Closes: #7854 - Add VDC/Instances/etc (#10787)

* Work on #7854

* Move to new URL scheme.

* Fix PEP8 errors

* Fix PEP8 errors

* Add GraphQL and fix primary_ip missing

* Fix PEP8 on GQL Type

* Fix missing NestedSerializer.

* Fix missing NestedSerializer & rename VDC to VDCs

* Fix migration

* Change Validation for identifier

* Fix missing migration

* Rebase to feature

* Post-review changes

* Remove VDC Type
* Remove M2M Enforcement logic

* Interface related changes

* Add filter fields to filterset for Interface filter
* Add form field to filterset form for Interface filter
* Add VDC display to interface detail template

* Remove VirtualDeviceContextTypeChoices

* Accommodate recent changes in feature branch

* Add tests
Add missing search()

* Update tests, and fix model form

* Update test_api

* Update test_api.InterfaceTest create_data

* Fix issue with tests

* Update interface serializer

* Update serializer and tests

* Update status to be required

* Remove error message for constraint

* Remove extraneous import

* Re-ordered devices menu to place VDC below virtual chassis

* Add helptext for `identifier` field

* Fix breadcrumb link

* Remove add interface link

* Add missing tenant and status fields

* Changes to tests as per Jeremy

* Change for #9623

Co-authored-by: Jeremy Stretch <jstretch@ns1.com>

* Update filterset form for status field

* Remove Rename View

* Change tabs to spaces

* Update netbox/dcim/tables/devices.py

Co-authored-by: Jeremy Stretch <jstretch@ns1.com>

* Update netbox/dcim/tables/devices.py

Co-authored-by: Jeremy Stretch <jstretch@ns1.com>

* Fix tenant in bulk_edit

* Apply suggestions from code review

Co-authored-by: Jeremy Stretch <jstretch@ns1.com>

* Add status field to table.

* Re-order table fields.

Co-authored-by: Jeremy Stretch <jstretch@ns1.com>

netbox/dcim/choices.py

@@ -1399,3 +1399,20 @@ class PowerFeedPhaseChoices(ChoiceSet):
         (PHASE_SINGLE, 'Single phase'),
         (PHASE_3PHASE, 'Three-phase'),
     )
+
+
+#
+# VDC
+#
+class VirtualDeviceContextStatusChoices(ChoiceSet):
+    key = 'VirtualDeviceContext.status'
+
+    STATUS_PLANNED = 'planned'
+    STATUS_ACTIVE = 'active'
+    STATUS_OFFLINE = 'offline'
+
+    CHOICES = [
+        (STATUS_PLANNED, 'Planned', 'cyan'),
+        (STATUS_ACTIVE, 'Active', 'green'),
+        (STATUS_OFFLINE, 'Offline', 'red'),
+    ]