Fix Kubernetes namespaces for dotted usernames

server_provisioning.py

@@ -6,6 +6,7 @@ from datetime import datetime, timedelta, timezone
 import json
 from kubernetes import client
 from kubernetes_service import apps_v1, custom_objects_api, k8s_manager, v1
+from namespace_utils import user_namespace
 import random
 import re
 from runtime_config import (
@@ -75,7 +76,7 @@ def change_server_version(server_id: str, user_id: str, new_version: str, java_v
                 logger.info(f"✓ Changed version for server {server_id} to {new_version} (billing date unchanged)")
                 return cursor.rowcount > 0
 
-        namespace = f"user-{owner['username']}".lower()
+        namespace = server.get('namespace') or user_namespace(owner['username'])
 
         if not k8s_manager.connected:
             # If K8s not connected, just update database
@@ -368,7 +369,7 @@ def reinstall_server(server_id: str, user_id: str) -> bool:
             if not owner:
                 raise Exception("Server owner not found")
 
-        namespace = f"user-{owner['username']}".lower()
+        namespace = server.get('namespace') or user_namespace(owner['username'])
 
         if not k8s_manager.connected:
             update_server_status(server_id, 'Running')
@@ -1949,7 +1950,7 @@ def create_server(config: Dict, user_id: str, progress_callback=None) -> Dict:
                 'ip': NODE_IP,
                 'ports': ports,
                 'ownerId': user_id,
-                'namespace': f"user-{user['username']}".lower(),
+                'namespace': user_namespace(user['username']),
                 'k8s_name': server_id,
                 'is_demo': is_demo,
                 'demo_expires_at': demo_expires_at,
@@ -1964,7 +1965,7 @@ def create_server(config: Dict, user_id: str, progress_callback=None) -> Dict:
             server = create_server_record(server_data)
 
         else:
-            namespace = f"user-{user['username']}".lower()
+            namespace = user_namespace(user['username'])
             sanitized_name = config['name'].lower().replace(' ', '-').replace('_', '-')[:20]
             server_id = f"{sanitized_name}-{str(uuid.uuid4())[:8]}"