DashNix/modules/programs/drives.nix

136 lines
3.1 KiB
Nix

{
lib,
config,
options,
...
}:
let
driveModule = lib.types.submodule {
options = {
name = lib.mkOption {
type = lib.types.str;
description = ''
The path of the drive.
Note that a / is already added at the beginning.
'';
default = "";
example = "drive2";
};
drive = lib.mkOption {
type = lib.types.attrsOf lib.types.anything;
description = "The attrs of the drive";
default = { };
example = {
device = "/dev/disk/by-label/DRIVE2";
fsType = "ext4";
options = [
"noatime"
"nodiratime"
"discard"
];
};
};
};
};
in
{
options.mods = {
drives = {
useSwap = {
enable = lib.mkOption {
default = true;
example = false;
type = lib.types.bool;
description = ''
Use default drive config
'';
};
};
defaultDrives = {
enable = lib.mkOption {
default = true;
example = false;
type = lib.types.bool;
description = ''
Use default drive config
'';
};
};
extraDrives = lib.mkOption {
default = [
];
example = [
{
name = "drive2";
drive = {
device = "/dev/disk/by-label/DRIVE2";
fsType = "ext4";
options = [
"noatime"
"nodiratime"
"discard"
];
};
}
];
# TODO: how to make this work
# type = with lib.types; listOf (attrsOf driveModule);
type = with lib.types; listOf (attrsOf anything);
description = ''
Extra drives to add.
'';
};
};
};
config = (
lib.optionalAttrs (options ? fileSystems) {
fileSystems =
builtins.listToAttrs (
map (
{ name, drive }:
{
name = "/" + name;
value = drive;
}
) config.mods.drives.extraDrives
)
// (lib.optionalAttrs config.mods.drives.defaultDrives.enable) {
"/" = {
device = "/dev/disk/by-label/ROOT";
fsType = "btrfs";
options = [
"noatime"
"nodiratime"
"discard"
];
};
"/boot" = {
device = "/dev/disk/by-label/BOOT";
fsType = "vfat";
options = [
"rw"
"fmask=0022"
"dmask=0022"
"noatime"
];
};
"/home" = {
device = "/dev/disk/by-label/HOME";
fsType = "btrfs";
options = [
"noatime"
"nodiratime"
"discard"
];
};
};
# TODO make this convert to choice of drives -> thanks to funny types this doesn't work...
swapDevices = lib.mkIf config.mods.drives.useSwap.enable [ { device = "/dev/disk/by-label/SWAP"; } ];
}
);
}