195 lines
5.0 KiB
Bash
195 lines
5.0 KiB
Bash
#!/bin/bash
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#
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# Bash script for restoring backups of Nextcloud.
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# Usage: ./NextcloudRestore.sh <BackupName> (e.g. ./NextcloudRestore.sh 20170910_132703)
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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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# TODO: The directory where you store the Nextcloud backups
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backupMainDir="/mnt/Share/NextcloudBackups/"
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restore=$1
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currentRestoreDir="${mainBackupdir}/${restore}"
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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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# If your data directory is located under Nextcloud's file directory (somewhere in the web root), the data directory should not be restored separately
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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 NextcloudBackup.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 if parameter given
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#
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if [ $# != "1" ]
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then
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errorecho "ERROR: No backup name to restore given!"
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errorecho "Usage: NextcloudRestore.sh 'BackupDate'"
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exit 1
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fi
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#
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# Check for root
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#
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if [ "$(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 exists
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#
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if [ ! -d "${currentRestoreDir}" ]
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then
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errorecho "ERROR: Backup ${restore} not found!"
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exit 1
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fi
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#
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# Set maintenance mode
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#
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echo "Set maintenance mode for Nextcloud..."
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cd "${nextcloudFileDir}"
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sudo -u "${webserverUser}" php occ maintenance:mode --on
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cd ~
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echo "Done"
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echo
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#
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# Stop webserver
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#
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echo "Stopping nginx..."
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service nginx stop
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echo "Done"
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echo
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#
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# Delete old Nextcloud direcories
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#
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echo "Deleting old Nextcloud file directory..."
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rm -r "${nextcloudFileDir}"
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mkdir -p "${nextcloudFileDir}"
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echo "Done"
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echo
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echo "Deleting old Nextcloud data directory..."
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rm -r "${nextcloudDataDir}"
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mkdir -p "${nextcloudDataDir}"
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echo "Done"
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echo
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#
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# Restore file and data directory
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#
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echo "Restoring Nextcloud file directory..."
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tar -xpzf "${currentRestoreDir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}"
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echo "Done"
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echo
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echo "Restoring Nextcloud data directory..."
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tar -xpzf "${currentRestoreDir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}"
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echo "Done"
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echo
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#
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# Restore database
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#
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echo "Dropping old Nextcloud DB..."
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mysql -h localhost -u "${dbUser}" -p"${dbPassword}" -e "DROP DATABASE ${nextcloudDatabase}"
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echo "Done"
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echo
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echo "Creating new DB for Nextcloud..."
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mysql -h localhost -u "${dbUser}" -p"${dbPassword}" -e "CREATE DATABASE ${nextcloudDatabase}"
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echo "Done"
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echo
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echo "Restoring backup DB..."
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mysql -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" < "${currentRestoreDir}/${fileNameBackupDb}"
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echo "Done"
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echo
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#
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# Start webserver
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#
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echo "Starting nginx..."
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service nginx start
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echo "Done"
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echo
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#
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# Set directory permissions
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#
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echo "Setting directory permissions..."
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chown -R "${webserverUser}" "${nextcloudFileDir}"
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chown -R "${webserverUser}" "${nextcloudDataDir}"
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echo "Done"
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echo
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#
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# Update the system data-fingerprint (see https://docs.nextcloud.com/server/12/admin_manual/configuration_server/occ_command.html#maintenance-commands-label)
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#
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echo "Updating the system data-fingerprint..."
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cd "${nextcloudFileDir}"
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sudo -u "${webserverUser}" php occ maintenance:data-fingerprint
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cd ~
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echo "Done"
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echo
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#
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# Restore hardened directory permissions
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#
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echo "Set hardened directory permissions..."
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find "${nextcloudFileDir}" -type f -print0 | xargs -0 chmod 0640
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find "${nextcloudFileDir}" -type d -print0 | xargs -0 chmod 0750
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chown -R root:"${webserverUser}" "${nextcloudFileDir}"
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chown -R "${webserverUser}":"${webserverUser}" "${nextcloudFileDir}/apps/"
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chown -R "${webserverUser}":"${webserverUser}" "${nextcloudFileDir}/config/"
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chown -R "${webserverUser}":"${webserverUser}" "${nextcloudFileDir}/themes/"
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chown -R "${webserverUser}":"${webserverUser}" "${nextcloudDataDir}"
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chown root:"${webserverUser}" "${nextcloudFileDir}/.htaccess"
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chown root:"${webserverUser}" "${nextcloudDataDir}/.htaccess"
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chmod 0644 "${nextcloudFileDir}/.htaccess"
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chmod 0644 "${nextcloudDataDir}/.htaccess"
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echo "Done"
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echo
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#
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# Disbale maintenance mode
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#
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echo "Switching off maintenance mode..."
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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
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echo
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echo "DONE!"
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echo "Backup ${restore} successfully restored."
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