simple ruby threadsafe logger

logger.rb

# Usage:
# DebugTools::Logger.log(String)

require 'fileutils'

module DebugTools
  class Logger
    def self.log(message)
      FileUtils.touch(path) unless File.exist?(path)

      lock(path) do |file|
        file.puts(message)
      end
    end

    def self.lock(path, &block)
      File.open(path, 'a') do | file |
        file.flock(File::LOCK_EX)
        block.call(file)
        file.flock(File::LOCK_UN)
      end
    end

    def self.path
      "#{Rails.root}/log/debugtools.log"
    end
  end
end