nixos-config/hosts/plover/modules/hardware/hetzner-cloud-cx21.nix

81 lines
2.2 KiB
Nix

{ config, lib, pkgs, modulesPath, ... }:
# Most of the filesystems listed here are supposed to be overriden to default
# settings of whatever image format configuration this host system will import
# from nixos-generators.
let
network = import ./networks.nix;
inherit (network) publicIP publicIPv6 privateNetworkGatewayIP;
in
{
imports = [
(modulesPath + "/profiles/qemu-guest.nix")
];
boot.loader.grub.device = "/dev/sda";
boot.initrd.availableKernelModules = [ "ata_piix" "virtio_pci" "virtio_scsi" "xhci_pci" "sd_mod" "sr_mod" ];
boot.initrd.kernelModules = [ "nvme" ];
fileSystems."/" = lib.mkOverride 2000 {
label = "nixos";
fsType = "ext4";
options = [ "defaults" ];
};
fileSystems."/boot" = lib.mkOverride 2000 {
label = "boot";
fsType = "vfat";
};
zramSwap = {
enable = true;
numDevices = 1;
};
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
networking = {
useDHCP = false;
usePredictableInterfaceNames = true;
useNetworkd = true;
# We're using networkd to configure so we're disabling this
# service.
dhcpcd.enable = false;
};
# The interface configuration is based from the following discussion:
# https://discourse.nixos.org/t/nixos-on-hetzner-cloud-servers-ipv6/221/
systemd.network = {
enable = true;
networks."20-wan" = {
matchConfig.Name = "ens3";
address = [
# Public IPs.
publicIP
"${publicIPv6}1/64"
# The private network IP.
"172.23.0.0/16"
# Randomly generate from the IPv6 range.
"::"
];
routes = [
# Configuring the route with the gateway addresses for this network.
{ routeConfig.Gateway = "fe80::1"; }
{ routeConfig.Destination = privateNetworkGatewayIP; }
{ routeConfig = { Gateway = privateNetworkGatewayIP; GatewayOnLink = true; }; }
];
};
};
# This is to look out for any errors that will occur for my networking setup
# which is always a possibility.
systemd.services.systemd-networkd.serviceConfig.Environment = "SYSTEMD_LOG_LEVEL=debug";
}