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#
# NEXTCLOUD BackupTool
#
# @author: Bram Prieshof
#
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##		Automation
##	
##		Edit contab (nano /etc/crontab)
##		Restart crontab (/etc/init.d/cron restart)
##
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##Configuration

RMDAYS=14 						#Days until first backup gets removed
DOMC=01							#Day of month for monthly removal of deleted files
REMOTESERVER=<Remote-Server>    #Addres of Backup Server
REMOTEUSER=<user>			    #User for Backup Server

SYSNAME=<systemName>			#System Hostname
BACKUPFROM="/etc/nginx/ /etc/php/ /etc/mysql/ /etc/crontab /opt/ /etc/loolwsd/"	#Folders and files that will be backed
DBPASS='<MSQLRootPW>'			#MySQL Root password (syntax '<MSQLRootPW>')


DBNAME=<DBName>                                #Database that will be backed up
ILOCATION="/var/www/<domain>"     #Nextcloud instance Location
SITENAME=<Instance name>                       #Name of instance that will be backed up


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##	             PLEASE DO NOT MAKE CHANGES UNDER HERE	             ##
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##Setting Static Variables
LFTP=/usr/bin/lftp                    		#Path to binary
TMPDIR=$(mktemp -d)                   		#Your archives are here
SENDDIR=$(mktemp -d)  				  		#Sends everything in this folder to ftp
TODAY=$(date --iso)                   		#Today's date like YYYY-MM-DD
RMDATE=$(date --iso -d "$RMDAYS days ago")  #TODAY minus X days - too old files
DOM=`date '+%d'`					  		#Day of the month

##Run
#Rsyncing instance files
rsync -e 'ssh -p23' -a ${ILOCATION} "$REMOTEUSER"@"$REMOTESERVER":"$SITENAME"
 
#Dumping DataBase
mysqldump -u root "$DBNAME" --password="$DBPASS" --default-character-set=utf8 > "$SENDDIR"/"$SITENAME".sql  #Dumping DB

#Taring Config files and DB
tar --exclude='/opt/collaboraoffice6.0' --exclude='/opt/lool' -zcf /"$SENDDIR"/"$SYSNAME"-Config-DB.tar.gz  $BACKUPFROM  #Create tar File

#Uploading and remove first config-db backup on SFTP
$LFTP << EOF
open -u ${REMOTEUSER}, sftp://${REMOTESERVER}
mkdir -p ${SYSNAME}/${TODAY}
cd ${SYSNAME}/${TODAY}
mput -E ${SENDDIR}/*
cd ..
rm -rf ${RMDATE}
bye
EOF

#Checking and running monthly backup to SFTP
if [ $DOM == $DOMC ]; then
rsync -e 'ssh -p23' --delete -a ${ILOCATION} "$REMOTEUSER"@"$REMOTESERVER":"$SITENAME"
fi

#Deletes Temp Folder
rm -r "$TMPDIR" && rm -r "$SENDDIR"