os/modules/wireguard/ehex.nix

75 lines
1.8 KiB
Nix

{
lib,
config,
pkgs,
...
}:
with lib; let
psCfg = config.pub-solar;
cfg = config.pub-solar.wireguard.ehex;
in {
options.pub-solar.wireguard.ehex = {
ownIPs = mkOption {
description = "Internal ips in wireguard used for cluster control-plane communication.";
type = types.listOf types.str;
default = [];
};
privateKeyFile = mkOption {
description = "Location of private key file";
type = types.path;
};
};
config = mkIf (length cfg.ownIPs != 0){
networking.firewall.allowedUDPPorts = [51822];
systemd.network.wait-online.ignoredInterfaces = [ "wg-ehex" ];
systemd.services.wireguard-wg-ehex = {
after = [
"network.target"
"network-online.target"
"nss-lookup.target"
];
serviceConfig = {
Type = mkForce "simple";
Restart = "on-failure";
RestartSec = "30";
};
environment = {
WG_ENDPOINT_RESOLUTION_RETRIES = "infinity";
};
};
networking.wireguard.interfaces = {
wg-ehex = {
listenPort = 51821;
mtu = 1300;
ips = cfg.ownIPs;
privateKeyFile = cfg.privateKeyFile;
postSetup = ''
printf "nameserver 10.0.66.10\nnameserver 10.0.66.12" | resolvconf -a wg-ehex -m 0 -x
'';
postShutdown = ''
resolvconf -d wg-ehex -f
'';
peers = [
{
endpoint = "vpn-gateway.ehex.de:4242";
publicKey = "Fsg4KEyDEvQEt/1cVWU9xa/k9x/3UhONDj61aXZ7tys=";
presharedKey = "tQy7B5R3wOgWwIKFDcEr4WZIqCrwG+9UgPRIQx/5xso=";
allowedIPs = [ "10.42.0.0/22" "10.0.66.0/24" ];
persistentKeepalive = 15;
dynamicEndpointRefreshSeconds = 30;
# DNS = 10.0.66.10, ehex.cloud,ehex.de
# DNS = 10.0.66.12, ehex.cloud,ehex.de
}
];
};
};
};
}