Notes for 4 byte support (DB) and external storage; updated links; typos

[nextcloud-backup-restore.git] / NextcloudBackup.sh

diff --git a/NextcloudBackup.sh b/NextcloudBackup.sh
index ace78d8fdf76033069914f4f3ee464c7e0e36bbb..6cb6b0eb69e4570040d3b992163c8348a8a03f56 100644 (file)
--- a/NextcloudBackup.sh
+++ b/NextcloudBackup.sh
@@ -4,7 +4,7 @@
 # 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/
 #
 
 #
@@ -17,21 +17,25 @@
 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.
@@ -70,13 +74,15 @@ cd "${nextcloudFileDir}"
 sudo -u "${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
@@ -84,9 +90,12 @@ echo "Done"
 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
@@ -94,18 +103,45 @@ echo "Done"
 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}"