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pages/02.administer/20.backups/10.backup_methods/01.borgbackup/borgbackup.md
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@ -30,25 +30,36 @@ The future default backup method integrated in YunoHost will be based on this so
!!! To set up, first install the [borg application](https://github.com/YunoHost-Apps/borg_ynh), then optionally the [borgserver application](https://github.com/YunoHost-Apps/borgserver_ynh). !!! To set up, first install the [borg application](https://github.com/YunoHost-Apps/borg_ynh), then optionally the [borgserver application](https://github.com/YunoHost-Apps/borgserver_ynh).
## Finding the borg command
The `borg` command is found inside the installation directory of the app. You should generaly prefer using this executable rather than the one installed by Debian's package, to ensure compatibility.
```bash
# Get the path to the borg executable
alias borg="$(yunohost app setting $app install_dir)/venv/bin/borg"
```
The rest of this documentation assumes this alias is present in your shell, or that you added the venv in your PATH.
## Test ## Test
With the borg apps an email is sent to say if the backup fails or if the remote repo has received nothing. However, you can manually test to make sure everything is fine in a more complete way. With the borg apps an email is sent to say if the backup fails or if the remote repo has received nothing. However, you can manually test to make sure everything is fine in a more complete way.
```bash ```bash
# List files # List files
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg list "$(yunohost app setting $app repository)" | less app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" list "$(yunohost app setting $app repository)" | less
# List database exports # List database exports
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg list "$(yunohost app setting $app repository)" | grep "(db|dump)\.sql" app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" list "$(yunohost app setting $app repository)" | grep "(db|dump)\.sql"
# List files from the archive # List files from the archive
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg list "$(yunohost app setting $app repository)::ARCHIVE" | less app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" list "$(yunohost app setting $app repository)::ARCHIVE" | less
# View archive info # View archive info
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg info "$(yunohost app setting $app repository)::ARCHIVE" app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" info "$(yunohost app setting $app repository)::ARCHIVE"
# Verify data integrity # Verify data integrity
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg check "$(yunohost app setting $app repository)::ARCHIVE" --verify-data app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" check "$(yunohost app setting $app repository)::ARCHIVE" --verify-data
``` ```
## Restore ## Restore
@ -58,13 +69,13 @@ If we are in the case of a migration or a reinstallation, we must reinstall borg
List the available archives List the available archives
```bash ```bash
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg list "$(yunohost app setting $app repository)" app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" list "$(yunohost app setting $app repository)"
``` ```
Create tar archives (one archive per app and system part) Create tar archives (one archive per app and system part)
```bash ```bash
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg export-tar "$(yunohost app setting $app repository)::ARCHIVE" /home/yunohost/archives/ARCHIVE.tar app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" export-tar "$(yunohost app setting $app repository)::ARCHIVE" /home/yunohost/archives/ARCHIVE.tar
``` ```
Then restore the archive in the usual way. Then restore the archive in the usual way.
@ -76,14 +87,14 @@ If the available space is less than the weight of your archive, decompressed dat
If restoring app by app is not enough OR if an archive is too big, it may be a good idea to generate a tarball without the "big" data of an app as if it had been generated with the [BACKUP_CORE_ONLY option](/backup/include_exclude_files#don't-save-large-quantities-of-data). Example with Nextcloud: If restoring app by app is not enough OR if an archive is too big, it may be a good idea to generate a tarball without the "big" data of an app as if it had been generated with the [BACKUP_CORE_ONLY option](/backup/include_exclude_files#don't-save-large-quantities-of-data). Example with Nextcloud:
```bash ```bash
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg export-tar -e apps/nextcloud/backup/home/yunohost.app "$(yunohost app setting $app repository)::ARCHIVE" /home/yunohost.backup/archives/ARCHIVE.tar app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" export-tar -e apps/nextcloud/backup/home/yunohost.app "$(yunohost app setting $app repository)::ARCHIVE" /home/yunohost.backup/archives/ARCHIVE.tar
``` ```
You will then have to extract these data directly with borg You will then have to extract these data directly with borg
```bash ```bash
cd /home/yunohost.app/ cd /home/yunohost.app/
app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " borg extract "$(yunohost app setting $app repository)::ARCHIVE" apps/nextcloud/backup/home/yunohost.app/ app=borg; BORG_PASSPHRASE="$(yunohost app setting $app passphrase)" BORG_RSH="ssh -i /root/.ssh/id_${app}_ed25519 -oStrictHostKeyChecking=yes " "$borg" extract "$(yunohost app setting $app repository)::ARCHIVE" apps/nextcloud/backup/home/yunohost.app/
mv apps/nextcloud/backup/home/yunohost.app/nextcloud ./ mv apps/nextcloud/backup/home/yunohost.app/nextcloud ./
rm -r apps rm -r apps
``` ```