From 706bbf58dd04111fdb88473dca94f2bf13ca28cc Mon Sep 17 00:00:00 2001
From: Peter Eckel <pe-git@hindenburgring.com>
Date: Fri, 28 Oct 2022 09:08:57 +0200
Subject: [PATCH 1/2] Set TTL for the zones' NS records to None

---
 netbox_dns/migrations/0018_update_ns_ttl.py | 20 ++++++++++++++++++++
 netbox_dns/models.py                        |  2 --
 2 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 netbox_dns/migrations/0018_update_ns_ttl.py

diff --git a/netbox_dns/migrations/0018_update_ns_ttl.py b/netbox_dns/migrations/0018_update_ns_ttl.py
new file mode 100644
index 0000000..4db91a3
--- /dev/null
+++ b/netbox_dns/migrations/0018_update_ns_ttl.py
@@ -0,0 +1,20 @@
+from django.db import migrations
+
+
+def update_ns_ttl(apps, schema_editor):
+    Zone = apps.get_model("netbox_dns", "Zone")
+
+    for zone in Zone.objects.all():
+        for nameserver in zone.nameservers.all():
+            nameserver.ttl = None
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("netbox_dns", "0017_alter_record_ttl"),
+    ]
+
+    operations = [
+        migrations.RunPython(update_ns_ttl),
+    ]
diff --git a/netbox_dns/models.py b/netbox_dns/models.py
index 59746ae..f511ead 100644
--- a/netbox_dns/models.py
+++ b/netbox_dns/models.py
@@ -273,7 +273,6 @@ def update_soa_record(self):
 
     def update_ns_records(self, nameservers):
         ns_name = "@"
-        ns_ttl = self.default_ttl
 
         delete_ns = self.record_set.filter(
             type=RecordTypeChoices.NS, managed=True
@@ -286,7 +285,6 @@ def update_ns_records(self, nameservers):
                 zone_id=self.pk,
                 type=RecordTypeChoices.NS,
                 name=ns_name,
-                ttl=ns_ttl,
                 value=ns,
                 managed=True,
             )

From 75d5c8da60278876c1aad3dafa069cc3ecac2648 Mon Sep 17 00:00:00 2001
From: Peter Eckel <pe-git@hindenburgring.com>
Date: Wed, 9 Nov 2022 14:21:49 +0100
Subject: [PATCH 2/2] Resolved merge conflict

---
 .../migrations/{0018_update_ns_ttl.py => 0019_update_ns_ttl.py} | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 rename netbox_dns/migrations/{0018_update_ns_ttl.py => 0019_update_ns_ttl.py} (88%)

diff --git a/netbox_dns/migrations/0018_update_ns_ttl.py b/netbox_dns/migrations/0019_update_ns_ttl.py
similarity index 88%
rename from netbox_dns/migrations/0018_update_ns_ttl.py
rename to netbox_dns/migrations/0019_update_ns_ttl.py
index 4db91a3..2c3656a 100644
--- a/netbox_dns/migrations/0018_update_ns_ttl.py
+++ b/netbox_dns/migrations/0019_update_ns_ttl.py
@@ -12,7 +12,7 @@ def update_ns_ttl(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("netbox_dns", "0017_alter_record_ttl"),
+        ("netbox_dns", "0018_zone_arpa_network"),
     ]
 
     operations = [