Upstart Script for Unicorn

unicorn.conf

description "Unicorn configuration"


start on filesystem
stop on shutdown


respawn


kill signal QUIT


script
  start-stop-daemon --start --chuid blue --chdir
/u/apps/blue-test-app/current --exec /usr/bin/bundle exec
unicorn_rails -- -c /u/apps/blue-test-app/shared/system/unicorn.cfg -E
production


  exists=0
  pidfile=/tmp/unicorn.master.pid
  oldpidfile=/tmp/unicorn.master.pid.oldbin


  while [ $exists -eq 0 ]
  do
    sleep 0.1


    (test -f $pidfile && pgrep -P $(cat $pidfile)) || (test -f
$oldpidfile && pgrep -P $(cat $oldpidfile))
    exists=$?
  done


  exec rm /tmp/unicorn.master.pid
  exec rm /tmp/unicorn.master.pid.oldbin


  exit 1
end script