Restic Scripts

Purpose:

• Wrap restic with the ability to start/stop Docker containers
• Send updates to Loki server

Installation

Include in Repo

From a parent repo, add this one as a submodule:

git submodule add https://gitea.john-stream.com/john/restic-scripts

Then add this to the docker-compose.yml file of the parent.

include:
  - restic-scripts/docker-compose.yml

Environment Variables

Put these in ./restic-scripts/.env, which is on the .gitignore list.

Env Variable	Description
BACKUP_DIR	Directory to back up
RESTIC_REPOSITORY	Directory for the restic repository. This is usually on a mount point made from Proxmox
TZ	Set to modify the timezone shown in the scheduler

Key file

The password needs to be stored in ./restic-scripts/key. Make sure it has the right (secure) permissions.

sudo chown root:root ./restic-scripts/key && sudo chmod 600 ./restic-scripts/key

Loki Updates

Warning

This doesn't currently work on the resticprofile branch

Updates sent to Loki will have the following labels:

Label	Description
host	Hostname set by the environment variable HOSTNAME
backup	String representing the type of update e.g. backup, prune, forget, or size

Usage

Check snapshots

docker compose exec backup resticprofile snapshots

Dry-run a backup

docker compose exec backup resticprofile --dry-run backup

Check crontab entry in container

docker compose exec backup cat /var/spool/cron/crontabs/root