2024-05-05 16:21:04 +00:00

77 lines
2.0 KiB
Nix

{
config,
lib,
libS,
...
}:
let
cfg = config.boot;
in
{
options = {
boot = {
default = libS.mkOpinionatedOption "enable the boot builder";
fullDiskEncryption = libS.mkOpinionatedOption "use luks full disk encryption";
useSystemdBoot = libS.mkOpinionatedOption "use systemd boot";
cpuType = lib.mkOption {
type = lib.types.str;
example = "amd";
default = "";
description = "The cpu-type installed on the server.";
};
amdGPU = libS.mkOpinionatedOption "the system contains a AMD GPU";
filesystem = lib.mkOption {
type = lib.types.str;
example = "btrfs";
default = "ext4";
description = "The filesystem installed.";
};
};
};
config.boot = lib.mkIf cfg.default {
supportedFilesystems = [ cfg.filesystem ];
tmp.useTmpfs = true;
kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
kernelParams =
[ "nordrand" ]
++ lib.optional (cfg.cpuType == "amd") "kvm-amd"
++ lib.optional cfg.fullDiskEncryption "ip=<ip-addr>::<ip-gateway>:<netmask>";
initrd = {
kernelModules = lib.mkIf cfg.amdGPU [ "amdgpu" ];
network = lib.mkIf cfg.fullDiskEncryption {
enable = true;
ssh = {
enable = true;
port = 2222;
};
};
};
zfs = lib.mkIf (cfg.filesystem == "zfs") {
devNodes = "/dev/disk/by-id/";
forceImportRoot = true;
};
loader = {
efi.canTouchEfiVariables = false;
generationsDir.copyKernels = true;
systemd-boot = lib.mkIf cfg.useSystemdBoot {
enable = true;
configurationLimit = 10;
};
grub = lib.mkIf (!cfg.useSystemdBoot) {
enable = lib.mkForce true;
copyKernels = true;
zfsSupport = lib.mkIf (cfg.filesystem == "zfs") true;
efiSupport = true;
efiInstallAsRemovable = true;
fsIdentifier = "uuid";
enableCryptodisk = lib.mkIf cfg.fullDiskEncryption true;
};
};
};
}