Update version according to OSCI-883
[packages/precise/mcollective.git] / doc / MCollective / DDL.html
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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+       <meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
+
+       <title>Module: MCollective::DDL</title>
+
+       <link rel="stylesheet" href="../rdoc.css" type="text/css" media="screen" />
+
+       <script src="../js/jquery.js" type="text/javascript"
+               charset="utf-8"></script>
+       <script src="../js/thickbox-compressed.js" type="text/javascript"
+               charset="utf-8"></script>
+       <script src="../js/quicksearch.js" type="text/javascript"
+               charset="utf-8"></script>
+       <script src="../js/darkfish.js" type="text/javascript"
+               charset="utf-8"></script>
+
+</head>
+<body class="module">
+
+       <div id="metadata">
+               <div id="file-metadata">
+                       <div id="file-list-section" class="section">
+                               <h3 class="section-header">In Files</h3>
+                               <div class="section-body">
+                                       <ul>
+                                       
+                                               <li><a href="../lib/mcollective/ddl/discoveryddl_rb.html?TB_iframe=true&amp;height=550&amp;width=785"
+                                                       class="thickbox" title="lib/mcollective/ddl/discoveryddl.rb">lib/mcollective/ddl/discoveryddl.rb</a></li>
+                                       
+                                               <li><a href="../lib/mcollective/ddl/validatorddl_rb.html?TB_iframe=true&amp;height=550&amp;width=785"
+                                                       class="thickbox" title="lib/mcollective/ddl/validatorddl.rb">lib/mcollective/ddl/validatorddl.rb</a></li>
+                                       
+                                               <li><a href="../lib/mcollective/ddl/agentddl_rb.html?TB_iframe=true&amp;height=550&amp;width=785"
+                                                       class="thickbox" title="lib/mcollective/ddl/agentddl.rb">lib/mcollective/ddl/agentddl.rb</a></li>
+                                       
+                                               <li><a href="../lib/mcollective/ddl/base_rb.html?TB_iframe=true&amp;height=550&amp;width=785"
+                                                       class="thickbox" title="lib/mcollective/ddl/base.rb">lib/mcollective/ddl/base.rb</a></li>
+                                       
+                                               <li><a href="../lib/mcollective/ddl/dataddl_rb.html?TB_iframe=true&amp;height=550&amp;width=785"
+                                                       class="thickbox" title="lib/mcollective/ddl/dataddl.rb">lib/mcollective/ddl/dataddl.rb</a></li>
+                                       
+                                               <li><a href="../lib/mcollective/ddl_rb.html?TB_iframe=true&amp;height=550&amp;width=785"
+                                                       class="thickbox" title="lib/mcollective/ddl.rb">lib/mcollective/ddl.rb</a></li>
+                                       
+                                       </ul>
+                               </div>
+                       </div>
+
+                       
+               </div>
+
+               <div id="class-metadata">
+
+                       <!-- Parent Class -->
+                       
+
+                       <!-- Namespace Contents -->
+                       
+                       <div id="namespace-list-section" class="section">
+                               <h3 class="section-header">Namespace</h3>
+                               <ul class="link-list">
+                                       
+                                       <li><span class="type">CLASS</span> <a href="DDL/AgentDDL.html">MCollective::DDL::AgentDDL</a></li>
+                                       
+                                       <li><span class="type">CLASS</span> <a href="DDL/Base.html">MCollective::DDL::Base</a></li>
+                                       
+                                       <li><span class="type">CLASS</span> <a href="DDL/DataDDL.html">MCollective::DDL::DataDDL</a></li>
+                                       
+                                       <li><span class="type">CLASS</span> <a href="DDL/DiscoveryDDL.html">MCollective::DDL::DiscoveryDDL</a></li>
+                                       
+                                       <li><span class="type">CLASS</span> <a href="DDL/ValidatorDDL.html">MCollective::DDL::ValidatorDDL</a></li>
+                                       
+                               </ul>
+                       </div>
+                       
+
+                       <!-- Method Quickref -->
+                       
+                       <div id="method-list-section" class="section">
+                               <h3 class="section-header">Methods</h3>
+                               <ul class="link-list">
+                                       
+                                       <li><a href="#M000368">::load_and_cache</a></li>
+                                       
+                                       <li><a href="#M000367">::new</a></li>
+                                       
+                                       <li><a href="#M000369">::string_to_boolean</a></li>
+                                       
+                                       <li><a href="#M000370">::string_to_number</a></li>
+                                       
+                                       <li><a href="#M000371">::validation_fail!</a></li>
+                                       
+                               </ul>
+                       </div>
+                       
+
+                       <!-- Included Modules -->
+                       
+               </div>
+
+               <div id="project-metadata">
+                       
+                       
+                       <div id="fileindex-section" class="section project-section">
+                               <h3 class="section-header">Files</h3>
+                               <ul>
+                               
+                                       <li class="file"><a href="../COPYING.html">COPYING</a></li>
+                               
+                                       <li class="file"><a href="../Gemfile.html">Gemfile</a></li>
+                               
+                                       <li class="file"><a href="../README.html">README</a></li>
+                               
+                                       <li class="file"><a href="../Rakefile.html">Rakefile</a></li>
+                               
+                                       <li class="file"><a href="../etc/client_cfg_dist.html">client.cfg.dist</a></li>
+                               
+                                       <li class="file"><a href="../etc/data-help_erb.html">data-help.erb</a></li>
+                               
+                                       <li class="file"><a href="../etc/discovery-help_erb.html">discovery-help.erb</a></li>
+                               
+                                       <li class="file"><a href="../etc/facts_yaml_dist.html">facts.yaml.dist</a></li>
+                               
+                                       <li class="file"><a href="../etc/metadata-help_erb.html">metadata-help.erb</a></li>
+                               
+                                       <li class="file"><a href="../etc/msg-help_erb.html">msg-help.erb</a></li>
+                               
+                                       <li class="file"><a href="../etc/rpc-help_erb.html">rpc-help.erb</a></li>
+                               
+                                       <li class="file"><a href="../etc/server_cfg_dist.html">server.cfg.dist</a></li>
+                               
+                                       <li class="file"><a href="../etc/ssl/PLACEHOLDER.html">PLACEHOLDER</a></li>
+                               
+                                       <li class="file"><a href="../etc/ssl/clients/PLACEHOLDER.html">PLACEHOLDER</a></li>
+                               
+                                       <li class="file"><a href="../lib/mcollective/generators/templates/action_snippet_erb.html">action_snippet.erb</a></li>
+                               
+                                       <li class="file"><a href="../lib/mcollective/generators/templates/data_input_snippet_erb.html">data_input_snippet.erb</a></li>
+                               
+                                       <li class="file"><a href="../lib/mcollective/generators/templates/ddl_erb.html">ddl.erb</a></li>
+                               
+                                       <li class="file"><a href="../lib/mcollective/generators/templates/plugin_erb.html">plugin.erb</a></li>
+                               
+                                       <li class="file"><a href="../lib/mcollective/locales/en_yml.html">en.yml</a></li>
+                               
+                                       <li class="file"><a href="../mcollective_init.html">mcollective.init</a></li>
+                               
+                               </ul>
+                       </div>
+                       
+
+                       <div id="classindex-section" class="section project-section">
+                               <h3 class="section-header">Class Index
+                                       <span class="search-toggle"><img src="../images/find.png"
+                                               height="16" width="16" alt="[+]"
+                                               title="show/hide quicksearch" /></span></h3>
+                               <form action="#" method="get" accept-charset="utf-8" class="initially-hidden">
+                               <fieldset>
+                                       <legend>Quicksearch</legend>
+                                       <input type="text" name="quicksearch" value=""
+                                               class="quicksearch-field" />
+                               </fieldset>
+                               </form>
+
+                               <ul class="link-list">
+                               
+                                       <li><a href="../MCollective.html">MCollective</a></li>
+                               
+                                       <li><a href="../MCollective/Agent.html">MCollective::Agent</a></li>
+                               
+                                       <li><a href="../MCollective/Agents.html">MCollective::Agents</a></li>
+                               
+                                       <li><a href="../MCollective/Aggregate.html">MCollective::Aggregate</a></li>
+                               
+                                       <li><a href="../MCollective/Aggregate/Base.html">MCollective::Aggregate::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Aggregate/Result.html">MCollective::Aggregate::Result</a></li>
+                               
+                                       <li><a href="../MCollective/Aggregate/Result/Base.html">MCollective::Aggregate::Result::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Aggregate/Result/CollectionResult.html">MCollective::Aggregate::Result::CollectionResult</a></li>
+                               
+                                       <li><a href="../MCollective/Aggregate/Result/NumericResult.html">MCollective::Aggregate::Result::NumericResult</a></li>
+                               
+                                       <li><a href="../MCollective/Application.html">MCollective::Application</a></li>
+                               
+                                       <li><a href="../MCollective/Applications.html">MCollective::Applications</a></li>
+                               
+                                       <li><a href="../MCollective/Cache.html">MCollective::Cache</a></li>
+                               
+                                       <li><a href="../MCollective/Client.html">MCollective::Client</a></li>
+                               
+                                       <li><a href="../MCollective/CodedError.html">MCollective::CodedError</a></li>
+                               
+                                       <li><a href="../MCollective/Config.html">MCollective::Config</a></li>
+                               
+                                       <li><a href="../MCollective/Connector.html">MCollective::Connector</a></li>
+                               
+                                       <li><a href="../MCollective/Connector/Base.html">MCollective::Connector::Base</a></li>
+                               
+                                       <li><a href="../MCollective/DDL.html">MCollective::DDL</a></li>
+                               
+                                       <li><a href="../MCollective/DDL/AgentDDL.html">MCollective::DDL::AgentDDL</a></li>
+                               
+                                       <li><a href="../MCollective/DDL/Base.html">MCollective::DDL::Base</a></li>
+                               
+                                       <li><a href="../MCollective/DDL/DataDDL.html">MCollective::DDL::DataDDL</a></li>
+                               
+                                       <li><a href="../MCollective/DDL/DiscoveryDDL.html">MCollective::DDL::DiscoveryDDL</a></li>
+                               
+                                       <li><a href="../MCollective/DDL/ValidatorDDL.html">MCollective::DDL::ValidatorDDL</a></li>
+                               
+                                       <li><a href="../MCollective/DDLValidationError.html">MCollective::DDLValidationError</a></li>
+                               
+                                       <li><a href="../MCollective/Data.html">MCollective::Data</a></li>
+                               
+                                       <li><a href="../MCollective/Data/Base.html">MCollective::Data::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Data/Result.html">MCollective::Data::Result</a></li>
+                               
+                                       <li><a href="../MCollective/Discovery.html">MCollective::Discovery</a></li>
+                               
+                                       <li><a href="../MCollective/Facts.html">MCollective::Facts</a></li>
+                               
+                                       <li><a href="../MCollective/Facts/Base.html">MCollective::Facts::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Generators.html">MCollective::Generators</a></li>
+                               
+                                       <li><a href="../MCollective/Generators/AgentGenerator.html">MCollective::Generators::AgentGenerator</a></li>
+                               
+                                       <li><a href="../MCollective/Generators/Base.html">MCollective::Generators::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Generators/DataGenerator.html">MCollective::Generators::DataGenerator</a></li>
+                               
+                                       <li><a href="../MCollective/InvalidRPCData.html">MCollective::InvalidRPCData</a></li>
+                               
+                                       <li><a href="../MCollective/Log.html">MCollective::Log</a></li>
+                               
+                                       <li><a href="../MCollective/Logger.html">MCollective::Logger</a></li>
+                               
+                                       <li><a href="../MCollective/Logger/Base.html">MCollective::Logger::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Logger/Console_logger.html">MCollective::Logger::Console_logger</a></li>
+                               
+                                       <li><a href="../MCollective/Logger/File_logger.html">MCollective::Logger::File_logger</a></li>
+                               
+                                       <li><a href="../MCollective/Logger/Syslog_logger.html">MCollective::Logger::Syslog_logger</a></li>
+                               
+                                       <li><a href="../MCollective/Matcher.html">MCollective::Matcher</a></li>
+                               
+                                       <li><a href="../MCollective/Matcher/Parser.html">MCollective::Matcher::Parser</a></li>
+                               
+                                       <li><a href="../MCollective/Matcher/Scanner.html">MCollective::Matcher::Scanner</a></li>
+                               
+                                       <li><a href="../MCollective/Message.html">MCollective::Message</a></li>
+                               
+                                       <li><a href="../MCollective/MissingRPCData.html">MCollective::MissingRPCData</a></li>
+                               
+                                       <li><a href="../MCollective/MsgDoesNotMatchRequestID.html">MCollective::MsgDoesNotMatchRequestID</a></li>
+                               
+                                       <li><a href="../MCollective/MsgTTLExpired.html">MCollective::MsgTTLExpired</a></li>
+                               
+                                       <li><a href="../MCollective/NotTargettedAtUs.html">MCollective::NotTargettedAtUs</a></li>
+                               
+                                       <li><a href="../MCollective/Optionparser.html">MCollective::Optionparser</a></li>
+                               
+                                       <li><a href="../MCollective/PluginManager.html">MCollective::PluginManager</a></li>
+                               
+                                       <li><a href="../MCollective/PluginPackager.html">MCollective::PluginPackager</a></li>
+                               
+                                       <li><a href="../MCollective/PluginPackager/AgentDefinition.html">MCollective::PluginPackager::AgentDefinition</a></li>
+                               
+                                       <li><a href="../MCollective/PluginPackager/StandardDefinition.html">MCollective::PluginPackager::StandardDefinition</a></li>
+                               
+                                       <li><a href="../MCollective/RPC.html">MCollective::RPC</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/ActionRunner.html">MCollective::RPC::ActionRunner</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Agent.html">MCollective::RPC::Agent</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Audit.html">MCollective::RPC::Audit</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Client.html">MCollective::RPC::Client</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Helpers.html">MCollective::RPC::Helpers</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Progress.html">MCollective::RPC::Progress</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Reply.html">MCollective::RPC::Reply</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Request.html">MCollective::RPC::Request</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Result.html">MCollective::RPC::Result</a></li>
+                               
+                                       <li><a href="../MCollective/RPC/Stats.html">MCollective::RPC::Stats</a></li>
+                               
+                                       <li><a href="../MCollective/RPCAborted.html">MCollective::RPCAborted</a></li>
+                               
+                                       <li><a href="../MCollective/RPCError.html">MCollective::RPCError</a></li>
+                               
+                                       <li><a href="../MCollective/Registration.html">MCollective::Registration</a></li>
+                               
+                                       <li><a href="../MCollective/Registration/Base.html">MCollective::Registration::Base</a></li>
+                               
+                                       <li><a href="../MCollective/Runner.html">MCollective::Runner</a></li>
+                               
+                                       <li><a href="../MCollective/RunnerStats.html">MCollective::RunnerStats</a></li>
+                               
+                                       <li><a href="../MCollective/SSL.html">MCollective::SSL</a></li>
+                               
+                                       <li><a href="../MCollective/Security.html">MCollective::Security</a></li>
+                               
+                                       <li><a href="../MCollective/Security/Base.html">MCollective::Security::Base</a></li>
+                               
+                                       <li><a href="../MCollective/SecurityValidationFailed.html">MCollective::SecurityValidationFailed</a></li>
+                               
+                                       <li><a href="../MCollective/Shell.html">MCollective::Shell</a></li>
+                               
+                                       <li><a href="../MCollective/Translatable.html">MCollective::Translatable</a></li>
+                               
+                                       <li><a href="../MCollective/UnixDaemon.html">MCollective::UnixDaemon</a></li>
+                               
+                                       <li><a href="../MCollective/UnknownRPCAction.html">MCollective::UnknownRPCAction</a></li>
+                               
+                                       <li><a href="../MCollective/UnknownRPCError.html">MCollective::UnknownRPCError</a></li>
+                               
+                                       <li><a href="../MCollective/Util.html">MCollective::Util</a></li>
+                               
+                                       <li><a href="../MCollective/Validator.html">MCollective::Validator</a></li>
+                               
+                                       <li><a href="../MCollective/ValidatorError.html">MCollective::ValidatorError</a></li>
+                               
+                                       <li><a href="../MCollective/WindowsDaemon.html">MCollective::WindowsDaemon</a></li>
+                               
+                                       <li><a href="../Array.html">Array</a></li>
+                               
+                                       <li><a href="../Dir.html">Dir</a></li>
+                               
+                                       <li><a href="../Object.html">Object</a></li>
+                               
+                                       <li><a href="../String.html">String</a></li>
+                               
+                                       <li><a href="../Symbol.html">Symbol</a></li>
+                               
+                               </ul>
+                               <div id="no-class-search-results" style="display: none;">No matching classes.</div>
+                       </div>
+
+                       
+               </div>
+       </div>
+
+       <div id="documentation">
+               <h1 class="module">MCollective::DDL</h1>
+
+               <div id="description">
+                       <p>
+A set of classes that helps create data description language files for
+plugins. You can define meta data, actions, input and output describing the
+behavior of your agent or other plugins
+</p>
+<p>
+<a href="DDL.html">DDL</a> files are used for input validation,
+constructing outputs, producing online help, informing the various display
+routines and so forth.
+</p>
+<p>
+A sample <a href="DDL.html">DDL</a> for an agent be seen below, you&#8217;d
+put this in your agent dir as <agent name>.ddl
+</p>
+<pre>
+   metadata :name        =&gt; &quot;SimpleRPC Service Agent&quot;,
+            :description =&gt; &quot;Agent to manage services using the Puppet service provider&quot;,
+            :author      =&gt; &quot;R.I.Pienaar&quot;,
+            :license     =&gt; &quot;GPLv2&quot;,
+            :version     =&gt; &quot;1.1&quot;,
+            :url         =&gt; &quot;http://mcollective-plugins.googlecode.com/&quot;,
+            :timeout     =&gt; 60
+
+   action &quot;status&quot;, :description =&gt; &quot;Gets the status of a service&quot; do
+      display :always
+
+      input :service,
+            :prompt      =&gt; &quot;Service Name&quot;,
+            :description =&gt; &quot;The service to get the status for&quot;,
+            :type        =&gt; :string,
+            :validation  =&gt; '^[a-zA-Z\-_\d]+$',
+            :optional    =&gt; true,
+            :maxlength   =&gt; 30
+
+      output :status,
+             :description =&gt; &quot;The status of service&quot;,
+             :display_as  =&gt; &quot;Service Status&quot;
+  end
+</pre>
+<p>
+There are now many types of <a href="DDL.html">DDL</a> and ultimately all
+pugins should have <a href="DDL.html">DDL</a> files. The code is organized
+so that any plugin type will magically just work - they will be an instane
+of <a href="DDL/Base.html">Base</a> which has metadata and a few common
+cases.
+</p>
+<p>
+For plugin types that require more specific behaviors they can just add a
+class here that inherits from <a href="DDL/Base.html">Base</a> and add
+their specific behavior.
+</p>
+<p>
+<a href="DDL/Base.html">Base</a> defines a specific behavior for input,
+output and metadata which we&#8217;d like to keep standard across plugin
+types so do not completely override the behavior of input. The methods are
+written that they will gladly store extra content though so you add, do not
+remove. See the <a href="DDL/AgentDDL.html">AgentDDL</a> class for an
+example where agents want a :required argument to be always set.
+</p>
+
+               </div>
+
+               <!-- Constants -->
+               
+
+               <!-- Attributes -->
+               
+
+               <!-- Methods -->
+               
+               <div id="public-class-method-details" class="method-section section">
+                       <h3 class="section-header">Public Class Methods</h3>
+
+               
+                       <div id="load-and-cache-method" class="method-detail ">
+                               <a name="M000368"></a>
+
+                               <div class="method-heading">
+                               
+                                       <span class="method-name">load_and_cache</span><span
+                                               class="method-args">(*args)</span>
+                                       <span class="method-click-advice">click to toggle source</span>
+                               
+                               </div>
+
+                               <div class="method-description">
+                                       
+                                       <p class="missing-docs">(Not documented)</p>
+                                       
+
+                                       
+                                       <div class="method-source-code"
+                                               id="load-and-cache-source">
+<pre>
+    <span class="ruby-comment cmt"># File lib/mcollective/ddl.rb, line 71</span>
+71:     <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">load_and_cache</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
+72:       <span class="ruby-constant">Cache</span>.<span class="ruby-identifier">setup</span>(<span class="ruby-identifier">:ddl</span>, <span class="ruby-value">300</span>)
+73: 
+74:       <span class="ruby-identifier">plugin</span> = <span class="ruby-identifier">args</span>.<span class="ruby-identifier">first</span>
+75:       <span class="ruby-identifier">args</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">&gt;</span> <span class="ruby-value">1</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">type</span> = <span class="ruby-identifier">args</span>[<span class="ruby-value">1</span>].<span class="ruby-identifier">to_s</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">type</span> = <span class="ruby-value str">&quot;agent&quot;</span>
+76:       <span class="ruby-identifier">path</span> = <span class="ruby-value str">&quot;%s/%s&quot;</span> <span class="ruby-operator">%</span> [<span class="ruby-identifier">type</span>, <span class="ruby-identifier">plugin</span>]
+77: 
+78:       <span class="ruby-keyword kw">begin</span>
+79:         <span class="ruby-identifier">ddl</span> = <span class="ruby-constant">Cache</span>.<span class="ruby-identifier">read</span>(<span class="ruby-identifier">:ddl</span>, <span class="ruby-identifier">path</span>)
+80:       <span class="ruby-keyword kw">rescue</span>
+81:         <span class="ruby-keyword kw">begin</span>
+82:           <span class="ruby-identifier">klass</span> = <span class="ruby-constant">DDL</span>.<span class="ruby-identifier">const_get</span>(<span class="ruby-value str">&quot;%sDDL&quot;</span> <span class="ruby-operator">%</span> <span class="ruby-identifier">type</span>.<span class="ruby-identifier">capitalize</span>)
+83:         <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">NameError</span>
+84:           <span class="ruby-identifier">klass</span> = <span class="ruby-constant">Base</span>
+85:         <span class="ruby-keyword kw">end</span>
+86: 
+87:         <span class="ruby-identifier">ddl</span> = <span class="ruby-constant">Cache</span>.<span class="ruby-identifier">write</span>(<span class="ruby-identifier">:ddl</span>, <span class="ruby-identifier">path</span>, <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>))
+88:       <span class="ruby-keyword kw">end</span>
+89: 
+90:       <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">ddl</span>
+91:     <span class="ruby-keyword kw">end</span></pre>
+                                       </div>
+                                       
+                               </div>
+
+                               
+                       </div>
+
+               
+                       <div id="new-method" class="method-detail ">
+                               <a name="M000367"></a>
+
+                               <div class="method-heading">
+                               
+                                       <span class="method-name">new</span><span
+                                               class="method-args">(*args, &blk)</span>
+                                       <span class="method-click-advice">click to toggle source</span>
+                               
+                               </div>
+
+                               <div class="method-description">
+                                       
+                                       <p>
+There used to be only one big nasty <a href="DDL.html">DDL</a> class with a
+bunch of mashed together behaviors. It&#8217;s been around for ages and we
+would rather not ask all the users to change their <a
+href="DDL.html#M000367">DDL.new</a> calls to some other factory method that
+would have this exact same behavior.
+</p>
+<p>
+So we override the behavior of <a href="DDL.html#M000367">new</a> which is
+a hugely sucky thing to do but ultimately it&#8217;s what would be least
+disrupting to code out there today. We did though change <a
+href="DDL.html">DDL</a> to a module to make it possibly a little less
+suprising, possibly.
+</p>
+                                       
+
+                                       
+                                       <div class="method-source-code"
+                                               id="new-source">
+<pre>
+    <span class="ruby-comment cmt"># File lib/mcollective/ddl.rb, line 67</span>
+67:     <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>, <span class="ruby-operator">&amp;</span><span class="ruby-identifier">blk</span>)
+68:       <span class="ruby-identifier">load_and_cache</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
+69:     <span class="ruby-keyword kw">end</span></pre>
+                                       </div>
+                                       
+                               </div>
+
+                               
+                       </div>
+
+               
+                       <div id="string-to-boolean-method" class="method-detail ">
+                               <a name="M000369"></a>
+
+                               <div class="method-heading">
+                               
+                                       <span class="method-name">string_to_boolean</span><span
+                                               class="method-args">(val)</span>
+                                       <span class="method-click-advice">click to toggle source</span>
+                               
+                               </div>
+
+                               <div class="method-description">
+                                       
+                                       <p>
+As we&#8217;re taking arguments on the command line we need a way to input
+booleans, true on the cli is a string so this method will take the ddl,
+find all arguments that are supposed to be boolean and if they are the
+strings &#8220;true&#8221;/&#8220;yes&#8221; or
+&#8220;false&#8221;/&#8220;no&#8221; turn them into the matching boolean
+</p>
+                                       
+
+                                       
+                                       <div class="method-source-code"
+                                               id="string-to-boolean-source">
+<pre>
+     <span class="ruby-comment cmt"># File lib/mcollective/ddl.rb, line 98</span>
+ 98:     <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">string_to_boolean</span>(<span class="ruby-identifier">val</span>)
+ 99:       <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">true</span> <span class="ruby-keyword kw">if</span> [<span class="ruby-value str">&quot;true&quot;</span>, <span class="ruby-value str">&quot;t&quot;</span>, <span class="ruby-value str">&quot;yes&quot;</span>, <span class="ruby-value str">&quot;y&quot;</span>, <span class="ruby-value str">&quot;1&quot;</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">val</span>.<span class="ruby-identifier">downcase</span>)
+100:       <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">if</span> [<span class="ruby-value str">&quot;false&quot;</span>, <span class="ruby-value str">&quot;f&quot;</span>, <span class="ruby-value str">&quot;no&quot;</span>, <span class="ruby-value str">&quot;n&quot;</span>, <span class="ruby-value str">&quot;0&quot;</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">val</span>.<span class="ruby-identifier">downcase</span>)
+101: 
+102:       <span class="ruby-identifier">raise_code</span>(<span class="ruby-identifier">:PLMC17</span>, <span class="ruby-value str">&quot;%{value} does not look like a boolean argument&quot;</span>, <span class="ruby-identifier">:debug</span>, <span class="ruby-identifier">:value</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">val</span>)
+103:     <span class="ruby-keyword kw">end</span></pre>
+                                       </div>
+                                       
+                               </div>
+
+                               
+                       </div>
+
+               
+                       <div id="string-to-number-method" class="method-detail ">
+                               <a name="M000370"></a>
+
+                               <div class="method-heading">
+                               
+                                       <span class="method-name">string_to_number</span><span
+                                               class="method-args">(val)</span>
+                                       <span class="method-click-advice">click to toggle source</span>
+                               
+                               </div>
+
+                               <div class="method-description">
+                                       
+                                       <p>
+a generic string to number function, if a number looks like a float it
+turns it into a float else an int. This is naive but should be sufficient
+for numbers typed on the cli in most cases
+</p>
+                                       
+
+                                       
+                                       <div class="method-source-code"
+                                               id="string-to-number-source">
+<pre>
+     <span class="ruby-comment cmt"># File lib/mcollective/ddl.rb, line 108</span>
+108:     <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">string_to_number</span>(<span class="ruby-identifier">val</span>)
+109:       <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">val</span>.<span class="ruby-identifier">to_f</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">val</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/^\d+\.\d+$/</span>
+110:       <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">val</span>.<span class="ruby-identifier">to_i</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">val</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/^\d+$/</span>
+111: 
+112:       <span class="ruby-identifier">raise_code</span>(<span class="ruby-identifier">:PLMC16</span>, <span class="ruby-value str">&quot;%{value} does not look like a numeric value&quot;</span>, <span class="ruby-identifier">:debug</span>, <span class="ruby-identifier">:value</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">val</span>)
+113:     <span class="ruby-keyword kw">end</span></pre>
+                                       </div>
+                                       
+                               </div>
+
+                               
+                       </div>
+
+               
+                       <div id="validation-fail--method" class="method-detail ">
+                               <a name="M000371"></a>
+
+                               <div class="method-heading">
+                               
+                                       <span class="method-name">validation_fail!</span><span
+                                               class="method-args">(code, default, level, args={})</span>
+                                       <span class="method-click-advice">click to toggle source</span>
+                               
+                               </div>
+
+                               <div class="method-description">
+                                       
+                                       <p>
+Various <a href="DDL.html">DDL</a> implementations will validate and raise
+on error, this is a utility method to correctly setup a <a
+href="DDLValidationError.html">DDLValidationError</a> exceptions and raise
+them
+</p>
+                                       
+
+                                       
+                                       <div class="method-source-code"
+                                               id="validation-fail--source">
+<pre>
+     <span class="ruby-comment cmt"># File lib/mcollective/ddl.rb, line 117</span>
+117:     <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">validation_fail!</span>(<span class="ruby-identifier">code</span>, <span class="ruby-identifier">default</span>, <span class="ruby-identifier">level</span>, <span class="ruby-identifier">args</span>={})
+118:       <span class="ruby-identifier">exception</span> = <span class="ruby-constant">DDLValidationError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">code</span>, <span class="ruby-identifier">default</span>, <span class="ruby-identifier">level</span>, <span class="ruby-identifier">args</span>)
+119:       <span class="ruby-identifier">exception</span>.<span class="ruby-identifier">set_backtrace</span> <span class="ruby-identifier">caller</span>
+120: 
+121:       <span class="ruby-identifier">raise</span> <span class="ruby-identifier">exception</span>
+122:     <span class="ruby-keyword kw">end</span></pre>
+                                       </div>
+                                       
+                               </div>
+
+                               
+                       </div>
+
+               
+               </div>
+       
+
+       </div>
+
+
+       <div id="rdoc-debugging-section-dump" class="debugging-section">
+       
+               <p>Disabled; run with --debug to generate this.</p>
+       
+       </div>
+
+       <div id="validator-badges">
+               <p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>
+               <p><small>Generated with the <a href="http://deveiate.org/projects/Darkfish-Rdoc/">Darkfish
+                       Rdoc Generator</a> 1.1.6</small>.</p>
+       </div>
+
+</body>
+</html>
+