# Test whether DNS resolving returns multiple records and all address families. import ./make-test-python.nix ({ pkgs, ... } : { name = "resolv"; meta = with pkgs.stdenv.lib.maintainers; { maintainers = [ ckauhaus ]; }; nodes.resolv = { ... }: { networking.extraHosts = '' # IPv4 only 192.0.2.1 host-ipv4.example.net 192.0.2.2 host-ipv4.example.net # IP6 only 2001:db8::2:1 host-ipv6.example.net 2001:db8::2:2 host-ipv6.example.net # dual stack 192.0.2.1 host-dual.example.net 192.0.2.2 host-dual.example.net 2001:db8::2:1 host-dual.example.net 2001:db8::2:2 host-dual.example.net ''; }; testScript = '' def addrs_in(hostname, addrs): res = resolv.succeed("getent ahosts {}".format(hostname)) for addr in addrs: assert addr in res, "Expected output '{}' not found in\n{}".format(addr, res) start_all() resolv.wait_for_unit("nscd") ipv4 = ["192.0.2.1", "192.0.2.2"] ipv6 = ["2001:db8::2:1", "2001:db8::2:2"] with subtest("IPv4 resolves"): addrs_in("host-ipv4.example.net", ipv4) with subtest("IPv6 resolves"): addrs_in("host-ipv6.example.net", ipv6) with subtest("Dual stack resolves"): addrs_in("host-dual.example.net", ipv4 + ipv6) ''; })