nixosTests.getaddrinfo: init

  gancio = runTest ./gancio.nix;

  garage = handleTest ./garage { };

  gatus = runTest ./gatus.nix;

  getaddrinfo = runTest ./getaddrinfo.nix;

  gemstash = handleTest ./gemstash.nix { };

  geoclue2 = runTest ./geoclue2.nix;

  geoserver = runTest ./geoserver.nix;

{ lib, ... }:

let

  ip4 = "192.0.2.1";

  ip6 = "2001:db8::1";

  precedence = {

    "::1/128" = 50;

    "::/0" = 40;

    "2002::/16" = 30;

    "::/96" = 20;

    "::ffff:0:0/96" = 100;

  };

in

{

  name = "getaddrinfo";

  meta.maintainers = with lib.maintainers; [ moraxyc ];

  nodes.server = _: {

    networking.firewall.enable = false;

    networking.useDHCP = false;

    services.dnsmasq = {

      enable = true;

      settings = {

        address = [

          "/nixos.test/${ip4}"

          "/nixos.test/${ip6}"

        ];

      };

    };

  };

  nodes.client =

    { pkgs, nodes, ... }:

    {

      networking.nameservers = [

        (lib.head nodes.server.networking.interfaces.eth1.ipv4.addresses).address

      ];

      networking.getaddrinfo = {

        reload = true;

        inherit precedence;

      };

      networking.useDHCP = false;

      environment.systemPackages = [

        (pkgs.writers.writePython3Bin "request-addr" { } ''

          import socket

          results = socket.getaddrinfo("nixos.test", None)

          print(results[0][4][0])

        '')

      ];

    };

  testScript =

    { ... }:

    ''

      server.wait_for_unit("dnsmasq.service")

      client.wait_for_unit("network.target")

      assert "${ip4}" in client.succeed("request-addr")

      client.succeed("""

        sed 's/100/10/' /etc/gai.conf > /etc/gai.conf.new && \

        mv /etc/gai.conf.new /etc/gai.conf

      """)

      assert "${ip6}" in client.succeed("request-addr")

    '';

}