111 lines
2.9 KiB
Bash
111 lines
2.9 KiB
Bash
#!/bin/bash
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#
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# Bash script for creating backups of Nextcloud.
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# Usage: ./NextcloudBackup.sh
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#
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# 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/
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#
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#
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# IMPORTANT
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# You have to customize this script (directories, users, etc.) for your actual environment.
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# All entries which need to be customized are tagged with "TODO".
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#
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# Variables
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currentDate=$(date +"%Y%m%d_%H%M%S")
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# TODO: The directory where you store the Nextcloud backups
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backupMainDir="/mnt/Share/NextcloudBackups/"
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# The actual directory of the current backup - this is is subdirectory of the main directory above with a timestamp
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backupdir="${backupMainDir}/${currentDate}/"
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# TODO: The directory of your Nextcloud installation (this is a directory under your web root)
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nextcloudFileDir="/var/www/nextcloud"
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# TODO: The directory of your Nextcloud data directory (outside the Nextcloud file directory)
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nextcloudDataDir="/var/nextcloud_data"
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# TODO: Your Nextcloud database name
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nextcloudDatabase="nextcloud_db"
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# TODO: Your Nextcloud database user
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dbUser="nextcloud_db_user"
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# TODO: The password of the Nextcloud database user
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dbPassword="mYpAsSw0rd"
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# TODO: Your webserver user
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webserverUser="www-data"
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# File names for backup files
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# If you prefer other file names, you'll also have to change the NextcloudRestore.sh script.
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fileNameBackupFileDir="nextcloud-filedir.tar.gz"
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fileNameBackupDataDir="nextcloud-datadir.tar.gz"
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fileNameBackupDb="nextcloud-db.sql"
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# Function for error messages
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errorecho() { cat <<< "$@" 1>&2; }
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#
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# Check for root
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#
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if [ "$(id -u)" != "0" ]
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then
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errorecho "ERROR: This script has to be run as root!"
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exit 1
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fi
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#
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# Check if backup dir already exists
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#
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if [ ! -d "${backupdir}" ]
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then
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mkdir -p "${backupdir}"
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else
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errorecho "ERROR: The backup directory ${backupdir} already exists!"
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exit 1
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fi
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#
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# Set maintenance mode
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#
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echo "Set maintenance mode for Nextcloud..."
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cd "${nextcloudFileDir}"
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sudo -u "${webserverUser}" php occ maintenance:mode --on
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cd ~
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echo "Done"
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#
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# Stop webserver
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#
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echo "Stopping nginx..."
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service nginx stop
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echo "Done"
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#
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# Backup file and data directory
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#
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echo "Creating backup of Nextcloud file directory..."
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tar -cpzf "${backupdir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}" .
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echo "Done"
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echo "Creating backup of Nextcloud data directory..."
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tar -cpzf "${backupdir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}" .
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echo "Done"
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#
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# Backup DB
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#
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echo "Backup Nextcloud database..."
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mysqldump --single-transaction -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" > "${backupdir}/${fileNameBackupDb}"
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echo "Done"
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#
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# Start webserver
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#
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service nginx start
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#
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# Disable maintenance mode
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#
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cd "${nextcloudFileDir}"
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sudo -u "${webserverUser}" php occ maintenance:mode --off
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cd ~
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echo "DONE!"
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echo "Backup created: ${backupdir}"
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