hosts/sagittarius/headscale.nix


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{ config, ... }:
let
  domain = "headscale.sorre.xyz";
  port = 5892;
in
{
  imports = [ ./web/acme.nix ];

  services.headscale = {
    enable = true;
    inherit port;
    address = "127.0.0.1";
    settings = {
      server_url = "https://${domain}";
      dns = {
        base_domain = "sorre.internal";
        nameservers.global = [ "1.1.1.1" "2301:db8:acad:a::1" ];
        extra_records = [
          {
            name = "vaultwarden.sorre.internal";
            type = "AAAA";
            value = "100.64.0.3";
          }
          {
            name = "git.sorre.internal";
            type = "AAAA";
            value = "100.64.0.3";
          }
        ];
      };
    };
  };
  environment.systemPackages = [ config.services.headscale.package ];

  services.nginx.virtualHosts."${domain}" = {
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = "http://localhost:${toString port}";
      proxyWebsockets = true;
    };
  };

  # also enable the tailscale client since this is a node too
  services.tailscale = {
    enable = true;
    openFirewall = true;
  };
  networking.firewall = {
    checkReversePath = "loose";
    trustedInterfaces = [ "tailscale0" ];
    allowedUDPPorts = [ config.services.tailscale.port ];
  };
}