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{ config, lib, ... }:
with lib; let
inherit (config.networking) domain;
inherit (config.local.nets) gate-public;
inherit (config.local.ns.server) tsigName;
ptrNets = config.local.ns.ptr;
in
{
options.local.ns.zones = mkOption {
type = with lib.types; attrsOf
(submodule
({ config, name, ... }:
let
inherit (config.soa) primary;
cfg = config.localNS;
ptrDomain = cfg.ptrNet.v4 != null || cfg.ptrNet.v6 != null;
in
{
options.localNS = {
enable = mkEnableOption "local NS settings";
acme = mkOption {
default = { };
type = attrsOf str;
};
ptrNet = {
v4 = mkOption {
type = nullOr str;
default = null;
};
v6 = mkOption {
type = nullOr str;
default = null;
};
};
};
config = mkIf cfg.enable
{
ptrName =
let
name =
if cfg.ptrNet.v6 != null
then "${cfg.ptrNet.v6}-v6"
else "${cfg.ptrNet.v4}-v4";
in
mkIf ptrDomain name;
# https://docs.gandi.net/en/domain_names/advanced_users/secondary_nameserver.html
nsdConfig =
let
providerSecondary = [
"37.205.15.45 ${tsigName}" # ns3.vpsfree.cz
"37.205.11.85 ${tsigName}" # ns4.vpsfree.cz
"2a03:3b40:fe:2be::1 ${tsigName}" # ns3.vpsfree.cz
"2a03:3b40:101:4::1 ${tsigName}" # ns4.vpsfree.cz
];
in
{
notify = providerSecondary;
provideXFR = providerSecondary;
};
ns = [
{ name = "@"; host = primary; }
{ name = "@"; host = "ns3.vpsfree.cz."; }
{ name = "@"; host = "ns4.vpsfree.cz."; }
];
a = optional (!ptrDomain)
{ name = primary; ipv4 = gate-public.hosts.gate.v4.address; ptr = null; };
aaaa = optional (!ptrDomain)
{ name = primary; ipv6 = gate-public.hosts.gate.v6.address; ptr = null; };
ptr =
let
ptrsToRecords = mapAttrsToList (suffix: target: {
name = suffix;
inherit target;
});
v4Net = cfg.ptrNet.v4;
v6Net = cfg.ptrNet.v6;
v4Records = optionals (v4Net != null) (ptrsToRecords ptrNets.${v4Net}.v4.targets);
v6Records = optionals (v6Net != null) (ptrsToRecords ptrNets.${v6Net}.v6.targets);
in
v4Records ++ v6Records;
soa = mkIf ptrDomain {
authorityZone = mkDefault "${domain}.";
};
cname = mapAttrsToList
(name: id: {
name = "_acme-challenge" + optionalString (name != "@") ".${name}";
target = "${id}.acme-challenge.${domain}.";
})
cfg.acme;
};
}));
};
config =
{
assertions = mapAttrsToList
(name: zone: {
assertion = zone.localNS.ptrNet.v4 != null -> zone.localNS.ptrNet.v6 == null;
message = "zone '${name}' defined as both a v4 and v6 PTR zone";
})
config.local.ns.zones;
local.ns.ptr =
let
zonePtrNets = name: zone:
optionalAttrs (zone.localNS.ptrNet.v4 != null)
{
${zone.localNS.ptrNet.v4}.v4.zone = name;
} // optionalAttrs (zone.localNS.ptrNet.v6 != null) {
${zone.localNS.ptrNet.v6}.v6.zone = name;
};
in
mkMerge (flatten (mapAttrsToList zonePtrNets (filterAttrs (_: zone: zone.localNS.enable) config.local.ns.zones)));
};
}
|
