Class: Rook::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/rook/main.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv = ARGV) ⇒ Main

Returns a new instance of Main.



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# File 'lib/rook/main.rb', line 30

def initialize(argv=ARGV)
  @argv   = argv
  @options, @properties = parse_argv(@argv)
  @options[?h] = true if @properties['help'] == true
  @products = argv
end

Class Method Details

.main(argv = ARGV) ⇒ Object 



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# File 'lib/rook/main.rb', line 38

def self.main(argv=ARGV)
  status = 0
  begin
    main = self.new(argv)
    output = main.execute()
    #print output if output
  rescue RookError => ex
    status = 1
    raise ex if $rook_debug
    $stderr.puts "*** error: #{ex.message}"
  end
  exit status
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/rook/main.rb', line 53

def execute
  options    = @options
  properties = @properties
  products   = @products

  ##
  $rook_debug = true if @options[?D]    # or $DEBUG
  $KCODE = @options[?k] if @options[?k]

  ## help and version
  if @options[?h] || @options[?v]
    cmdname = File.basename($0)
    #desc = "#{cmdname} - a SCM (software configuration management) tool like Make, Rake, Ant, or Cook.\n"
    desc = "#{cmdname} - a SCM (Software Cooking Management) tool like Make, Rake, Ant, or Cook.\n"
    puts version() if @options[?v]
    puts desc      if @options[?h]
    puts help()    if @options[?h]
    return
  end

  ## require libraries
  @options[?r].split(/,/).each { |lib| require lib } if @options[?r]

  ## bookname
  bookname = @options[?f] || @options[?b]
  if bookname
    test(?f, bookname) or raise _error("cookbook '#{bookname}' not found.")
  else
    ['.yaml', '.yml', '.rb', ''].each do |suffix|
      break if test(?f, bookname = "Rookbook#{suffix}")
      break if test(?f, bookname = "rookbook#{suffix}")
      bookname = nil
    end
    bookname  or raise _error("cookbook 'Rookbook.yaml' or 'Rookbook.rb' not found.")
  end

  ## properties filename
  propfile = @options[?P]
  if propfile
    test(?f, propfile) or raise _error("file '#{propfile}' not found.")
  else
    %w[Rookbook.props properties.yaml].each do |f|
      break propfile = f if test(?f, f)
    end
  end
  if propfile
    props = YAML.load_file(propfile)
    props.each do |k, v|
      @properties[k] = v unless @properties.key?(k)
    end
  end

  ## global options
  $rook_verbose = @options[?V] ? true : (@options[?q] ? false : nil)
  $rook_forced  = @options[?F]
  $rook_noexec  = @options[?n] ? 1 : (@options[?N] ? 2 : nil)

  ## cookbook
  style = bookname =~ /\.ya?ml\z/ ? :yaml : :ruby
  if style == :yaml
    flag_expand_tab = !options[?T]
    begin
      cookbook = Cookbook.new(bookname, true, flag_expand_tab)
    rescue CookbookError => ex
      $stderr.puts "validation error:"
      ex.errors.each do |error|
        e = error
        $stderr.puts "#{bookname}:#{e.linenum}: [#{e.path}] #{e.message}"
      end
      return
    end
  end

  ## check
  if @options[?c]
    style == :yaml or raise _error("-c: cannot check Ruby-DSL style cookbook.")
    cookbook.validate_rubycode()
    return
  end

  ## kitchen
  props = { :verbose=>$rook_verbose, :forced=>$rook_forced, :noexec=>$rook_noexec }
  kitchen = Kitchen.new(@properties, props)
  if style == :yaml
    kitchen.load_book(cookbook)
  else
    kitchen.load_script(bookname)
  end

  ## list recipes
  if @options[?l] || @options[?L]
    show_all   = @options[?L] ? true : false
    list_properties(kitchen, show_all)
    puts
    list_recipes(kitchen, @options[?L])
    return
  end

  ## show property/parameter value
  if @options[?p]
    @options[?p].split(/,/).each do |name|
      if kitchen.has_parameter?(name)
        pp kitchen.get_parameter(name)
      elsif kitchen.has_property?(name)
        pp kitchen.get_property(name)
      else
        raise _error("-p #{name}: no such parameter or property.")
      end
    end
    return
  end

  ## target product
  if @products && !@products.empty?
    products = @products
  elsif kitchen.find_specific_recipe(:default)
    products = [ :default ]
  elsif prod = kitchen.get_parameter('rook_product')
    products = [ prod ]
  elsif prod = kitchen.get_property('rook_product')
    products = [ prod ]
  else
    $stderr.puts "*** no product specified."
    list_recipes(kitchen)
    return
  end

  ## start cooking
  products.each do |product|
    product = product.sub(/\A:/, '').intern if product.is_a?(String) && product[0] == ?:
    kitchen.start_cooking(product)
  end

  return nil

end