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path: root/nixos/tests/containers-ip.nix
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let
  webserverFor = hostAddress: localAddress: {
    inherit hostAddress localAddress;
    privateNetwork = true;
    config = {
      services.httpd = {
        enable = true;
        adminAddr = "foo@example.org";
      };
      networking.firewall.allowedTCPPorts = [ 80 ];
    };
  };

in import ./make-test-python.nix ({ pkgs, lib, ... }: {
  name = "containers-ipv4-ipv6";
  meta = {
    maintainers = with lib.maintainers; [ aristid aszlig eelco kampfschlaefer ];
  };

  machine =
    { pkgs, ... }: {
      imports = [ ../modules/installer/cd-dvd/channel.nix ];
      virtualisation = {
        writableStore = true;
      };

      containers.webserver4 = webserverFor "10.231.136.1" "10.231.136.2";
      containers.webserver6 = webserverFor "fc00::2" "fc00::1";
      virtualisation.additionalPaths = [ pkgs.stdenv ];
    };

  testScript = { nodes, ... }: ''
    import time


    def curl_host(ip):
        # put [] around ipv6 addresses for curl
        host = ip if ":" not in ip else f"[{ip}]"
        return f"curl --fail --connect-timeout 2 http://{host}/ > /dev/null"


    def get_ip(container):
        # need to distinguish because show-ip won't work for ipv6
        if container == "webserver4":
            ip = machine.succeed(f"nixos-container show-ip {container}").rstrip()
            assert ip == "${nodes.machine.config.containers.webserver4.localAddress}"
            return ip
        return "${nodes.machine.config.containers.webserver6.localAddress}"


    for container in "webserver4", "webserver6":
        assert container in machine.succeed("nixos-container list")

        with subtest(f"Start container {container}"):
            machine.succeed(f"nixos-container start {container}")
            # wait 2s for container to start and network to be up
            time.sleep(2)

        # Since "start" returns after the container has reached
        # multi-user.target, we should now be able to access it.

        ip = get_ip(container)
        with subtest(f"{container} reacts to pings and HTTP requests"):
            machine.succeed(f"ping -n -c1 {ip}")
            machine.succeed(curl_host(ip))

        with subtest(f"Stop container {container}"):
            machine.succeed(f"nixos-container stop {container}")
            machine.fail(curl_host(ip))

        # Destroying a declarative container should fail.
        machine.fail(f"nixos-container destroy {container}")
  '';
})