118 lines
2.8 KiB
Nix
118 lines
2.8 KiB
Nix
{ config, pkgs, lib, ... }:
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{
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imports = [
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./hardware-configuration.nix
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];
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config = {
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system.stateVersion = "23.11";
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networking.hostName = "boron";
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networking.domain = "cx.ts.hillion.co.uk";
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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boot.kernelParams = [ "ip=dhcp" ];
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boot.initrd = {
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availableKernelModules = [ "igb" ];
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network.enable = true;
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clevis = {
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enable = true;
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useTang = true;
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devices = {
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"disk0-crypt".secretFile = "/data/disk_encryption.jwe";
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"disk1-crypt".secretFile = "/data/disk_encryption.jwe";
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};
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};
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};
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custom.defaults = true;
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## Kernel
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### Explicitly use the latest kernel at time of writing because the LTS
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### kernels available in NixOS do not seem to support this server's very
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### modern hardware.
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boot.kernelPackages = pkgs.linuxPackages_6_8;
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## Enable btrfs compression
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fileSystems."/data".options = [ "compress=zstd" ];
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fileSystems."/nix".options = [ "compress=zstd" ];
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## Impermanence
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custom.impermanence.enable = true;
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## Custom Services
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custom = {
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locations.autoServe = true;
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services = {
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gitea.actions = {
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enable = true;
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tokenSecret = ../../secrets/gitea/actions/boron.age;
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};
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};
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};
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## Enable ZRAM to help with root on tmpfs
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zramSwap = {
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enable = true;
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memoryPercent = 200;
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algorithm = "zstd";
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};
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## Filesystems
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services.btrfs.autoScrub = {
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enable = true;
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interval = "Tue, 02:00";
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# By default both /data and /nix would be scrubbed. They are the same filesystem so this is wasteful.
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fileSystems = [ "/data" ];
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};
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## Networking
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boot.kernel.sysctl = {
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"net.ipv4.ip_forward" = true;
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"net.ipv6.conf.all.forwarding" = true;
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};
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networking = {
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useDHCP = false;
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interfaces = {
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enp6s0 = {
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name = "eth0";
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useDHCP = true;
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ipv6.addresses = [{
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address = "2a01:4f8:173:23d2::2";
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prefixLength = 64;
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}];
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};
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};
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defaultGateway6 = {
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address = "fe80::1";
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interface = "eth0";
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};
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};
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networking.firewall = {
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trustedInterfaces = [ "tailscale0" ];
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allowedTCPPorts = lib.mkForce [ ];
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allowedUDPPorts = lib.mkForce [ ];
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interfaces = {
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eth0 = {
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allowedTCPPorts = lib.mkForce [
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];
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allowedUDPPorts = lib.mkForce [
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];
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};
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};
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};
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## Tailscale
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age.secrets."tailscale/boron.cx.ts.hillion.co.uk".file = ../../secrets/tailscale/boron.cx.ts.hillion.co.uk.age;
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services.tailscale = {
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enable = true;
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authKeyFile = config.age.secrets."tailscale/boron.cx.ts.hillion.co.uk".path;
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};
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};
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}
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