nixos/machines/hardware/_base.nix
2023-07-08 09:16:38 +01:00

17 lines
No EOL
426 B
Nix

{ config, options, lib, ... }: with lib;
let
# get a list of interfaces
interfaces = attrNames config.networking.interfaces;
# check if an IP has been assigned
has_ip = interface: (length config.networking.interfaces."${interface}".ipv4.addresses) != 0;
in {
config = {
assertions = [
{
assertion = lists.any has_ip interfaces;
message = "Must have a ip address set";
}
];
};
}