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Copy pathrun_list.rb
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165 lines (135 loc) · 4.61 KB
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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Author:: Nuo Yan (<nuoyan@opscode.com>)
# Author:: Tim Hinderliter (<tim@opscode.com>)
# Author:: Christopher Walters (<cw@opscode.com>)
# Author:: Seth Falcon (<seth@opscode.com>)
# Copyright:: Copyright (c) 2008-2011 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/run_list/run_list_item'
require 'chef/run_list/run_list_expansion'
require 'chef/run_list/versioned_recipe_list'
require 'chef/mixin/params_validate'
class Chef
class RunList
include Enumerable
include Chef::Mixin::ParamsValidate
# @run_list_items is an array of RunListItems that describe the items to
# execute in order. RunListItems can load from and convert to the string
# forms users set on roles and nodes.
# For example:
# @run_list_items = ['recipe[foo::bar]', 'role[webserver]']
# Thus,
# self.role_names would return ['webserver']
# self.recipe_names would return ['foo::bar']
attr_reader :run_list_items
# For backwards compat
alias :run_list :run_list_items
def initialize(*run_list_items)
@run_list_items = run_list_items.map { |i| coerce_to_run_list_item(i) }
end
def role_names
@run_list_items.inject([]){|memo, run_list_item| memo << run_list_item.name if run_list_item.role? ; memo}
end
alias :roles :role_names
def recipe_names
@run_list_items.inject([]){|memo, run_list_item| memo << run_list_item.name if run_list_item.recipe? ; memo}
end
alias :recipes :recipe_names
# Add an item of the form "recipe[foo::bar]" or "role[webserver]";
# takes a String or a RunListItem
def <<(run_list_item)
run_list_item = coerce_to_run_list_item(run_list_item)
@run_list_items << run_list_item unless @run_list_items.include?(run_list_item)
self
end
alias :push :<<
def ==(other)
if other.kind_of?(Chef::RunList)
other.run_list_items == @run_list_items
else
return false unless other.respond_to?(:size) && (other.size == @run_list_items.size)
other_run_list_items = other.dup
other_run_list_items.map! { |item| coerce_to_run_list_item(item) }
other_run_list_items == @run_list_items
end
end
def to_s
@run_list_items.join(", ")
end
def to_json(*args)
to_a.to_json(*args)
end
def empty?
@run_list_items.length == 0 ? true : false
end
def [](pos)
@run_list_items[pos]
end
def []=(pos, item)
@run_list_items[pos] = parse_entry(item)
end
def each(&block)
@run_list_items.each { |i| block.call(i) }
end
def each_index(&block)
@run_list_items.each_index { |i| block.call(i) }
end
def include?(item)
@run_list_items.include?(parse_entry(item))
end
def reset!(*args)
@run_list_items.clear
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)
@run_list_items.delete_if{|i| i == item}
self
end
alias :delete :remove
# Expands this run_list: recursively expand roles into their included
# recipes.
# Returns a RunListExpansion object.
def expand(environment, data_source='server', expansion_opts={})
expansion = expansion_for_data_source(environment, data_source, expansion_opts)
expansion.expand
expansion
end
# Converts a string run list entry to a RunListItem object.
def parse_entry(entry)
RunListItem.new(entry)
end
def coerce_to_run_list_item(item)
item.kind_of?(RunListItem) ? item : parse_entry(item)
end
def expansion_for_data_source(environment, data_source, opts={})
case data_source.to_s
when 'disk'
RunListExpansionFromDisk.new(environment, @run_list_items)
when 'server'
RunListExpansionFromAPI.new(environment, @run_list_items, opts[:rest])
when 'couchdb'
RunListExpansionFromCouchDB.new(environment, @run_list_items, opts[:couchdb])
end
end
end
end