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inputs:
{ config, lib, ... }:
with lib;
with builtins;
{
options.topology = {
mainVpn = {
interfaceName = mkOption {
type = types.str;
description = "Interface name of the main VPN";
};
subnet = mkOption {
type = types.str;
description = "CIDR subnet of the main VPN";
};
currentNodeIP = mkOption {
type = types.str;
description = "The current node's IP address in the VPN";
};
};
};
config = {
# Tinc configuration is in downstream repo
networking.firewall.allowedUDPPorts = [ 655 ];
networking.firewall.allowedTCPPorts = [ 655 ];
networking.hosts =
with builtins;
with lib;
let
networks = config.services.tinc.networks;
hosts = (flatten
(mapAttrsToList
(name: network: mapAttrsToList
(host: settings: {
host = "${host}.${name}.vpn";
addresses = map (subnet: subnet.address) settings.subnets;
})
network.hostSettings)
networks));
addresses =
zipAttrs
(flatten
(forEach hosts ({ host, addresses }:
(forEach addresses (address:
{ "${address}" = host; })))));
in
addresses;
};
}
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