infrastructure/modules/nixos/dgn-network.nix

56 lines
1.1 KiB
Nix

# SPDX-FileCopyrightText: 2024 Tom Hubrecht <tom.hubrecht@dgnum.eu>
#
# SPDX-License-Identifier: EUPL-1.2
{
config,
lib,
meta,
name,
nodeMeta,
...
}:
let
inherit (lib) mapAttrs' mkEnableOption mkIf;
net' = meta.network.${name};
mkAddress = { address, prefixLength, ... }: "${address}/${builtins.toString prefixLength}";
mkRoute = gateway: {
Gateway = gateway;
GatewayOnLink = true;
};
mkInterface = interface: net: {
name = "10-${interface}";
value = {
name = interface;
address = builtins.map mkAddress (net.ipv4 ++ net.ipv6);
routes = builtins.map mkRoute net.gateways;
inherit (net) DHCP dns;
};
};
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 = "${nodeMeta.site}.infra.dgnum.eu";
useNetworkd = true;
firewall.logRefusedConnections = false;
};
systemd.network.networks = mapAttrs' mkInterface net'.interfaces;
};
}