Sysvinit script sample

rc_script_sample.sh

#!/bin/sh
### BEGIN INIT INFO
# Provides:          gunicorn_scweb
# Required-Start:    $network $local_fs
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: SimpleCounter Web
# Description:       Yumemi Inc.
#### END INIT INFO

NAME=gunicorn_scweb
USER=simplecount
DEPLOY_DIR="/var/lib/simple_count/simple_counter_web"
CMD="${DEPLOY_DIR}/venv/bin/gunicorn_django"
CMD_ARGS="-c /etc/gunicorn/simple_counter.py -u $USER scweb"

########## Common
PATH=/sbin:/bin:/usr/sbin:/usr/bin:$PATH
SSD=start-stop-daemon
PID=/var/run/${NAME}.pid

start () {
    echo -n "Start $NAME"
    . $DEPLOY_DIR/venv/bin/activate
    $SSD --start --pidfile $PID --make-pidfile --background -d $DEPLOY_DIR/scweb --exec $CMD -- $CMD_ARGS
    RETVAL=$?
    echo
    return $RETVAL
}

stop () {
    echo -n "Stop $NAME"
    $SSD --stop --oknodo --pidfile $PID
    RETVAL=$?
    echo
    return $RETVAL
}

restart () {
    stop
    sleep 1
    start
}

case "$1" in
start)
    start
    ;;

stop)
    stop
    ;;

status)
    echo "not supported"
    ;;

restart)
    restart
    ;;

*)
    echo "Usage: $0 {start|stop|restart}"
    exit 1
esac

exit $RETVAL