nixos/headscale: assert that server_url does not contain base_domain

This commit is contained in:
Robert Schütz 2024-10-11 13:23:36 -07:00
parent fb02d79866
commit d4ae06c73b

View File

@ -500,6 +500,15 @@ in {
];
config = lib.mkIf cfg.enable {
assertions = [
{
# This is stricter than it needs to be but is exactly what upstream does:
# https://github.com/kradalby/headscale/blob/adc084f20f843d7963c999764fa83939668d2d2c/hscontrol/types/config.go#L799
assertion = with cfg.settings; dns.use_username_in_magic_dns or false || dns.base_domain == "" || !lib.hasInfix dns.base_domain server_url;
message = "server_url cannot contain the base_domain, this will cause the headscale server and embedded DERP to become unreachable from the Tailscale node.";
}
];
services.headscale.settings = lib.mkMerge [
cliConfig
{