# File lib/hiera/config.rb, line 8
    def load(source)
      @config = {:backends => "yaml",
                 :hierarchy => "common"}

      if source.is_a?(String)
        if File.exist?(source)
          config = YAML.load_file(source)
          @config.merge! config if config
        else
          raise "Config file #{source} not found"
        end
      elsif source.is_a?(Hash)
        @config.merge! source
      end

      @config[:backends] = [ @config[:backends] ].flatten

      if @config.include?(:logger)
        Hiera.logger = @config[:logger].to_s
      else
        @config[:logger] = "console"
        Hiera.logger = "console"
      end

      @config
    end