Add region filters, fields for DCIM models

netbox/dcim/filters.py

@@ -93,6 +93,17 @@ class SiteFilter(TenancyFilterSet, CustomFieldFilterSet, CreatedUpdatedFilterSet
 
 
 class RackGroupFilter(NameSlugSearchFilterSet):
+    region_id = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='site__region__in',
+        label='Region (ID)',
+    )
+    region = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='site__region__in',
+        to_field_name='slug',
+        label='Region (slug)',
+    )
     site_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Site.objects.all(),
         label='Site (ID)',
@@ -125,6 +136,17 @@ class RackFilter(TenancyFilterSet, CustomFieldFilterSet, CreatedUpdatedFilterSet
         method='search',
         label='Search',
     )
+    region_id = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='site__region__in',
+        label='Region (ID)',
+    )
+    region = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='site__region__in',
+        to_field_name='slug',
+        label='Region (slug)',
+    )
     site_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Site.objects.all(),
         label='Site (ID)',
@@ -831,6 +853,28 @@ class InventoryItemFilter(DeviceComponentFilterSet):
         method='search',
         label='Search',
     )
+    region_id = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='device__site__region__in',
+        label='Region (ID)',
+    )
+    region = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='device__site__region__in',
+        to_field_name='slug',
+        label='Region (slug)',
+    )
+    site_id = django_filters.ModelMultipleChoiceFilter(
+        field_name='device__site',
+        queryset=Site.objects.all(),
+        label='Site (ID)',
+    )
+    site = django_filters.ModelMultipleChoiceFilter(
+        field_name='device__site__slug',
+        queryset=Site.objects.all(),
+        to_field_name='slug',
+        label='Site name (slug)',
+    )
     device_id = django_filters.ModelChoiceFilter(
         queryset=Device.objects.all(),
         label='Device (ID)',
@@ -880,6 +924,17 @@ class VirtualChassisFilter(django_filters.FilterSet):
         method='search',
         label='Search',
     )
+    region_id = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='master__site__region__in',
+        label='Region (ID)',
+    )
+    region = TreeNodeMultipleChoiceFilter(
+        queryset=Region.objects.all(),
+        field_name='master__site__region__in',
+        to_field_name='slug',
+        label='Region (slug)',
+    )
     site_id = django_filters.ModelMultipleChoiceFilter(
         field_name='master__site',
         queryset=Site.objects.all(),

netbox/dcim/forms.py

@@ -364,6 +364,18 @@ class RackGroupCSVForm(forms.ModelForm):
 
 
 class RackGroupFilterForm(BootstrapMixin, forms.Form):
+    region = FilterChoiceField(
+        queryset=Region.objects.all(),
+        to_field_name='slug',
+        required=False,
+        widget=APISelectMultiple(
+            api_url="/api/dcim/regions/",
+            value_field="slug",
+            filter_for={
+                'site': 'region'
+            }
+        )
+    )
     site = FilterChoiceField(
         queryset=Site.objects.all(),
         to_field_name='slug',
@@ -635,11 +647,23 @@ class RackBulkEditForm(BootstrapMixin, AddRemoveTagsForm, CustomFieldBulkEditFor
 
 class RackFilterForm(BootstrapMixin, TenancyFilterForm, CustomFieldFilterForm):
     model = Rack
-    field_order = ['q', 'site', 'group_id', 'status', 'role', 'tenant_group', 'tenant']
+    field_order = ['q', 'region', 'site', 'group_id', 'status', 'role', 'tenant_group', 'tenant']
     q = forms.CharField(
         required=False,
         label='Search'
     )
+    region = FilterChoiceField(
+        queryset=Region.objects.all(),
+        to_field_name='slug',
+        required=False,
+        widget=APISelectMultiple(
+            api_url="/api/dcim/regions/",
+            value_field="slug",
+            filter_for={
+                'site': 'region'
+            }
+        )
+    )
     site = FilterChoiceField(
         queryset=Site.objects.all(),
         to_field_name='slug',
@@ -3386,6 +3410,29 @@ class InventoryItemFilterForm(BootstrapMixin, forms.Form):
         required=False,
         label='Search'
     )
+    region = FilterChoiceField(
+        queryset=Region.objects.all(),
+        to_field_name='slug',
+        required=False,
+        widget=APISelectMultiple(
+            api_url="/api/dcim/regions/",
+            value_field="slug",
+            filter_for={
+                'site': 'region'
+            }
+        )
+    )
+    site = FilterChoiceField(
+        queryset=Site.objects.all(),
+        to_field_name='slug',
+        widget=APISelectMultiple(
+            api_url="/api/dcim/sites/",
+            value_field="slug",
+            filter_for={
+                'device_id': 'site'
+            }
+        )
+    )
     device_id = FilterChoiceField(
         queryset=Device.objects.all(),
         required=False,
@@ -3551,6 +3598,18 @@ class VirtualChassisFilterForm(BootstrapMixin, CustomFieldFilterForm):
         required=False,
         label='Search'
     )
+    region = FilterChoiceField(
+        queryset=Region.objects.all(),
+        to_field_name='slug',
+        required=False,
+        widget=APISelectMultiple(
+            api_url="/api/dcim/regions/",
+            value_field="slug",
+            filter_for={
+                'site': 'region'
+            }
+        )
+    )
     site = FilterChoiceField(
         queryset=Site.objects.all(),
         to_field_name='slug',