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#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# License:: GNU General Public License version 2 or later
#
# This program and entire repository is free software; you can
# redistribute it and/or modify it under the terms of the GNU
# General Public License as published by the Free Software
# Foundation; either version 2 of the License, or any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
require File.join(File.dirname(__FILE__), "mixin", "from_file")
class Chef
class Recipe
include Chef::Mixin::FromFile
attr_accessor :cookbook_name, :recipe_name, :recipe, :node, :collection,
:definitions, :config, :params
def initialize(cookbook_name, recipe_name, node, collection=nil, definitions=nil, config=nil)
@cookbook_name = cookbook_name
@recipe_name = recipe_name
@node = node
if collection
@collection = collection
else
@collection = Chef::ResourceCollection.new()
end
if config
@config = config
else
@config = Chef::Config.new()
end
if definitions
@definitions = definitions
else
@definitions = Hash.new
end
@params = Hash.new
end
def resources(*args)
@collection.resources(*args)
end
def method_missing(method_symbol, *args, &block)
resource = nil
# If we have a definition that matches, we want to use that instead. This should
# let you do some really crazy over-riding of "native" types, if you really want
# to.
if @definitions.has_key?(method_symbol)
new_def = @definitions[method_symbol].dup
new_def.instance_eval(&block)
new_recipe = Chef::Recipe.new(@cookbook_name, @recipe_name, @node, @collection, @definitions, @config)
new_recipe.params = new_def.params
new_recipe.instance_eval(&new_def.recipe)
else
method_name = method_symbol.to_s
# Otherwise, we're rocking the regular resource call route.
rname = nil
case method_name
when /^(.+)_(.+)$/
rname = "Chef::Resource::#{$1.capitalize}#{$2.capitalize}"
when /^(.+)$/
rname = "Chef::Resource::#{$1.capitalize}"
end
begin
args << @collection
args << @config
resource = eval(rname).new(*args)
resource.params = @params
resource.instance_eval(&block)
rescue Exception => e
if e.kind_of?(NameError) && e.to_s =~ /Chef::Resource/
raise NameError, "Cannot find #{rname} for #{method_name}\nOriginal: #{e.to_s}"
else
raise e
end
end
@collection << resource
resource
end
end
end
end
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