nix-configs/nixos-modules/networking/tailscale.nix

57 lines
2.1 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.ragon.services.tailscale;
in
{
options.ragon.services.tailscale.enable = lib.mkEnableOption "Enables tailscale";
options.ragon.services.tailscale.exitNode = lib.mkEnableOption "Exit Node";
options.ragon.services.tailscale.extraUpCommands = lib.my.mkOpt lib.types.str "";
config = lib.mkIf cfg.enable {
# enable the tailscale service
ragon.persist.extraDirectories = [
"/var/lib/tailscale"
];
services.tailscale.enable = true;
services.tailscale.useRoutingFeatures = "server";
# ragon.agenix.secrets.tailscaleKey = { };
# boot.kernel.sysctl = lib.mkIf cfg.exitNode {
# "net.ipv4.ip_forward" = 1;
# "net.ipv6.conf.all.forwarding" = 1;
# };
networking.firewall = {
# always allow traffic from your Tailscale network
trustedInterfaces = [ "tailscale0" ];
checkReversePath = lib.mkDefault "loose";
# allow the Tailscale UDP port through the firewall
allowedUDPPorts = [ config.services.tailscale.port ];
};
# systemd.services.tailscale-autoconnect = {
# description = "Automatic connection to Tailscale";
# # make sure tailscale is running before trying to connect to tailscale
# after = [ "network-pre.target" "tailscale.service" ];
# wants = [ "network-pre.target" "tailscale.service" ];
# wantedBy = [ "multi-user.target" ];
# # set this service as a oneshot job
# serviceConfig.Type = "oneshot";
# # have the job run this shell script
# script = with pkgs; ''
# # wait for tailscaled to settle
# sleep 2
# # check if we are already authenticated to tailscale
# status="$(${tailscale}/bin/tailscale status -json | ${jq}/bin/jq -r .BackendState)"
# if [ $status = "Running" ]; then # if so, then do nothing
# exit 0
# fi
# key=$(<${config.age.secrets.tailscaleKey.path})
# # otherwise authenticate with tailscale
# ${tailscale}/bin/tailscale up -authkey $key ${lib.optionalString cfg.exitNode "--advertise-exit-node"} ${cfg.extraUpCommands}
# '';
# };
};
}