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Copy pathrun_list.rb
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157 lines (135 loc) · 4.04 KB
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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008, 2009 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/mixin/deep_merge'
class Chef
class RunList
include Enumerable
attr_reader :recipes, :roles, :run_list
def initialize
@run_list = Array.new
@recipes = Array.new
@roles = Array.new
end
def <<(item)
type, entry, fentry = parse_entry(item)
case type
when 'recipe'
@recipes << entry unless @recipes.include?(entry)
when 'role'
@roles << entry unless @roles.include?(entry)
end
@run_list << fentry unless @run_list.include?(fentry)
self
end
def ==(*isequal)
check_array = nil
if isequal[0].kind_of?(Chef::RunList)
check_array = isequal[0].run_list
else
check_array = isequal.flatten
end
return false if check_array.length != @run_list.length
check_array.each_index do |i|
to_check = check_array[i]
type, name, fname = parse_entry(to_check)
return false if @run_list[i] != fname
end
true
end
def empty?
@run_list.length == 0 ? true : false
end
def [](pos)
@run_list[pos]
end
def []=(pos, item)
type, entry, fentry = parse_entry(item)
@run_list[pos] = fentry
end
def each(&block)
@run_list.each { |i| block.call(i) }
end
def each_index(&block)
@run_list.each_index { |i| block.call(i) }
end
def include?(item)
type, entry, fentry = parse_entry(item)
@run_list.include?(fentry)
end
def reset(*args)
@run_list = Array.new
@recipes = Array.new
@roles = Array.new
args.flatten.each do |item|
if item.kind_of?(Chef::RunList)
item.each { |r| self << r }
else
self << item
end
end
self
end
def remove(item)
type, entry, fentry = parse_entry(item)
@run_list.delete_if { |i| i == fentry }
if type == "recipe"
@recipes.delete_if { |i| i == entry }
elsif type == "role"
@roles.delete_if { |i| i == entry }
end
self
end
def expand(from='server')
couchdb = Chef::CouchDB.new
recipes = Array.new
default_attrs = Mash.new
override_attrs = Mash.new
@run_list.each do |entry|
type, name, fname = parse_entry(entry)
case type
when 'recipe'
recipes << name unless recipes.include?(name)
when 'role'
role = nil
if from == 'disk' || Chef::Config[:solo]
# Load the role from disk
role = Chef::Role.from_disk("#{name}")
elsif from == 'server'
# Load the role from the server
r = Chef::REST.new(Chef::Config[:role_url])
role = r.get_rest("roles/#{name}")
elsif from == 'couchdb'
# Load the role from couchdb
role = Chef::Role.cdb_load(name)
end
role.recipes.each { |r| recipes << r unless recipes.include?(r) }
default_attrs = Chef::Mixin::DeepMerge.merge(default_attrs, role.default_attributes)
override_attrs = Chef::Mixin::DeepMerge.merge(override_attrs, role.override_attributes)
end
end
return recipes, default_attrs, override_attrs
end
def parse_entry(entry)
case entry
when /^(.+)\[(.+)\]$/
[ $1, $2, entry ]
else
[ 'recipe', entry, "recipe[#{entry}]" ]
end
end
end
end