176 lines
4.6 KiB
Nix
176 lines
4.6 KiB
Nix
{
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config,
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lib,
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namespace,
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...
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}:
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with lib;
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let
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cfg = config.${namespace}.hardware.disko;
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defaultBtrfsMountOptions = [
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"compress=${cfg.compression}"
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"noatime"
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];
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defaultBcachefsMountOptions = [
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"noatime"
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];
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subvolumes =
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let
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make =
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name: subvolume:
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nameValuePair "${name}" {
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mountOptions =
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if subvolume.mountOptions == null then
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if cfg.filesystem == "btrfs" then defaultBtrfsMountOptions else defaultBcachefsMountOptions
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else
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subvolume.mountOptions;
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mountpoint = if subvolume.mountPoint == null then "/${name}" else subvolume.mountPoint;
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};
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in
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mapAttrs' make cfg.subvolumes;
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# BTRFS root partition configuration
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root = {
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name = "${config.${namespace}.network.hostName}-${cfg.filesystem}-root";
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size = "100%";
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content = {
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type = cfg.filesystem;
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# Subvolumes must set a mountpoint in order to be mounted,
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# unless their parent is mounted
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subvolumes = subvolumes;
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}
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// (
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if cfg.filesystem == "btrfs" then
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{
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extraArgs = [ "-f" ]; # Override existing partition
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}
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else
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{
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# This refers to a filesystem in the `bcachefs_filesystems` attrset below.
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filesystem = "mounted_subvolumes_in_multi";
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label = "ssd.ssd1";
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extraFormatArgs = [
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"--discard"
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];
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}
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);
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};
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# Luks root partition configuration
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luksRoot = {
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name = "${config.${namespace}.network.hostName}-cryptroot";
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size = "100%";
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content = {
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type = "luks";
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name = "cryptroot";
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extraOpenArgs = [
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"--allow-discards"
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"--perf-no_read_workqueue"
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"--perf-no_write_workqueue"
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];
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settings = {
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crypttabExtraOpts = [
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"fido2-device=auto"
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"token-timeout=10"
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];
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};
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content = {
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type = cfg.filesystem;
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# Subvolumes must set a mountpoint in order to be mounted,
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# unless their parent is mounted
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subvolumes = subvolumes;
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}
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// (
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if cfg.filesystem == "btrfs" then
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{
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extraArgs = [ "-f" ]; # Override existing partition
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}
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else
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{
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# This refers to a filesystem in the `bcachefs_filesystems` attrset below.
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filesystem = "mounted_subvolumes_in_multi";
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label = "ssd.ssd1";
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extraFormatArgs = [
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"--discard"
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];
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}
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);
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};
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};
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in
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{
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imports = [ ./options.nix ];
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config = lib.mkIf cfg.enable {
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disko.devices = lib.mkMerge [
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{
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nodev."/" = {
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fsType = "tmpfs";
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mountOptions = [
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"mode=755"
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"defaults"
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"size=25%"
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];
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};
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disk = {
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main = {
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device = cfg.rootDisk;
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type = "disk";
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imageSize = "32G";
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content = {
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type = "gpt";
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partitions = {
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FIRMWARE = lib.mkIf cfg.enableFirmware {
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priority = 1;
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name = "${config.${namespace}.network.hostName}-FIRMWARE";
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start = "1M";
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end = "1G";
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type = "0700";
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot/firmware";
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mountOptions = [ "umask=0077" ];
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};
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};
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ESP = {
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priority = if cfg.enableFirmware then 2 else 1;
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type = "EF00";
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size = "500M";
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name = "${config.${namespace}.network.hostName}-EFI";
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot";
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mountOptions = [ "umask=0077" ];
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};
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};
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swap = lib.mkIf cfg.enableSwap {
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type = "8200";
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size = cfg.swapSize;
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};
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root = if cfg.enableLuks then luksRoot else root;
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};
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};
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};
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};
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# configure Bcachefs
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bcachefs_filesystems = lib.mkIf (cfg.filesystem == "bcachefs") {
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mounted_subvolumes_in_multi = {
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type = "bcachefs_filesystem";
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# passwordFile = "/etc/nixos/pool.jwe";
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extraFormatArgs = [
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"--compression=${cfg.compression}"
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];
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subvolumes = subvolumes;
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};
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};
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}
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];
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};
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}
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