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#
# Author:: John Keiser (<jkeiser@chef.io)
# Copyright:: Copyright 2015-2018, Chef Software 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_relative "../provider"
require_relative "../exceptions"
require_relative "../dsl/recipe"
class Chef
class Resource
class ActionClass < Chef::Provider
include Chef::DSL::Recipe
def to_s
"#{new_resource || "<no resource>"} action #{action ? action.inspect : "<no action>"}"
end
#
# If load_current_value! is defined on the resource, use that.
#
def load_current_resource
if new_resource.respond_to?(:load_current_value!)
# dup the resource and then reset desired-state properties.
current_resource = new_resource.dup
# We clear desired state in the copy, because it is supposed to be actual state.
# We keep identity properties and non-desired-state, which are assumed to be
# "control" values like `recurse: true`
current_resource.class.properties.each_value do |property|
if property.desired_state? && !property.identity? && !property.name_property?
property.reset(current_resource)
end
end
# Call the actual load_current_value! method. If it raises
# CurrentValueDoesNotExist, set current_resource to `nil`.
begin
# If the user specifies load_current_value do |desired_resource|, we
# pass in the desired resource as well as the current one.
if current_resource.method(:load_current_value!).arity > 0
current_resource.load_current_value!(new_resource)
else
current_resource.load_current_value!
end
rescue Chef::Exceptions::CurrentValueDoesNotExist
current_resource = nil
end
end
@current_resource = current_resource
end
# @todo: remove in Chef-15
def self.include_resource_dsl?
true
end
class << self
#
# The Chef::Resource class this ActionClass was declared against.
#
# @return [Class] The Chef::Resource class this ActionClass was declared against.
#
attr_accessor :resource_class
end
def self.to_s
"#{resource_class} action provider"
end
def self.inspect
to_s
end
end
end
end
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