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{ config, lib, ... }:
{
options.host-config.disko = with lib; {
root_device = mkOption {
type = types.path;
default = "/dev/nvme0n1";
example = "/dev/nvme0n1";
description = "Root device for disko and grub";
};
enable = mkOption {
type = types.bool;
default = !config.addons.virtualisation.isTestVM;
description = "Whenever to enable disko or not.";
};
};
config =
let
cfg = config.host-config.disko;
in
lib.mkIf (cfg.enable) {
services.btrfs.autoScrub = {
enable = true;
interval = "weekly";
};
disko.devices = {
disk = {
main-disk = {
device = cfg.root_device;
type = "disk";
content = {
type = "gpt";
partitions = {
ESP = {
type = "EF00";
size = "512M";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
root = {
size = "100%";
content = {
type = "btrfs";
extraArgs = [ "-f" ];
subvolumes = {
# Subvolume name is different from mountpoint
"/rootfs" = {
mountOptions = [ "compress=zstd" ];
mountpoint = "/";
};
# Subvolume name is the same as the mountpoint
"/home" = {
mountOptions = [ "compress=zstd" ];
mountpoint = "/home";
};
# Parent is not mounted so the mountpoint must be set
"/nix" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/nix";
};
# Subvolume for the swapfile
"/swap" = {
mountpoint = "/.swapvol";
swap = {
swapfile.size = "8G";
};
};
};
};
};
};
};
};
};
};
};
}
|
