colorize your chef solo output (put in libraries)

mixlib_log_monkey_patch.rb

require "mixlib/log/formatter"

module Mixlib
  module Log
    class Formatter < Logger::Formatter
      # Prints a log message as '[time] severity: message' if Chef::Log::Formatter.show_time == true.
      # Otherwise, doesn't print the time.
      def call(severity, time, progname, msg)
        if @@show_time
          reset = "\033[0m"
          color = case severity
          when "FATAL"
            "\033[1;41m" # Bright Red
          when "ERROR"
            "\033[31m" # Red
          when "WARN"
            "\033[33m" # Yellow
          when "DEBUG"
            "\033[2;37m" # Faint Gray
          else
            reset # Normal
          end
          sprintf("[%s] #{color}%s#{reset}: %s\n", time.iso8601(), severity, msg2str(msg))
        else
          sprintf("%s: %s\n", severity, msg2str(msg))
        end
      end
    end
  end
end