Added scripts for backup/restore

NextcloudBackup.sh

@@ -0,0 +1,110 @@
+#!/bin/bash
+
+#
+# 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/
+#
+
+#
+# IMPORTANT
+# You have to customize this script (directories, users, etc.) for your actual environment.
+# All entries which need to be customized are tagged with "TODO".
+#
+
+# Variables
+currentDate=$(date +"%Y%m%d_%H%M%S")
+# TODO: The directory where you store the Nextcloud backups
+backupMainDir="/mnt/Share/NextcloudBackups/"
+# The actual directory of the current backup - this is is subdirectory of the main directory above with a timestamp
+backupdir="${backupMainDir}/${currentDate}/"
+# TODO: The directory of your Nextcloud installation (this is a directory under your web root)
+nextcloudFileDir="/var/www/nextcloud"
+# TODO: The directory of your Nextcloud data directory (outside the Nextcloud file directory)
+nextcloudDataDir="/var/nextcloud_data"
+# TODO: Your Nextcloud database name
+nextcloudDatabase="nextcloud_db"
+# TODO: Your Nextcloud database user
+dbUser="nextcloud_db_user"
+# TODO: The password of the Nextcloud database user
+dbPassword="MeInPasSw0rT"
+# TODO: Your webserver user
+webserverUser="www-data"
+
+# File names for backup files
+# If you prefer other file names, you'll also have to change the NextcloudRestore.sh script.
+fileNameBackupFileDir="nextcloud-filedir.tar.gz"
+fileNameBackupDataDir="nextcloud-datadir.tar.gz"
+fileNameBackupDb="nextcloud-db.sql"
+
+# Function for error messages
+errorecho() { cat <<< "$@" 1>&2; }
+
+#
+# Check for root
+#
+if [ "$(id -u)" != "0" ]
+then
+	errorecho "ERROR: This script has to be run as root!"
+	exit 1
+fi
+
+#
+# Check if backup dir already exists
+#
+if [ ! -d "${backupdir}" ]
+then
+	mkdir -p "${backupdir}"
+else
+	errorecho "ERROR: The backup directory ${backupdir} already exists!"
+	exit 1
+fi
+
+#
+# Set maintenance mode
+#
+echo "Set maintenance mode for Nextcloud..."
+cd "${nextcloudFileDir}"
+sudo -u "${webserverUser}" php occ maintenance:mode --on
+cd ~
+echo "Done"
+
+#
+# Stop webserver
+#
+echo "Stopping nginx..."
+service nginx stop
+echo "Done"
+
+#
+# Backup file and data directory
+#
+echo "Creating backup of Nextcloud file directory..."
+tar -cpzf "${backupdir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}" .
+echo "Done"
+echo "Creating backup of Nextcloud data directory..."
+tar -cpzf "${backupdir}/${fileNameBackupDataDir}"  -C "${nextcloudDataDir}" .
+echo "Done"
+
+#
+# Backup DB
+#
+echo "Backup Nextcloud database..."
+mysqldump --single-transaction -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" > "${backupdir}/${fileNameBackupDb}"
+echo "Done"
+
+#
+# Start webserver
+#
+service nginx start
+
+#
+# Disable maintenance mode
+#
+cd "${nextcloudFileDir}"
+sudo -u "${webserverUser}" php occ maintenance:mode --off
+cd ~
+
+echo "DONE!"
+echo "Backup created: ${backupdir}"