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mjallen18
2025-08-18 20:54:03 -05:00
parent 2623efc997
commit 05affb6b1f
3 changed files with 65 additions and 79 deletions
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129
modules/nixos/disko/x86_64-linux/default.nix
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@@ -1,95 +1,82 @@
{
config,
lib,
system,
namespace,
...
}:
let
cfg = config.${namespace}.hardware.disko;
isArm = builtins.match "aarch64*" system != null;
rootDisk = "/dev/nvme0n1";
in
{
imports = [ ../options.nix ];
config = lib.mkIf (cfg.enable && !isArm) {
config = lib.mkIf (!isArm) {
disko.devices = {
nodev."/" = {
fsType = "tmpfs";
mountOptions = [
"mode=755"
"defaults"
"size=25%"
"size=2G"
];
};
# root disk setup
disk.main = {
type = "disk";
device = rootDisk;
imageSize = "32G";
content = {
type = "gpt";
# specify partitions
partitions = {
# /boot
ESP = {
priority = 1;
name = "ESP";
start = "1M";
end = "1G";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
root = {
name = "btrfs-root";
size = "100%";
content = {
type = "btrfs";
extraArgs = [ "-f" ]; # Override existing partition
# Subvolumes must set a mountpoint in order to be mounted,
# unless their parent is mounted
subvolumes = {
"home" = {
mountOptions = [ "compress=zstd" ];
mountpoint = "/home";
};
"root" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/root";
};
"nix" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/nix";
};
"etc" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/etc";
};
"log" = {
mountOptions = [
"compress=zstd"
"noatime"
];
mountpoint = "/var/log";
};
disk = {
main = {
device = rootDisk;
type = "disk";
imageSize = "15G";
content = {
type = "gpt";
partitions = {
ESP = {
type = "EF00";
size = "100M";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
root = {
size = "100%";
content = {
type = "bcachefs";
# This refers to a filesystem in the `bcachefs_filesystems` attrset below.
filesystem = "mounted_subvolumes_in_multi";
label = "ssd.ssd1";
extraFormatArgs = [
"--discard"
];
};
};
};
};
};
};
bcachefs_filesystems = {
mounted_subvolumes_in_multi = {
type = "bcachefs_filesystem";
# passwordFile = "/etc/nixos/pool.jwe";
extraFormatArgs = [
"--compression=zstd"
];
subvolumes = {
"subvolumes/root" = {
mountpoint = "/root";
};
"subvolumes/home" = {
mountpoint = "/home";
};
"subvolumes/nix" = {
mountpoint = "/nix";
};
"subvolumes/etc" = {
mountpoint = "/etc";
};
"subvolumes/log" = {
mountpoint = "/var/log";
};
};
};