Fixes: #14044 - Allow regex renaming of unnamed devices

* Allow regex renaming of unnamed devices (already allowed actually)
* Catch errors relating to unnamed devices or integrity errors as a result of the rename process

netbox/dcim/views.py

@@ -2122,6 +2122,17 @@ class DeviceBulkRenameView(generic.BulkRenameView):
     filterset = filtersets.DeviceFilterSet
     table = tables.DeviceTable
 
+    def _rename_objects(self, form, selected_objects):
+        # Check devices for any unnamed devices and enforce requirements on the renaming of devices
+        for obj in selected_objects:
+            if not form.cleaned_data['use_regex'] and not obj.name:
+                from django.core.exceptions import ValidationError
+                raise ValidationError({
+                    'use_regex': 'You must use regex to rename a unnamed device and must pass device uniqueness checks'
+                })
+
+        super()._rename_objects(form, selected_objects)
+
 
 @register_model_view(Device, 'contacts')
 class DeviceContactsView(ObjectContactsView):

netbox/netbox/views/generic/bulk_views.py

@@ -776,6 +776,14 @@ class BulkRenameView(GetReturnURLMixin, BaseMultiObjectView):
                             )
                             return redirect(self.get_return_url(request))
 
+                except IntegrityError as e:
+                    messages.error(self.request, ", ".join(e.args))
+                    clear_events.send(sender=self)
+
+                except ValidationError as e:
+                    messages.error(self.request, ", ".join(e.messages))
+                    clear_events.send(sender=self)
+
                 except (AbortRequest, PermissionsViolation) as e:
                     logger.debug(e.message)
                     form.add_error(None, e.message)