chrony: add nixos test for ptp_kvm

  cfssl = handleTestOn ["aarch64-linux" "x86_64-linux"] ./cfssl.nix {};

  charliecloud = handleTest ./charliecloud.nix {};

  chromium = (handleTestOn ["aarch64-linux" "x86_64-linux"] ./chromium.nix {}).stable or {};

  chrony-ptp = handleTestOn ["aarch64-linux" "x86_64-linux"] ./chrony-ptp.nix {};

  cinnamon = handleTest ./cinnamon.nix {};

  cjdns = handleTest ./cjdns.nix {};

  clickhouse = handleTest ./clickhouse.nix {};

import ./make-test-python.nix ({ lib, ... }:

{

  name = "chrony-ptp";

  nodes = {

    qemuGuest = { lib, ... }: {

      boot.kernelModules = [ "ptp_kvm" ];

      services.chrony = {

        enable = true;

        extraConfig = ''

          refclock PHC /dev/ptp_kvm poll 2 dpoll -2 offset 0 stratum 3

        '';

      };

    };

  };

  testScript = ''

    start_all()

    qemuGuest.wait_for_unit('multi-user.target')

    qemuGuest.succeed('systemctl is-active chronyd.service')

  '';

})