From 180d3d002992d6ce0c2cabe4905fc5ef0a9e8b35 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <stretch@packetlife.net>
Date: Thu, 21 Nov 2019 21:44:30 -0500
Subject: [PATCH] Resolved migration discrepancies when dealing with NULL
 values

---
 netbox/dcim/migrations/0078_rack_type_to_slug.py             | 5 +++++
 netbox/dcim/migrations/0079_rack_status_to_slug.py           | 2 +-
 netbox/dcim/migrations/0080_device_face_to_slug.py           | 5 +++++
 .../dcim/migrations/0081_devicetype_subdevicerole_to_slug.py | 5 +++++
 netbox/dcim/models.py                                        | 1 +
 5 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/netbox/dcim/migrations/0078_rack_type_to_slug.py b/netbox/dcim/migrations/0078_rack_type_to_slug.py
index 33c9c8f7b..2ebcd7168 100644
--- a/netbox/dcim/migrations/0078_rack_type_to_slug.py
+++ b/netbox/dcim/migrations/0078_rack_type_to_slug.py
@@ -31,4 +31,9 @@ class Migration(migrations.Migration):
         migrations.RunPython(
             code=rack_type_to_slug
         ),
+        migrations.AlterField(
+            model_name='rack',
+            name='type',
+            field=models.CharField(blank=True, max_length=50),
+        ),
     ]
diff --git a/netbox/dcim/migrations/0079_rack_status_to_slug.py b/netbox/dcim/migrations/0079_rack_status_to_slug.py
index 1760c321e..76890d796 100644
--- a/netbox/dcim/migrations/0079_rack_status_to_slug.py
+++ b/netbox/dcim/migrations/0079_rack_status_to_slug.py
@@ -26,7 +26,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='rack',
             name='status',
-            field=models.CharField(blank=True, default='active', max_length=50),
+            field=models.CharField(default='active', max_length=50),
         ),
         migrations.RunPython(
             code=rack_status_to_slug
diff --git a/netbox/dcim/migrations/0080_device_face_to_slug.py b/netbox/dcim/migrations/0080_device_face_to_slug.py
index 93d9c7609..4fe214770 100644
--- a/netbox/dcim/migrations/0080_device_face_to_slug.py
+++ b/netbox/dcim/migrations/0080_device_face_to_slug.py
@@ -28,4 +28,9 @@ class Migration(migrations.Migration):
         migrations.RunPython(
             code=device_face_to_slug
         ),
+        migrations.AlterField(
+            model_name='device',
+            name='face',
+            field=models.CharField(blank=True, max_length=50),
+        ),
     ]
diff --git a/netbox/dcim/migrations/0081_devicetype_subdevicerole_to_slug.py b/netbox/dcim/migrations/0081_devicetype_subdevicerole_to_slug.py
index edcfc9e4b..2497f1702 100644
--- a/netbox/dcim/migrations/0081_devicetype_subdevicerole_to_slug.py
+++ b/netbox/dcim/migrations/0081_devicetype_subdevicerole_to_slug.py
@@ -28,4 +28,9 @@ class Migration(migrations.Migration):
         migrations.RunPython(
             code=devicetype_subdevicerole_to_slug
         ),
+        migrations.AlterField(
+            model_name='devicetype',
+            name='subdevice_role',
+            field=models.CharField(blank=True, max_length=50),
+        ),
     ]
diff --git a/netbox/dcim/models.py b/netbox/dcim/models.py
index 93aa8c8fb..4b4087d9a 100644
--- a/netbox/dcim/models.py
+++ b/netbox/dcim/models.py
@@ -922,6 +922,7 @@ class DeviceType(ChangeLoggedModel, CustomFieldModel):
     subdevice_role = models.CharField(
         max_length=50,
         choices=SubdeviceRoleChoices,
+        blank=True,
         verbose_name='Parent/child status',
         help_text='Parent devices house child devices in device bays. Leave blank '
                   'if this device type is neither a parent nor a child.'