diff --git a/lib/puppet/metatype/manager.rb b/lib/puppet/metatype/manager.rb index 007d22f97..2d7b2b6e2 100644 --- a/lib/puppet/metatype/manager.rb +++ b/lib/puppet/metatype/manager.rb @@ -1,180 +1,179 @@ require 'puppet' require 'puppet/util/classgen' require 'puppet/node/environment' # This module defines methods dealing with Type management. # This module gets included into the Puppet::Type class, it's just split out here for clarity. # @api public # module Puppet::MetaType module Manager include Puppet::Util::ClassGen # An implementation specific method that removes all type instances during testing. # @note Only use this method for testing purposes. # @api private # def allclear @types.each { |name, type| type.clear } end # Iterates over all already loaded Type subclasses. # @yield [t] a block receiving each type # @yieldparam t [Puppet::Type] each defined type # @yieldreturn [Object] the last returned object is also returned from this method # @return [Object] the last returned value from the block. def eachtype @types.each do |name, type| # Only consider types that have names #if ! type.parameters.empty? or ! type.validproperties.empty? yield type #end end end # Loads all types. # @note Should only be used for purposes such as generating documentation as this is potentially a very # expensive operation. # @return [void] # def loadall typeloader.loadall end # Defines a new type or redefines an existing type with the given name. # A convenience method on the form `new` where name is the name of the type is also created. # (If this generated method happens to clash with an existing method, a warning is issued and the original # method is kept). # # @param name [String] the name of the type to create or redefine. # @param options [Hash] options passed on to {Puppet::Util::ClassGen#genclass} as the option `:attributes`. # @option options [Puppet::Type] # Puppet::Type. This option is not passed on as an attribute to genclass. # @yield [ ] a block evaluated in the context of the created class, thus allowing further detailing of # that class. # @return [Class] the created subclass # @see Puppet::Util::ClassGen.genclass # # @dsl type # @api public def newtype(name, options = {}, &block) # Handle backward compatibility unless options.is_a?(Hash) Puppet.warning "Puppet::Type.newtype(#{name}) now expects a hash as the second argument, not #{options.inspect}" end # First make sure we don't have a method sitting around name = name.intern newmethod = "new#{name}" # Used for method manipulation. selfobj = singleton_class @types ||= {} if @types.include?(name) if self.respond_to?(newmethod) # Remove the old newmethod selfobj.send(:remove_method,newmethod) end end options = symbolize_options(options) if options.include?(:parent) Puppet.deprecation_warning "option :parent is deprecated. It has no effect" options.delete(:parent) end # Then create the class. klass = genclass( name, :parent => Puppet::Type, :overwrite => true, :hash => @types, :attributes => options, &block ) # Now define a "new" method for convenience. if self.respond_to? newmethod # Refuse to overwrite existing methods like 'newparam' or 'newtype'. Puppet.warning "'new#{name.to_s}' method already exists; skipping" else selfobj.send(:define_method, newmethod) do |*args| klass.new(*args) end end # If they've got all the necessary methods defined and they haven't # already added the property, then do so now. klass.ensurable if klass.ensurable? and ! klass.validproperty?(:ensure) # Now set up autoload any providers that might exist for this type. klass.providerloader = Puppet::Util::Autoload.new(klass, "puppet/provider/#{klass.name.to_s}") # We have to load everything so that we can figure out the default provider. klass.providerloader.loadall klass.providify unless klass.providers.empty? klass end # Removes an existing type. # @note Only use this for testing. # @api private def rmtype(name) # Then create the class. rmclass(name, :hash => @types) singleton_class.send(:remove_method, "new#{name}") if respond_to?("new#{name}") end # Returns a Type instance by name. # This will load the type if not already defined. # @param [String, Symbol] name of the wanted Type # @return [Puppet::Type, nil] the type or nil if the type was not defined and could not be loaded # def type(name) @types ||= {} # We are overwhelmingly symbols here, which usually match, so it is worth # having this special-case to return quickly. Like, 25K symbols vs. 300 # strings in this method. --daniel 2012-07-17 return @types[name] if @types[name] # Try mangling the name, if it is a string. if name.is_a? String name = name.downcase.intern return @types[name] if @types[name] end - # Try loading the type. if typeloader.load(name, Puppet.lookup(:current_environment)) Puppet.warning "Loaded puppet/type/#{name} but no class was created" unless @types.include? name end # ...and I guess that is that, eh. return @types[name] end # Creates a loader for Puppet types. # Defaults to an instance of {Puppet::Util::Autoload} if no other auto loader has been set. # @return [Puppet::Util::Autoload] the loader to use. # @api private def typeloader unless defined?(@typeloader) @typeloader = Puppet::Util::Autoload.new(self, "puppet/type", :wrap => false) end @typeloader end end end