Class: Chef::CookbookLoader

Inherits:
Object show all
Includes:
Enumerable
Defined in:
lib/chef/cookbook_loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CookbookLoader

Returns a new instance of CookbookLoader.



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# File 'lib/chef/cookbook_loader.rb', line 32

def initialize()
  @cookbook = Hash.new
  @metadata = Hash.new
  @ignore_regexes = Hash.new { |hsh, key| hsh[key] = Array.new }
  load_cookbooks
end

Instance Attribute Details

#cookbook ⇒ Object

Returns the value of attribute cookbook.



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# File 'lib/chef/cookbook_loader.rb', line 28

def cookbook
  @cookbook
end

#metadata ⇒ Object

Returns the value of attribute metadata.



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# File 'lib/chef/cookbook_loader.rb', line 28

def metadata
  @metadata
end

Instance Method Details

#[](cookbook) ⇒ Object 



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# File 'lib/chef/cookbook_loader.rb', line 122

def [](cookbook)
  if @cookbook.has_key?(cookbook.to_sym)
    @cookbook[cookbook.to_sym]
  else
    raise ArgumentError, "Cannot find a cookbook named #{cookbook.to_s}; did you forget to add metadata to a cookbook? (http://wiki.opscode.com/display/chef/Metadata)"
  end
end

#each ⇒ Object 



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# File 'lib/chef/cookbook_loader.rb', line 130

def each
  @cookbook.keys.sort { |a,b| a.to_s <=> b.to_s }.each do |cname|
    yield @cookbook[cname]
  end
end

#load_cookbooks ⇒ Object 



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# File 'lib/chef/cookbook_loader.rb', line 39

def load_cookbooks
  cookbook_settings = Hash.new
  [Chef::Config.cookbook_path].flatten.each do |cb_path|
    Dir[File.join(cb_path, "*")].each do |cookbook|
      next unless File.directory?(cookbook)          
      cookbook_name = File.basename(cookbook).to_sym
      unless cookbook_settings.has_key?(cookbook_name)
        cookbook_settings[cookbook_name] = { 
          :attribute_files  => Hash.new,
          :definition_files => Hash.new,
          :recipe_files     => Hash.new,
          :template_files   => Hash.new,
          :remote_files     => Hash.new,
          :lib_files        => Hash.new,
          :resource_files   => Hash.new,
          :provider_files   => Hash.new,
          :metadata_files   => Array.new
        }
      end
      ignore_regexes = load_ignore_file(File.join(cookbook, "ignore"))
      @ignore_regexes[cookbook_name].concat(ignore_regexes)
      
      load_files_unless_basename(
        File.join(cookbook, "attributes", "*.rb"), 
        cookbook_settings[cookbook_name][:attribute_files]
      )
      load_files_unless_basename(
        File.join(cookbook, "definitions", "*.rb"), 
        cookbook_settings[cookbook_name][:definition_files]
      )
      load_files_unless_basename(
        File.join(cookbook, "recipes", "*.rb"), 
        cookbook_settings[cookbook_name][:recipe_files]
      )
      load_files_unless_basename(
        File.join(cookbook, "libraries", "*.rb"),               
        cookbook_settings[cookbook_name][:lib_files]
      )
      load_cascading_files(
        "*.erb",
        File.join(cookbook, "templates"),
        cookbook_settings[cookbook_name][:template_files]
      )
      load_cascading_files(
        "*",
        File.join(cookbook, "files"),
        cookbook_settings[cookbook_name][:remote_files]
      )
      load_cascading_files(
        "*.rb",
        File.join(cookbook, "resources"),
        cookbook_settings[cookbook_name][:resource_files]
      )
      load_cascading_files(
        "*.rb",
        File.join(cookbook, "providers"),
        cookbook_settings[cookbook_name][:provider_files]
      )

      if File.exists?(File.join(cookbook, "metadata.json"))
        cookbook_settings[cookbook_name][:metadata_files] << File.join(cookbook, "metadata.json")
      end
    end
  end
  remove_ignored_files_from(cookbook_settings)
  
  cookbook_settings.each_key do |cookbook|
    @cookbook[cookbook] = Chef::Cookbook.new(cookbook)
    @cookbook[cookbook].attribute_files = cookbook_settings[cookbook][:attribute_files].values
    @cookbook[cookbook].definition_files = cookbook_settings[cookbook][:definition_files].values
    @cookbook[cookbook].recipe_files = cookbook_settings[cookbook][:recipe_files].values
    @cookbook[cookbook].template_files = cookbook_settings[cookbook][:template_files].values
    @cookbook[cookbook].remote_files = cookbook_settings[cookbook][:remote_files].values
    @cookbook[cookbook].lib_files = cookbook_settings[cookbook][:lib_files].values
    @cookbook[cookbook].resource_files = cookbook_settings[cookbook][:resource_files].values
    @cookbook[cookbook].provider_files = cookbook_settings[cookbook][:provider_files].values
    @metadata[cookbook] = Chef::Cookbook::Metadata.new(@cookbook[cookbook])
    cookbook_settings[cookbook][:metadata_files].each do |meta_json|
      @metadata[cookbook].from_json(IO.read(meta_json))
    end
  end
end