infrastructure/modules/dgn-network.nix

43 lines
1 KiB
Nix

{ config, lib, meta, name, ... }:
let
inherit (lib)
mapAttrs'
mkEnableOption
mkIf
optionalAttrs;
net = meta.network.${name};
mkAddress = { address, prefixLength, ... }: "${address}/${builtins.toString prefixLength}";
mkRoute = gateway: { routeConfig = { Gateway = gateway; GatewayOnLink = true; }; };
mkInterface = interface: net: {
name = "10-${interface}";
value = {
name = interface;
address = builtins.map mkAddress (net.ipv4 ++ net.ipv6);
routes = builtins.map mkRoute net.gateways;
networkConfig = optionalAttrs (net ? DHCP) { inherit (net) DHCP; };
};
};
cfg = config.dgn-network;
in
{
options.dgn-network.enable = mkEnableOption "automatic network configuration based on metadata" // { default = true; };
config = mkIf cfg.enable {
networking = {
inherit (net) hostId;
hostName = name;
domain = "${meta.nodes.${name}.zone}.infra.dgnum.eu";
useNetworkd = true;
};
systemd.network.networks = mapAttrs' mkInterface net.interfaces;
};
}