# Arkanium
A toolkit for building, deploying and maintaining a btrfs-based multi-root system.

## Packaging
### Custom configurations
#### Arch Linux-based
```text
arkanium-build.d
├── customlinux			# Directory carrying a custom name
|  ├── overlay			# (Optional) Root filesystem overlay directory, contents are copied to root
|  ├── base.list		# Plain text file containing list of packages installed by pacstrap
|  ├── package.list		# (Optional) Plain text file containing list of packages installed by pacman
|  ├── systemd.services		# (Optional) Plain text file containing list of systemd services to enable
|  ├── type         		# Plain text file, for configs of the Arch type should contain `archlinux`
```

### Building an image
Use the arkanium-build script to build your customlinux images.

```shell
sudo arkanium-build customlinux

# Or alternatively using a custom image name
sudo ARKANIUM_OVERWRITE_RANDOM='customlinux_v1.0' arkanium-build customlinux
```

Once done you can find compressed and uncompressed copies of your new image in the `target` directory.

Arkanium will by default generate a psuedo-random hex string and use this as the name of your image. This behaviour can be overwritten by assigning a custom name to the `ARKANIUM_OVERWRITE_RANDOM` environment variable.

## Repository

### Example repo layout
This would be a suitable layout if `repo_url` in `/arkanium/config` is set to `https://repo.example.com/arkanium`.
```text
repo.example.com
├── arkanium
|  ├── list		                # Plain text file containing names of all available image types
|  ├── customlinux
|  |  ├── database		        # Plain text file containing : delimited lists of all available images `image_name:compression_method:sha1sum`
|  |  ├── customlinux_v1.0.tar.zst	# Compressed disk images
```

### Example repository configuration
The list file in part optional, is it not utilized during the deployment process, but the user may use with the `arkanium-deploy list` command which lists all available images.
```text
customlinux
customlinux-gnome
customlinux-kde
```

The `database` file contains a `:` delimited list of all available images.
```text
customlinux_v1.0:zst:80ba4c7f3ff7a0ebce8e67d5b73f87c56af1b9f3
customlinux_v2.0:zst:d5f45b2dac77399b37231c6ec4e864d184d35cf1
ddc4106c02de28a77e5f7d5e5d83a1089d07544ddd:xz:5934ad0e7c5c9d453fb3d89e59b8ce71bbec3edc
```