rix101/hosts/nixos/x86_64-linux/jeeves/disko.nix

205 lines
6 KiB
Nix

{ inputs, outputs, lib, pkgs, config, ... }:
{
imports = [
inputs.disko.nixosModules.disko
];
environment.systemPackages = with pkgs; [
# `statfs` for btrfs commands
gocryptfs
];
# If on installer
disko.enableConfig = true;
# `head -c 8 /etc/machine-id`
networking.hostId = "1418566e";
# NOTE: needed for mounting `/key` (for LUKS)
boot.initrd.kernelModules = [
"uas"
"ext4"
];
# HACK: for troubleshooting
# see https://github.com/NixOS/nixpkgs/blob/9d6655c6222211adada5eeec4a91cb255b50dcb6/nixos/modules/system/boot/stage-1-init.sh#L45-L49
boot.initrd.preFailCommands = ''
export allowShell=1
'';
# NOTE: doesn't get mounted early enough, see below
# fileSystems."/key" = {
# device = "/dev/disk/by-partlabel/key";
# fsType = "ext4";
# neededForBoot = true;
# };
disko = {
devices = {
disk = {
# NOTE: we could do this to setup a usb for the keys
# but disko overrides it with no option of ignoring when partitioning
# (i.e. tell disko to only use this only for decalartion)
# key = {
# type = "disk";
# device = "/dev/disk/by-id/usb-USB2.0_Flash_Disk_1000000000001D8B-0";
# content = {
# type = "gpt";
# partitions = {
# key = {
# label = "key";
# size = "100%";
# content = {
# type = "filesystem";
# format = "ext4";
# mountpoint = "/key";
# };
# };
# };
# };
# };
ssd1 = {
type = "disk";
device = "/dev/disk/by-id/nvme-eui.e8238fa6bf530001001b448b4ebde3a6";
content = {
type = "gpt";
partitions = {
boot = {
label = "boot_mbr";
size = "1M";
type = "EF02"; # for grub MBR
priority = 1;
};
ESP = {
label = "boot";
size = "512M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
priority = 2;
};
root = {
label = "root";
size = "100%";
content = {
type = "luks";
name = "root";
extraOpenArgs = [ ];
settings = {
keyFile = "/key/root";
# HACK: we need to manually wait for and mount the partition containing the keys
preOpenCommands = ''
# Prepare (kernel modules and directory for mounting)
modprobe uas
modprobe ext4
mkdir -m "0755" -p "/key"
# Loop until mounted (+ initial wait)
sleep 5
until mount -n -t "ext4" -o "ro" "/dev/disk/by-partlabel/key" "/key" 2>&1 1>/dev/null; do
echo 'Could not find a partition with label `key` (at `/dev/disk/by-partlabel/key`), retrying...'
sleep 2
done
'';
};
content = {
type = "btrfs";
extraArgs = [ "-f" ]; # Override existing partition
subvolumes = {
"/root" = {
mountpoint = "/";
};
};
};
};
priority = 3;
};
};
};
};
hdd1 = {
type = "disk";
device = "/dev/disk/by-id/ata-WDC_WD8003FFBX-68B9AN0_VYJB5TUM";
content = {
type = "gpt";
partitions = {
mdadm = {
label = "hdd1";
size = "100%";
content = {
type = "mdraid";
name = "tank";
};
};
};
};
};
hdd2 = {
type = "disk";
device = "/dev/disk/by-id/ata-WDC_WD8003FFBX-68B9AN0_VYHZTWSM";
content = {
type = "gpt";
partitions = {
mdadm = {
label = "hdd2";
size = "100%";
content = {
type = "mdraid";
name = "tank";
};
};
};
};
};
};
mdadm = {
tank = {
type = "mdadm";
level = 1;
content = {
type = "luks";
name = "tank";
extraOpenArgs = [ "--allow-discards" ];
settings.keyFile = "/key/tank";
content = {
type = "btrfs";
extraArgs = [ "-f" ]; # Override existing partition
subvolumes = {
"/home" = {
mountpoint = "/home";
mountOptions = [
"compress=zstd"
];
};
"/nix" = {
mountpoint = "/nix";
mountOptions = [
"compress=zstd"
"noatime"
];
};
"/data" = {
mountpoint = "/data";
mountOptions = [
"compress=zstd"
];
};
"/data/media" = { };
"/data/torrents" = { };
"/data/torrents/download" = { };
"/data/torrents/incomplete" = { };
"/data/media/jellyfin" = { };
"/data/samba" = { };
"/data/samba/private" = { };
"/data/samba/public" = { };
};
};
};
};
};
};
};
}