Add .sh extension and improve control structure to avoid else statement
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README.md
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README.md
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# vaultwarden-backup
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This script saves the Vaultwarden SQLite database, and sends a message to a Telegram bot.
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## Introduction
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The SQLite database file (`db.sqlite3`) stores almost all important Vaultwarden data/state (database entries, users, organizations, device metadata...), with the main exception being attachments, which are stored as separate files on the filesystem.
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You should generally use the `.backup` command in the SQLite CLI to back up the database file. This command uses the [Online Backup API][online_backup_api], which SQLite documents as the [best way][best_way] to back up a database file that may be in active use. If you can ensure the database will not be in use when a backup runs, you can also use other methods such as the `.dump` command, or simply copying all the SQLite database files (including the `-wal` file, if present).
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The SQLite database file (`db.sqlite3`) stores almost all important Vaultwarden data/state (database entries, users,
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organizations, device metadata...), with the main exception being attachments, which are stored as separate files on the
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filesystem.
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You should generally use the `.backup` command in the SQLite CLI to back up the database file. This command uses
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the [Online Backup API][online_backup_api], which SQLite documents as the [best way][best_way] to back up a database
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file that may be in active use. If you can ensure the database will not be in use when a backup runs, you can also use
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other methods such as the `.dump` command, or simply copying all the SQLite database files (including the `-wal` file,
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if present).
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You can learn more here: https://github.com/dani-garcia/vaultwarden/wiki/Backing-up-your-vault
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## Requirements
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### Software
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It is clearly necessary to have deployed a Vaultwarden instance on your server. I wrote an article about this topic here: https://illuad.fr/2020/06/11/install-vaultwarden.html
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Since a message is sent to a Telegram bot, it is necessary to have one configured. I wrote an article about this topic here: https://illuad.fr/2020/10/27/get-a-telegram-alert-on-a-ssh-login-with-pam.html
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It is clearly necessary to have deployed a Vaultwarden instance on your server. I wrote an article about this topic
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here: https://illuad.fr/2020/06/11/install-vaultwarden.html
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Since a message is sent to a Telegram bot, it is necessary to have one configured. I wrote an article about this topic
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here: https://illuad.fr/2020/10/27/get-a-telegram-alert-on-a-ssh-login-with-pam.html
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### System
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This script can run on any GNU/Linux machine.
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This script uses `sqlite3` command, so make sure it is installed on your system.
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## Installation
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Since this script must be executed with root rights, it is a good practice to place it in `/usr/local/sbin/`.
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```
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curl -LOsSf https://gitea.illuad.fr/adrien/vaultwarden-backup/raw/branch/master/vaultwarden-backup
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sudo mv vaultwarden-backup /usr/local/sbin
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sudo chmod 750 /usr/local/sbin/vaultwarden-backup
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curl -LOsSf https://gitea.illuad.fr/adrien/vaultwarden-backup/raw/branch/master/vaultwarden-backup.sh
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sudo mv vaultwarden-backup.sh /usr/local/sbin
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sudo chmod 750 /usr/local/sbin/vaultwarden-backup.sh
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```
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Create the logs' directory.
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@ -36,34 +49,38 @@ sudo mkdir -p /var/log/backup/vaultwarden-backup
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```
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## Configuration
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This script requires the configuration of 2 variables to work: `key` and `chat_id`.
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Variables `key` and `chat_id` correspond to the API key and the chat id obtained during the bot creation process.
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#### Fast variables setting
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For the `key` variable.
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```
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sudo sed -i "s/key=/key=<your_key>/" /usr/local/sbin/vaultwarden-backup
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sudo sed -i "s/key=/key=<your_key>/" /usr/local/sbin/vaultwarden-backup.sh
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```
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For the `chat_id` variable.
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```
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sudo sed -i "s/chat_id=/chat_id=<your_chat_id>/" /usr/local/sbin/vaultwarden-backup
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sudo sed -i "s/chat_id=/chat_id=<your_chat_id>/" /usr/local/sbin/vaultwarden-backup.sh
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```
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## Automation
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Running this script automatically is a good idea, here is what you should have in the cron jobs of the root user.
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```
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sudo crontab -l
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*/15 * * * * /usr/local/sbin/vaultwarden-backup
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*/15 * * * * /usr/local/sbin/vaultwarden-backup.sh
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```
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Every 15 minutes, the script will saves the Vaultwarden SQLite database into `/var/local/vaultwarden/backups/`.
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Every 15 minutes, the script will save the Vaultwarden SQLite database into `/var/local/vaultwarden/backups/`.
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If you keep all the backups, the storage space will quickly become full, so it is necessary to delete them as time goes on.
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If you keep all the backups, the storage space will quickly become full, so it is necessary to delete them as time goes
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on.
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```
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sudo crontab -l
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@ -73,6 +90,7 @@ sudo crontab -l
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Every 16 minutes, the script will delete the backups that are 60 minutes old.
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## Restore a backup
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Make sure Vaultwarden service is stopped.
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```
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@ -92,4 +110,5 @@ sudo systemctl start vaultwarden.service
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```
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[online_backup_api]: https://www.sqlite.org/backup.html
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[best_way]: https://www.sqlite.org/howtocorrupt.html#_backup_or_restore_while_a_transaction_is_active
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@ -22,11 +22,13 @@ key=
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chat_id=
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function send_message() {
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if [ $# -eq 0 ]; then
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echo "No argument supplied, please specify the message to send"
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else
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if ! [ $# -eq 0 ]; then
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curl --silent --show-error --fail --request POST "https://api.telegram.org/$key/sendMessage" --data chat_id="$chat_id" --data text="$1" --output /dev/null
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exit
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fi
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echo "No argument supplied, please specify the message to send"
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exit 1
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}
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function backup_vaultwarden {
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@ -40,11 +42,12 @@ function backup_vaultwarden {
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mkdir --parents "$destination_directory"
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# Save the SQLite 3 database
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if /usr/bin/sqlite3 /var/lib/vaultwarden/data/db.sqlite3 ".backup $destination_directory/backup.sqlite3"; then
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send_message "[Backup] - Vaultwarden has just been backed up"
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else
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if ! sqlite3 /var/lib/vaultwarden/data/db.sqlite3 ".backup $destination_directory/backup.sqlite3"; then
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send_message "[Backup] - Error during Vaultwarden backup, please log in as soon as possible and see what went wrong"
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exit 1
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fi
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send_message "[Backup] - Vaultwarden has just been backed up"
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}
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backup_vaultwarden
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