def log_level(level)
      levels = { :debug => 0, :info => 1, :warn => 2, :error => 3, :fatal => 4 }

      unless levels.include? level
        raise ArgumentError, "Invalid log level: #{level.inspect}\n" \
                             "Expected one of: #{levels.keys.inspect}"
      end

      @options[:logger].level = levels[level]
    end
def log_level(level)
      levels = { :debug => 0, :info => 1, :warn => 2, :error => 3, :fatal => 4 }

      unless levels.include? level
        raise ArgumentError, "Invalid log level: #{level.inspect}\n" \
                             "Expected one of: #{levels.keys.inspect}"
      end

      @options[:logger].level = levels[level]
    end
Changes the Logger's log level.