From c7e6f5e55693f7d6a66e26be7647282ab5bf36c8 Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Tue, 16 May 2023 14:30:35 -0700
Subject: [PATCH] 6347 virtual machine interface count

---
 netbox/virtualization/apps.py                   | 5 +++++
 netbox/virtualization/models/virtualmachines.py | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/netbox/virtualization/apps.py b/netbox/virtualization/apps.py
index 1b6b110df..913c8d795 100644
--- a/netbox/virtualization/apps.py
+++ b/netbox/virtualization/apps.py
@@ -6,3 +6,8 @@ class VirtualizationConfig(AppConfig):
 
     def ready(self):
         from . import search
+        from .models import VMInterface
+
+        from utilities.counter import connect_counter
+
+        connect_counter('_interface_count', VMInterface.virtual_machine)
diff --git a/netbox/virtualization/models/virtualmachines.py b/netbox/virtualization/models/virtualmachines.py
index 6e9cc5664..59351730e 100644
--- a/netbox/virtualization/models/virtualmachines.py
+++ b/netbox/virtualization/models/virtualmachines.py
@@ -11,7 +11,7 @@ from extras.models import ConfigContextModel
 from extras.querysets import ConfigContextModelQuerySet
 from netbox.config import get_config
 from netbox.models import NetBoxModel, PrimaryModel
-from utilities.fields import NaturalOrderingField
+from utilities.fields import CounterCacheField, NaturalOrderingField
 from utilities.ordering import naturalize_interface
 from utilities.query_functions import CollateAsChar
 from virtualization.choices import *
@@ -120,6 +120,8 @@ class VirtualMachine(PrimaryModel, ConfigContextModel):
         verbose_name='Disk (GB)'
     )
 
+    _interface_count = CounterCacheField()
+
     # Generic relation
     contacts = GenericRelation(
         to='tenancy.ContactAssignment'