Migrate to new tailscale config

* use the new config option isntead of custom service
* lower the log spam

nixos/tailscale/default.nix

@@ -13,6 +13,10 @@ in {
   services.tailscale = {
     enable = true;
     package = tailscale;
+    authKeyFile = "/run/secrets/tailscale-key-${config.networking.hostName}";
+  };
+  systemd.services.tailscaled = {
+    serviceConfig.LogLevelMax = "notice";
   };
 
   networking.firewall = {
@@ -21,28 +25,6 @@ in {
   };
   sops.secrets."tailscale-key-${config.networking.hostName}" = {
     sopsFile = ./keys.sops.yaml;
-    restartUnits = ["tailscale-auth.service"];
+    restartUnits = ["tailscaled-autoconnect.service"];
-  };
-  systemd.services.tailscale-auth = {
-    description = "Auth with tailscale";
-
-    after = ["network-pre.target" "tailscale.service"];
-    wants = ["network-pre.target" "tailscale.service"];
-    wantedBy = ["multi-user.target"];
-
-    serviceConfig.Type = "oneshot";
-
-    script = ''
-      sleep 2
-
-      status="$(${tailscale}/bin/tailscale status -json | ${pkgs.jq}/bin/jq -r .BackendState)"
-      if [ $status = "Running" ]; then # if so, then do nothing
-        echo "already connected"
-        exit 0
-      fi
-
-      echo "$status, reauthing"
-      ${tailscale}/bin/tailscale up --authkey `cat /run/secrets/tailscale-key-${config.networking.hostName}`
-    '';
   };
 }