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#
# Author:: Lamont Granquist (<lamont@chef.io>)
# Copyright:: Copyright 2015-2017, 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.
#
# NOTE: this was extracted from the Recipe DSL mixin, relevant specs are in spec/unit/recipe_spec.rb
class Chef
class ResourceBuilder
attr_reader :type
attr_reader :name
attr_reader :created_at
attr_reader :params
attr_reader :run_context
attr_reader :cookbook_name
attr_reader :recipe_name
attr_reader :enclosing_provider
attr_reader :resource
# FIXME (ruby-2.1 syntax): most of these are mandatory
def initialize(type: nil, name: nil, created_at: nil, params: nil, run_context: nil, cookbook_name: nil, recipe_name: nil, enclosing_provider: nil)
@type = type
@name = name
@created_at = created_at
@params = params
@run_context = run_context
@cookbook_name = cookbook_name
@recipe_name = recipe_name
@enclosing_provider = enclosing_provider
end
def build(&block)
raise ArgumentError, "You must supply a name when declaring a #{type} resource" if name.nil?
@resource = resource_class.new(name, run_context)
if resource.resource_name.nil?
raise Chef::Exceptions::InvalidResourceSpecification, "#{resource}.resource_name is `nil`! Did you forget to put `provides :blah` or `resource_name :blah` in your resource class?"
end
resource.source_line = created_at
resource.declared_type = type
resource.cookbook_name = cookbook_name
resource.recipe_name = recipe_name
# Determine whether this resource is being created in the context of an enclosing Provider
resource.enclosing_provider = enclosing_provider
# XXX: this is required for definition params inside of the scope of a
# subresource to work correctly.
resource.params = params
# Evaluate resource attribute DSL
if block_given?
resource.resource_initializing = true
begin
resource.instance_eval(&block)
ensure
resource.resource_initializing = false
end
end
# Run optional resource hook
resource.after_created
resource
end
private
def resource_class
# Checks the new platform => short_name => resource mapping initially
# then fall back to the older approach (Chef::Resource.const_get) for
# backward compatibility
@resource_class ||= Chef::Resource.resource_for_node(type, run_context.node)
end
end
end
require "chef/exceptions"
require "chef/resource"
require "chef/log"
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