Fix Kubernetes namespaces for dotted usernames

websocket_service.py

@@ -13,6 +13,7 @@ from kubernetes import client
 from kubernetes.client.rest import ApiException
 from kubernetes.stream import stream
 from kubernetes_service import custom_objects_api, k8s_manager, v1
+from namespace_utils import user_namespace
 import os
 import paramiko
 import pyotp
@@ -1263,7 +1264,7 @@ async def handle_register(client_id, data):
 
     if k8s_manager.connected:
         try:
-            k8s_manager.create_namespace(f"user-{username}".lower())
+            k8s_manager.create_namespace(user_namespace(username))
         except Exception:
             pass
 
@@ -2051,7 +2052,7 @@ async def handle_upload_file(client_id, data):
             })
             return
 
-        namespace = f"user-{user['username']}".lower()
+        namespace = user_namespace(user['username'])
         pods = k8s_manager.get_pods_for_server(namespace, server_id)
 
         if not pods:
@@ -3776,7 +3777,7 @@ async def handle_delete_custom_domain(client_id, data):
 
             # If domain was linked to a server, delete IngressRoute
             if domain.get('server_id'):
-                namespace = f"user-{username}".lower()
+                namespace = user_namespace(username)
                 # Extract subdomain for IngressRoute name
                 domain_name = domain['domain']
                 subdomain = domain_name.split('.')[0] if '.' in domain_name else domain_name