X-Git-Url: https://git.p6c8.net/nextcloud-backup-restore.git/blobdiff_plain/d6c9915e32bd516a0ca23c2cb846e26472bf3019..377d24d0fe3eabb08ebd4a68ac13191b9802dcd0:/NextcloudBackup.sh

diff --git a/NextcloudBackup.sh b/NextcloudBackup.sh
index 69c760a..f433a8d 100644
--- a/NextcloudBackup.sh
+++ b/NextcloudBackup.sh
@@ -2,9 +2,11 @@
 
 #
 # 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/
+# Usage:
+# 	- With backup directory specified in the script:  ./NextcloudBackup.sh
+# 	- With backup directory specified by parameter: ./NextcloudBackup.sh <BackupDirectory> (e.g. ./NextcloudBackup.sh /media/hdd/nextcloud_backup)
+#
+# 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/
 #
 
 #
@@ -14,33 +16,86 @@
 #
 
 # Variables
+backupMainDir=$1
+
+if [ -z "$backupMainDir" ]; then
+	# TODO: The directory where you store the Nextcloud backups (when not specified by args)
+    backupMainDir="/media/hdd/nextcloud_backup"
+fi
+
+echo "Backup directory: $backupMainDir"
+
 currentDate=$(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 directory of your Nextcloud's local external storage.
+# Uncomment if you use local external storage.
+#nextcloudLocalExternalDataDir="/var/nextcloud_external_data"
+
+# TODO: The service name of the web server. Used to start/stop web server (e.g. 'systemctl start <webserverServiceName>')
+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="MeInPasSw0rT"
-# TODO: Your webserver user
+dbPassword="mYpAsSw0rd"
+
+# 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.
 fileNameBackupFileDir="nextcloud-filedir.tar.gz"
 fileNameBackupDataDir="nextcloud-datadir.tar.gz"
+
+# TOOD: Uncomment if you use local external storage
+#fileNameBackupExternalDataDir="nextcloud-external-datadir.tar.gz"
+
 fileNameBackupDb="nextcloud-db.sql"
 
 # Function for error messages
 errorecho() { cat <<< "$@" 1>&2; }
 
+function DisableMaintenanceMode() {
+	echo "Switching off maintenance mode..."
+	sudo -u "${webserverUser}" php ${nextcloudFileDir}/occ maintenance:mode --off
+	echo "Done"
+	echo
+}
+
+# Capture CTRL+C
+trap CtrlC INT
+
+function CtrlC() {
+	read -p "Backup cancelled. Keep maintenance mode? [y/n] " -n 1 -r
+	echo
+
+	if ! [[ $REPLY =~ ^[Yy]$ ]]
+	then
+		DisableMaintenanceMode
+	else
+		echo "Maintenance mode still enabled."
+	fi
+
+	exit 1
+}
+
 #
 # Check for root
 #
@@ -65,46 +120,85 @@ fi
 # Set maintenance mode
 #
 echo "Set maintenance mode for Nextcloud..."
-cd "${nextcloudFileDir}"
-sudo -u "${webserverUser}" php occ maintenance:mode --on
-cd ~
+sudo -u "${webserverUser}" php ${nextcloudFileDir}/occ maintenance:mode --on
 echo "Done"
+echo
 
 #
-# Stop webserver
+# Stop web server
 #
-echo "Stopping nginx..."
-service nginx stop
+echo "Stopping web server..."
+systemctl stop "${webserverServiceName}"
 echo "Done"
+echo
 
 #
-# Backup file and data directory
+# Backup file directory
 #
 echo "Creating backup of Nextcloud file directory..."
 tar -cpzf "${backupdir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}" .
 echo "Done"
+echo
+
+#
+# Backup data directory
+#
 echo "Creating backup of Nextcloud data directory..."
 tar -cpzf "${backupdir}/${fileNameBackupDataDir}"  -C "${nextcloudDataDir}" .
 echo "Done"
+echo
+
+# Backup local external storage.
+# Uncomment if you use local external storage
+#echo "Creating backup of Nextcloud local external storage directory..."
+#tar -cpzf "${backupdir}/${fileNameBackupExternalDataDir}"  -C "${nextcloudLocalExternalDataDir}" .
+#echo "Done"
+#echo
 
 #
 # Backup DB
 #
 echo "Backup Nextcloud database..."
+# MySQL/MariaDB:
 mysqldump --single-transaction -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" > "${backupdir}/${fileNameBackupDb}"
+
+# PostgreSQL (uncomment if you are using PostgreSQL as Nextcloud database)
+#PGPASSWORD="${dbPassword}" pg_dump "${nextcloudDatabase}" -h localhost -U "${dbUser}" -f "${backupdir}/${fileNameBackupDb}"
 echo "Done"
+echo
 
 #
-# Start webserver
+# Start web server
 #
-service nginx start
+echo "Starting web server..."
+systemctl start "${webserverServiceName}"
+echo "Done"
+echo
 
 #
 # Disable maintenance mode
 #
-cd "${nextcloudFileDir}"
-sudo -u "${webserverUser}" php occ maintenance:mode --off
-cd ~
+DisableMaintenanceMode
+
+#
+# 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 -r dirToRemove; do
+			echo "${dirToRemove}"
+			rm -r "${backupMainDir}/${dirToRemove:?}"
+			echo "Done"
+			echo
+		done
+	fi
+fi
 
+echo
 echo "DONE!"
 echo "Backup created: ${backupdir}"
\ No newline at end of file