nixos-config/machines/heimdall/configuration.nix

{ self, ... } @ inputs:
{ modulesPath, lib, ... }:
# let
#   pkgs = self.inputs.nixpkgs.legacyPackages.x86_64-linux;
# in
{
  imports = [
    "${modulesPath}/profiles/qemu-guest.nix"

    ../../users/root
    ../../users/erwin
  ];

  eboskma = {
    users.erwin = {
      enable = true;
      server = true;
    };
    headscale = {
      enable = true;
      baseDomain = "asgard.datarift.nl";
      serverUrl = "https://heimdall.datarift.nl";
    };
    nix-common = {
      enable = true;
    };
  };

  networking = {
    hostName = "heimdall";
    domain = "datarift.nl";

    nameservers = [ "8.8.8.8" ];
    defaultGateway = "172.31.1.1";
    defaultGateway6 = {
      address = "fe80::1";
      interface = "eth0";
    };
    dhcpcd.enable = false;
    usePredictableInterfaceNames = lib.mkForce false;
    interfaces = {
      eth0 = {
        ipv4.addresses = [
          { address = "159.69.211.175"; prefixLength = 32; }
        ];
        ipv6.addresses = [
          { address = "2a01:4f8:1c1e:5fb2::1"; prefixLength = 64; }
          { address = "fe80::9400:2ff:fe12:a2eb"; prefixLength = 64; }
        ];
        ipv4.routes = [{ address = "172.31.1.1"; prefixLength = 32; }];
        ipv6.routes = [{ address = "fe80::1"; prefixLength = 128; }];
      };

    };
  };
  services.udev.extraRules = ''
    ATTR{address}=="96:00:02:12:a2:eb", NAME="eth0"
  '';

  ### Hetzner stuff
  boot = {
    cleanTmpDir = true;
    loader.grub.device = "/dev/sda";
    initrd = {
      availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
      kernelModules = [ "nvme" ];
    };
  };

  fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };

  zramSwap.enable = true;
  ### END Hetzner stuff

  time.timeZone = "Europe/Amsterdam";

  system.configurationRevision = self.inputs.nixpkgs.lib.mkIf (self ? rev) self.rev;

  services.openssh = {
    enable = true;
    settings = {
      PasswordAuthentication = false;
    };
  };
  services.tailscale.enable = true;

  security.apparmor = {
    enable = true;
    killUnconfinedConfinables = true;
  };
  security.protectKernelImage = true;

  # sops.defaultSopsFile = ./secrets.yaml;
  # sops.secrets = {
  #   wireguard_key = { };
  # };

  system.stateVersion = "23.05";
}