skipzero
5/13/2017 - 2:35 AM
Minecraft Server - check status, start and stop server
Minecraft Server - check status, start and stop server
#!/bin/bash
# original author : Relliktsohg
# continued contributions: Maine, endofzero
# dopeghoti, demonspork, robbiet480,
# UnkzDomain
# https://github.com/endofzero/Minecraft-Sheller
# Configuration
# Main
WORLD_NAME="RamCraft"
OFFLINE_NAME=$WORLD_NAME-offline
MC_PATH=/home/minecraft/ramcraft
SCREEN_NAME="minecraft"
MEMMAX=1024
MEMALOC=512
DISPLAY_ON_LAUNCH=0
SERVER_OPTIONS=""
# Modifications
SERVERMOD=1
CRAFTBUKKIT_UPDATE=http://hudson.lukegb.com/job/CraftBukkit/lastSuccessfulBuild/artifact/target/craftbukkit-0.0.1-SNAPSHOT.jar
RUNECRAFT=0
# Backups
BKUP_PATH=$MC_PATH/backup
BKUP_DAYS_INCR=2
BKUP_DAYS_FULL=5
BACKUP_FULL_LINK=${BKUP_PATH}/${WORLD_NAME}_full.tgz
BACKUP_INCR_LINK=${BKUP_PATH}/${WORLD_NAME}_incr.tgz
# Logs
LOG_TDIR=/var/www/minecraft/logs
LOGS_DAYS=14
# Mapping
CARTO_PATH=$MC_PATH/carto
MAPS_PATH=/var/www/minecraft/maps
CARTO_OPTIONS="-q -s -m 4"
BIOME_PATH=/home/minecraft/BiomeExtractor
MCOVERVIEWER_PATH=$MC_PATH/Overviewer/
MCOVERVIEWER_MAPS_PATH=/var/www/minecraft/maps/Overview/
MCOVERVIEWER_CACHE_PATH=/var/www/minecraft/maps/Overview/cache/
MCOVERVIEWER_OPTIONS="--lighting"
# End of configuration
if [[ 1 -eq $SERVERMOD ]]; then
locks=$(ls $MC_PATH/logs/*.log.lck 2> /dev/null | wc -l)
if [[ "0" != "$locks" ]]; then
ONLINE=1
else
ONLINE=0
fi
else
if [[ -e $MC_PATH/server.log.lck ]]; then
# ps -e | grep java | wc -l
ONLINE=1
else
ONLINE=0
fi
fi
# Get the PID of our Java process for later use. Better
# than just killing the lowest PID java process like the
# original verison did, but still non-optimal.
#
# Explanation:
#
# Find the PID of our screen that's running Minecraft.
# Then, use PS to find children of that screen whose
# command is 'java'.
SCREEN_PID=$(screen -ls | grep $SCREEN_NAME | grep -iv "No sockets found" | head -n1 | sed "s/^\s//;s/\.$SCREEN_NAME.*$//")
if [[ -z $SCREEN_PID ]]; then
# Our server seems offline, because there's no screen running.
# Set MC_PID to a null value.
MC_PID=''
else
MC_PID=$(ps --ppid $SCREEN_PID -F -C java | tail -1 | awk '{print $2}')
fi
display() {
screen -x $SCREEN_NAME
}
server_launch() {
echo "Launching minecraft server..."
if [[ 1 -eq $SERVERMOD ]]; then
echo "craftbukkit.jar"
cd $MC_PATH
screen -dmS $SCREEN_NAME java -server -Xmx${MEMMAX}M -Xms${MEMALOC}M -Djava.net.preferIPv4Stack=true $SERVER_OPTIONS -jar craftbukkit.jar nogui
sleep 1
else
echo "minecraft_server.jar"
cd $MC_PATH
screen -dmS $SCREEN_NAME java -server -Xmx${MEMMAX}M -Xms${MEMALOC}M -Djava.net.preferIPv4Stack=true $SERVER_OPTIONS -jar minecraft_server.jar nogui
sleep 1
fi
}
server_stop() {
echo "Stopping minecraft server..."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "stop.\r")"
sleep 5
}
sync_offline() {
if [[ -e $MC_PATH/synclock ]]; then
echo "Previous sync hasn't completed or has failed"
else
touch $MC_PATH/synclock
echo "Sync in progress..."
if [[ 1 -eq $ONLINE ]]; then
echo "Issuing save-all command, wait 5s...";
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "save-all\r")"
sleep 5
echo "Issuing save-off command..."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "save-off\r")"
sleep 1
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say World sync in progress, saving is OFF.\r")"
fi
mkdir -p $MC_PATH/$OFFLINE_NAME/
rsync -az $MC_PATH/$WORLD_NAME/ $MC_PATH/$OFFLINE_NAME/
WORLD_SIZE=$(du -s $MC_PATH/$WORLD_NAME/ | sed s/[[:space:]].*//g)
OFFLINE_SIZE=$(du -s $MC_PATH/$OFFLINE_NAME/ | sed s/[[:space:]].*//g)
echo "WORLD : $WORLD_SIZE KB"
echo "OFFLINE: $OFFLINE_SIZE KB"
if [[ 1 -eq $ONLINE ]]; then
echo "Issuing save-on command..."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "save-on\r")"
sleep 1
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say World sync is complete, saving is ON.\r")"
fi
rm $MC_PATH/synclock
echo "Sync is complete"
fi
}
if [[ $# -gt 0 ]]; then
case "$1" in
#################################################################
"status")
if [[ 1 -eq $ONLINE ]]; then
echo "Minecraft server seems ONLINE."
else
echo "Minecraft server seems OFFLINE."
fi
;;
#################################################################
"start")
if [[ 1 -eq $ONLINE ]]; then
echo "Server seems to be already running !"
case $2 in
"force")
# TODO:
# Still needs work, but at least we try
# to use the PID we grabbed earlier.
# The fallback is still to blindly
# kill the lowest-PID Java process running
# on the server. This is very bad form.
if [[ -z $MC_PID ]]; then
kill $(ps -e | grep java | cut -d " " -f 1)
else
kill $MC_PID
fi
rm -fr $MC_PATH/*.log.lck 2> /dev/null/;;
esac
else
server_launch
if [[ 1 -eq $DISPLAY_ON_LAUNCH ]]; then
display
fi
fi
;;
#################################################################
"stop")
if [[ 1 -eq $ONLINE ]]; then
server_stop
else
echo "Server seems to be offline..."
case $2 in
"force")
echo "Forcing server to stop if it's lying.."
# TODO:
# Still needs work, but at least we try
# to use the PID we grabbed earlier.
# The fallback is still to blindly
# kill the lowest-PID Java process running
# on the server. This is very bad form.
if [[ -z $MC_PID ]]; then
kill $(ps -e | grep java | cut -d " " -f 1)
else
kill $MC_PID
fi
rm -fr $MC_PATH/*.log.lck 2> /dev/null/
;;
esac
fi
;;
#################################################################
"restart")
if [[ 1 -eq $ONLINE ]]; then
case $2 in
"warn")
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say Server will restart in 30s !\r")"
sleep 20
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say Server will restart in 10s !\r")"
sleep 10
;;
esac
server_stop
fi
server_launch
if [[ 1 -eq $DISPLAY_ON_LAUNCH ]]; then
display
fi
;;
#################################################################
"say")
if [[ 1 -eq $ONLINE ]]; then
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say $2\r")"
sleep 1
else
echo "Server seems to be offline..."
fi
;;
#################################################################
"tell")
if [[ 1 -eq $ONLINE ]]; then
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "tell $2 $3\r")"
sleep 1
else
echo "Server seems to be offline..."
fi
;;
#################################################################
"sync")
sync_offline
;;
#################################################################
"logs")
mkdir -p $LOG_TDIR
cd $LOG_TDIR
case $2 in
"clean")
#Move all old log folders into the backup directory based on $LOGS_DAYS
mkdir -p $BKUP_PATH/logs
find $LOG_TDIR -type d -mtime +$LOGS_DAYS -print | xargs -I xxx mv xxx $BKUP_PATH/logs/
;;
esac
DATE=$(date +%Y-%m-%d)
LOG_NEWDIR=$DATE-logs
if [[ -e $LOG_TDIR/$LOG_NEWDIR ]]; then
rm $LOG_TDIR/$LOG_NEWDIR/*
else
mkdir $LOG_TDIR/$LOG_NEWDIR
fi
DATE=$(date +%d-%m-%Hh%M)
LOG_TFILE=logs-$DATE.log
if [[ 1 -eq $SERVERMOD ]]; then
if [[ 1 -eq $ONLINE ]]; then
LOG_LCK=$(basename $MC_PATH/logs/*.log.lck .log.lck)
echo "Found a log lock : $LOG_LCK"
else
LOG_LCK=""
fi
cd $MC_PATH/logs/
for i in *; do
if [[ $i != $LOG_LCK.log.lck ]]; then # skip du fichier lck
cat $i >> $LOG_TDIR/$LOG_NEWDIR/$LOG_TFILE
if [[ $i != $LOG_LCK.log ]]; then # On ne supprime pas le fichier log courant, si le serv est en route
rm $i
fi
fi
done
else
cd $MC_PATH
cat server.log >> $LOG_TDIR/$LOG_NEWDIR/$LOG_TFILE
fi
if [[ -e $LOG_TDIR/ip-list.log ]]; then
cat $LOG_TDIR/ip-list.log | sort | uniq > $LOG_TDIR/templist.log
fi
cat $LOG_TDIR/$LOG_NEWDIR/$LOG_TFILE | egrep '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+.+logged in' | sed -e 's/.*\[INFO\]\s//g' -e 's/\[\//\t/g' -e 's/:.*//g' >> $LOG_TDIR/templist.log
cat $LOG_TDIR/templist.log | sort | uniq -w 4 > $LOG_TDIR/ip-list.log
rm $LOG_TDIR/templist.log
cat $LOG_TDIR/$LOG_NEWDIR/$LOG_TFILE | egrep 'logged in|lost connection' | sed -e 's/.*\([0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}\).\[INFO\].\([a-zA-Z0-9_]\{1,\}\).\{1,\}logged in/\1\t\2 : connected/g' -e 's/.*\([0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}\).\[INFO\].\([a-zA-Z0-9_]\{1,\}\).lost connection.*/\1\t\2 : disconnected/g' >> $LOG_TDIR/$LOG_NEWDIR/connexions-$DATE.log
cat $LOG_TDIR/$LOG_NEWDIR/$LOG_TFILE | egrep '<[a-zA-Z0-9_]+>|\[CONSOLE\]' | sed -e 's/.*\([0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}\).\[INFO\]./\1 /g' >> $LOG_TDIR/$LOG_NEWDIR/chat-$DATE.log
cat $LOG_TDIR/$LOG_NEWDIR/$LOG_TFILE | egrep 'Internal exception|error' | sed -e 's/.*\([0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}\).\[INFO\]./\1\t/g' >> $LOG_TDIR/$LOG_NEWDIR/errors-$DATE.log
;;
#################################################################
"backup")
if [[ -e $BKUP_PATH/$WORLD_NAME.lock ]]; then
echo "Backup already in progress. Aborting."
exit 1
else
touch $BKUP_PATH/$WORLD_NAME.lock
fi
if [[ ! -d $BKUP_PATH ]]; then
if ! mkdir -p $BKUP_PATH; then
echo "Backup path $BKUP_PATH does not exist and I could not create the directory!"
rm $BKUP_PATH/$WORLD_NAME.lock
exit 1
fi
fi
cd $BKUP_PATH
if [[ -e $MC_PATH/$WORLD_NAME ]]; then
if [[ $ONLINE -eq 1 ]]; then
echo "Server running, warning players : backup in 10s."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say Backing up the map in 10s\r")"
sleep 10
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say Now backing up the map...\r")"
echo "Issuing save-all command, wait 5s..."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "save-all\r")"
sleep 5
echo "Issuing save-off command..."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "save-off\r")"
sleep 1
fi
cd $BKUP_PATH
DATE=$(date +%Y-%m-%d-%Hh%M)
FILENAME=$WORLD_NAME-$DATE
BACKUP_FILES=$BKUP_PATH/list.$DATE
if [[ full == $2 ]]; then
# If full flag set, Make full backup, and remove old incrementals
FILENAME=$FILENAME-full.tgz
# Remove incrementals older than $BKUP_DAYS_INCR
# Remove full archives older than $BKUP_DAYS_FULL
rm -f $(find ./$WORLD_NAME-*-incr.tgz -type f -mtime +$BKUP_DAYS_INCR -print) \
$(find ./$WORLD_NAME-*-full.tgz -type f -mtime +$BKUP_DAYS_FULL -print)
# Now make our full backup
pushd $MC_PATH
tar -zcf $BKUP_PATH/$FILENAME -- $(find $WORLD_NAME -type f -print)
popd
rm -f $BACKUP_FULL_LINK $BACKUP_INCR_LINK
ln -s $FILENAME $BACKUP_FULL_LINK
else
# Make incremental backup
FILENAME=$FILENAME-incr.tgz
pushd $MC_PATH
tar -zcf $BKUP_PATH/$FILENAME -- $(find $WORLD_NAME -newer $BACKUP_FULL_LINK -type f -print)
popd
rm -f $BACKUP_INCR_LINK
ln -s $FILENAME $BACKUP_INCR_LINK
fi
rm -f $BACKUP_FILES
if [[ 1 -eq $ONLINE ]]; then
echo "Issuing save-on command..."
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "save-on\r")"
sleep 1
screen -S $SCREEN_NAME -p 0 -X stuff "$(printf "say Backup is done, have fun !\r")"
fi
echo "Backup process is over."
else
echo "The world \"$WORLD_NAME\" does not exist.";
fi
rm $BKUP_PATH/$WORLD_NAME.lock
;;
#################################################################
"cartography")
if [[ -e $MC_PATH/cartolock ]]; then
echo "Previous cartography run hasn't completed or has failed"
else
touch $MC_PATH/cartolock
if [[ "sync" == $2 ]]; then
sync_offline
fi
if [[ -e $CARTO_PATH ]]; then
if [[ -e $MC_PATH/$WORLD_NAME ]]; then
mkdir -p $MAPS_PATH
DATE=$(date +%Y-%m-%d-%Hh%M)
FILENAME=$WORLD_NAME-map-$DATE
cd $CARTO_PATH
echo "Cartography in progress..."
./c10t -w $MC_PATH/$OFFLINE_NAME/ -o $FILENAME.png $CARTO_OPTIONS
mv *.png $MAPS_PATH
cd $MC_PATH
echo "Cartography is done."
else
echo "The world \"$WORLD_NAME\" does not exist."
fi
else
echo "The path to cartographer seems to be wrong."
fi
rm $MC_PATH/cartolock
fi
;;
#################################################################
"biome")
if [[ -e $BIOME_PATH ]]; then
if [[ -e $MC_PATH/$WORLD_NAME ]]; then
if [[ "sync" == $2 ]]; then
sync_offline
fi
echo "Biome extraction in progress..."
java -jar $BIOME_PATH/MinecraftBiomeExtractor.jar -nogui $MC_PATH/$OFFLINE_NAME/
cp -ru $MC_PATH/$OFFLINE_NAME/EXTRACTEDBIOMES/ $MC_PATH/$WORLD_NAME/EXTRACTEDBIOMES/
echo "Biome extraction is complete"
else
echo "The world \"$WORLD_NAME\" does not exist."
fi
else
echo "The path to MinecraftBiomeExtractor.jar seems to be wrong."
fi
;;
#################################################################
"overviewer")
if [[ -e $MC_PATH/overviewlock ]]; then
echo "Previous overview run hasn't completed or has failed"
else
touch $MC_PATH/overviewlock
if [[ "sync" == $2 ]]; then
sync_offline
fi
if [[ -e $MCOVERVIEWER_PATH ]]; then
if [[ -e $MC_PATH/$WORLD_NAME ]]; then
mkdir -p $MCOVERVIEWER_MAPS_PATH
echo "Minecraft-Overviewer in progress..."
python $MCOVERVIEWER_PATH/gmap.py $MCOVERVIEWER_OPTIONS --cachedir=$MCOVERVIEWER_CACHE_PATH $MC_PATH/$OFFLINE_NAME $MCOVERVIEWER_MAPS_PATH
echo "Minecraft-Overviewer is done."
else
echo "The world \"$WORLD_NAME\" does not exist.";
fi
else
echo "The path to Minecraft-Overviewer seems to be wrong."
fi
rm $MC_PATH/overviewlock
fi
;;
#################################################################
"update")
if [[ 1 -eq $ONLINE ]]; then
server_stop
fi
mkdir -p $BKUP_PATH
echo "Backing up current binaries..."
DATE=$(date +%Y-%m-%d)
cd $MC_PATH
if [[ 1 -eq $SERVERMOD ]]; then
tar -czf minecraft_server-$DATE.tar.gz craftbukkit.jar
rm craftbukkit.jar
else
tar -czf minecraft_server-$DATE.tar.gz minecraft_server.jar
fi
mv minecraft_server-$DATE.tar.gz $BKUP_PATH
echo "Downloading new binaries..."
if [[0 -eq $SERVERMOD ]]; then
echo "Downloading latest official binaries..."
wget -N http://www.minecraft.net/download/minecraft_server.jar
fi
if [[ 1 -eq $SERVERMOD ]]; then
echo "Downloading latest CraftBukkit..."
mkdir -p ModTmp
cd ModTmp/
wget -O craftbukkit.jar $CRAFTBUKKIT_UPDATE
cp craftbukkit.jar $MC_PATH/craftbukkit.jar
cd $MC_PATH
rm -rf ModTmp
fi
if [[ 1 -eq $RUNECRAFT ]]; then
echo "Downloading Runecraft..."
mkdir -p ModTmp
cd ModTmp/
wget http://llama.cerberusstudios.net/runecraft/trunk/runecraft_latest.zip
unzip runecraft_latest.zip
jar uvf $MC_PATH/minecraft_server.jar *.class
cd $MC_PATH
rm -rf ModTmp
fi
server_launch
if [[ 1 -eq $DISPLAY_ON_LAUNCH ]]; then
display
fi
;;
#################################################################
*)
echo "Usage : minecraft <status | start [force] | stop | restart [warn] | say 'message' | tell user 'message' | logs [clean]"
echo "backup [full] | sync | cartography [sync]| biome [sync] | overviewer [sync] | update>"
;;
esac
else
if [[ 1 -eq $ONLINE ]]; then
display
else
echo "Minecraft server seems to be offline..."
fi
fi
exit 0