X-Git-Url: https://git.p6c8.net/nextcloud-backup-restore.git/blobdiff_plain/0ee3ebac4cf69001ceb6f41f3d35d479dcbc8e2c..dd66e25d405afbc4e4cca6a997fb2776eadebf78:/NextcloudBackup.sh?ds=inline diff --git a/NextcloudBackup.sh b/NextcloudBackup.sh index 4c95f10..d1b1ed2 100644 --- a/NextcloudBackup.sh +++ b/NextcloudBackup.sh @@ -2,7 +2,12 @@ # # Bash script for creating backups of Nextcloud. -# Usage: ./NextcloudBackup.sh +# +# Version 1.1.0 +# +# Usage: +# - With backup directory specified in the script: ./NextcloudBackup.sh +# - With backup directory specified by parameter: ./NextcloudBackup.sh (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/ # @@ -18,37 +23,59 @@ backupMainDir=$1 if [ -z "$backupMainDir" ]; then # TODO: The directory where you store the Nextcloud backups (when not specified by args) - backupMainDir="/mnt/Share/NextcloudBackups" + backupMainDir='/media/hdd/nextcloud_backup' fi -echo "Backup directory: $backupMainDir" - currentDate=$(date +"%Y%m%d_%H%M%S") + # 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" +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" +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="nginx" +webserverServiceName='nginx' + +# TODO: Your web server user +webserverUser='www-data' + +# TODO: The name of the database system (ome of: mysql, mariadb, postgresql) +databaseSystem='mariadb' + # TODO: Your Nextcloud database name -nextcloudDatabase="nextcloud_db" +nextcloudDatabase='nextcloud_db' + # TODO: Your Nextcloud database user -dbUser="nextcloud_db_user" +dbUser='nextcloud_db_user' + # TODO: The password of the Nextcloud database user -dbPassword="mYpAsSw0rd" -# TODO: Your web server user -webserverUser="www-data" +dbPassword='mYpAsSw0rd' + # TODO: The maximum number of backups to keep (when set to 0, all backups are kept) maxNrOfBackups=0 +# TODO: Ignore updater's backup directory in the data directory to safe space +# Set to true to ignore the backup directory +ignoreUpdaterBackups=false + # 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" +fileNameBackupFileDir='nextcloud-filedir.tar.gz' +fileNameBackupDataDir='nextcloud-datadir.tar.gz' + +# TODO: 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; } @@ -77,6 +104,11 @@ function CtrlC() { exit 1 } +# +# Print information +# +echo "Backup directory: ${backupMainDir}" + # # Check for root # @@ -114,29 +146,63 @@ echo "Done" echo # -# Backup file and data directory +# Backup file directory # echo "Creating backup of Nextcloud file directory..." tar -cpzf "${backupdir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}" . echo "Done" echo +# +# Backup data directory +# echo "Creating backup of Nextcloud data directory..." -tar -cpzf "${backupdir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}" . + +if [ "$ignoreUpdaterBackups" = true ] ; then + echo "Ignoring updater backup directory" + tar -cpzf "${backupdir}/${fileNameBackupDataDir}" --exclude="updater-*/backups/*" -C "${nextcloudDataDir}" . +else + tar -cpzf "${backupdir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}" . +fi + 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}" +if [ "${databaseSystem,,}" = "mysql" ] || [ "${databaseSystem,,}" = "mariadb" ]; then + echo "Backup Nextcloud database (MySQL/MariaDB)..." -# PostgreSQL (uncomment if you are using PostgreSQL as Nextcloud database) -#PGPASSWORD="${dbPassword}" pg_dump "${nextcloudDatabase}" -h localhost -U "${dbUser}" -f "${backupdir}/${fileNameBackupDb}" -echo "Done" -echo + if ! [ -x "$(command -v mysqldump)" ]; then + errorecho "ERROR: MySQL/MariaDB not installed (command mysqldump not found)." + errorecho "ERROR: No backup of database possible!" + else + mysqldump --single-transaction -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" > "${backupdir}/${fileNameBackupDb}" + fi + + echo "Done" + echo +elif [ "${databaseSystem,,}" = "postgresql" ]; then + echo "Backup Nextcloud database (PostgreSQL)..." + + if ! [ -x "$(command -v pg_dump)" ]; then + errorecho "ERROR:PostgreSQL not installed (command pg_dump not found)." + errorecho "ERROR: No backup of database possible!" + else + PGPASSWORD="${dbPassword}" pg_dump "${nextcloudDatabase}" -h localhost -U "${dbUser}" -f "${backupdir}/${fileNameBackupDb}" + fi + + echo "Done" + echo +fi # # Start web server @@ -154,16 +220,16 @@ DisableMaintenanceMode # # Delete old backups # -if (( ${maxNrOfBackups} != 0 )) +if [ ${maxNrOfBackups} != 0 ] then nrOfBackups=$(ls -l ${backupMainDir} | grep -c ^d) - if (( ${nrOfBackups} > ${maxNrOfBackups} )) + if [[ ${nrOfBackups} > ${maxNrOfBackups} ]] then echo "Removing old backups..." - ls -t ${backupMainDir} | tail -$(( nrOfBackups - maxNrOfBackups )) | while read dirToRemove; do + ls -t ${backupMainDir} | tail -$(( nrOfBackups - maxNrOfBackups )) | while read -r dirToRemove; do echo "${dirToRemove}" - rm -r ${backupMainDir}/${dirToRemove} + rm -r "${backupMainDir}/${dirToRemove:?}" echo "Done" echo done