, otherwise the input is identical to the standard input.

metadata :name => “Agent”,

            :description => "Meta data about installed MColletive Agents",
            :author      => "R.I.Pienaar <rip@devco.net>",
            :license     => "ASL 2.0",
            :version     => "1.0",
            :url         => "http://marionette-collective.org/",
            :timeout     => 1

dataquery :description => “Agent Meta Data” do

    input :query,
          :prompt => "Agent Name",
          :description => "Valid agent name",
          :type => :string,
          :validation => /^[\w\_]+$/,
          :maxlength => 20

    [:license, :timeout, :description, :url, :version, :author].each do |item|
      output item,
             :description => "Agent #{item}",
             :display_as => item.to_s.capitalize
    end

end

    # File lib/mcollective/ddl/dataddl.rb, line 31
31:       def dataquery(input, &block)
32:         raise "Data queries need a :description" unless input.include?(:description)
33:         raise "Data queries can only have one definition" if @entities[:data]
34: 
35:         @entities[:data]  = {:description => input[:description],
36:                              :input => {},
37:                              :output => {}}
38: 
39:         @current_entity = :data
40:         block.call if block_given?
41:         @current_entity = nil
42:       end

    # File lib/mcollective/ddl/dataddl.rb, line 51
51:       def dataquery_interface
52:         @entities[:data] || {}
53:       end

    # File lib/mcollective/ddl/dataddl.rb, line 44
44:       def input(argument, properties)
45:         raise "The only valid input name for a data query is 'query'" if argument != :query
46: 
47:         super
48:       end