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systemd in initrd for workstation

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This commit is contained in:
Dmitriy Kholkin 2024-09-19 23:57:25 +03:00
parent f0b88e8778
commit 21f1a37b57
Signed by: AtaraxiaDev
GPG Key ID: FD266B810DF48DF2
1 changed files with 16 additions and 7 deletions
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23
machines/AMD-Workstation/boot.nix
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@ -1,4 +1,4 @@
{ pkgs, lib, ... }:
{ config, pkgs, lib, ... }:
let
zfs_arc_max = toString (6 * 1024 * 1024 * 1024);
in {
@ -10,11 +10,9 @@ in {
supportedFilesystems = [ "zfs" ];
luks.devices = {
"cryptroot" = {
preLVM = true;
keyFile = "/keyfile0.bin";
allowDiscards = true;
bypassWorkqueues = true;
fallbackToPassword = true;
};
};
secrets = {
@ -70,8 +68,19 @@ in {
fileSystems."/home".neededForBoot = true;
fileSystems."/persist".neededForBoot = true;
boot.initrd.postDeviceCommands = lib.mkAfter ''
zfs rollback -r rpool/nixos/root@empty
zfs rollback -r rpool/user/home@empty
'';
boot.initrd.systemd.enable = true;
boot.initrd.systemd.services.rollback = {
description = "Rollback zfs to a pristine state on boot";
wantedBy = [ "initrd.target" ];
after = [ "zfs-import-rpool.service" ];
before = [ "sysroot.mount" ];
path = [ config.boot.zfs.package ];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
zfs rollback -r rpool/nixos/root@empty && echo " >>> rollback root <<<"
zfs rollback -r rpool/user/home@empty && echo " >>> rollback home <<<"
'';
};
}