initial commit
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151
nixos/configuration.nix
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151
nixos/configuration.nix
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# Edit this configuration file to define what should be installed on
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# your system. Help is available in the configuration.nix(5) man page, on
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# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
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{ config, lib, pkgs, meta, ... }:
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{
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imports =
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[ # Include the results of the hardware scan.
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];
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nix = {
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package = pkgs.nixFlakes;
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extraOptions = ''
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experimental-features = nix-command flakes
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'';
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};
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# Use the systemd-boot EFI boot loader.
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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networking.hostName = meta.hostname; # Define your hostname.
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# Pick only one of the below networking options.
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networking.networkmanager.enable = true;
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# Set your time zone.
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time.timeZone = "Asia/Karachi";
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# Configure network proxy if necessary
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# networking.proxy.default = "http://user:password@proxy:port/";
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# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
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# Select internationalisation properties.
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i18n.defaultLocale = "en_US.UTF-8";
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console = {
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font = "Lat2-Terminus16";
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keyMap = "us";
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#useXkbConfig = true; # use xkb.options in tty.
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};
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# Fixes for longhorn
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systemd.tmpfiles.rules = [
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"L+ /usr/local/bin - - - - /run/current-system/sw/bin/"
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];
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virtualisation.docker.logDriver = "json-file";
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# Enable the X11 windowing system.
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# services.xserver.enable = true;
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# Configure keymap in X11
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# services.xserver.xkb.layout = "us";
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# services.xserver.xkb.options = "eurosign:e,caps:escape";
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services.k3s = {
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enable = true;
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role = "server";
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tokenFile = /var/lib/rancher/k3s/server/token;
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extraFlags = toString ([
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"--write-kubeconfig-mode \"0644\""
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"--cluster-init"
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"--disable servicelb"
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"--disable traefik"
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"--disable local-storage"
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] ++ (if meta.hostname == "homelab-0" then [] else [
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"--server https://homelab-0:6443"
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]));
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clusterInit = (meta.hostname == "homelab-0");
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};
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services.openiscsi = {
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enable = true;
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name = "iqn.2016-04.com.open-iscsi:${meta.hostname}";
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};
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# Enable CUPS to print documents.
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# services.printing.enable = true;
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# Enable sound.
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# sound.enable = true;
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# hardware.pulseaudio.enable = true;
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# Enable touchpad support (enabled default in most desktopManager).
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# services.xserver.libinput.enable = true;
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# Define a user account. Don't forget to set a password with ‘passwd’.
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users.users.shahab = {
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isNormalUser = true;
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extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
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packages = with pkgs; [
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tree
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];
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# Created using mkpasswd
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hashedPassword = "$6$.ZlYnf2cZph4tCbM$E/JJUDirRV8MZrgX4Rh.Pi1q95tev1ZxcKjPA1I.uURv56qoWcC39MJWO9S2T5MlkPVbSLGiM8Ihfz9mERImo/";
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openssh.authorizedKeys.keys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGD/V4jLpuk7uAovkbHFr6uulfBKZmsH+BqmXIR2aYD0"
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];
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};
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# List packages installed in system profile. To search, run:
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# $ nix search wget
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environment.systemPackages = with pkgs; [
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neovim
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k3s
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cifs-utils
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nfs-utils
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git
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];
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# Some programs need SUID wrappers, can be configured further or are
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# started in user sessions.
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# programs.mtr.enable = true;
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# programs.gnupg.agent = {
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# enable = true;
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# enableSSHSupport = true;
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# };
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# List services that you want to enable:
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# Enable the OpenSSH daemon.
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services.openssh.enable = true;
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# Open ports in the firewall.
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# networking.firewall.allowedTCPPorts = [ 80 ];
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# networking.firewall.allowedUDPPorts = [ ... ];
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# Or disable the firewall altogether.
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networking.firewall.enable = false;
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# Copy the NixOS configuration file and link it from the resulting system
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# (/run/current-system/configuration.nix). This is useful in case you
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# accidentally delete configuration.nix.
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# system.copySystemConfiguration = true;
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# This option defines the first version of NixOS you have installed on this particular machine,
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# and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
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#
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# Most users should NEVER change this value after the initial install, for any reason,
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# even if you've upgraded your system to a new NixOS release.
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#
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# This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
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# so changing it will NOT upgrade your system.
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#
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# This value being lower than the current NixOS release does NOT mean your system is
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# out of date, out of support, or vulnerable.
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#
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# Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
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# and migrated your data accordingly.
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#
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# For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
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system.stateVersion = "23.11"; # Did you read the comment?
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}
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56
nixos/disko-config.nix
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56
nixos/disko-config.nix
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{
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disko.devices = {
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disk = {
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vdb = {
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type = "disk";
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device = "/dev/nvme0n1";
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content = {
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type = "gpt";
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partitions = {
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ESP = {
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priority = 1;
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name = "ESP";
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start = "1M";
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end = "128M";
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type = "EF00";
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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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};
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};
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root = {
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size = "100%";
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content = {
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type = "btrfs";
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extraArgs = [ "-f" ]; # Override existing partition
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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 = {
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# Subvolume name is different from mountpoint
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"/rootfs" = {
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mountpoint = "/";
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};
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# Subvolume name is the same as the mountpoint
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"/home" = {
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mountOptions = [ "compress=zstd" ];
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mountpoint = "/home";
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};
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# Sub(sub)volume doesn't need a mountpoint as its parent is mounted
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"/home/shahab" = { };
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# Parent is not mounted so the mountpoint must be set
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"/nix" = {
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mountOptions = [ "compress=zstd" "noatime" ];
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mountpoint = "/nix";
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};
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};
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mountpoint = "/partition-root";
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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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};
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}
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48
nixos/flake.lock
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48
nixos/flake.lock
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{
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"nodes": {
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"disko": {
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"inputs": {
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"nixpkgs": [
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"nixpkgs"
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]
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},
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"locked": {
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"lastModified": 1724031427,
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"narHash": "sha256-o1HdAf+7IGv9M13R3c+zc/sJ0QgeEnhsvHBcodI4UpM=",
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"owner": "nix-community",
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"repo": "disko",
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"rev": "4e719b38fa7c85f4f65d0308ca7084c91e7bdd6d",
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"type": "github"
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},
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"original": {
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"owner": "nix-community",
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"repo": "disko",
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"type": "github"
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}
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},
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"nixpkgs": {
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"locked": {
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"lastModified": 1723938990,
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"narHash": "sha256-9tUadhnZQbWIiYVXH8ncfGXGvkNq3Hag4RCBEMUk7MI=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "c42fcfbdfeae23e68fc520f9182dde9f38ad1890",
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"type": "github"
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},
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"original": {
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"owner": "NixOS",
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"ref": "nixos-24.05",
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"repo": "nixpkgs",
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"type": "github"
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}
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},
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"root": {
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"inputs": {
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"disko": "disko",
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"nixpkgs": "nixpkgs"
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}
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}
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},
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"root": "root",
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"version": 7
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}
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35
nixos/flake.nix
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35
nixos/flake.nix
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{
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description = "Homelab NixOS Flake";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
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# Disko
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disko.url = "github:nix-community/disko";
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disko.inputs.nixpkgs.follows = "nixpkgs";
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};
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outputs = { self, nixpkgs, disko, ... }@inputs: let
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nodes = [
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"homelab-0"
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"homelab-1"
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"homelab-2"
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];
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in {
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nixosConfigurations = builtins.listToAttrs (map (name: {
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name = name;
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value = nixpkgs.lib.nixosSystem {
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specialArgs = {
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meta = { hostname = name; };
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};
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system = "x86_64-linux";
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modules = [
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# Modules
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disko.nixosModules.disko
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./hardware-configuration.nix
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./disko-config.nix
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./configuration.nix
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];
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};
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}) nodes);
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};
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}
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24
nixos/hardware-configuration.nix
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24
nixos/hardware-configuration.nix
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# Do not modify this file! It was generated by ‘nixos-generate-config’
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# and may be overwritten by future invocations. Please make changes
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# to /etc/nixos/configuration.nix instead.
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{ config, lib, pkgs, modulesPath, ... }:
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{
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imports = [(modulesPath + "/installer/scan/not-detected.nix")];
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boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usbhid" "usb_storage" "sd_mod" ];
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boot.initrd.kernelModules = [ ];
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boot.kernelModules = [ "kvm-amd" ];
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boot.extraModulePackages = [ ];
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# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
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# (the default) this is the recommended approach. When using systemd-networkd it's
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# still possible to use this option, but it's recommended to use it in conjunction
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# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
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networking.useDHCP = lib.mkDefault true;
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# networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
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# networking.interfaces.wlo1.useDHCP = lib.mkDefault true;
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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}
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