Fixes #950: Fix site_id error on child device import

netbox/dcim/forms.py

@@ -680,13 +680,21 @@ class DeviceFromCSVForm(BaseDeviceFromCSVForm):
 
 
 class ChildDeviceFromCSVForm(BaseDeviceFromCSVForm):
-    parent = FlexibleModelChoiceField(queryset=Device.objects.all(), to_field_name='name', required=False,
-                                      error_messages={'invalid_choice': 'Parent device not found.'})
+    parent = FlexibleModelChoiceField(
+        queryset=Device.objects.all(),
+        to_field_name='name',
+        required=False,
+        error_messages={
+            'invalid_choice': 'Parent device not found.'
+        }
+    )
     device_bay_name = forms.CharField(required=False)
 
     class Meta(BaseDeviceFromCSVForm.Meta):
-        fields = ['name', 'device_role', 'tenant', 'manufacturer', 'model_name', 'platform', 'serial', 'asset_tag',
-                  'parent', 'device_bay_name']
+        fields = [
+            'name', 'device_role', 'tenant', 'manufacturer', 'model_name', 'platform', 'serial', 'asset_tag', 'parent',
+            'device_bay_name',
+        ]
 
     def clean(self):
 

netbox/dcim/models.py

@@ -975,25 +975,26 @@ class Device(CreatedUpdatedModel, CustomFieldModel):
                 # Child devices cannot be assigned to a rack face/unit
                 if self.device_type.is_child_device and self.face is not None:
                     raise ValidationError({
-                        'face': "Child device types cannot be assigned to a rack face. This is an attribute of the parent "
-                                "device."
+                        'face': "Child device types cannot be assigned to a rack face. This is an attribute of the "
+                                "parent device."
                     })
                 if self.device_type.is_child_device and self.position:
                     raise ValidationError({
-                        'position': "Child device types cannot be assigned to a rack position. This is an attribute of the "
-                                    "parent device."
+                        'position': "Child device types cannot be assigned to a rack position. This is an attribute of "
+                                    "the parent device."
                     })
 
                 # Validate rack space
                 rack_face = self.face if not self.device_type.is_full_depth else None
                 exclude_list = [self.pk] if self.pk else []
                 try:
-                    available_units = self.rack.get_available_units(u_height=self.device_type.u_height, rack_face=rack_face,
-                                                                    exclude=exclude_list)
+                    available_units = self.rack.get_available_units(
+                        u_height=self.device_type.u_height, rack_face=rack_face, exclude=exclude_list
+                    )
                     if self.position and self.position not in available_units:
                         raise ValidationError({
-                            'position': "U{} is already occupied or does not have sufficient space to accommodate a(n) {} "
-                                        "({}U).".format(self.position, self.device_type, self.device_type.u_height)
+                            'position': "U{} is already occupied or does not have sufficient space to accommodate a(n) "
+                                        "{} ({}U).".format(self.position, self.device_type, self.device_type.u_height)
                         })
                 except Rack.DoesNotExist:
                     pass
@@ -1034,8 +1035,8 @@ class Device(CreatedUpdatedModel, CustomFieldModel):
                  self.device_type.device_bay_templates.all()]
             )
 
-        # Update Rack assignment for any child Devices
-        Device.objects.filter(parent_bay__device=self).update(rack=self.rack)
+        # Update Site and Rack assignment for any child Devices
+        Device.objects.filter(parent_bay__device=self).update(site=self.site, rack=self.rack)
 
     def to_csv(self):
         return csv_format([

netbox/dcim/views.py

@@ -763,9 +763,12 @@ class ChildDeviceBulkImportView(PermissionRequiredMixin, BulkImportView):
     default_return_url = 'dcim:device_list'
 
     def save_obj(self, obj):
-        # Inherent rack from parent device
+
+        # Inherit site and rack from parent device
+        obj.site = obj.parent_bay.device.site
         obj.rack = obj.parent_bay.device.rack
         obj.save()
+
         # Save the reverse relation
         device_bay = obj.parent_bay
         device_bay.installed_device = obj