Closes #5149: Add rack group field to device edit form

docs/release-notes/version-2.9.md

@@ -7,6 +7,7 @@
 * [#1755](https://github.com/netbox-community/netbox/issues/1755) - Toggle order in which rack elevations are displayed
 * [#5128](https://github.com/netbox-community/netbox/issues/5128) - Increase maximum rear port positions from 64 to 1024
 * [#5134](https://github.com/netbox-community/netbox/issues/5134) - Display full hierarchy in breadcrumbs for sites/racks
+* [#5149](https://github.com/netbox-community/netbox/issues/5149) - Add rack group field to device edit form
 
 ### Bug Fixes
 

netbox/dcim/forms.py

@@ -1680,12 +1680,21 @@ class DeviceForm(BootstrapMixin, TenancyForm, CustomFieldModelForm):
             'region_id': '$region'
         }
     )
+    rack_group = DynamicModelChoiceField(
+        queryset=RackGroup.objects.all(),
+        required=False,
+        display_field='display_name',
+        query_params={
+            'site_id': '$site'
+        }
+    )
     rack = DynamicModelChoiceField(
         queryset=Rack.objects.all(),
         required=False,
         display_field='display_name',
         query_params={
-            'site_id': '$site'
+            'site_id': '$site',
+            'group_id': '$rack_group',
         }
     )
     position = forms.TypedChoiceField(

netbox/templates/dcim/device_edit.html

@@ -23,6 +23,7 @@
         <div class="panel-body">
             {% render_field form.region %}
             {% render_field form.site %}
+            {% render_field form.rack_group %}
             {% render_field form.rack %}
             {% if obj.device_type.is_child_device and obj.parent_bay %}
                 <div class="form-group">