nixos-config/modules/system/tailscale/default.nix

58 lines
1.6 KiB
Nix

{
config,
pkgs,
lib,
...
}:
let
cfg = config.myConfig.tailscale;
in
{
options.myConfig.tailscale = {
enable = lib.mkEnableOption "";
subdomain = lib.mkOption {
type = lib.types.nonEmptyStr;
default = config.networking.hostName;
};
ssh.enable = lib.mkEnableOption "";
exitNode.enable = lib.mkEnableOption "";
serve = lib.mkOption {
type = lib.types.nullOr lib.types.nonEmptyStr;
default = null;
};
};
config = lib.mkIf cfg.enable {
sops.secrets."tailscale-auth-key" = { };
services.tailscale = {
enable = true;
authKeyFile = config.sops.secrets."tailscale-auth-key".path;
openFirewall = true;
useRoutingFeatures = if (cfg.exitNode.enable || (cfg.serve != null)) then "server" else "client";
extraUpFlags = [ "--reset=true" ];
extraSetFlags = [
"--hostname=${cfg.subdomain}"
"--ssh=${lib.boolToString cfg.ssh.enable}"
"--advertise-exit-node=${lib.boolToString cfg.exitNode.enable}"
];
};
systemd.services.tailscaled-set.after = [ "tailscaled-autoconnect.service" ];
systemd.services.tailscaled-serve = lib.mkIf (cfg.serve != null) {
after = [
"tailscaled.service"
"tailscaled-autoconnect.service"
];
wants = [ "tailscaled.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig.Type = "oneshot";
script = ''
${lib.getExe pkgs.tailscale} cert --min-validity 120h ${cfg.subdomain}.${config.networking.domain}
${lib.getExe pkgs.tailscale} serve reset
${lib.getExe pkgs.tailscale} serve --bg ${cfg.serve}
'';
};
};
}