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nix-configuration/hosts/Shura/disko.nix

105 lines
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Nix

{ lib, config, ... }:
let
cfg = config.disko;
standardMountOpts = [
"compress=zstd"
"noatime"
];
in
{
options = {
disko = {
enable = lib.mkEnableOption (lib.mdDoc "Enables Disko for disk & partition management.");
primaryDisk = lib.mkOption {
type = lib.types.attrs;
description = "The disk to format using Disko.";
default = {
name = "nvme0n1";
id = "";
};
};
enableTPM = lib.mkOption {
type = lib.types.bool;
description = "Enables TPM2 support.";
default = true;
};
swapFile = {
enable = lib.mkEnableOption (lib.mdDoc "Enables the creation of swap files.");
size = lib.mkOption {
type = lib.types.str;
description = "The size of the swap file to create (defaults to 8G, or 8 gigabytes).";
default = "8G";
};
};
};
};
config = lib.mkIf cfg.enable {
# Disk management
disko.enableConfig = false;
disko.devices = {
disk = {
main = {
type = "disk";
device = "/dev/disk/by-id/${cfg.primaryDisk.id}";
content = {
type = "gpt";
partitions = {
ESP = {
priority = 1;
name = "ESP";
label = "boot";
size = "1G";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
};
luks = {
size = "100%";
label = "nixos";
content = {
type = "luks";
name = "cryptroot";
settings = {
allowDiscards = true;
crypttabExtraOpts = lib.mkIf cfg.enableTPM [ "tpm2-device=auto" ];
};
content = {
type = "btrfs";
extraArgs = [ "-f" ]; # Override existing partitions.
# Unless otherwise specified, the subvolume name equals the mount name.
subvolumes = {
"/root" = {
mountpoint = "/";
mountOptions = standardMountOpts;
};
"/home" = {
mountOptions = standardMountOpts;
};
"/nix" = {
mountOptions = standardMountOpts;
};
"/swap" = lib.mkIf cfg.swapFile.enable {
mountpoint = "/.swap";
swap.swapfile.size = cfg.swapFile.size;
};
"/log" = {
mountpoint = "/var/log";
mountOptions = standardMountOpts;
};
};
};
};
};
};
};
};
};
};
};
}