Nextcloud 13 snap backup script - A fork of the original script. This script creates an encrypted archive of the backup and then uploads it to an FTP server of your choosing. I use gpg with keys, see the gpg man pages for information on using this. FTP elements of script inspired by https://gist.github.com/pixeline/0f9f922cffb5a6bba97a. All othe…

nextcloud-snap-backup.sh

#!/bin/bash 

user=youruser
backups=/your/chosen/backup/directory

# FTP LOGIN
FTPHOST='ftp://host.domain.something'
FTPUSER='username'
FTPPASSWORD='password'

# DISTANT DIRECTORY
FTPTARGET_DIR='/your/target/directory'

# LOCAL DIRECTORY
FTPSOURCE_DIR='/your/source/directory'

if [[ $EUID > 0 ]] 
then echo "Please run as root" 
exit 
fi 

# maintenance mode on 
nextcloud.occ maintenance:mode --on 
snap restart nextcloud.php-fpm # nextcloud 13 snap version require this... 

# if there is no backups directory then create it 
if [ ! -d $backups ] 
then 
mkdir $backups 
chown $user:$user $backups 
fi

# Directory for backup (with timestamping)
bakdir=$backups/backup-$(date +%Y%m%d) 

# if there is no backups directory (with timestamping) then create it 
if [ ! -d $bakdir ] 
then 
mkdir $backups/backup-$(date +%Y%m%d) 
chown $user:$user $bakdir 
fi

# config 
echo "Backing up config files, app files, database files..." 
rsync -Aax /var/snap/nextcloud/current/ $bakdir/current/

# database 
echo "Backing up database..." 
nextcloud.mysqldump > $bakdir/sqlbkp.bak

# nextcloud-data 
echo "Backing up data... without previews" 
rsync -Aax --exclude=/appdata_*/preview /your/nextcloud/data/directory/ $bakdir/nextcloud-data/ 

# owner user:user 
chown -R $user:$user $bakdir

# maintenance mode off 
nextcloud.occ maintenance:mode --off 
snap restart nextcloud.php-fpm # nextcloud 13 snap version require this... 

# compress $bakdir
tar -cjf $backups/Nextcloud_backup-$(date +%Y%m%d).tgz.pgp $bakdir | gpg -v -e -r 1A2B3C4D5E6F
echo "Creation of Backup Archive finished."

# delete $bakdir
echo "Cleaning up backups directory..."
rm -rf $bakdir

echo "Starting transfer of archive..."

#transfer
lftp -u "$FTPUSER","$FTPPASSWORD" $FTPHOST <<EOF
echo "Starting upload to $FTPHOST $FTPTARGET_DIR from $FTPSOURCE_DIR"
mirror -R --parallel=3 $FTPSOURCE_DIR $FTPTARGET_DIR
echo "Backup finished"
echo "When restoring, don't forget to set the correct permissions." 
exit
EOF