X-Git-Url: https://git.p6c8.net/nextcloud-backup-restore.git/blobdiff_plain/f7117da82f1e493bdc1b2d583056526426788706..8a9ebc2de3bed79841082eb2416be7eee0d4739f:/NextcloudBackup.sh

diff --git a/NextcloudBackup.sh b/NextcloudBackup.sh
index 469d9d1..3e08cb4 100644
--- a/NextcloudBackup.sh
+++ b/NextcloudBackup.sh
@@ -3,8 +3,8 @@
 #
 # 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/
 #
 
 #
@@ -16,21 +16,23 @@
 # Variables
 currentDate=$(date +"%Y%m%d_%H%M%S")
 # TODO: The directory where you store the Nextcloud backups
-backupMainDir="/mnt/Share/NextcloudBackups/"
-# The actual directory of the current backup - this is is subdirectory of the main directory above with a timestamp
+backupMainDir="/mnt/Share/NextcloudBackups"
+# The actual directory of the current backup - this is a subdirectory of the main directory above with a timestamp
 backupdir="${backupMainDir}/${currentDate}/"
 # TODO: The directory of your Nextcloud installation (this is a directory under your web root)
 nextcloudFileDir="/var/www/nextcloud"
 # TODO: The directory of your Nextcloud data directory (outside the Nextcloud file directory)
 # If your data directory is located under Nextcloud's file directory (somewhere in the web root), the data directory should not be a separate part of the backup
 nextcloudDataDir="/var/nextcloud_data"
+# TODO: The service name of the web server. Used to start/stop web server (e.g. 'systemctl start <webserverServiceName>')
+webserverServiceName="nginx"
 # TODO: Your Nextcloud database name
 nextcloudDatabase="nextcloud_db"
 # TODO: Your Nextcloud database user
 dbUser="nextcloud_db_user"
 # TODO: The password of the Nextcloud database user
 dbPassword="mYpAsSw0rd"
-# TODO: Your webserver user
+# TODO: Your web server user
 webserverUser="www-data"
 # TODO: The maximum number of backups to keep (when set to 0, all backups are kept)
 maxNrOfBackups=0
@@ -44,6 +46,30 @@ fileNameBackupDb="nextcloud-db.sql"
 # Function for error messages
 errorecho() { cat <<< "$@" 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
 #
@@ -68,17 +94,15 @@ 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
 
@@ -99,44 +123,43 @@ 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
 #
-echo "Starting webserver..."
-service nginx start
+echo "Starting web server..."
+systemctl start "${webserverServiceName}"
 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
+DisableMaintenanceMode
 
 #
 # Delete old backups
 #
-if [ ${maxNrOfBackups} != 0 ]
-then	
+if (( ${maxNrOfBackups} != 0 ))
+then
 	nrOfBackups=$(ls -l ${backupMainDir} | grep -c ^d)
-	
-	if [  ${maxNrOfBackups} > ${nrOfBackups}} ]
+
+	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
+			echo "${dirToRemove}"
+			rm -r ${backupMainDir}/${dirToRemove}
+			echo "Done"
+			echo
+		done
 	fi
 fi