closes #4368 - extras features model registration

netbox/circuits/models.py

@@ -7,6 +7,7 @@ from dcim.constants import CONNECTION_STATUS_CHOICES
 from dcim.fields import ASNField
 from dcim.models import CableTermination
 from extras.models import CustomFieldModel, ObjectChange, TaggedItem
+from extras.utils import extras_features
 from utilities.models import ChangeLoggedModel
 from utilities.utils import serialize_object
 from .choices import *
@@ -21,6 +22,7 @@ __all__ = (
 )
 
 
+@extras_features('custom_fields', 'custom_links', 'graphs', 'export_templates', 'webhooks')
 class Provider(ChangeLoggedModel, CustomFieldModel):
     """
     Each Circuit belongs to a Provider. This is usually a telecommunications company or similar organization. This model
@@ -131,6 +133,7 @@ class CircuitType(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Circuit(ChangeLoggedModel, CustomFieldModel):
     """
     A communications circuit connects two points. Each Circuit belongs to a Provider; Providers may have multiple

netbox/dcim/models/__init__.py

@@ -21,6 +21,7 @@ from dcim.constants import *
 from dcim.fields import ASNField
 from dcim.elevations import RackElevationSVG
 from extras.models import ConfigContextModel, CustomFieldModel, ObjectChange, TaggedItem
+from extras.utils import extras_features
 from utilities.fields import ColorField, NaturalOrderingField
 from utilities.models import ChangeLoggedModel
 from utilities.utils import serialize_object, to_meters
@@ -75,6 +76,7 @@ __all__ = (
 # Regions
 #
 
+@extras_features('export_templates', 'webhooks')
 class Region(MPTTModel, ChangeLoggedModel):
     """
     Sites can be grouped within geographic Regions.
@@ -133,6 +135,7 @@ class Region(MPTTModel, ChangeLoggedModel):
 # Sites
 #
 
+@extras_features('custom_fields', 'custom_links', 'graphs', 'export_templates', 'webhooks')
 class Site(ChangeLoggedModel, CustomFieldModel):
     """
     A Site represents a geographic location within a network; typically a building or campus. The optional facility
@@ -283,6 +286,7 @@ class Site(ChangeLoggedModel, CustomFieldModel):
 # Racks
 #
 
+@extras_features('export_templates')
 class RackGroup(ChangeLoggedModel):
     """
     Racks can be grouped as subsets within a Site. The scope of a group will depend on how Sites are defined. For
@@ -359,6 +363,7 @@ class RackRole(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Rack(ChangeLoggedModel, CustomFieldModel):
     """
     Devices are housed within Racks. Each rack has a defined height measured in rack units, and a front and rear face.
@@ -823,6 +828,7 @@ class RackReservation(ChangeLoggedModel):
 # Device Types
 #
 
+@extras_features('export_templates', 'webhooks')
 class Manufacturer(ChangeLoggedModel):
     """
     A Manufacturer represents a company which produces hardware devices; for example, Juniper or Dell.
@@ -853,6 +859,7 @@ class Manufacturer(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class DeviceType(ChangeLoggedModel, CustomFieldModel):
     """
     A DeviceType represents a particular make (Manufacturer) and model of device. It specifies rack height and depth, as
@@ -1196,6 +1203,7 @@ class Platform(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'graphs', 'export_templates', 'webhooks')
 class Device(ChangeLoggedModel, ConfigContextModel, CustomFieldModel):
     """
     A Device represents a piece of physical hardware mounted within a Rack. Each Device is assigned a DeviceType,
@@ -1631,6 +1639,7 @@ class Device(ChangeLoggedModel, ConfigContextModel, CustomFieldModel):
 # Virtual chassis
 #
 
+@extras_features('export_templates', 'webhooks')
 class VirtualChassis(ChangeLoggedModel):
     """
     A collection of Devices which operate with a shared control plane (e.g. a switch stack).
@@ -1697,6 +1706,7 @@ class VirtualChassis(ChangeLoggedModel):
 # Power
 #
 
+@extras_features('custom_links', 'export_templates', 'webhooks')
 class PowerPanel(ChangeLoggedModel):
     """
     A distribution point for electrical power; e.g. a data center RPP.
@@ -1743,6 +1753,7 @@ class PowerPanel(ChangeLoggedModel):
             ))
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class PowerFeed(ChangeLoggedModel, CableTermination, CustomFieldModel):
     """
     An electrical circuit delivered from a PowerPanel.
@@ -1904,6 +1915,7 @@ class PowerFeed(ChangeLoggedModel, CableTermination, CustomFieldModel):
 # Cables
 #
 
+@extras_features('custom_links', 'export_templates', 'webhooks')
 class Cable(ChangeLoggedModel):
     """
     A physical connection between two endpoints.

netbox/dcim/models/device_components.py

@@ -11,6 +11,7 @@ from dcim.constants import *
 from dcim.exceptions import LoopDetected
 from dcim.fields import MACAddressField
 from extras.models import ObjectChange, TaggedItem
+from extras.utils import extras_features
 from utilities.fields import NaturalOrderingField
 from utilities.ordering import naturalize_interface
 from utilities.utils import serialize_object
@@ -169,6 +170,7 @@ class CableTermination(models.Model):
 # Console ports
 #
 
+@extras_features('export_templates', 'webhooks')
 class ConsolePort(CableTermination, ComponentModel):
     """
     A physical console port within a Device. ConsolePorts connect to ConsoleServerPorts.
@@ -229,6 +231,7 @@ class ConsolePort(CableTermination, ComponentModel):
 # Console server ports
 #
 
+@extras_features('webhooks')
 class ConsoleServerPort(CableTermination, ComponentModel):
     """
     A physical port within a Device (typically a designated console server) which provides access to ConsolePorts.
@@ -282,6 +285,7 @@ class ConsoleServerPort(CableTermination, ComponentModel):
 # Power ports
 #
 
+@extras_features('export_templates', 'webhooks')
 class PowerPort(CableTermination, ComponentModel):
     """
     A physical power supply (intake) port within a Device. PowerPorts connect to PowerOutlets.
@@ -443,6 +447,7 @@ class PowerPort(CableTermination, ComponentModel):
 # Power outlets
 #
 
+@extras_features('webhooks')
 class PowerOutlet(CableTermination, ComponentModel):
     """
     A physical power outlet (output) within a Device which provides power to a PowerPort.
@@ -519,6 +524,7 @@ class PowerOutlet(CableTermination, ComponentModel):
 # Interfaces
 #
 
+@extras_features('graphs', 'export_templates', 'webhooks')
 class Interface(CableTermination, ComponentModel):
     """
     A network interface within a Device or VirtualMachine. A physical Interface can connect to exactly one other
@@ -792,6 +798,7 @@ class Interface(CableTermination, ComponentModel):
 # Pass-through ports
 #
 
+@extras_features('webhooks')
 class FrontPort(CableTermination, ComponentModel):
     """
     A pass-through port on the front of a Device.
@@ -864,6 +871,7 @@ class FrontPort(CableTermination, ComponentModel):
             )
 
 
+@extras_features('webhooks')
 class RearPort(CableTermination, ComponentModel):
     """
     A pass-through port on the rear of a Device.
@@ -915,6 +923,7 @@ class RearPort(CableTermination, ComponentModel):
 # Device bays
 #
 
+@extras_features('webhooks')
 class DeviceBay(ComponentModel):
     """
     An empty space within a Device which can house a child device
@@ -989,6 +998,7 @@ class DeviceBay(ComponentModel):
 # Inventory items
 #
 
+@extras_features('export_templates', 'webhooks')
 class InventoryItem(ComponentModel):
     """
     An InventoryItem represents a serialized piece of hardware within a Device, such as a line card or power supply.

netbox/extras/api/serializers.py

@@ -13,6 +13,7 @@ from extras.constants import *
 from extras.models import (
     ConfigContext, ExportTemplate, Graph, ImageAttachment, ObjectChange, ReportResult, Tag,
 )
+from extras.utils import FeatureQuerySet
 from tenancy.api.nested_serializers import NestedTenantSerializer, NestedTenantGroupSerializer
 from tenancy.models import Tenant, TenantGroup
 from users.api.nested_serializers import NestedUserSerializer
@@ -31,7 +32,7 @@ from .nested_serializers import *
 
 class GraphSerializer(ValidatedModelSerializer):
     type = ContentTypeField(
-        queryset=ContentType.objects.filter(GRAPH_MODELS),
+        queryset=ContentType.objects.filter(FeatureQuerySet('graphs').get_queryset()),
     )
 
     class Meta:
@@ -67,7 +68,7 @@ class RenderedGraphSerializer(serializers.ModelSerializer):
 
 class ExportTemplateSerializer(ValidatedModelSerializer):
     content_type = ContentTypeField(
-        queryset=ContentType.objects.filter(EXPORTTEMPLATE_MODELS),
+        queryset=ContentType.objects.filter(FeatureQuerySet('export_templates').get_queryset()),
     )
     template_language = ChoiceField(
         choices=TemplateLanguageChoices,

netbox/extras/constants.py

@@ -1,129 +1,3 @@
-from django.db.models import Q
-
-
-# Models which support custom fields
-CUSTOMFIELD_MODELS = Q(
-    Q(app_label='circuits', model__in=[
-        'circuit',
-        'provider',
-    ]) |
-    Q(app_label='dcim', model__in=[
-        'device',
-        'devicetype',
-        'powerfeed',
-        'rack',
-        'site',
-    ]) |
-    Q(app_label='ipam', model__in=[
-        'aggregate',
-        'ipaddress',
-        'prefix',
-        'service',
-        'vlan',
-        'vrf',
-    ]) |
-    Q(app_label='secrets', model__in=[
-        'secret',
-    ]) |
-    Q(app_label='tenancy', model__in=[
-        'tenant',
-    ]) |
-    Q(app_label='virtualization', model__in=[
-        'cluster',
-        'virtualmachine',
-    ])
-)
-
-# Custom links
-CUSTOMLINK_MODELS = Q(
-    Q(app_label='circuits', model__in=[
-        'circuit',
-        'provider',
-    ]) |
-    Q(app_label='dcim', model__in=[
-        'cable',
-        'device',
-        'devicetype',
-        'powerpanel',
-        'powerfeed',
-        'rack',
-        'site',
-    ]) |
-    Q(app_label='ipam', model__in=[
-        'aggregate',
-        'ipaddress',
-        'prefix',
-        'service',
-        'vlan',
-        'vrf',
-    ]) |
-    Q(app_label='secrets', model__in=[
-        'secret',
-    ]) |
-    Q(app_label='tenancy', model__in=[
-        'tenant',
-    ]) |
-    Q(app_label='virtualization', model__in=[
-        'cluster',
-        'virtualmachine',
-    ])
-)
-
-# Models which can have Graphs associated with them
-GRAPH_MODELS = Q(
-    Q(app_label='circuits', model__in=[
-        'provider',
-    ]) |
-    Q(app_label='dcim', model__in=[
-        'device',
-        'interface',
-        'site',
-    ])
-)
-
-# Models which support export templates
-EXPORTTEMPLATE_MODELS = Q(
-    Q(app_label='circuits', model__in=[
-        'circuit',
-        'provider',
-    ]) |
-    Q(app_label='dcim', model__in=[
-        'cable',
-        'consoleport',
-        'device',
-        'devicetype',
-        'interface',
-        'inventoryitem',
-        'manufacturer',
-        'powerpanel',
-        'powerport',
-        'powerfeed',
-        'rack',
-        'rackgroup',
-        'region',
-        'site',
-        'virtualchassis',
-    ]) |
-    Q(app_label='ipam', model__in=[
-        'aggregate',
-        'ipaddress',
-        'prefix',
-        'service',
-        'vlan',
-        'vrf',
-    ]) |
-    Q(app_label='secrets', model__in=[
-        'secret',
-    ]) |
-    Q(app_label='tenancy', model__in=[
-        'tenant',
-    ]) |
-    Q(app_label='virtualization', model__in=[
-        'cluster',
-        'virtualmachine',
-    ])
-)
-
 # Report logging levels
 LOG_DEFAULT = 0
 LOG_SUCCESS = 10
@@ -138,51 +12,14 @@ LOG_LEVEL_CODES = {
     LOG_FAILURE: 'failure',
 }
 
+# Webhook content types
 HTTP_CONTENT_TYPE_JSON = 'application/json'
 
-# Models which support registered webhooks
-WEBHOOK_MODELS = Q(
-    Q(app_label='circuits', model__in=[
-        'circuit',
-        'provider',
-    ]) |
-    Q(app_label='dcim', model__in=[
-        'cable',
-        'consoleport',
-        'consoleserverport',
-        'device',
-        'devicebay',
-        'devicetype',
-        'frontport',
-        'interface',
-        'inventoryitem',
-        'manufacturer',
-        'poweroutlet',
-        'powerpanel',
-        'powerport',
-        'powerfeed',
-        'rack',
-        'rearport',
-        'region',
-        'site',
-        'virtualchassis',
-    ]) |
-    Q(app_label='ipam', model__in=[
-        'aggregate',
-        'ipaddress',
-        'prefix',
-        'service',
-        'vlan',
-        'vrf',
-    ]) |
-    Q(app_label='secrets', model__in=[
-        'secret',
-    ]) |
-    Q(app_label='tenancy', model__in=[
-        'tenant',
-    ]) |
-    Q(app_label='virtualization', model__in=[
-        'cluster',
-        'virtualmachine',
-    ])
-)
+# Registerable extras features
+EXTRAS_FEATURES = [
+    'custom_fields',
+    'custom_links',
+    'graphs',
+    'export_templates',
+    'webhooks'
+]

netbox/extras/migrations/0039_update_features_content_types.py

@@ -0,0 +1,40 @@
+# Generated by Django 2.2.11 on 2020-03-14 06:50
+
+from django.db import migrations, models
+import django.db.models.deletion
+import extras.utils
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('extras', '0038_webhook_template_support'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='customfield',
+            name='obj_type',
+            field=models.ManyToManyField(limit_choices_to=extras.utils.FeatureQuerySet('custom_fields'), related_name='custom_fields', to='contenttypes.ContentType'),
+        ),
+        migrations.AlterField(
+            model_name='customlink',
+            name='content_type',
+            field=models.ForeignKey(limit_choices_to=extras.utils.FeatureQuerySet('custom_links'), on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType'),
+        ),
+        migrations.AlterField(
+            model_name='exporttemplate',
+            name='content_type',
+            field=models.ForeignKey(limit_choices_to=extras.utils.FeatureQuerySet('export_templates'), on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType'),
+        ),
+        migrations.AlterField(
+            model_name='graph',
+            name='type',
+            field=models.ForeignKey(limit_choices_to=extras.utils.FeatureQuerySet('graphs'), on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType'),
+        ),
+        migrations.AlterField(
+            model_name='webhook',
+            name='obj_type',
+            field=models.ManyToManyField(limit_choices_to=extras.utils.FeatureQuerySet('webhooks'), related_name='webhooks', to='contenttypes.ContentType'),
+        ),
+    ]

netbox/extras/models.py

@@ -22,6 +22,7 @@ from utilities.utils import deepmerge, render_jinja2
 from .choices import *
 from .constants import *
 from .querysets import ConfigContextQuerySet
+from .utils import FeatureQuerySet
 
 
 __all__ = (
@@ -58,7 +59,7 @@ class Webhook(models.Model):
         to=ContentType,
         related_name='webhooks',
         verbose_name='Object types',
-        limit_choices_to=WEBHOOK_MODELS,
+        limit_choices_to=FeatureQuerySet('webhooks'),
         help_text="The object(s) to which this Webhook applies."
     )
     name = models.CharField(
@@ -223,7 +224,7 @@ class CustomField(models.Model):
         to=ContentType,
         related_name='custom_fields',
         verbose_name='Object(s)',
-        limit_choices_to=CUSTOMFIELD_MODELS,
+        limit_choices_to=FeatureQuerySet('custom_fields'),
         help_text='The object(s) to which this field applies.'
     )
     type = models.CharField(
@@ -470,7 +471,7 @@ class CustomLink(models.Model):
     content_type = models.ForeignKey(
         to=ContentType,
         on_delete=models.CASCADE,
-        limit_choices_to=CUSTOMLINK_MODELS
+        limit_choices_to=FeatureQuerySet('custom_links')
     )
     name = models.CharField(
         max_length=100,
@@ -518,7 +519,7 @@ class Graph(models.Model):
     type = models.ForeignKey(
         to=ContentType,
         on_delete=models.CASCADE,
-        limit_choices_to=GRAPH_MODELS
+        limit_choices_to=FeatureQuerySet('graphs')
     )
     weight = models.PositiveSmallIntegerField(
         default=1000
@@ -581,7 +582,7 @@ class ExportTemplate(models.Model):
     content_type = models.ForeignKey(
         to=ContentType,
         on_delete=models.CASCADE,
-        limit_choices_to=EXPORTTEMPLATE_MODELS
+        limit_choices_to=FeatureQuerySet('export_templates')
     )
     name = models.CharField(
         max_length=100

netbox/extras/tests/test_api.py

@@ -8,9 +8,9 @@ from rest_framework import status
 from dcim.models import Device, DeviceRole, DeviceType, Manufacturer, Platform, Rack, RackGroup, RackRole, Region, Site
 from extras.api.views import ScriptViewSet
 from extras.choices import *
-from extras.constants import GRAPH_MODELS
 from extras.models import ConfigContext, Graph, ExportTemplate, Tag
 from extras.scripts import BooleanVar, IntegerVar, Script, StringVar
+from extras.utils import FeatureQuerySet
 from tenancy.models import Tenant, TenantGroup
 from utilities.testing import APITestCase, choices_to_dict
 
@@ -35,7 +35,7 @@ class AppTest(APITestCase):
         self.assertEqual(choices_to_dict(response.data.get('export-template:template_language')), TemplateLanguageChoices.as_dict())
 
         # Graph
-        content_types = ContentType.objects.filter(GRAPH_MODELS)
+        content_types = ContentType.objects.filter(FeatureQuerySet('graphs').get_queryset())
         graph_type_choices = {
             "{}.{}".format(ct.app_label, ct.model): ct.name for ct in content_types
         }

netbox/extras/tests/test_filters.py

@@ -3,8 +3,8 @@ from django.test import TestCase
 
 from dcim.models import DeviceRole, Platform, Region, Site
 from extras.choices import *
-from extras.constants import GRAPH_MODELS
 from extras.filters import *
+from extras.utils import FeatureQuerySet
 from extras.models import ConfigContext, ExportTemplate, Graph
 from tenancy.models import Tenant, TenantGroup
 from virtualization.models import Cluster, ClusterGroup, ClusterType
@@ -18,7 +18,7 @@ class GraphTestCase(TestCase):
     def setUpTestData(cls):
 
         # Get the first three available types
-        content_types = ContentType.objects.filter(GRAPH_MODELS)[:3]
+        content_types = ContentType.objects.filter(FeatureQuerySet('graphs').get_queryset())[:3]
 
         graphs = (
             Graph(name='Graph 1', type=content_types[0], template_language=TemplateLanguageChoices.LANGUAGE_DJANGO, source='http://example.com/1'),
@@ -32,7 +32,7 @@ class GraphTestCase(TestCase):
         self.assertEqual(self.filterset(params, self.queryset).qs.count(), 2)
 
     def test_type(self):
-        content_type = ContentType.objects.filter(GRAPH_MODELS).first()
+        content_type = ContentType.objects.filter(FeatureQuerySet('graphs').get_queryset()).first()
         params = {'type': content_type.pk}
         self.assertEqual(self.filterset(params, self.queryset).qs.count(), 1)
 

netbox/extras/utils.py

@@ -1,6 +1,12 @@
+import collections
+
+from django.db.models import Q
+from django.utils.deconstruct import deconstructible
 from taggit.managers import _TaggableManager
 from utilities.querysets import DummyQuerySet
 
+from extras.constants import EXTRAS_FEATURES
+
 
 def is_taggable(obj):
     """
@@ -13,3 +19,65 @@ def is_taggable(obj):
         if isinstance(obj.tags, DummyQuerySet):
             return True
     return False
+
+
+#
+# Dynamic feature registration
+#
+
+class Registry:
+    """
+    The registry is a place to hook into for data storage across components
+    """
+
+    def add_store(self, store_name, initial_value=None):
+        """
+        Given the name of some new data parameter and an optional initial value, setup the registry store
+        """
+        if not hasattr(Registry, store_name):
+            setattr(Registry, store_name, initial_value)
+
+
+registry = Registry()
+
+
+@deconstructible
+class FeatureQuerySet:
+    """
+    Helper class that delays evaluation of the registry contents for the functionaility store
+    until it has been populated.
+    """
+
+    def __init__(self, feature):
+        self.feature = feature
+
+    def __call__(self):
+        return self.get_queryset()
+
+    def get_queryset(self):
+        """
+        Given an extras feature, return a Q object for content type lookup
+        """
+        query = Q()
+        for app_label, models in registry.model_feature_store[self.feature].items():
+            query |= Q(app_label=app_label, model__in=models)
+
+        return query
+
+
+registry.add_store('model_feature_store', {f: collections.defaultdict(list) for f in EXTRAS_FEATURES})
+
+
+def extras_features(*features):
+    """
+    Decorator used to register extras provided features to a model
+    """
+    def wrapper(model_class):
+        for feature in features:
+            if feature in EXTRAS_FEATURES:
+                app_label, model_name = model_class._meta.label_lower.split('.')
+                registry.model_feature_store[feature][app_label].append(model_name)
+            else:
+                raise ValueError('{} is not a valid extras feature!'.format(feature))
+        return model_class
+    return wrapper

netbox/extras/webhooks.py

@@ -8,6 +8,7 @@ from extras.models import Webhook
 from utilities.api import get_serializer_for_model
 from .choices import *
 from .constants import *
+from .utils import FeatureQuerySet
 
 
 def generate_signature(request_body, secret):
@@ -29,7 +30,7 @@ def enqueue_webhooks(instance, user, request_id, action):
     """
     obj_type = ContentType.objects.get_for_model(instance.__class__)
 
-    webhook_models = ContentType.objects.filter(WEBHOOK_MODELS)
+    webhook_models = ContentType.objects.filter(FeatureQuerySet('webhooks').get_queryset())
     if obj_type not in webhook_models:
         return
 

netbox/ipam/models.py

@@ -10,6 +10,7 @@ from taggit.managers import TaggableManager
 
 from dcim.models import Device, Interface
 from extras.models import CustomFieldModel, ObjectChange, TaggedItem
+from extras.utils import extras_features
 from utilities.models import ChangeLoggedModel
 from utilities.utils import serialize_object
 from virtualization.models import VirtualMachine
@@ -34,6 +35,7 @@ __all__ = (
 )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class VRF(ChangeLoggedModel, CustomFieldModel):
     """
     A virtual routing and forwarding (VRF) table represents a discrete layer three forwarding domain (e.g. a routing
@@ -145,6 +147,7 @@ class RIR(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Aggregate(ChangeLoggedModel, CustomFieldModel):
     """
     An aggregate exists at the root level of the IP address space hierarchy in NetBox. Aggregates are used to organize
@@ -285,6 +288,7 @@ class Role(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Prefix(ChangeLoggedModel, CustomFieldModel):
     """
     A Prefix represents an IPv4 or IPv6 network, including mask length. Prefixes can optionally be assigned to Sites and
@@ -551,6 +555,7 @@ class Prefix(ChangeLoggedModel, CustomFieldModel):
             return int(float(child_count) / prefix_size * 100)
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class IPAddress(ChangeLoggedModel, CustomFieldModel):
     """
     An IPAddress represents an individual IPv4 or IPv6 address and its mask. The mask length should match what is
@@ -854,6 +859,7 @@ class VLANGroup(ChangeLoggedModel):
         return None
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class VLAN(ChangeLoggedModel, CustomFieldModel):
     """
     A VLAN is a distinct layer two forwarding domain identified by a 12-bit integer (1-4094). Each VLAN must be assigned
@@ -978,6 +984,7 @@ class VLAN(ChangeLoggedModel, CustomFieldModel):
         ).distinct()
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Service(ChangeLoggedModel, CustomFieldModel):
     """
     A Service represents a layer-four service (e.g. HTTP or SSH) running on a Device or VirtualMachine. A Service may

netbox/secrets/models.py

@@ -16,6 +16,7 @@ from taggit.managers import TaggableManager
 
 from dcim.models import Device
 from extras.models import CustomFieldModel, TaggedItem
+from extras.utils import extras_features
 from utilities.models import ChangeLoggedModel
 from .exceptions import InvalidKey
 from .hashers import SecretValidationHasher
@@ -295,6 +296,7 @@ class SecretRole(ChangeLoggedModel):
         return user in self.users.all() or user.groups.filter(pk__in=self.groups.all()).exists()
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Secret(ChangeLoggedModel, CustomFieldModel):
     """
     A Secret stores an AES256-encrypted copy of sensitive data, such as passwords or secret keys. An irreversible

netbox/tenancy/models.py

@@ -4,6 +4,7 @@ from django.urls import reverse
 from taggit.managers import TaggableManager
 
 from extras.models import CustomFieldModel, TaggedItem
+from extras.utils import extras_features
 from utilities.models import ChangeLoggedModel
 
 
@@ -43,6 +44,7 @@ class TenantGroup(ChangeLoggedModel):
         )
 
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Tenant(ChangeLoggedModel, CustomFieldModel):
     """
     A Tenant represents an organization served by the NetBox owner. This is typically a customer or an internal

netbox/virtualization/models.py

@@ -7,6 +7,7 @@ from taggit.managers import TaggableManager
 
 from dcim.models import Device
 from extras.models import ConfigContextModel, CustomFieldModel, TaggedItem
+from extras.utils import extras_features
 from utilities.models import ChangeLoggedModel
 from .choices import *
 
@@ -91,6 +92,7 @@ class ClusterGroup(ChangeLoggedModel):
 # Clusters
 #
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class Cluster(ChangeLoggedModel, CustomFieldModel):
     """
     A cluster of VirtualMachines. Each Cluster may optionally be associated with one or more Devices.
@@ -177,6 +179,7 @@ class Cluster(ChangeLoggedModel, CustomFieldModel):
 # Virtual machines
 #
 
+@extras_features('custom_fields', 'custom_links', 'export_templates', 'webhooks')
 class VirtualMachine(ChangeLoggedModel, ConfigContextModel, CustomFieldModel):
     """
     A virtual machine which runs inside a Cluster.