Add rack and rack group

netbox/dcim/filters.py

@@ -586,15 +586,20 @@ class InterfaceListFilter(django_filters.FilterSet):
         method='filter_site',
         label='Site (slug)',
     )
-    #role_id = django_filters.ModelMultipleChoiceFilter(
-    #    method='_filter_role',
-    #    name='device_role',
-    #    label='Role (ID)',
-    #)
     role = django_filters.CharFilter(
         method='filter_role',
         label='Role (slug)',
     )
+    rack_group_id = django_filters.ModelMultipleChoiceFilter(
+        name='rack__group',
+        method='filter_rack_group',
+        label='Rack group (ID)',
+    )
+    rack_id = NullableModelMultipleChoiceFilter(
+        name='rack',
+        method='filter_rack',
+        label='Rack (ID)',
+    )
     type = django_filters.CharFilter(
         method='filter_type',
         label='Interface type',
@@ -618,6 +623,16 @@ class InterfaceListFilter(django_filters.FilterSet):
             return queryset
         return queryset.filter(device__device_role__slug=value)
 
+    def filter_rack(self, queryset, name, value):
+        if not value.strip():
+            return queryset
+        return queryset.filter(device__rack=value)
+
+    def filter_rack_group(self, queryset, name, value):
+        if not value.strip():
+            return queryset
+        return queryset.filter(device__rack__group=value)
+
     def filter_type(self, queryset, name, value):
         value = value.strip().lower()
         return {

netbox/dcim/forms.py

@@ -1620,6 +1620,15 @@ class InterfaceFilterForm(BootstrapMixin, forms.Form):
 class InterfaceListFilterForm(BootstrapMixin, forms.Form):
     q = forms.CharField(required=False, label='Search')
     site = forms.ModelChoiceField(required=False, queryset=Site.objects.all(), to_field_name='slug')
+    rack_group_id = FilterChoiceField(
+        queryset=RackGroup.objects.select_related('site').annotate(filter_count=Count('racks__devices')),
+        label='Rack group',
+    )
+    rack_id = FilterChoiceField(
+        queryset=Rack.objects.annotate(filter_count=Count('devices')),
+        label='Rack',
+        null_option=(0, 'None'),
+    )
     enabled = forms.ChoiceField(choices=add_blank_choice(IFACE_ENABLED_CHOICES), required=False)
     role = FilterChoiceField(
         required=False,