bungeecord.sh

#!/bin/bash
 # /etc/init.d/bungeecord
 
 ### BEGIN INIT INFO
 # Provides:   bungeecord
 # Required-Start: $local_fs $remote_fs screen-cleanup
 # 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:    Bungee Cord Minecraft Proxy
 # Description:    Starts the bunggecord proxy
 ### END INIT INFO
 
 #Settings
 SERVICE='BungeeCord.jar'
 USERNAME='minecraft'
 WORLD='world'
 HISTORY=256
 PROXY_PATH='/home/minecraft/bungeecord'
 MAXHEAP=256
 MINHEAP=128
 CPU_COUNT=1
 INVOCATION="java -Xmx${MAXHEAP}M -Xms${MINHEAP}M -XX:+UseConcMarkSweepGC \
 -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=$CPU_COUNT -XX:+AggressiveOpts \
 -jar $SERVICE"
 
 ME=`whoami`
 as_user() {
   if [ $ME == $USERNAME ] ; then
     bash -c "$1"
   else
     su - $USERNAME -c "$1"
   fi
 }
 
 proxy_start() {
   if  pgrep -u $USERNAME -f $SERVICE > /dev/null
   then
     echo "$SERVICE is already running!"
   else
     echo "Starting $SERVICE..."
     cd $PROXY_PATH
     as_user "cd $PROXY_PATH && screen -h $HISTORY -dmS bungeecord $INVOCATION"
     sleep 7
     if pgrep -u $USERNAME -f $SERVICE > /dev/null
     then
       echo "$SERVICE is now running."
     else
       echo "Error! Could not start $SERVICE!"
     fi
   fi
 }
 
 proxy_stop() {
   if pgrep -u $USERNAME -f $SERVICE > /dev/null
   then
     echo "Stopping $SERVICE"
     as_user "screen -p 0 -S bungeecord -X eval 'stuff \"alert SERVER SHUTTING DOWN IN 10 SECONDS.\"\015'"
     sleep 10
     as_user "screen -p 0 -S bungeecord -X eval 'stuff \"end\"\015'"
     sleep 7
   else
     echo "$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
 }
 proxy_command() {
   command="$1";
   if pgrep -u $USERNAME -f $SERVICE > /dev/null
   then
     pre_log_len=`wc -l "$PROXY_PATH/proxy.log.0" | awk '{print $1}'`
     echo "$SERVICE is running... executing command"
     as_user "screen -p 0 -S bungeecord -X eval 'stuff \"$command\"\015'"
     sleep 3 # assumes that the command will run and print to the log file in less than 3 seconds
     # print output
     tail -n $[`wc -l "$PROXY_PATH/proxy.log.0" | awk '{print $1}'`-$pre_log_len] "$PROXY_PATH/proxy.log.0"
   fi
 }
 
 #Start-Stop here
 case "$1" in
   start)
     proxy_start
     ;;
   stop)
     proxy_stop
     ;;
   restart)
     proxy_stop
     proxy_start
     ;;
   status)
     if pgrep -u $USERNAME -f $SERVICE > /dev/null
     then
       echo "$SERVICE is running."
     else
       echo "$SERVICE is not running."
     fi
     ;;
   command)
     if [ $# -gt 1 ]; then
       shift
       proxy_command "$*"
     else
       echo "Must specify server command (try 'help'?)"
     fi
     ;;
 
   *)
   echo "Usage: $0 {start|stop|status|restart|command \"server command\"}"
   exit 1
   ;;
 esac
 
 exit 0