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|
{
config,
lib,
pkgs,
...
}: let
inherit (lib) any all mkEnableOption mkIf mapAttrsToList optional optionals optionalAttrs filterAttrs;
inherit (config.networking) hostName;
endpoints = ["lipwig" "spt-omnia" "adm-omnia"];
is_endpoint = any (v: v == hostName) endpoints;
in {
options = {
cynerd.wireguard = mkEnableOption "Enable Wireguard";
};
config = mkIf config.cynerd.wireguard {
environment.systemPackages = [pkgs.wireguard-tools];
systemd.network = {
netdevs."wg" = {
netdevConfig = {
Name = "wg";
Kind = "wireguard";
Description = "Personal Wireguard tunnel";
MTUBytes = "1300";
};
wireguardConfig = {
ListenPort = 51820;
PrivateKeyFile = "/run/secrets/wg.key";
};
wireguardPeers =
[
({
Endpoint = "cynerd.cz:51820";
AllowedIPs = ["0.0.0.0/0"];
PublicKey = config.secrets.wireguardPubs.lipwig;
}
// (optionalAttrs (!is_endpoint) {PersistentKeepalive = 25;}))
({
Endpoint = "spt.cynerd.cz:51820";
AllowedIPs = [
"${config.cynerd.hosts.wg.spt-omnia}/32"
"10.8.2.0/24"
];
PublicKey = config.secrets.wireguardPubs.spt-omnia;
}
// (optionalAttrs (!is_endpoint) {PersistentKeepalive = 25;}))
#{
# wireguardPeerConfig =
# {
# Endpoint = "adm.cynerd.cz:51820";
# AllowedIPs = [
# "${config.cynerd.hosts.wg.adm-omnia}/32"
# "10.8.3.0/24"
# ];
# PublicKey = config.secrets.wireguardPubs.adm-omnia;
# }
# // (optionalAttrs (!is_endpoint) {PersistentKeepalive = 25;});
#}
]
++ (optionals is_endpoint (mapAttrsToList (n: v: {
AllowedIPs = "${config.cynerd.hosts.wg."${n}"}/32";
PublicKey = v;
}) (filterAttrs (n: _: all (v: v != n) endpoints) config.secrets.wireguardPubs)));
};
networks."wg" = {
matchConfig.Name = "wg";
networkConfig = {
Address = "${config.cynerd.hosts.wg."${hostName}"}/24";
IPv4Forwarding = "yes";
};
routes =
(optional (hostName != "lipwig") {
# OpenVPN network
Gateway = config.cynerd.hosts.wg.lipwig;
Destination = "10.8.0.0/24";
Metric = 2048;
})
++ (optional (hostName != "spt-omnia") {
# SPT network
Gateway = config.cynerd.hosts.wg.spt-omnia;
Destination = "10.8.2.0/24";
Metric = 2048;
})
++ (optional (hostName != "adm-omnia" && hostName != "lipwig") {
# Adamkovi network
Gateway = config.cynerd.hosts.wg.adm-omnia;
Destination = "10.8.3.0/24";
Metric = 2048;
});
};
};
networking.firewall.allowedUDPPorts = [51820];
};
}
|
