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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/resource'
Dir[File.join(File.dirname(__FILE__), 'resource/**/*.rb')].sort.each { |lib| require lib }
require 'chef/mixin/from_file'
require 'chef/mixin/language'
require 'chef/resource_collection'
require 'chef/cookbook_loader'
require 'chef/rest'
class Chef
class Recipe
include Chef::Mixin::FromFile
include Chef::Mixin::Language
attr_accessor :cookbook_name, :recipe_name, :recipe, :node, :collection,
:definitions, :params, :cookbook_loader
def initialize(cookbook_name, recipe_name, node, collection=nil, definitions=nil, cookbook_loader=nil)
@cookbook_name = cookbook_name
@recipe_name = recipe_name
@node = node
if collection
@collection = collection
else
@collection = Chef::ResourceCollection.new()
end
if definitions
@definitions = definitions
else
@definitions = Hash.new
end
if cookbook_loader
@cookbook_loader = cookbook_loader
else
@cookbook_loader = Chef::CookbookLoader.new()
end
@params = Hash.new
@@seen_recipes ||= Hash.new
end
def include_recipe(*args)
args.flatten.each do |recipe|
if @@seen_recipes.has_key?(recipe)
Chef::Log.debug("I am not loading #{recipe}, because I have already seen it.")
next
end
Chef::Log.debug("#{@@seen_recipes.inspect}")
@@seen_recipes[recipe] = true
rmatch = recipe.match(/(.+?)::(.+)/)
if rmatch
cookbook = @cookbook_loader[rmatch[1]]
cookbook.load_recipe(rmatch[2], @node, @collection, @definitions, @cookbook_loader)
else
cookbook = @cookbook_loader[recipe]
cookbook.load_recipe("default", @node, @collection, @definitions, @cookbook_loader)
end
end
end
def require_recipe(*args)
include_recipe(*args)
end
def resources(*args)
@collection.resources(*args)
end
def search(type, query, &block)
Chef::Log.debug("Searching #{type} index with #{query}")
r = Chef::REST.new(Chef::Config[:search_url])
results = r.get_rest("search/#{type}?q=#{query}")
Chef::Log.debug("Searching #{type} index with #{query} returned #{results.length} entries")
results.each do |sr|
block.call(sr)
end
end
# Sets a tag, or list of tags, for this node. Syntactic sugar for
# @node[:tags].
#
# With no arguments, returns the list of tags.
#
# === Parameters
# tags<Array>:: A list of tags to add - can be a single string
#
# === Returns
# tags<Array>:: The contents of @node[:tags]
def tag(*args)
if args.length > 0
args.each do |tag|
@node[:tags] << tag unless @node[:tags].include?(tag)
end
@node[:tags]
else
@node[:tags]
end
end
# Returns true if the node is tagged with the supplied list of tags.
#
# === Parameters
# tags<Array>:: A list of tags
#
# === Returns
# true<TrueClass>:: If all the parameters are present
# false<FalseClass>:: If any of the parameters are missing
def tagged?(*args)
args.each do |tag|
return false unless @node[:tags].include?(tag)
end
true
end
# Removes the list of tags from the node.
#
# === Parameters
# tags<Array>:: A list of tags
#
# === Returns
# tags<Array>:: The current list of @node[:tags]
def untag(*args)
args.each do |tag|
@node[:tags].delete(tag)
end
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)
# This dupes the high level object, but we still need to dup the params
new_def = @definitions[method_symbol].dup
new_def.params = new_def.params.dup
# This sets up the parameter overrides
new_def.instance_eval(&block) if block
new_recipe = Chef::Recipe.new(@cookbook_name, @recipe_name, @node, @collection, @definitions, @cookbook_loader)
new_recipe.params = new_def.params
new_recipe.params[:name] = args[0]
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
mn = method_name.match(/^(.+)_(.+)$/)
if mn
rname = "Chef::Resource::#{mn[1].capitalize}#{mn[2].capitalize}"
else
short_match = method_name.match(/^(.+)$/)
if short_match
rname = "Chef::Resource::#{short_match[1].capitalize}"
end
end
begin
args << @collection
args << @node
resource = eval(rname).new(*args)
resource.cookbook_name = @cookbook_name
resource.recipe_name = @recipe_name
resource.params = @params
resource.instance_eval(&block) if 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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