Class: Aws::Cfn::Compiler::Main

Inherits:
Base
  • Object
show all
Defined in:
lib/aws/cfn/compiler/main.rb

Instance Attribute Summary

Attributes inherited from Base

#items, #opts, #spec

Instance Method Summary collapse

Methods inherited from Base

#initialize, #load_spec, #save_template, #validate

Constructor Details

This class inherits a constructor from Aws::Cfn::Compiler::Base

Instance Method Details

#run ⇒ Object 



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# File 'lib/aws/cfn/compiler/main.rb', line 12

def run

  @opts = Slop.parse(help: true) do
    # command File.basename(__FILE__,'.rb')
    on :d, :directory=,     'The directory containing template sections', as: String
    on :o, :output=,        'The JSON file to output', as: String
    on :s, :specification=, 'The specification to use when selecting components. A JSON or YAML file or JSON object', as: String
    on :f, :formatversion=, 'The AWS Template format version. ', {  as: String,
                                                                    optional_argument: true,
                                                                    default: '2010-09-09' }
    on :p, :precedence=,    'The precedence of template component types. Default: rb,ruby,yaml,yml,json,js', { as: String,
                                                                                                          default: 'rb,ruby,yaml,yml,json,js' }
    on :t, :description=,   "The AWS Template description. Default: output basename or #{File.basename(__FILE__,'.rb')}", { as: String,
                                                                                                                            default: File.basename(__FILE__,'.rb') }
    on :x, :expandedpaths,  'Show expanded paths in output', { as: String,
                                                               optional_argument: true,
                                                               default: 'off',
                                                               match: %r/0|1|yes|no|on|off|enable|disable|set|unset|true|false|raw/i }
    on :O, :overwrite,      'Overwrite existing generated source files. (HINT: Think twice ...)', { as: String,
                                                                                                    optional_argument: true,
                                                                                                    default: 'off',
                                                                                                    match: %r/0|1|yes|no|on|off|enable|disable|set|unset|true|false|raw/i }
  end

  unless @opts[:directory]
    puts @opts
    exit
  end

  @config[:precedence]    = @opts[:precedence].split(%r',+\s*').reverse
  @config[:expandedpaths] = @opts[:expandedpaths].downcase.match %r'^(1|true|on|yes|enable|set)$'
  @config[:directory]     = @opts[:directory]

  load_spec @opts[:specification]

  desc = @opts[:output] ? File.basename(@opts[:output]).gsub(%r/\.(json|yaml)/, '') : File.basename(__FILE__,'.rb')
  if @spec and @spec['Description']
    desc = @spec['Description']
  end
  vers = '2010-09-09'
  if @spec and @spec['AWSTemplateFormatVersion']
    vers = @spec['AWSTemplateFormatVersion']
  end
  # noinspection RubyStringKeysInHashInspection
  compiled = {
      'AWSTemplateFormatVersion' => (@opts[:formatversion].nil? ? vers : @opts[:formatversion]),
      'Description'              => (@opts[:description].nil? ? desc : @opts[:description]),
      'Mappings'                 => @items['Mappings'],
      'Parameters'               => @items['Parameters'],
      'Resources'                => @items['Resources'],
      'Outputs'                  => @items['Outputs'],
  }

  validate(compiled)

  output_file = @opts[:output] || 'compiled.json'
  save_template(output_file,compiled)

  @logger.step '*** Compiled Successfully ***'
end