log_rotate.rb

#
# log rotatation
#
# script/runner & cron で実行する

SERVER_PID = configatron.server.pid
ACCESS_LOG = configatron.server.access_log
ACCESS_LOG_STRFTIME = configatron.server.access_log_strftime
RAILS_LOG = configatron.server.rails_log
RAILS_LOG_STRFTIME = configatron.server.rails_log_strftime

File.umask(0000)

pid = File.read(SERVER_PID).to_i rescue nil

def rotate(src, dst)
 if FileTest.exist?(src)
   if !FileTest.exist?(dst)
     File.rename(src, dst)
   end
 end
end

rotate(ACCESS_LOG, 1.day.ago.strftime(ACCESS_LOG_STRFTIME))
rotate(RAILS_LOG, 1.day.ago.strftime(RAILS_LOG_STRFTIME))

Process.kill(:USR1, pid) if pid

system("touch", "#{RAILS_ROOT}/tmp/restart.txt")