2025-09-07 12:29:03 -04:00

32 lines
1.0 KiB
Nix

{ config, lib, namespace, ... }:
let
inherit (lib) mkIf mkEnableOption;
cfg = config.${namespace}.services.tailscale;
rkeCfg = config.${namespace}.services.rke2;
in
{
options.${namespace}.services.tailscale = {
enable = mkEnableOption "enable tailscale service";
enableRouting = mkEnableOption "enable tailscale routing";
};
config = mkIf cfg.enable {
services.tailscale = {
enable = true;
useRoutingFeatures = if cfg.enableRouting then "server" else "client";
};
boot.kernel.sysctl = mkIf cfg.enableRouting {
"net.ipv4.ip_forward" = 1;
"net.ipv6.conf.all.forwarding" = 1;
};
# Move Tailscale PostRouting First - In situations where Calico is enabled, this is needed
# to ensure that Tailscale routes traffic correctly as an exit node.
networking.firewall.extraCommands = mkIf (rkeCfg.enable && cfg.enableRouting) ''
iptables -t nat -D POSTROUTING -j ts-postrouting 2>/dev/null || true
iptables -t nat -I POSTROUTING 1 -j ts-postrouting
'';
};
}