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#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# 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 File.join(File.dirname(__FILE__), "mixin", "params_validate")
require File.join(File.dirname(__FILE__), "mixin", "check_helper")
class Chef
class Resource
include Chef::Mixin::CheckHelper
include Chef::Mixin::ParamsValidate
attr_accessor :actions, :params, :provider, :updated, :allowed_actions, :collection, :cookbook_name, :recipe_name, :supports
attr_reader :resource_name, :source_line, :node
def initialize(name, collection=nil, node=nil)
@name = name
if collection
@collection = collection
else
@collection = Chef::ResourceCollection.new()
end
@node = node ? node : Chef::Node.new
@noop = nil
@before = nil
@actions = Hash.new
@params = Hash.new
@provider = nil
@allowed_actions = [ :nothing ]
@action = :nothing
@updated = false
@supports = {}
@source_line = caller(4).shift.gsub!(/^(.+):(.+):.+$/, '\1 line \2')
@source_line = ::File.expand_path(@source_line) if @source_line
end
def action(arg=nil)
if arg
action_list = arg.kind_of?(Array) ? arg : [ arg ]
action_list.each do |action|
validate(
{
:action => action,
},
{
:object => { :equal_to => @allowed_actions },
}
)
end
@action = action_list
else
@action
end
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
results = {
'json_class' => self.class.name,
'instance_vars' => instance_vars
}
results.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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