Device/VM unique constraints ignore case for name field

netbox/virtualization/migrations/0033_unique_constraints.py

@@ -1,4 +1,5 @@
 from django.db import migrations, models
+import django.db.models.functions.text
 
 
 class Migration(migrations.Migration):
@@ -30,11 +31,11 @@ class Migration(migrations.Migration):
         ),
         migrations.AddConstraint(
             model_name='virtualmachine',
-            constraint=models.UniqueConstraint(fields=('name', 'cluster', 'tenant'), name='virtualization_virtualmachine_unique_name_cluster_tenant'),
+            constraint=models.UniqueConstraint(django.db.models.functions.text.Lower('name'), models.F('cluster'), models.F('tenant'), name='virtualization_virtualmachine_unique_name_cluster_tenant'),
         ),
         migrations.AddConstraint(
             model_name='virtualmachine',
-            constraint=models.UniqueConstraint(condition=models.Q(('tenant__isnull', True)), fields=('name', 'cluster'), name='virtualization_virtualmachine_unique_name_cluster', violation_error_message='Virtual machine name must be unique per site.'),
+            constraint=models.UniqueConstraint(django.db.models.functions.text.Lower('name'), models.F('cluster'), condition=models.Q(('tenant__isnull', True)), name='virtualization_virtualmachine_unique_name_cluster', violation_error_message='Virtual machine name must be unique per cluster.'),
         ),
         migrations.AddConstraint(
             model_name='vminterface',

netbox/virtualization/models.py

@@ -3,6 +3,7 @@ from django.core.exceptions import ValidationError
 from django.core.validators import MinValueValidator
 from django.db import models
 from django.db.models import Q
+from django.db.models.functions import Lower
 from django.urls import reverse
 
 from dcim.models import BaseInterface, Device
@@ -318,14 +319,14 @@ class VirtualMachine(NetBoxModel, ConfigContextModel):
         ordering = ('_name', 'pk')  # Name may be non-unique
         constraints = (
             models.UniqueConstraint(
-                fields=('name', 'cluster', 'tenant'),
+                Lower('name'), 'cluster', 'tenant',
                 name='%(app_label)s_%(class)s_unique_name_cluster_tenant'
             ),
             models.UniqueConstraint(
-                fields=('name', 'cluster'),
+                Lower('name'), 'cluster',
                 name='%(app_label)s_%(class)s_unique_name_cluster',
                 condition=Q(tenant__isnull=True),
-                violation_error_message="Virtual machine name must be unique per site."
+                violation_error_message="Virtual machine name must be unique per cluster."
             ),
         )
 

netbox/virtualization/tests/test_models.py

@@ -8,12 +8,14 @@ from tenancy.models import Tenant
 
 class VirtualMachineTestCase(TestCase):
 
-    def test_vm_duplicate_name_per_cluster(self):
+    @classmethod
+    def setUpTestData(cls):
         cluster_type = ClusterType.objects.create(name='Cluster Type 1', slug='cluster-type-1')
-        cluster = Cluster.objects.create(name='Cluster 1', type=cluster_type)
+        Cluster.objects.create(name='Cluster 1', type=cluster_type)
 
+    def test_vm_duplicate_name_per_cluster(self):
         vm1 = VirtualMachine(
-            cluster=cluster,
+            cluster=Cluster.objects.first(),
             name='Test VM 1'
         )
         vm1.save()
@@ -43,7 +45,7 @@ class VirtualMachineTestCase(TestCase):
         vm2.save()
 
     def test_vm_mismatched_site_cluster(self):
-        cluster_type = ClusterType.objects.create(name='Cluster Type 1', slug='cluster-type-1')
+        cluster_type = ClusterType.objects.first()
 
         sites = (
             Site(name='Site 1', slug='site-1'),
@@ -71,3 +73,19 @@ class VirtualMachineTestCase(TestCase):
         # VM with cluster site but no direct site should fail
         with self.assertRaises(ValidationError):
             VirtualMachine(name='vm1', site=None, cluster=clusters[0]).full_clean()
+
+    def test_vm_name_case_sensitivity(self):
+        vm1 = VirtualMachine(
+            cluster=Cluster.objects.first(),
+            name='virtual machine 1'
+        )
+        vm1.save()
+
+        vm2 = VirtualMachine(
+            cluster=vm1.cluster,
+            name='VIRTUAL MACHINE 1'
+        )
+
+        # Uniqueness validation for name should ignore case
+        with self.assertRaises(ValidationError):
+            vm2.full_clean()