rbenv + unicorn の init スクリプト

etc_init.d_unicorn

#!/bin/sh

#chkconfig:2345 85 70
#description:unicorn shell

NAME="Unicorn"
ENV=production
USER="root"

ROOT_DIR="/opt/rails/[PROJECT_NAME]"
APP_DIR="${ROOT_DIR}/current"

GEMFILE="${APP_DIR}/Gemfile"
CONF="${APP_DIR}/config/unicorn.rb"
PID="${ROOT_DIR}/shared/tmp/pids/unicorn.pid"
OPTIONS=""

start()
{
  if [ -e $PID ]; then
    echo "$NAME already started"
    exit 1
  fi
  echo "start $NAME"
  cd $ROOT_DIR
  su - ${USER} -c "cd ${APP_DIR} && rbenv rehash && rbenv local `cat ${APP_DIR}/.ruby-version` && BUNDLE_GEMFILE=${GEMFILE} bundle exec unicorn -c ${CONF} -E ${ENV} -D ${OPTIONS}"
}

stop()
{
  if [ ! -e $PID ]; then
    echo "$NAME not started"
    exit 1
  fi
  echo "stop $NAME"
  kill -QUIT `cat ${PID}`
}

force_stop()
{
  if [ ! -e $PID ]; then
    echo "$NAME not started"
    exit 1
  fi
  echo "stop $NAME"
  kill -INT `cat ${PID}`
}

restart()
{
    stop
    sleep 3
    start
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  force-stop)
    force_stop
    ;;
  restart)
    restart
    ;;
  *)
    echo "Syntax Error: release [start|stop|force-stop|restart]"
    ;;
esac