NodePAMasterless version of the planetary annihilation init.d script

planetary

#!/bin/bash
# /etc/init.d/planetary
# version 0.0.3 2015-04-25 (YYYY-MM-DD)
# caveat emptor, don't copy and paste and just hope it'll work, READ AND COMPREHEND.

### BEGIN INIT INFO
# Provides:   planetary
# Required-Start: $local_fs $remote_fs
# Required-Stop:  $local_fs $remote_fs
# Should-Start:   $network
# Should-Stop:    $network
# Default-Start:  2 3 4 5
# Default-Stop:   0 1 6
# Short-Description:    planetary annihilation server
# Description:    Starts the planetary annihilation server
### END INIT INFO

#Settings
#set this a word out of the server's name as specified below, do not put in spaces, just one word or pgrep will be unhappy.
#this just helps the script to find the server process itself via its name, for status monitoring.
#using "server" as the value is a bad idea, it will catch ssh as it has the word "server" in the process name.
SERVICE='GOAT'
#this is the user the server is running under
USERNAME='planetary'
#full path to he server executable
PAPATH="/home/planetary/.local/Uber Entertainment/Planetary Annihilation/stable/"
#server invocation command
INVOCATION="./server --headless --game-mode Config --allow-lan --server-name GOAT Squad Private --port 20545"
ME=$(whoami)

as_user() {
  if [ "$ME" == $USERNAME ] ; then
    bash -c "$1"
  else
    su - $USERNAME -c "$1"
  fi
}

pa_start() {
  if  pgrep -u $USERNAME -f "${SERVICE}" > /dev/null
  then
    echo "$SERVICE is already running!"
  else
    echo "Starting $SERVICE..."
    cd "${PAPATH}"
    as_user "cd '${PAPATH}' && screen -dmS planetary while true; do sleep 1; if pgrep -u \"$USERNAME\" -f \"$SERVICE\"; then echo \"Planetary Annihilation: Stopped. Restarting in 1 second.\"; else \"$INVOCATION\" & fi; done"
    sleep 2
    if pgrep -u $USERNAME -f "${SERVICE}" > /dev/null
    then
      echo "$SERVICE is now running."
    else
      echo "Error! Could not start $SERVICE!"
    fi
  fi
}

pa_stop() {
  if pgrep -u $USERNAME -f "${SERVICE}" > /dev/null
  then
    echo "Stopping $SERVICE"
    as_user "screen -p 0 -S planetary -X quit"
  else
    echo "$SERVICE was not running."
  fi
  if pgrep -u $USERNAME -f "${SERVICE}" > /dev/null
  then
    echo "Error! $SERVICE could not be stopped."
  else
    echo "$SERVICE is stopped."
  fi
}

pa_update() {
  if pgrep -u $USERNAME -f "${SERVICE}" > /dev/null
  then
    echo "$SERVICE is running! Will not start update."
  else
    echo "TODO: Update Script"
  fi
}

#Start-Stop here
case "$1" in
  start)
    pa_start
    ;;
  stop)
    pa_stop
    ;;
  restart)
    pa_stop
    pa_start
    ;;
  update)
    pa_stop
    pa_update
    pa_start
    ;;
  status)
    if pgrep -u $USERNAME -f "${SERVICE}" > /dev/null
    then
      echo "$SERVICE is running."
    else
      echo "$SERVICE is not running."
    fi
    ;;

  *)
  echo "Usage: /etc/init.d/planetary {start|stop|update|status|restart}"
  exit 1
  ;;
esac

exit 0