Snapper-Rollback

Python script to rollback BTRFS systems using the ArchWiki suggested subvolume layout

Installation

ArchLinux

Install through the AUR, or download the PKGBUILD file and run makepkg -sri while in the same directory

Other

git clone 'https://github.com/jrabinow/snapper-rollback.git'
cd snapper-rollback
sudo cp snapper-rollback.py /usr/local/sbin/snapper-rollback
sudo cp snapper-rollback.conf /etc/

Config file

Edit /etc/snapper-rollback.conf and make sure all the settings have the right values. You don't have to do this, but if you don't, you'll have to manually mount your btrfs root subvolume to /btrfsroot before running the script.

Usage

usage: snapper-rollback.py [-h] [--dry-run] [-c CONFIG] SNAPID

Rollback to snapper snapshot based on snapshot ID

positional arguments:
  SNAPID                ID of snapper snapshot

optional arguments:
  -h, --help            show this help message and exit
  --dry-run             don't actually do anything, just print the actions out
  -c CONFIG, --config CONFIG
                        configuration file to use (default: /etc/snapper-
                        rollback.conf)

Example usage

$ snapper list
 # | Type   | Pre # | Date                            | User | Cleanup  | Description  | Userdata
 ---+--------+-------+---------------------------------+------+----------+--------------+---------------------
 0  | single |       |                                 | root |          | current      |
 1  | single |       | Mon 19 Jul 2021 08:59:01 PM PDT | root |          | base_install |
 2  | single |       | Fri 30 Jul 2021 10:00:08 PM PDT | root | timeline | timeline     |
 3  | single |       | Fri 30 Jul 2021 11:00:08 PM PDT | root | timeline | timeline     |
$ snapper-rollback 1        # let's revert back to the snapshot whos description is `base_install`
Are you SURE you want to rollback? Type 'CONFIRM' to continue: CONFIRM
2021-10-17 23:25:47,889 - INFO - Rollback to /btrfsroot/@snapshots/1/snapshot complete. Reboot to finish

Credits

@GabTheBab for creating the first iteration of this script and for sharing it on the AUR.
Original repo here: https://gitlab.freedesktop.org/Gabby/rollback