nixpkgs/nixos/tests/fail2ban.nix

{ pkgs, ... }:
{
  name = "fail2ban";

  nodes.machine = _: {
    services.fail2ban = {
      enable = true;
      bantime-increment.enable = true;
    };

    services.openssh.enable = true;
  };

  testScript = ''
    machine.wait_for_unit("multi-user.target")

    machine.wait_for_unit("fail2ban")
  '';
}