fix: add ports filter to custom service filter set

netbox_prometheus_sd/filtersets.py

@@ -3,7 +3,7 @@
 from django.db.models import Q
 from django.utils.translation import gettext as _
 
-from utilities.filters import MultiValueCharFilter, MultiValueNumberFilter
+from utilities.filters import MultiValueCharFilter, MultiValueNumberFilter, NumericArrayFilter
 
 try:
     from ipam.filtersets import ServiceFilterSet as NetboxServiceFilterSet
@@ -29,6 +29,13 @@ class ServiceFilterSet(NetboxServiceFilterSet):
         label=_('Tenant (slug)'),
     )
 
+    # fix to make the test_missing_filters pass
+    # see: https://github.com/netbox-community/netbox/blob/master/netbox/utilities/testing/filtersets.py#L98
+    ports = NumericArrayFilter(
+        field_name='ports',
+        lookup_expr='contains'
+    )
+
     # pylint: disable=unused-argument
     def filter_by_cluster_tenant_id(self, queryset, name, value):
         return queryset.filter(