Continue refactor towards disko

This commit is contained in:
Jimbo 2024-11-06 11:49:40 -05:00
parent f2cdf01122
commit fe16e208b6
25 changed files with 476 additions and 249 deletions

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{ pkgs, ... }:
{
boot = {
initrd = {
systemd = {
enable = true;
services.root-reset = {
description = "Reset root and snapshot last boot";
wantedBy = [ "initrd.target" ];
after = [ "dev-${config.networking.hostName}-root.device" ];
before = [ "sysroot.mount" ];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir -p /mnt
mount /dev/${config.networking.hostName}/root /mnt
if [[ -e /mnt/prev ]]; then
btrfs subvolume delete /mnt/prev
fi
btrfs subvolume snapshot /mnt/root /mnt/prev
btrfs subvolume list -o /mnt/root | cut -f9 -d' ' | while read subvolume; do
btrfs subvolume delete "/mnt/$subvolume"
done
btrfs subvolume delete /mnt/root
btrfs subvolume create /mnt/root
umount /mnt
'';
};
};
};
};
}

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{ disko, config, ... }:
{
imports = [ disko.nixosModules.disko ];
disko.devices = {
disk = {
"${config.networking.hostName}" = {
type = "disk";
device = "/dev/nvme0n1";
content = {
type = "gpt";
partitions = {
ESP = {
size = "2G";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
luks = {
size = "100%";
content = {
type = "luks";
name = "${config.networking.hostName}-disk";
settings.allowDiscards = true;
passwordFile = "/tmp/secret.key";
content = {
type = "lvm_pv";
vg = "${config.networking.hostName}";
};
};
};
};
};
};
};
lvm_vg = {
"${config.networking.hostName}" = {
type = "lvm_vg";
lvs = {
root = {
size = "100%";
content = {
type = "btrfs";
extraArgs = [ "-f" ];
subvolumes = {
"/root" = {
mountpoint = "/";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/prev" = {
mountpoint = "/prev";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/nix" = {
mountpoint = "/nix";
mountOptions = [ "compress=zstd" "noatime" ];
};
# Impermanence
"/persist" = {
mountpoint = "/persist";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/persist/.snapshots" = { };
"/jimbo" = {
mountpoint = "/persist/home/jimbo";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/jimbo/.snapshots" = { };
};
};
};
swap = {
size = "8G";
content = {
type = "swap";
discardPolicy = "both";
};
};
};
};
};
};
# Needed for impermanence
fileSystems = {
"/persist".neededForBoot = true;
"/persist/home/jimbo".neededForBoot = true;
};
}

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@ -1,14 +0,0 @@
{ ... }:
{
imports = [
../../../modules/home/users
../../../modules/home/programs/misc/headless
../../../modules/home/programs/terminal/fastfetch
../../../modules/home/programs/terminal/git
../../../modules/home/programs/terminal/neovim
../../../modules/home/programs/terminal/ranger
../../../modules/home/programs/terminal/tmux
../../../modules/home/programs/terminal/zsh
../../../variables/domains
];
}