Development

docker/routlin-dash/app/action_networklayout.py

@@ -200,6 +200,9 @@ def networklayout_tablevlans_edit():
         new_identities.append(entry)
 
     gateway_raw = sanitize.ip(request.form.get('gateway', ''))
+    if gateway_raw and gateway_raw not in identity_ips:
+        flash(f"Gateway '{gateway_raw}' must match one of the server identity IPs.", 'error')
+        return redirect(VIEW)
     inferred_gw = (min(identity_ips, key=lambda ip: int(ip.split('.')[-1]))
                    if identity_ips else '')
     new_stored_gw = gateway_raw if (gateway_raw and gateway_raw != inferred_gw) else ''

docker/routlin-dash/data/page_content.json

@@ -1581,6 +1581,7 @@
                   "col": "server_identity_ips",
                   "input_type": "textarea_pair",
                   "col_label": "IP Address",
+                  "col_validate": "ip",
                   "pair_col": "server_identity_descriptions",
                   "pair_label": "Description (Opt)",
                   "pair_col2": "server_identity_hostnames",