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- #!/bin/bash
- # /etc/init.d/minecraft
- # version 0.4.0 2015-04-20 (YYYY-MM-DD)
- #
- ### BEGIN INIT INFO
- # Provides: minecraft
- # Required-Start: $local_fs $remote_fs screen-cleanup
- # Required-Stop: $local_fs $remote_fs
- # Should-Start: $network
- # Should-Stop: $network
- # Default-Start: 2 3 4 5
- # Default-Stop: 0 1 6
- # Short-Description: Minecraft server
- # Description: Starts the minecraft server
- ### END INIT INFO
- #Settings
- SERVICE='forge-1.7.10-10.13.4.1481-1.7.10-universal.jar'
- OPTIONS='nogui'
- USERNAME='DoughnutDev'
- WORLD='world'
- MCPATH='/home/DoughnutDev/DonutCraft2'
- BACKUPPATH='/home/DoughnutDev/DonutCraft2/backup'
- OLDBACKUPS=1
- MAXHEAP=3500
- MINHEAP=1024
- HISTORY=1024
- CPU_COUNT=4
- INVOCATION="java -Xmx${MAXHEAP}M -Xms${MINHEAP}M -XX:+UseConcMarkSweepGC \
- -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=$CPU_COUNT -XX:+AggressiveOpts \
- -jar $SERVICE $OPTIONS"
- ME=`whoami`
- as_user() {
- if [ "$ME" = "$USERNAME" ] ; then
- bash -c "$1"
- else
- su - "$USERNAME" -c "$1"
- fi
- }
- mc_start() {
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- echo "$SERVICE is already running!"
- else
- echo "Starting $SERVICE..."
- cd $MCPATH
- as_user "cd $MCPATH && screen -h $HISTORY -dmS DonutCraft $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
- }
- mc_saveoff() {
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- echo "$SERVICE is running... suspending saves"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"say SERVER BACKUP STARTING. Server going readonly...\"\015'"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"save-off\"\015'"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"save-all\"\015'"
- sync
- sleep 10
- else
- echo "$SERVICE is not running. Not suspending saves."
- fi
- }
- mc_saveon() {
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- echo "$SERVICE is running... re-enabling saves"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"save-on\"\015'"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"say SERVER BACKUP ENDED. Server going read-write...\"\015'"
- else
- echo "$SERVICE is not running. Not resuming saves."
- fi
- }
- mc_stop() {
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- echo "Stopping $SERVICE"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"say SERVER RESTARTING IN 10 SECONDS. Saving map...\"\015'"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"save-all\"\015'"
- sleep 10
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"stop\"\015'"
- sleep 7
- else
- echo "$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
- }
- mc_update() {
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- echo "$SERVICE is running! Will not start update."
- else
- as_user "cd $MCPATH && wget -q -O $MCPATH/versions http://s3.amazonaws.com/Minecraft.Download/versions/versions.json"
- snap=`awk -v linenum=3 'NR == linenum {print; exit}' "$MCPATH/versions"`
- snapVersion=`echo $snap | awk -F'\"' '{print $4}'`
- re=`awk -v linenum=4 'NR == linenum {print; exit}' "$MCPATH/versions"`
- reVersion=`echo $re | awk -F'\"' '{print $4}'`
- as_user "rm $MCPATH/versions"
- if [ "$1" == "snapshot" ]; then
- MC_SERVER_URL=http://s3.amazonaws.com/Minecraft.Download/versions/$snapVersion/minecraft_server.$snapVersion.jar
- else
- MC_SERVER_URL=http://s3.amazonaws.com/Minecraft.Download/versions/$reVersion/minecraft_server.$reVersion.jar
- fi
- as_user "cd $MCPATH && wget -q -O $MCPATH/minecraft_server.jar.update $MC_SERVER_URL"
- if [ -f $MCPATH/minecraft_server.jar.update ]
- then
- if `diff $MCPATH/$SERVICE $MCPATH/minecraft_server.jar.update >/dev/null`
- then
- echo "You are already running the latest version of $SERVICE."
- else
- as_user "mv $MCPATH/minecraft_server.jar.update $MCPATH/$SERVICE"
- echo "Minecraft successfully updated."
- fi
- else
- echo "Minecraft update could not be downloaded."
- fi
- fi
- }
- mc_backup() {
- mc_saveoff
- NOW=`date "+%Y-%m-%d_%Hh%M"`
- BACKUP_FILE="$BACKUPPATH/${WORLD}_${NOW}.tar"
- echo "Backing up minecraft world..."
- #as_user "cd $MCPATH && cp -r $WORLD $BACKUPPATH/${WORLD}_`date "+%Y.%m.%d_%H.%M"`"
- as_user "tar -C \"$MCPATH\" -cf \"$BACKUP_FILE\" $WORLD"
- echo "Backing up $SERVICE"
- as_user "tar -C \"$MCPATH\" -rf \"$BACKUP_FILE\" $SERVICE"
- #as_user "cp \"$MCPATH/$SERVICE\" \"$BACKUPPATH/minecraft_server_${NOW}.jar\""
- mc_saveon
- if [ $OLDBACKUPS -lt 0 ]
- then
- OLDBACKUPS=3
- fi
- # Deletes backups that are 'n' days old
- if [ $LOGIT -eq 1 ]
- then
- echo "$(date "+%Y-%m-%d_%Hh%M") [LOG] Removing backups older than $OLDBACKUPS days."
- fi
- OLDBACKUP=`find $PWD/$BACKUPDIR -type d -mtime +$OLDBACKUPS | grep -v -x "$PWD/$BACKUPDIR" | xargs rm -rf`
- echo "Compressing backup..."
- as_user "gzip -f \"$BACKUP_FILE\""
- echo "Done."
- }
- mc_command() {
- command="$1";
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- pre_log_len=`wc -l "$MCPATH/logs/latest.log" | awk '{print $1}'`
- echo "$SERVICE is running... executing command"
- as_user "screen -p 0 -S minecraft -X eval 'stuff \"$command\"\015'"
- sleep .1 # assumes that the command will run and print to the log file in less than .1 seconds
- # print output
- tail -n $[`wc -l "$MCPATH/logs/latest.log" | awk '{print $1}'`-$pre_log_len] "$MCPATH/logs/latest.log"
- fi
- }
- #Start-Stop here
- case "$1" in
- start)
- mc_start
- ;;
- stop)
- mc_stop
- ;;
- restart)
- mc_stop
- mc_start
- ;;
- update)
- mc_stop
- mc_backup
- mc_update $2
- mc_start
- ;;
- backup)
- mc_backup
- ;;
- status)
- if pgrep -u $USERNAME -f $SERVICE > /dev/null
- then
- echo "$SERVICE is running."
- else
- echo "$SERVICE is not running."
- fi
- ;;
- command)
- if [ $# -gt 1 ]; then
- shift
- mc_command "$*"
- else
- echo "Must specify server command (try 'help'?)"
- fi
- ;;
- *)
- echo "Usage: $0 {start|stop|update|backup|status|restart|command \"server command\"}"
- exit 1
- ;;
- esac
- exit 0
- </pre>
- <noinclude>[[Category:Data pages]]</noinclude>
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