moved nixos to a dir

nixos/hosts/k3s/configuration.nix

@@ -0,0 +1,50 @@
+{ config, pkgs, lib, ... }: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    # Import common config
+    ../../common/generic-vm.nix
+    ../../common
+  ];
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/sda";
+
+  networking.hostName = "k3s-node1";
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "21.05"; # Did you read the comment?
+
+  # Additional packages
+  environment.systemPackages = with pkgs; [ iptables vim ];
+
+  # Disable the firewall as we need all the ports
+  networking.firewall.enable = false;
+
+  # Force-enable Cgroupv2
+  systemd.enableUnifiedCgroupHierarchy = lib.mkForce true;
+
+  # Ensure `mount` and `grep` are available 
+  systemd.services.k3s.path = [ pkgs.gnugrep pkgs.utillinux ];
+
+  # Enable k3s as a master node
+  services.k3s = {
+    enable = true;
+    role = "server";
+
+    extraFlags = builtins.toString [
+      "--data-dir=/var/lib/k3s" # Set data dir to var lib
+      "--cluster-init" # Enable embedded etcd
+      "--disable=servicelb" # disable servicelb
+      "--no-deploy=traefik" # we want to configure traefik ourselves (or use nginx instead)
+      "--cluster-cidr=10.69.0.0/16" # the default of 10.42.0.0/16 clashes with my own network
+    ];
+  };
+}

nixos/hosts/k3s/hardware-configuration.nix

@@ -0,0 +1,21 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/e8427097-8545-4924-b033-2659fcf9adca";
+    fsType = "ext4";
+  };
+
+  swapDevices = [{ device = "/dev/disk/by-uuid/63d90b92-cdde-4795-a3ab-9566ae88f43d"; }];
+
+}