Hallo,
jezt frage ich hier auch mal: Wenn ich mit meinem Script den Server neustarte, passiert es manchmal, dass der Server nicht gestartet werden kann, weil er noch nicht vollständig heruntergefahren ist.
Somit bekommt man die Meldung: "Tried to start but $SERVICE was already running!"
Klar, ich könnte einfach eine 10-Sekunden Pause einbauen. Eleganter fände ich es jedoch, dass wenn der Server noch läuft, alle 5 Sekunden erneut versucht wird, den Server zu starten.
Wie würde ich das bei diesem am besten Script einbauen?
Code
### BEGIN INIT INFO
# Provides: minecraft
# 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: Minecraft server
# Description: Starts the minecraft server
### END INIT INFO
#Settings
SERVICE='skyblock.jar'
USERNAME="mccraft"
MCSTORE='/home/mccraft/Skyblock'
MCPATH='/home/mccraft/Skyblock_ramdisk'
CPU_COUNT=1
INVOCATION="java -Xmx4096M -Xms2048M -XX:MaxPermSize=256m -server -jar $SERVICE nogui"
BACKUPPATH='/home/mccraft/Skyblock/Backups'
ME=`whoami`
as_user() {
if [ "$ME" == "$USERNAME" ] ; then
bash -c "$1"
else
su - $USERNAME -c "$1"
fi
}
mc_start() {
if ps ax | grep -v grep | grep -v -i SCREEN | grep $SERVICE > /dev/null
then
echo "Tried to start but $SERVICE was already running!"
else
echo "$SERVICE was not running... starting."
cd $MCPATH
if [ ! -f "$MCPATH/minecraft_server.jar" ]
then
echo "Ram drive empty... prepping."
# as_user "cp -R $MCSTORE/* $MCPATH/"
as_user "rsync -r -t --delete $MCSTORE/ $MCPATH/"
fi
as_user "cd $MCPATH && screen -dmS skyblock $INVOCATION"
sleep 7
if ps ax | grep -v grep | grep -v -i SCREEN | grep $SERVICE > /dev/null
then
echo "$SERVICE is now running."
else
echo "Could not start $SERVICE."
fi
fi
}
mc_stop() {
if ps ax | grep -v grep | grep -v -i SCREEN | grep $SERVICE > /dev/null
then
echo "$SERVICE is running... stopping."
as_user "screen -p 0 -S skyblock -X eval 'stuff \"say SERVER SHUTTING DOWN IN 5 SECONDS. Saving map...\"\015'"
as_user "screen -p 0 -S skyblock -X eval 'stuff \"save-all\"\015'"
sleep 5
as_user "screen -p 0 -S skyblock -X eval 'stuff \"stop\"\015'"
sleep 5
else
echo "$SERVICE was not running."
fi
if ps ax | grep -v grep | grep -v -i SCREEN | grep $SERVICE > /dev/null
then
echo "$SERVICE could not be shut down... still running."
else
echo "$SERVICE is shut down."
fi
}
mc_disksavehalt() {
echo "Saving ramdrive to disk."
if [ ! -f $MCPATH/minecraft_server.jar ]
then
echo "Error.. Minecraft not in ram"
else
if [ -d $MCSTORE/world2 ]
then
as_user "rm -r $MCSTORE/world2"
fi
if [ -d $MCSTORE/world ]
then
as_user "mv $MCSTORE/world $MCSTORE/world2"
fi
echo "Saving, screen session closed"
# as_user "cp -R $MCPATH/* $MCSTORE/"
as_user "rsync -r -t --delete $MCPATH/ $MCSTORE/"
if [ -d $MCSTORE/world2 ]
then
as_user "rm -r $MCSTORE/world2"
fi
fi
}
#Start-Stop here
case "$1" in
start)
mc_start
;;
stop)
mc_stop
mc_disksavehalt
;;
restart)
mc_stop
mc_disksavehalt
mc_start
;;
update)
mc_stop
mc_backup
mc_update
mc_start
;;
backup)
mc_disksaverun
mc_backup
;;
disksavehalt)
mc_disksavehalt
;;
disksaverun)
mc_disksaverun
;;
status)
if ps ax | grep -v grep | grep -v -i SCREEN | grep $SERVICE > /dev/null
then
echo "$SERVICE is running."
else
echo "$SERVICE is not running."
fi
;;
*)
echo "Usage: /etc/init.d/skyblock {start|stop|update|backup|status|restart|disksaverun}"
exit 1
;;
esac
exit 0
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