# Bash script for creating backups of Nextcloud.
# Usage: ./NextcloudBackup.sh
#
-# The script is based on an installation of Nextcloud using nginx and MariaDB, see https://decatec.de/home-server/nextcloud-auf-ubuntu-server-mit-nginx-mariadb-php-lets-encrypt-redis-und-fail2ban/
+# The script is based on an installation of Nextcloud using nginx and MariaDB, see https://decatec.de/home-server/nextcloud-auf-ubuntu-server-18-04-lts-mit-nginx-mariadb-php-lets-encrypt-redis-und-fail2ban/
#
#
currentDate=$(date +"%Y%m%d_%H%M%S")
# TODO: The directory where you store the Nextcloud backups
backupMainDir="/mnt/Share/NextcloudBackups/"
-# The actual directory of the current backup - this is is subdirectory of the main directory above with a timestamp
+# The actual directory of the current backup - this is a subdirectory of the main directory above with a timestamp
backupdir="${backupMainDir}/${currentDate}/"
# TODO: The directory of your Nextcloud installation (this is a directory under your web root)
nextcloudFileDir="/var/www/nextcloud"
# TODO: The directory of your Nextcloud data directory (outside the Nextcloud file directory)
# If your data directory is located under Nextcloud's file directory (somewhere in the web root), the data directory should not be a separate part of the backup
nextcloudDataDir="/var/nextcloud_data"
+# TODO: The service name of the web server. Used to start/stop web server (e.g. 'service <webserverServiceName> start')
+webserverServiceName="nginx"
# TODO: Your Nextcloud database name
nextcloudDatabase="nextcloud_db"
# TODO: Your Nextcloud database user
dbUser="nextcloud_db_user"
# TODO: The password of the Nextcloud database user
dbPassword="mYpAsSw0rd"
-# TODO: Your webserver user
+# TODO: Your web server user
webserverUser="www-data"
+# TODO: The maximum number of backups to keep (when set to 0, all backups are kept)
+maxNrOfBackups=0
# File names for backup files
# If you prefer other file names, you'll also have to change the NextcloudRestore.sh script.
sudo -u "${webserverUser}" php occ maintenance:mode --on
cd ~
echo "Done"
+echo
#
-# Stop webserver
+# Stop web server
#
-echo "Stopping nginx..."
-service nginx stop
+echo "Stopping web server..."
+service "${webserverServiceName}" stop
echo "Done"
+echo
#
# Backup file and data directory
echo "Creating backup of Nextcloud file directory..."
tar -cpzf "${backupdir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}" .
echo "Done"
+echo
+
echo "Creating backup of Nextcloud data directory..."
tar -cpzf "${backupdir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}" .
echo "Done"
+echo
#
# Backup DB
echo "Backup Nextcloud database..."
mysqldump --single-transaction -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" > "${backupdir}/${fileNameBackupDb}"
echo "Done"
+echo
#
-# Start webserver
+# Start web server
#
-service nginx start
+echo "Starting web server..."
+service "${webserverServiceName}" start
+echo "Done"
+echo
#
# Disable maintenance mode
#
+echo "Switching off maintenance mode..."
cd "${nextcloudFileDir}"
sudo -u "${webserverUser}" php occ maintenance:mode --off
cd ~
+echo "Done"
+echo
+
+#
+# Delete old backups
+#
+if (( ${maxNrOfBackups} != 0 ))
+then
+ nrOfBackups=$(ls -l ${backupMainDir} | grep -c ^d)
+
+ if (( ${nrOfBackups} > ${maxNrOfBackups} ))
+ then
+ echo "Removing old backups..."
+ ls -t ${backupMainDir} | tail -$(( nrOfBackups - maxNrOfBackups )) | while read dirToRemove; do
+ echo "${dirToRemove}"
+ rm -r ${backupMainDir}/${dirToRemove}
+ echo "Done"
+ echo
+ done
+ fi
+fi
+echo
echo "DONE!"
echo "Backup created: ${backupdir}"