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{ config, pkgs, utils, lib, ... }:
let
mkDevice = category: num: uuid: {
name = "dnyarri-${category}-crypt-${toString num}";
device = "/dev/disk/by-uuid/${uuid}";
};
cryptDevices = {
root = lib.imap (mkDevice "root") [
"b13d257e-b5fd-4f86-82b1-8bfe06335a75"
"a607c827-2fd7-49d9-a7d8-05279c8653a4"
"de32cb42-2e09-4e6a-84b4-244078d289c8"
"12dac5b2-7647-45de-b752-5efee23855d0"
];
swap = lib.imap (mkDevice "swap") [
"e0a8281d-2c68-48ca-8e00-f0defaf51f38"
"d26e61d6-c238-4c01-8c57-b1ba0bdb8c93"
];
};
bcacheMode = "writearound";
bcacheStart = ''
for i in /sys/block/bcache[0-9]*/bcache/cache_mode; do
echo ${lib.escapeShellArg bcacheMode} > "$i"
done
'';
bcacheStop = ''
for i in /sys/block/bcache[0-9]*/bcache/cache_mode; do
echo none > "$i"
done
'';
in {
vuizvui.user.aszlig.profiles.workstation.enable = true;
vuizvui.requiresTests = [
["vuizvui" "aszlig" "dnyarri" "luks2-bcache"]
];
nix.maxJobs = 8;
boot = {
loader.systemd-boot.enable = true;
loader.grub.enable = lib.mkForce false;
loader.efi.canTouchEfiVariables = true;
kernelPackages = pkgs.linuxPackages_latest;
initrd = {
availableKernelModules = [ "bcache" ];
luks.devices = lib.concatLists (lib.attrValues cryptDevices);
};
};
environment.systemPackages = [
pkgs.gpodder
pkgs.paperwork
];
# This is very ugly and I really want to avoid non-free packages on all
# of my workstations. But right now I need to get rid of useless paper.
nixpkgs.config.allowUnfreePredicate = pkg: let
inherit (builtins.parseDrvName (pkg.name or "")) name;
in name == "hplip";
nixpkgs.overlays = lib.singleton (lib.const (super: {
hplip = super.hplip.override { withPlugin = true; };
}));
hardware.sane.enable = true;
hardware.sane.extraBackends = [ pkgs.hplip ];
vuizvui.system.kernel.bfq.enable = true;
hardware.enableRedistributableFirmware = true;
networking.hostName = "dnyarri";
networking.interfaces.eno0.useDHCP = true;
fileSystems = {
"/boot" = {
device = "/dev/disk/by-uuid/9A75-9A6E";
fsType = "vfat";
};
"/" = {
label = "dnyarri-root";
fsType = "btrfs";
options = [ "autodefrag" "space_cache" "compress=zstd" "noatime" ];
};
};
powerManagement.powerUpCommands = ''
${pkgs.hdparm}/sbin/hdparm -B 255 /dev/disk/by-id/ata-ST31500541AS_5XW0AMNH
${pkgs.hdparm}/sbin/hdparm -B 255 /dev/disk/by-id/ata-ST31500541AS_6XW0M217
${bcacheStart}
'';
powerManagement.powerDownCommands = bcacheStop;
services.btrfs.autoScrub.enable = true;
# Inject preStart/postStart for activating/deactivating bcache to the scrub
# services, so we don't get large amounts of nonsense on the caching device.
systemd.services = let
scrubServiceUnits = let
mkName = fs: "btrfs-scrub-${utils.escapeSystemdPath fs}.service";
in map mkName config.services.btrfs.autoScrub.fileSystems;
in lib.genAttrs scrubServiceUnits (lib.const {
preStart = bcacheStop;
postStart = bcacheStart;
});
swapDevices = map ({ name, ... }: {
device = "/dev/mapper/${name}";
}) cryptDevices.swap;
users.users.aszlig.extraGroups = [
"scanner"
# TODO: Try to avoid this, but as there is only a single user using audio
# on this machine, it's okay for now. But remember that this will break
# heavily, should there be another user accessing the audio devices.
"audio"
];
services.xserver.videoDrivers = [ "ati" ];
services.xserver.xrandrHeads = [ "DVI-0" "HDMI-0" ];
vuizvui.user.aszlig.services.i3.workspaces."1" = {
label = "XMPP";
assign = lib.singleton { class = "^(?:Tkabber|Gajim)\$"; };
};
vuizvui.user.aszlig.services.i3.workspaces."3" = {
label = "Browser";
assign = lib.singleton { class = "^Firefox\$"; };
};
}
|
