Add tailscale

config/common/services/nginx.nix

@@ -29,7 +29,7 @@
       add_header 'Referrer-Policy' 'same-origin';
 
       # Disable embedding as a frame
-      add_header X-Frame-Options DENY;
+      #add_header X-Frame-Options DENY;
 
       # Prevent injection of code in other mime types (XSS Attacks)
       add_header X-Content-Type-Options nosniff;

config/common/services/tailscale.nix

@@ -0,0 +1,37 @@
+{ config, pkgs, ... }:
+{
+environment.systemPackages = [ pkgs.tailscale ];
+
+services.tailscale.enable = true;
+
+  # ...
+
+  # create a oneshot job to authenticate to Tailscale
+  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
+
+      # otherwise authenticate with tailscale
+      ${tailscale}/bin/tailscale up -authkey CHANGEME
+    '';
+  };
+
+}