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|
{ config, lib, pkgs, ... }:
with lib;
let
knotKeys = let
dir = ./keys;
toKeyInfo = name: v:
if v == "regular" || v == "symlink"
then { path = dir + "/${name}"; inherit name; }
else null;
in filter (v: v != null) (mapAttrsToList toKeyInfo (builtins.readDir dir));
in {
config = {
services.unbound = {
enable = true;
resolveLocalQueries = false;
stateDir = "/var/lib/unbound";
localControlSocketPath = "/run/unbound/unbound.ctl";
settings = {
server = {
interface = ["127.0.0.1" "10.141.0.1" "::0"];
prefer-ip6 = true;
access-control = ["0.0.0.0/0 allow" "::/0 allow"];
root-hints = "${pkgs.dns-root-data}/root.hints";
num-threads = 12;
so-reuseport = true;
msg-cache-slabs = 16;
rrset-cache-slabs = 16;
infra-cache-slabs = 16;
key-cache-slabs = 16;
rrset-cache-size = "100m";
msg-cache-size = "50m";
outgoing-range = 8192;
num-queries-per-thread = 4096;
so-rcvbuf = "4m";
so-sndbuf = "4m";
# serve-expired = true;
# serve-expired-ttl = 86400;
# serve-expired-reply-ttl = 0;
prefetch = true;
prefetch-key = true;
minimal-responses = false;
extended-statistics = true;
rrset-roundrobin = true;
use-caps-for-id = true;
do-not-query-localhost = false;
local-zone = [
"141.10.in-addr.arpa. transparent"
"yggdrasil. transparent"
];
domain-insecure = [
"141.10.in-addr.arpa."
"yggdrasil."
];
};
stub-zone = map (name: {
inherit name;
stub-addr = "127.0.0.1@5353";
stub-first = true;
stub-no-cache = true;
stub-prime = false;
}) ["yggdrasil." "arpa.in-addr.10.141."];
};
};
services.knot = {
enable = true;
keyFiles = map ({name, ...}: config.sops.secrets.${name}.path) knotKeys;
extraConfig = ''
server:
listen: 127.0.0.1@5353
listen: ::1@5353
listen: 10.141.1.1@53
listen: 10.141.2.1@53
listen: 2a03:4000:52:ada:1:1::@53
acl:
- id: local_acl
key: local_key
action: update
template:
- id: local_zone
storage: /var/lib/knot
zonefile-sync: -1
zonefile-load: difference-no-serial
serial-policy: dateserial
journal-content: all
semantic-checks: on
acl: [local_acl]
zone:
- domain: yggdrasil
template: local_zone
file: ${./zones/yggdrasil.soa}
- domain: 141.10.in-addr.arpa
template: local_zone
file: ${./zones/arpa.in-addr.10.141.soa}
'';
};
sops.secrets = listToAttrs (map ({name, path}: nameValuePair name {
format = "binary";
owner = "knot";
sopsFile = path;
}) knotKeys);
};
}
|
