Init.d script for node-red

node-red

#! /bin/sh

### BEGIN INIT INFO
# Provides:             node-red
# Required-Start:       $remote_fs $syslog
# Required-Stop:        $remote_fs $syslog
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    start node-red server at init
### END INIT INFO

# Single command inspired by https://gist.github.com/Belphemur/cf91100f81f2b37b3e94
# Can be downloaded and installed in one go by using this command
# sudo wget -O /tmp/download https://gist.github.com/DanEdens/2ad194a6f08ac2f189c67e989aeba0dd/download && sudo tar -zxf /tmp/download --strip-components 1 -C /etc/init.d && sudo chmod +x /etc/init.d/node-red && sudo update-rc.d node-red defaults

set -e
NAME=node-red
USER=root
USER_DIR=/home/ubuntu/.node-red/
PIDFILE=/var/run/node-red.pid
DAEMON=/usr/local/bin/node-red
LOG='/var/log/node-red.log'

# /etc/init.d/node-red: start and stop the node-red server

test -x ${DAEMON} || exit 0

umask 022

. /lib/lsb/init-functions

run_by_init() {
    ([ "$previous" ] && [ "$runlevel" ]) || [ "$runlevel" = S ]
}

start_daemon (){
    if start-stop-daemon --start -v --user ${USER} --oknodo --background  \
         --name ${NAME}  --make-pidfile --pidfile ${PIDFILE} \
         --exec ${DAEMON} -- -s /.node-red/settings.js >> $LOG; then 
        log_end_msg 0
    else
        log_end_msg 1
    fi
}

export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"

case "$1" in
  start)
        if init_is_upstart; then
            exit 1
        fi
        log_daemon_msg "Starting network daemon:" "$NAME"
        start_daemon

        ;;
  stop)
        if init_is_upstart; then
            exit 0
        fi
        log_daemon_msg "Stopping network daemon:" "$NAME"
        if start-stop-daemon --stop --oknodo --pidfile ${PIDFILE}; then
            log_end_msg 0
            rm -f ${PIDFILE}
        else
            log_end_msg 1
        fi
        ;;


  reload|force-reload)
        if init_is_upstart; then
            exit 1
        fi
        log_daemon_msg "Reloading network daemon configuration:" "$NAME"
        if start-stop-daemon --stop --signal HUP --quiet --oknodo --pidfile $PIDFILE; then
            log_end_msg 0
        else
            log_end_msg 1
        fi
        ;;

  restart)
        if init_is_upstart; then
            exit 1
        fi
        log_daemon_msg "Restarting network daemon:" "node-red"
        if start-stop-daemon --stop --quiet --oknodo --retry 30 --pidfile ${PIDFILE}; then
            rm -f ${PIDFILE}
        fi
        start_daemon
        ;;

  try-restart)
        if init_is_upstart; then
            exit 1
        fi
        log_daemon_msg "Restarting Node-red Server" "node-red"
        set +e
        start-stop-daemon --stop --quiet --retry 30 --pidfile ${PIDFILE}
        RET="$?"
        set -e
        case $RET in
            0)
                # old daemon stopped
                rm -f ${PIDFILE}
                start_daemon
                ;;
            1)
                # daemon not running
                log_progress_msg "(not running)"
                log_end_msg 0
                ;;
            *)
                # failed to stop
                log_progress_msg "(failed to stop)"
                log_end_msg 1
                ;;
        esac
        ;;

  status)
        if init_is_upstart; then
            exit 1
        fi
        status_of_proc -p ${PIDFILE} ${DAEMON} node-red && exit 0 || exit $?
        ;;

  *)
        log_action_msg "Usage: /etc/init.d/node-red {start|stop|reload|force-reload|restart|try-restart|status}"
        exit 1
esac

exit 0