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require 'puppet'
require 'puppet/util/autoload'
require 'puppet/interface/documentation'
require 'prettyprint'
class Puppet::Interface
include FullDocs
require 'puppet/interface/face_collection'
require 'puppet/interface/action_manager'
include Puppet::Interface::ActionManager
extend Puppet::Interface::ActionManager
require 'puppet/interface/option_manager'
include Puppet::Interface::OptionManager
extend Puppet::Interface::OptionManager
include Puppet::Util
class << self
# This is just so we can search for actions. We only use its
# list of directories to search.
# Can't we utilize an external autoloader, or simply use the $LOAD_PATH? -pvb
def autoloader
@autoloader ||= Puppet::Util::Autoload.new(:application, "puppet/face")
end
def faces
Puppet::Interface::FaceCollection.faces
end
def register(instance)
Puppet::Interface::FaceCollection.register(instance)
end
def define(name, version, &block)
face = Puppet::Interface::FaceCollection[name, version]
if face.nil? then
face = self.new(name, version)
Puppet::Interface::FaceCollection.register(face)
# REVISIT: Shouldn't this be delayed until *after* we evaluate the
# current block, not done before? --daniel 2011-04-07
face.load_actions
end
face.instance_eval(&block) if block_given?
return face
end
def face?(name, version)
Puppet::Interface::FaceCollection[name, version]
end
def [](name, version)
unless face = Puppet::Interface::FaceCollection[name, version]
if current = Puppet::Interface::FaceCollection[name, :current]
raise Puppet::Error, "Could not find version #{version} of #{name}"
else
raise Puppet::Error, "Could not find Puppet Face #{name.inspect}"
end
end
face
end
end
def set_default_format(format)
Puppet.warning("set_default_format is deprecated (and ineffective); use render_as on your actions instead.")
end
########################################################################
# Documentation. We currently have to rewrite both getters because we share
# the same instance between build-time and the runtime instance. When that
# splits out this should merge into a module that both the action and face
# include. --daniel 2011-04-17
def synopsis
output = PrettyPrint.format do |s|
s.text("puppet #{name} <action>")
s.breakable
options.each do |option|
option = get_option(option)
wrap = option.required? ? %w{ < > } : %w{ [ ] }
s.group(0, *wrap) do
option.optparse.each do |item|
unless s.current_group.first?
s.breakable
s.text '|'
s.breakable
end
s.text item
end
end
end
end
end
########################################################################
attr_reader :name, :version
def initialize(name, version, &block)
unless Puppet::Interface::FaceCollection.validate_version(version)
raise ArgumentError, "Cannot create face #{name.inspect} with invalid version number '#{version}'!"
end
@name = Puppet::Interface::FaceCollection.underscorize(name)
@version = version
# The few bits of documentation we actually demand. The default license
# is a favour to our end users; if you happen to get that in a core face
# report it as a bug, please. --daniel 2011-04-26
@authors = []
@license = 'All Rights Reserved'
instance_eval(&block) if block_given?
end
# Try to find actions defined in other files.
def load_actions
Puppet::Interface.autoloader.search_directories.each do |dir|
Dir.glob(File.join(dir, "puppet/face/#{name}", "*.rb")).each do |file|
action = file.sub(dir, '').sub(/^[\\\/]/, '').sub(/\.rb/, '')
Puppet.debug "Loading action '#{action}' for '#{name}' from '#{dir}/#{action}.rb'"
require(action)
end
end
end
def to_s
"Puppet::Face[#{name.inspect}, #{version.inspect}]"
end
########################################################################
# Action decoration, whee! You are not expected to care about this code,
# which exists to support face building and construction. I marked these
# private because the implementation is crude and ugly, and I don't yet know
# enough to work out how to make it clean.
#
# Once we have established that these methods will likely change radically,
# to be unrecognizable in the final outcome. At which point we will throw
# all this away, replace it with something nice, and work out if we should
# be making this visible to the outside world... --daniel 2011-04-14
private
def __invoke_decorations(type, action, passed_args = [], passed_options = {})
[:before, :after].member?(type) or fail "unknown decoration type #{type}"
# Collect the decoration methods matching our pass.
methods = action.options.select do |name|
passed_options.has_key? name
end.map do |name|
action.get_option(name).__decoration_name(type)
end
methods.reverse! if type == :after
# Exceptions here should propagate up; this implements a hook we can use
# reasonably for option validation.
methods.each do |hook|
respond_to? hook and self.__send__(hook, action, passed_args, passed_options)
end
end
def __add_method(name, proc)
meta_def(name, &proc)
method(name).unbind
end
def self.__add_method(name, proc)
define_method(name, proc)
instance_method(name)
end
end
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