initial update backupscript to use with simple leveldb database

backup.sh

@@ -2,6 +2,7 @@
 # Illuna Minetest Backup
 #
 set -e
+user=illuna
 
 # the backupscript of the Illuna Minetest Universe.
 # this may only be interesting for you when you use
@@ -25,15 +26,10 @@ world1=vip-world
 world2=ctf
 world3=techeth
 
+world3Minetest=illuna-techeth-minetestserver
+world3Database=illuna-techeth-mtredisalize
+
 backupdir='/home/illuna/backups'
-#sftpdir='/ftp/illuna/'
-# location of the ssdb dumptool
-#
-dumptool='/usr/local/ssdb/ssdb-dump'
-ip='127.0.0.1'
-port1='8888'
-#port2='8889'
-port3='8890'
 
 date=`date '+%y%m%d%H%M'`
 tmp=$backupdir/$date
@@ -49,38 +45,35 @@ backupfile=$backupdir/${date}.tar.gz
 #####################################################################
 
 echo "create our working directory"
-#
-mkdir -p $tmp
+su - $user -c "mkdir -p $tmp"
 
 echo "sync all the stuff to the tmp directory"
 # excluding rollback as this is not relevant
 # when restoring from backup and only takes
 # bunch of space.
 #
-ionice -c3 rsync -arptg --temp-dir=/var/tmp/rsync $configdir $worldsdir/$world2 $worldsdir/$world3 $tmp/ --exclude database --exclude rollback.sqlite
+su - $user -c "ionice -c3 rsync -arptg $configdir $worldsdir/$world2 $worldsdir/$world3 $tmp/ --exclude database --exclude map.db --exclude rollback.sqlite"
 
-echo "dump the worlds to the previously excluded"
-# folder. later it should be possible to
-# use the world directory without additional
-# effort but we had to make shure the dump
-# was done cleanly and using open files from
-# ssdb may result in bad situations.
-#
-#ionice -c3 $dumptool $ip $port1 $tmp/$world1/database
-#ionice -c3 $dumptool $ip $port2 $tmp/$world2/database
-ionice -c3 $dumptool $ip $port3 $tmp/$world3/database
+echo "stop Minetest servers"
+systemctl stop $world3Minetest
+echo "give Minetest some time...."
+sleep 5
+echo "stop DB servers"
+systemctl stop $world3Database
+sleep 2
 
-echo "packing..."
-#
-ionice -c3 tar -czf $backupfile $tmp/*
-rm -rf $tmp
-sftpdir=/home/illuna/mnt
-#curlftpfs dedibackup-dc3.online.net/illuna $sftpdir
-#cp $backupfile $sftpdir
-                                                                                                     
-/usr/local/bin/mc cp $backupfile t1/backups/minetest/
+echo "compress the worlds"
+# TODO make the archive structure more logical (see alone map.db)
+su - $user -c "ionice -c3 tar -czf $backupfile $tmp/* $worldsdir/$world3/map.db"
+
+systemctl start $world3Database
+sleep 2
+systemctl start $world3Minetest
+
+su - $user -c "rm -rf $tmp"
+
+su - $user -c "/usr/local/bin/mc cp $backupfile t1/backups/minetest/"
 # vacuum the backup directory
 #
-rm -rf $backupfile
-/usr/local/bin/mc rm --force --older-than=4 t1/backups/minetest/
-
+su - $user -c "rm -rf $backupfile"
+su - $user -c "/usr/local/bin/mc rm --force --older-than=4 t1/backups/minetest/"