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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", "params_validate")
require File.join(File.dirname(__FILE__), "mixin", "check_helper")
require 'yaml'
class Chef
class Resource
include Chef::Mixin::CheckHelper
include Chef::Mixin::ParamsValidate
attr_accessor :actions, :params, :provider, :updated, :allowed_actions
attr_reader :resource_name, :collection, :source_line
def initialize(name, collection=nil)
@name = name
if collection
@collection = collection
else
@collection = Chef::ResourceCollection.new()
end
@noop = nil
@before = nil
@actions = Hash.new
@params = Hash.new
@provider = nil
@allowed_actions = [ :nothing ]
@action = :nothing
@updated = false
@source_line = caller(4).shift.gsub!(/^(.+):(.+):.+$/, '\1 line \2')
end
def action(arg=nil)
arg = arg.to_sym if arg
set_or_return(
:action,
arg,
:equal_to => @allowed_actions
)
end
def name(name=nil)
set_if_args(@name, name) do
raise ArgumentError, "name must be a string!" unless name.kind_of?(String)
@name = name
end
end
def noop(tf=nil)
set_if_args(@noop, tf) do
raise ArgumentError, "noop must be true or false!" unless tf == true || tf == false
@noop = tf
end
end
def notifies(action, resources, timing=:delayed)
timing = check_timing(timing)
rarray = resources.kind_of?(Array) ? resources : [ resources ]
rarray.each do |resource|
action_sym = action.to_sym
if @actions.has_key?(action_sym)
@actions[action_sym][timing] << resource
else
@actions[action_sym] = Hash.new
@actions[action_sym][:delayed] = Array.new
@actions[action_sym][:immediate] = Array.new
@actions[action_sym][timing] << resource
end
end
true
end
def resources(*args)
@collection.resources(*args)
end
def subscribes(action, resources, timing=:delayed)
timing = check_timing(timing)
rarray = resources.kind_of?(Array) ? resources : [ resources ]
rarray.each do |resource|
action_sym = action.to_sym
if resource.actions.has_key?(action_sym)
resource.actions[action_sym][timing] << self
else
resource.actions[action_sym] = Hash.new
resource.actions[action_sym][:delayed] = Array.new
resource.actions[action_sym][:immediate] = Array.new
resource.actions[action_sym][timing] << self
end
end
true
end
def is(*args)
return *args
end
def to_s
"#{@resource_name}[#{@name}]"
end
# Serialize this object as a hash
def to_json(*a)
instance_vars = Hash.new
self.instance_variables.each do |iv|
instance_vars[iv] = self.instance_variable_get(iv) unless iv == "@collection"
end
{
'json_class' => self.class.name,
'instance_vars' => instance_vars
}.to_json(*a)
end
def self.json_create(o)
resource = self.new(o["instance_vars"]["@name"])
o["instance_vars"].each do |k,v|
resource.instance_variable_set(k.to_sym, v)
end
resource
end
private
def check_timing(timing)
unless timing == :delayed || timing == :immediate || timing == :immediately
raise ArgumentError, "Timing must be :delayed or :immediate(ly), you said #{timing}"
end
if timing == :immediately
timing = :immediate
end
timing
end
end
end
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