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https://github.com/foo-dogsquared/nixos-config.git
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126 lines
3.4 KiB
Nix
126 lines
3.4 KiB
Nix
{ config, lib, pkgs, modulesPath, ... }:
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# Most of the filesystems listed here are supposed to be overriden to default
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# settings of whatever image format configuration this host system will import
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# from nixos-generators.
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let
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inherit (builtins) toString;
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inherit (import ./networks.nix) interfaces;
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# This is just referring to the same interface just with alternative names.
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mainEthernetInterfaceNames = [ "ens10" "enp0s10" ];
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internalEthernetInterfaceNames = [ "ens11" "enp0s11" ];
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in
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{
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imports = [
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(modulesPath + "/profiles/qemu-guest.nix")
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];
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boot.loader.grub.device = "/dev/sda";
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boot.initrd.availableKernelModules = [ "ata_piix" "virtio_pci" "virtio_scsi" "xhci_pci" "sd_mod" "sr_mod" ];
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boot.initrd.kernelModules = [ "nvme" ];
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fileSystems."/" = {
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label = "nixos";
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fsType = "ext4";
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options = [ "defaults" ];
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};
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fileSystems."/boot" = {
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label = "boot";
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fsType = "vfat";
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};
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zramSwap = {
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enable = true;
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numDevices = 1;
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};
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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networking = {
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enableIPv6 = true;
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usePredictableInterfaceNames = true;
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useNetworkd = true;
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# We're using networkd to configure so we're disabling this
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# service.
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useDHCP = false;
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dhcpcd.enable = false;
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};
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# The interface configuration is based from the following discussion:
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# https://discourse.nixos.org/t/nixos-on-hetzner-cloud-servers-ipv6/221/
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systemd.network = {
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enable = true;
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# For more information, you can look at Hetzner documentation from
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# https://docs.hetzner.com/robot/dedicated-server/ip/additional-ip-adresses/
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networks = {
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"20-wan" = {
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matchConfig.Name = lib.concatStringsSep " " mainEthernetInterfaceNames;
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# Setting the primary static IPs.
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address = with interfaces; [
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# The public IPs.
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"${main'.IPv4.address}/32"
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"${main'.IPv6.address}/128"
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];
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networkConfig.IPForward = true;
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gateway = [
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interfaces.main'.IPv4.gateway
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interfaces.main'.IPv6.gateway
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];
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routes = [
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{ routeConfig.Gateway = interfaces.main'.IPv6.gateway; }
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{ routeConfig.Destination = interfaces.main'.IPv4.address; }
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{
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routeConfig = {
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Gateway = interfaces.main'.IPv4.gateway;
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GatewayOnLink = true;
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};
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}
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];
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};
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"20-lan" = with interfaces.internal; {
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matchConfig.Name = lib.concatStringsSep " " internalEthernetInterfaceNames;
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address = [
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"${IPv4.address}/16"
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"${IPv6.address}/64"
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];
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gateway = [
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IPv4.gateway
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IPv6.gateway
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];
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routes = [
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{ routeConfig.Gateway = IPv6.gateway; }
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{ routeConfig.Destination = IPv4.address; }
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{
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routeConfig = {
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Gateway = IPv4.gateway;
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GatewayOnLink = true;
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};
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}
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];
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};
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"60-internal" = {
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matchConfig.Name = "ens*";
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networkConfig.DHCP = "yes";
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};
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};
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};
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# This is to look out for any errors that will occur for my networking setup
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# which is always a possibility.
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systemd.services.systemd-networkd.serviceConfig.Environment = "SYSTEMD_LOG_LEVEL=info";
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}
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