pyrox.dev
1import ./make-test-python.nix (
2 { lib, ... }:
3 {
4 name = "tinydns";
5 meta = {
6 maintainers = with lib.maintainers; [ basvandijk ];
7 };
8 nodes = {
9 nameserver =
10 { config, lib, ... }:
11 let
12 ip = (lib.head config.networking.interfaces.eth1.ipv4.addresses).address;
13 in
14 {
15 networking.nameservers = [ ip ];
16 services.tinydns = {
17 enable = true;
18 inherit ip;
19 data = ''
20 .foo.bar:${ip}
21 +.bla.foo.bar:1.2.3.4:300
22 '';
23 };
24 };
25 };
26 testScript = ''
27 nameserver.start()
28 nameserver.wait_for_unit("tinydns.service")
29
30 # We query tinydns a few times to trigger the bug:
31 #
32 # nameserver # [ 6.105872] mmap: tinydns (842): VmData 331776 exceed data ulimit 300000. Update limits or use boot option ignore_rlimit_data.
33 #
34 # which was reported in https://github.com/NixOS/nixpkgs/issues/119066.
35 # Without the patch <nixpkgs/pkgs/tools/networking/djbdns/softlimit.patch>
36 # it fails on the 10th iteration.
37 nameserver.succeed(
38 """
39 for i in {1..100}; do
40 host bla.foo.bar 192.168.1.1 | grep '1\.2\.3\.4'
41 done
42 """
43 )
44 '';
45 }
46)