stockholm/tv/2configs/wiregrill.nix
2023-02-02 16:33:29 +01:00

38 lines
1.4 KiB
Nix

with import ./lib;
{ config, pkgs, ... }: let
cfg = {
enable = cfg.net != null;
net = config.krebs.build.host.nets.wiregrill or null;
};
toCidrNotation = ip: "${ip.addr}/${toString ip.prefixLength}";
in
mkIf cfg.enable {
networking.wireguard.interfaces.wiregrill = {
ips =
optional (cfg.net.ip4 != null) cfg.net.ip4.addr ++
optional (cfg.net.ip6 != null) cfg.net.ip6.addr;
listenPort = 51820;
privateKeyFile = (toString <secrets>) + "/wiregrill.key";
allowedIPsAsRoutes = true;
peers = mapAttrsToList
(_: host: {
allowedIPs = host.nets.wiregrill.wireguard.subnets;
endpoint =
mkIf (host.nets.wiregrill.via != null) (host.nets.wiregrill.via.ip4.addr + ":${toString host.nets.wiregrill.wireguard.port}");
persistentKeepalive = mkIf (host.nets.wiregrill.via != null) 61;
publicKey =
replaceStrings ["\n"] [""] host.nets.wiregrill.wireguard.pubkey;
})
(filterAttrs (_: h: hasAttr "wiregrill" h.nets) config.krebs.hosts);
};
systemd.network.networks.wiregrill = {
matchConfig.Name = "wiregrill";
address =
optional (!isNull cfg.net.ip4) (toCidrNotation cfg.net.ip4) ++
optional (!isNull cfg.net.ip6) (toCidrNotation cfg.net.ip6);
};
tv.iptables.extra.filter.INPUT = [
"-p udp --dport ${toString cfg.net.wireguard.port} -j ACCEPT"
];
}