Chef solo compile attribute

compile.rb

require 'mixlib/cli'

require "chef"
require "chef/config"
require "chef/config_fetcher"
require 'chef/workstation_config_loader'

class MyCLI
  include Mixlib::CLI

  option :config_file,
    short:       "-c CONFIG",
    long:        "--config CONFIG",
    description: "The configuration file to use"
  option :json_attribs,
    short:       "-j JSON_ATTRIBS",
    long:        "--json-attributes JSON_ATTRIBS",
    description: "Load attributes from a JSON file or URL"

  def run(argv=ARGV)
    parse_options(argv)
  end
end


def cli
        @cli ||= MyCLI.new
end

cli.run

Chef::Config[:solo] = true
config_fetcher = Chef::ConfigFetcher.new(cli.config[:json_attribs])
@json_attribs = config_fetcher.fetch_json
Chef::WorkstationConfigLoader.new(cli.config[:config_file]).load
Chef::Config.merge!(cli.config)
node = Chef::Node.new
node.consume_attributes(@json_attribs)
expansion = node.run_list.expand(node.environment, data_source="disk")
node.apply_expansion_attributes(expansion)
puts Chef::JSONCompat.to_json_pretty(node.each_attribute.to_h)