publicConfig/hosts/k3s-nixos-01/k3s.nix

{ config, pkgs, baseVars, ... }:

{
  environment.systemPackages = with pkgs; [
    k3s
    ollama-rocm
    rocmPackages.rocm-smi
    btop
  ];

  users.users.${baseVars.username} = {
    extraGroups = [
      "video" "render"
    ];
  };

  environment.sessionVariables = {
    KUBECONFIG = "$HOME/.kube/config";
  };

  services.k3s = {
    enable = true;
    role = "server";
  };

  services.openssh = {
    enable = true;
    settings = {
      PasswordAuthentication = true;
      PermitRootLogin = "yes";
    };
  };

  systemd.services.cloudflared-connector = {
    description = "Cloudflare Tunnel Connector";
    after = [ "network.target" ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig = {
      ExecStart = "${pkgs.cloudflared}/bin/cloudflared tunnel --no-autoupdate run --token token";
      Restart = "always";
      User = "cloudflared";
      Group = "cloudflared";
    };
  };

  users.users.cloudflared = {
    group = "cloudflared";
    isSystemUser = true;
  };
  users.groups.cloudflared = { };

  networking = {
    useDHCP = false;
    dhcpcd.enable = false;

    defaultGateway = "192.168.1.254";
    nameservers = [
      "1.1.1.1"
      "8.8.8.8"
    ];

    firewall = {
      enable = false;
      allowedTCPPorts = [
        6443
        10250
        22
	      11434
      ];
      allowedUDPPorts = [ 8472 ];
    };

    interfaces.enp0s25.ipv4.addresses = [
      {
        address = "192.168.1.89";
        prefixLength = 24;
      }
    ];
  };

  services.ollama = {
	  enable = true;
	  openFirewall = true;
	  package = pkgs.ollama-rocm;
	  host = "0.0.0.0";
	  port = 11434;
	  environmentVariables = {
		  OLLAMA_ORIGINS = "https://ollama.illegalesachen.download";
	  };
  };

  services.open-webui = {
	  enable = true;
	  host = "127.0.0.1";
	  port = 11435;
	  environment = {
                  WEBUI_URL = "https://web-ui.illegalesachen.download";
		  OLLAMA_BASE_URL = "http://127.0.0.1:11434";
		  ENABLE_OAUTH_SIGNUP = "true";
		  DEFAULT_USER_ROLE = "user";
		  OAUTH_MERGE_ACCOUNTS_BY_EMAIL = "true";
		  OAUTH_CLIENT_ID = "open-webui";
		  OAUTH_CLIENT_SECRET = "...";
		  OPENID_PROVIDER_URL = "...";
	    OPENID_REDIRECT_URI= "http://web-ui.illegalesachen.download/oauth/oidc/callback";
	  };
  };

  hardware.graphics.enable = true;
  hardware.enableRedistributableFirmware = true;
}