nixpkgs/nixos/tests/nsd.nix

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let
common = { pkgs, ... }: {
networking.firewall.enable = false;
networking.useDHCP = false;
# for a host utility with IPv6 support
environment.systemPackages = [ pkgs.bind ];
};
in import ./make-test.nix ({ pkgs, ...} : {
name = "nsd";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ aszlig ];
};
nodes = {
clientv4 = { lib, nodes, ... }: {
imports = [ common ];
networking.nameservers = lib.mkForce [
(lib.head nodes.server.config.networking.interfaces.eth1.ipv4.addresses).address
];
networking.interfaces.eth1.ipv4.addresses = [
{ address = "192.168.0.2"; prefixLength = 24; }
];
};
clientv6 = { lib, nodes, ... }: {
imports = [ common ];
networking.nameservers = lib.mkForce [
(lib.head nodes.server.config.networking.interfaces.eth1.ipv6.addresses).address
];
networking.interfaces.eth1.ipv4.addresses = [
{ address = "dead:beef::2"; prefixLength = 24; }
];
};
server = { lib, ... }: {
imports = [ common ];
networking.interfaces.eth1.ipv4.addresses = [
{ address = "192.168.0.1"; prefixLength = 24; }
];
networking.interfaces.eth1.ipv6.addresses = [
{ address = "dead:beef::1"; prefixLength = 64; }
];
services.nsd.enable = true;
services.nsd.interfaces = lib.mkForce [];
services.nsd.zones."example.com.".data = ''
@ SOA ns.example.com noc.example.com 666 7200 3600 1209600 3600
ipv4 A 1.2.3.4
ipv6 AAAA abcd::eeff
deleg NS ns.example.com
ns A 192.168.0.1
ns AAAA dead:beef::1
'';
services.nsd.zones."deleg.example.com.".data = ''
@ SOA ns.example.com noc.example.com 666 7200 3600 1209600 3600
@ A 9.8.7.6
@ AAAA fedc::bbaa
'';
};
};
testScript = ''
startAll;
$clientv4->waitForUnit("network.target");
$clientv6->waitForUnit("network.target");
$server->waitForUnit("nsd.service");
sub assertHost {
my ($type, $rr, $query, $expected) = @_;
my $self = $type eq 4 ? $clientv4 : $clientv6;
my $out = $self->succeed("host -$type -t $rr $query");
$self->log("output: $out");
chomp $out;
die "DNS IPv$type query on $query gave '$out' instead of '$expected'"
if ($out !~ $expected);
}
foreach (4, 6) {
subtest "ipv$_", sub {
assertHost($_, "a", "example.com", qr/has no [^ ]+ record/);
assertHost($_, "aaaa", "example.com", qr/has no [^ ]+ record/);
assertHost($_, "soa", "example.com", qr/SOA.*?noc\.example\.com/);
assertHost($_, "a", "ipv4.example.com", qr/address 1.2.3.4$/);
assertHost($_, "aaaa", "ipv6.example.com", qr/address abcd::eeff$/);
assertHost($_, "a", "deleg.example.com", qr/address 9.8.7.6$/);
assertHost($_, "aaaa", "deleg.example.com", qr/address fedc::bbaa$/);
};
}
'';
})