qserver_daemon

#! /bin/sh
### BEGIN INIT INFO
# Provides:          queue
# Required-Start:    networking
# Required-Stop:     networking
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start the queue server.
# Description:
### END INIT INFO


### start qserver automatically at boot:
### place this file into /etc/init.d, then
### sudo update-rc.d qserver_daemon defaults

### TODO: adjust these values to your needs
### QSERVER EXECUTABLE ###
QSERVER_EXECUTABLE=/home/richard/pyqueue/queue/qserver
### QSERVER OPTIONS    ###
DEVICE_IDS="0,1"            # Cuda device ids, set to empty string if no GPUs available
THREADS=8                   # number of available threads
MEMORY=30000                # available memory in mb
ABORT_ON_TIME_LIMIT="true"  # abort jobs if time limit is exceeded?
PORT=1234                   # port the server listens on
##########################


DAEMON_OPTS="--gpus=$DEVICE_IDS --threads=$THREADS --memory=$MEMORY --port=$PORT"
if [ "$ABORT_ON_TIME_LIMIT" = "true" ]; then
    DAEMON_OPTS="$DAEMON_OPTS --abort_on_time_limit"
fi


# Using the lsb functions to perform the operations.
. /lib/lsb/init-functions
# Process name ( For display )
NAME=qserverd
# Daemon name, where is the actual executable
DAEMON=$QSERVER_EXECUTABLE
# pid file for the daemon
PIDFILE=/var/run/qserverd.pid


test -x $DEAMON || exit 1

case "$1" in
  start)
    if [ -e $PIDFILE ]; then
      status_of_proc -p $PIDFILE $DAEMON "$NAME process" && status="0" || status="$?"
      if [ $status = "0" ]; then
          exit
      fi
    fi
    # start qserverd
    log_daemon_msg "Starting the process" "$NAME"
    if start-stop-daemon --start -b --make-pidfile --quiet --oknodo --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_OPTS ; then
        log_end_msg 0
    else
        log_end_msg 1
    fi
    ;;
  stop)
    # stop qserverd
    if [ -e $PIDFILE ]; then
      status_of_proc -p $PIDFILE $DAEMON "Stopping the $NAME process" && status="0" || status="$?"
      if [ "$status" = 0 ]; then
        start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
        /bin/rm -rf $PIDFILE
      fi
    else
      log_daemon_msg "$NAME process is not running"
      log_end_msg 0
    fi
	;;
  restart)
    $0 stop && sleep 2 && $0 start
    ;;
  status)
    if [ -e $PIDFILE ]; then
      status_of_proc -p $PIDFILE $DAEMON "$NAME process" && exit 0 || exit $?
    else
      log_daemon_msg "$NAME Process is not running"
      log_end_msg 0
    fi
    ;;
  reload)
    if [ -e $PIDFILE ]; then
      start-stop-daemon --stop --signal USR1 --quiet --pidfile $PIDFILE --name $NAME
      log_success_msg "$NAME process reloaded successfully"
    else
      log_failure_msg "$PIDFILE does not exists"
    fi
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|reload|status}"
	exit 2
	;;
esac

: