require "chef/application" require "chef/chef_fs/path_utils" require "chef/http/simple" require "chef/json_compat" class Chef class ConfigFetcher attr_reader :config_location def initialize(config_location) @config_location = config_location end def expanded_path if config_location.nil? || remote_config? config_location else File.expand_path(config_location) end end def fetch_json config_data = read_config begin Chef::JSONCompat.from_json(config_data) rescue Chef::Exceptions::JSON::ParseError => error Chef::Application.fatal!("Could not parse the provided JSON file (#{config_location}): " + error.message) end end def read_config if remote_config? fetch_remote_config else read_local_config end end def fetch_remote_config http.get("") rescue SocketError, SystemCallError, Net::HTTPServerException => error Chef::Application.fatal!("Cannot fetch config '#{config_location}': '#{error.class}: #{error.message}") end def read_local_config ::File.read(config_location) rescue Errno::ENOENT Chef::Application.fatal!("Cannot load configuration from #{config_location}") rescue Errno::EACCES Chef::Application.fatal!("Permissions are incorrect on #{config_location}. Please chmod a+r #{config_location}") end def config_missing? return false if remote_config? # Check if the config file exists Pathname.new(config_location).realpath.to_s false rescue Errno::ENOENT return true end def http Chef::HTTP::Simple.new(config_location) end def remote_config? !!(config_location =~ %r{^(http|https)://}) end end end