unicorn init script

gistfile1.sh

#!/bin/sh

### BEGIN INIT INFO
# Provides:          unicorn
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the unicorn web server
# Description:       starts unicorn
### END INIT INFO

DAEMON=/usr/local/bin/unicorn_rails
DAEMON_OPTS="-c /path/to/unicorn.conf.rb -E production -D"
NAME=unicorn_rails
DESC=unicorn_rails
PID=/path/to/unicorn.pid
OLDPID="$PID.oldbin"

sig () {
    test -s "$PID" && kill -$1 `cat $PID`
}

oldsig () {
    test -s $OLDPID && kill -$1 `cat $OLDPID`
}

case "$1" in
  start)
    echo -n "Starting $DESC: "
    $DAEMON $DAEMON_OPTS
    echo "$NAME."
    ;;
  stop)
    echo -n "Stopping $DESC: "
    sig QUIT
    echo "$NAME."
    ;;
  restart)
    echo -n "Restarting $DESC: "
    sig QUIT
    sleep 1
    $DAEMON $DAEMON_OPTS
    echo "$NAME."
    ;;
  reload)
        echo -n "Reloading $DESC code: "
        sig USR2
        echo "$NAME."
        ;;
  reopen-logs)
        echo -n "Reopening $DESC logs: "
        sig USR1
        echo "$NAME."
        ;;

  *)
    echo "Usage: $NAME {start|stop|restart|reload|reopen-logs}" >&2
    exit 1
    ;;
esac

exit 0