nixos-configs/hosts/k3s/configuration.nix

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{ config, pkgs, lib, ... }: {
imports = [
# Include the results of the hardware scan.
./hardware-configuration.nix
# Import common config
../../common/generic-vm.nix
../../common
];
# Use the systemd-boot EFI boot loader.
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
# networking.hostName = "nixos"; # Define your hostname.
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# Set your time zone.
time.timeZone = "Europe/Amsterdam";
networking.hostName = "k3s-1";
# 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. Its 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 = "21.11"; # 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
# ];
# };
virtualisation.docker.enable = true;
users.users.jdejeu.extraGroups = [ "docker" ];
}