#!/bin/sh ### BEGIN INIT INFO # Provides: unicorn # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Manage unicorn server # Description: Start, stop, restart unicorn server for a specific application. ### END INIT INFO set -e
# Feel free to change any of the following variables for your app: TIMEOUT=${TIMEOUT-60} APP_ROOT=“/home/EXAMPLE_USER/railsProjects/current/ww” PID=$APP_ROOT/tmp/pids/unicorn.pid CMD=“cd $APP_ROOT; bundle exec unicorn -p 3000 -D -c $APP_ROOT/config/unicorn.rb -E production” AS_USER=EXAMPLE_USER set -u
OLD_PIN=“$PID.oldbin”
sig () {
test -s "$PID" && kill -$1 `cat $PID`
}
oldsig () {
test -s $OLD_PIN && kill -$1 `cat $OLD_PIN`
}
run () {
if [ "$(id -un)" = "$AS_USER" ]; then eval $1 else su -c "$1" - $AS_USER fi
}
case “$1” in start)
sig 0 && echo >&2 "Already running" && exit 0 run "$CMD" ;;
stop)
sig QUIT && exit 0 echo >&2 "Not running" ;;
force-stop)
sig TERM && exit 0 echo >&2 "Not running" ;;
restart|reload)
sig HUP && echo reloaded OK && exit 0 echo >&2 "Couldn't reload, starting '$CMD' instead" run "$CMD" ;;
upgrade)
if sig USR2 && sleep 2 && sig 0 && oldsig QUIT then n=$TIMEOUT while test -s $OLD_PIN && test $n -ge 0 do printf '.' && sleep 1 && n=$(( $n - 1 )) done echo if test $n -lt 0 && test -s $OLD_PIN then echo >&2 "$OLD_PIN still exists after $TIMEOUT seconds" exit 1 fi exit 0 fi echo >&2 "Couldn't upgrade, starting '$CMD' instead" run "$CMD" ;;
reopen-logs)
sig USR1 ;;
*)
echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>" exit 1 ;;
esac