nixos-config/modules/host.nix

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{
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lib, pkgs
}:
config: {
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userName
, hostName
, wireless ? false
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, wifiInterface ? ""
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, overlays ? []
, hardwareImports ? [ "generic" ]
, programImports ? []
, extraImports ? []
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, isVM ? false
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, fileSystems
, swapDevices ? []
, extraPackages ? pkgs: []
, extraOptions ? old: {}
}:
let
overlaysSet = import ../overlays { pkgs = pkgs; lib = lib; };
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network = import ./network.nix;
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home-manager = builtins.fetchGit {
url = "https://github.com/nix-community/home-manager.git";
rev = "35a24648d155843a4d162de98c17b1afd5db51e4";
ref = "release-21.05";
};
baseConfig = {
# Install home-manager
imports = [
"${home-manager}/nixos"
./users # For system.singleUser
(./users + "/${userName}.nix")
] ++ (map (item: ./programs + "/${item}") programImports)
++ (map (item: ./hardware + "/${item}.nix") hardwareImports)
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++ lib.optional wireless ./hardware/wifi.nix
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++ (map (item: ./. + "/${item}") extraImports);
home-manager.useGlobalPkgs = true;
nixpkgs.overlays = (map (item: lib.getAttr item overlaysSet) overlays);
time.timeZone = "Europe/Berlin";
networking = {
useDHCP = false; # Done by the network manager
networkmanager.enable = false;
#interfaces.*.useDHCP = false;
hostName = hostName;
wireless.enable = (if wireless then true else lib.mkForce false);
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hosts = lib.mkIf (!isVM) {
"${network.miku}" = [ "miku.local" ];
"${network.nishimiya}" = [ "nishimiya.local" ];
"${network.ayame}" = [ "ayame.local" ];
"${network.tamaki}" = [ "tamaki.local" ];
};
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};
i18n.defaultLocale = "en_GB.UTF-8";
console = {
font = "Lat2-Terminus16";
keyMap = "de";
};
users = {
mutableUsers = false;
extraUsers = {
root = {
# Disable root login
hashedPassword = "*";
};
};
};
environment = {
systemPackages = with pkgs; [
htop
vim
git # Otherwise we cannot install home-manager
git-crypt
gnupg
python3
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# RT scheduling
rtkit
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] ++ extraPackages pkgs
++ lib.optionals (!isVM) (with pkgs; [ gopass ]);
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sessionVariables = {
# Prevent us from having to always type it out
NIXOS_CONFIG = "/home/${config.system.singleUser}/Development/Personal/nixos-config/hosts/${config.networking.hostName}.nix";
};
};
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fonts.fonts = with pkgs; [
# CJK fonts
source-han-sans source-han-serif
];
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# We don't tolerate non-free software, except for Steam and Linux firmware
nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
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"firmwareLinuxNonfree" "microcodeAmd" "microcodeIntel"
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"steam" "steam-original" "steam-runtime"
"discord"
];
services = {
connman = {
enable = true;
extraFlags = [ "--nodnsproxy" ];
wifi = lib.mkIf wireless {
# TODO: Maybe try out iwd
backend = "wpa_supplicant";
};
};
# TODO: Is this correct? Maybe run once
timesyncd.enable = false;
# Everyone needs sound
pipewire = {
enable = true;
pulse.enable = true;
alsa.enable = true;
alsa.support32Bit = true;
};
# On desktop: Monitor keyboards, mice, ...
# On portable devices: Monitor their battery
upower.enable = true;
# What generated entropy?
haveged.enable = true;
printing.enable = lib.mkDefault false;
avahi.enable = false;
# For debugging.
# TODO: Lock to known IPs and keys
sshd.enable = true;
};
# Don't wait for a network connection
systemd.services.NetworkManager-wait-online.enable = false;
security.sudo.extraConfig = ''
Defaults env_keep += "NIXOS_CONFIG"
'';
hardware = {
enableRedistributableFirmware = true;
# This is a Pipewire household!
pulseaudio.enable = false;
opengl = {
enable = true;
driSupport32Bit = true;
driSupport = true;
extraPackages = with pkgs; [ vaapiVdpau libvdpau-va-gl ];
};
# Only a subset of my devices have bluetooth
bluetooth = lib.mkIf wireless {
enable = true;
};
} // (if wireless then {
wifiInterface = wifiInterface;
} else {});
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boot = {
loader = {
systemd-boot.enable = true;
efi.canTouchEfiVariables = true;
};
};
fileSystems = fileSystems;
swapDevices = swapDevices;
system.stateVersion = "21.05";
};
in lib.attrsets.recursiveUpdate baseConfig (extraOptions baseConfig)