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#
# Created by Luke Kanies on 2007-11-28.
# Copyright (c) 2007. All rights reserved.
require 'puppet'
# A simple class to canonize how we refer to and retrieve
# resources.
class Puppet::ResourceReference
attr_reader :type
attr_accessor :title, :catalog
def initialize(type, title)
# This will set @type if it looks like a resource reference.
self.title = title
# Don't override whatever was done by setting the title.
self.type = type if self.type.nil?
@builtin_type = nil
end
# Find our resource.
def resolve
if catalog
return catalog.resource(to_s)
end
# If it's builtin, then just ask for it directly from the type.
if t = builtin_type
t[@title]
else # Else, look for a component with the full reference as the name.
Puppet::Type::Component[to_s]
end
end
# If the title has square brackets, treat it like a reference and
# set things appropriately; else, just set it.
def title=(value)
if value =~ /^([^\[\]]+)\[(.+)\]$/
self.type = $1
@title = $2
else
@title = value
end
end
# Canonize the type so we know it's always consistent.
def type=(value)
if value.nil? or value.to_s.downcase == "component"
@type = "Class"
else
# LAK:NOTE See http://snurl.com/21zf8 [groups_google_com]
x = @type = value.to_s.split("::").collect { |s| s.capitalize }.join("::")
end
end
# Convert to the standard way of referring to resources.
def to_s
"%s[%s]" % [@type, @title]
end
private
def builtin_type?
builtin_type ? true : false
end
def builtin_type
if @builtin_type.nil?
if @type =~ /::/
@builtin_type = false
elsif klass = Puppet::Type.type(@type.to_s.downcase)
@builtin_type = klass
else
@builtin_type = false
end
end
@builtin_type
end
end
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