[RHCLOUD-33414] - restrict the Custom default access group renaming

rbac/management/group/view.py

@@ -225,6 +225,17 @@ def protect_system_groups(self, action, group=None):
             error = {key: [_(message)]}
             raise serializers.ValidationError(error)
 
+    def restrict_custom_default_group_renaming(self, request, group):
+        """Restrict users from changing the name or description of the Custom default group."""
+        invalid_parameters = ["name", "description"]
+        if group.platform_default and request.method == "PUT":
+            invalid_fields = [field for field in invalid_parameters if field in request.data]
+            if invalid_fields:
+                key = "detail"
+                message = "Updating the name or description of 'Custom default group' is restricted"
+                error = {key: (message)}
+                raise serializers.ValidationError(error)
+
     def protect_default_admin_group_roles(self, group):
         """Disallow default admin access roles from being updated."""
         if group.admin_default:
@@ -438,9 +449,12 @@ def update(self, request, *args, **kwargs):
         self.protect_system_groups("update")
 
         group = self.get_object()
+
         if not request.user.admin:
             self.protect_group_with_user_access_admin_role(group.roles_with_access(), "update_group")
 
+        self.restrict_custom_default_group_renaming(request, group)
+
         update_group = super().update(request=request, args=args, kwargs=kwargs)
 
         if status.is_success(update_group.status_code):

tests/management/group/test_view.py

@@ -755,6 +755,7 @@ def test_update_group_success(self, send_kafka_message, mock_request):
             url = reverse("v1_management:group-detail", kwargs={"uuid": self.group.uuid})
             client = APIClient()
             response = client.put(url, test_data, format="json", **self.headers)
+
             self.assertEqual(response.status_code, status.HTTP_200_OK)
 
             self.assertIsNotNone(response.data.get("uuid"))
@@ -808,6 +809,16 @@ def test_update_default_group(self):
         response = client.put(url, test_data, format="json", **self.headers)
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
 
+    def test_update_custom_default_group(self):
+        """Test that Custom default group is protected from updates"""
+        customDefGroup = Group(name="customDefGroup", platform_default=True, system=False, tenant=self.tenant)
+        customDefGroup.save()
+        url = reverse("v1_management:group-detail", kwargs={"uuid": customDefGroup.uuid})
+        test_data = {"name": "new_name" + "_updated", "description": "new_description" + "_updated"}
+        client = APIClient()
+        response = client.put(url, test_data, format="json", **self.headers)
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+
     def test_update_admin_default_group(self):
         """Test that admin_default groups are protected from updates"""
         url = reverse("v1_management:group-detail", kwargs={"uuid": self.adminGroup.uuid})