Init Scripts for Running mail_room

Example /etc/init.d

By @matte

#!/bin/bash
#
# mail_room start up script to listen to imap for requests

# Source function library.
. /etc/rc.d/init.d/functions

prog=mail_room

start() {
          # see if running
          local pids=$(pgrep $prog)

          if [ -n "$pids" ]; then
            echo "$prog (pid $pids) is already running"
            return 0
          fi
                
        echo -n $"Starting $prog: "
        cd /var/www/r4/current/
				# note RVM wrapper is required to load gems and mail_room script
				# http://rvm.io/deployment/init-d
				# nohup allows the script to run in a detached shell
        nohup /usr/local/rvm/wrappers/mail_room/bundle exec mail_room -c /var/www/r4/current/config/mailbox.yml &> /var/www/r4/current/log/mail_room.log &
        RETVAL=$?
        PID=$!
        echo $PID > /tmp/mail_room.pid
        return $RETVAL
}

stop() {
  echo -n $"Stopping $prog: "
  kill -15 $(cat /tmp/mail_room.pid) && rm -f /tmp/mail_room.pid

  RETVAL=$?

  return $RETVAL
}

reload() {
    stop
        start
}

# See how we were called.
case "$1" in
  start)
                start
                ;;
  stop)
                stop
                ;;
  status)
    status $prog
                RETVAL=$?
        ;;
  restart)
                stop
                start
        ;;
  *)
        echo $"Usage: $prog {start|stop|restart}"
        RETVAL=2
esac

exit $RETVAL

Upstart with chruby Example

# /etc/init/mail_room.conf
description "mail_room process"

# change to the user you want to run this ruby script as
setuid deploy
setgid deploy

# This starts upon bootup and stops on shutdown
# check runlevel of running system with `runlevel` command
start on runlevel [2345]
stop on runlevel [06]

# controls for respawning this process if it dies
respawn # yes, we want this to respawn
respawn limit 1 30 # only try 1x to respawn in 30 seconds

# change to the directory you want to run mail_room from
chdir /some/directory/

script
# give us a login shell to load rbenv/chruby, YMMV
exec /bin/bash -l <<EOT
  export HOME="$(eval echo ~$(id -un))"

  source /usr/local/share/chruby/chruby.sh
  chruby 2.2.0 # change this to your ruby version!

  # you may not need 'bundle exec' depending on your gem installation
  exec bundle exec mail_room -c /path/to/config.yml
EOT
end script