Fix SoftwareVersion assignment during Device update.

changes/626.fixed

@@ -0,0 +1 @@
+Fixed SoftwareVersion update on Devices in DNA Center integration.

nautobot_ssot/integrations/dna_center/diffsync/adapters/nautobot.py

@@ -20,6 +20,7 @@
 from nautobot.dcim.models import Interface as OrmInterface
 from nautobot.dcim.models import Location as OrmLocation
 from nautobot.dcim.models import LocationType as OrmLocationType
+from nautobot.dcim.models import Platform
 from nautobot.extras.models import Relationship as OrmRelationship
 from nautobot.extras.models import RelationshipAssociation as OrmRelationshipAssociation
 from nautobot.extras.models import Status as OrmStatus
@@ -63,6 +64,7 @@ class NautobotAdapter(Adapter):
     site_map = {}
     floor_map = {}
     device_map = {}
+    platform_map = {}
     port_map = {}
     namespace_map = {}
     prefix_map = {}
@@ -398,6 +400,9 @@ def load(self):
         self.status_map = {status.name: status.id for status in OrmStatus.objects.only("id", "name")}
         self.tenant_map = {tenant.name: tenant.id for tenant in OrmTenant.objects.only("id", "name")}
         self.namespace_map = {ns.name: ns.id for ns in Namespace.objects.only("id", "name")}
+        self.platform_map = {
+            platform.network_driver: platform.id for platform in Platform.objects.only("id", "network_driver")
+        }
 
         self.load_areas()
         self.load_buildings()

nautobot_ssot/integrations/dna_center/diffsync/models/nautobot.py

@@ -207,6 +207,7 @@ def create(cls, adapter, ids, attrs):
             device_role.validated_save()
         device_type, _ = DeviceType.objects.get_or_create(model=attrs["model"], manufacturer=manufacturer)
         platform = verify_platform(platform_name=attrs["platform"], manu=manufacturer.id)
+        adapter.platform_map[attrs["platform"]] = platform.id
         new_device = Device(
             name=ids["name"],
             status_id=adapter.status_map[attrs["status"]],
@@ -269,7 +270,9 @@ def update(self, attrs):
         if "platform" in attrs:
             vendor = attrs["vendor"] if attrs.get("vendor") else self.vendor
             manufacturer = Manufacturer.objects.get(name=vendor)
-            device.platform = verify_platform(platform_name=attrs["platform"], manu=manufacturer.id)
+            platform = verify_platform(platform_name=attrs["platform"], manu=manufacturer.id)
+            device.platform = platform
+            self.adapter.platform_map[attrs["platform"]] = platform.id
         if "tenant" in attrs:
             if attrs.get("tenant"):
                 device.tenant_id = self.adapter.tenant_map[attrs["tenant"]]
@@ -291,7 +294,7 @@ def update(self, attrs):
                     platform = self.platform
                 device.software_version = SoftwareVersion.objects.get_or_create(
                     version=attrs["version"],
-                    platform__name=platform,
+                    platform_id=self.adapter.platform_map[platform],
                     defaults={"status_id": self.adapter.status_map["Active"]},
                 )[0]
         device.custom_field_data.update({"system_of_record": "DNA Center"})

nautobot_ssot/integrations/dna_center/utils/nautobot.py

@@ -54,13 +54,12 @@ def add_software_lcm(adapter, platform: str, version: str):
     Returns:
         UUID: UUID of the OS Version that is being found or created.
     """
-    platform_obj = Platform.objects.get(network_driver=platform)
     try:
-        os_ver = SoftwareLCM.objects.get(device_platform=platform_obj, version=version).id
+        os_ver = SoftwareLCM.objects.get(device_platform_id=adapter.platform_map[platform], version=version).id
     except SoftwareLCM.DoesNotExist:
         adapter.job.logger.info(f"Creating Version {version} for {platform}.")
         os_ver = SoftwareLCM(
-            device_platform=platform_obj,
+            device_platform_id=adapter.platform_map[platform],
             version=version,
         )
         os_ver.validated_save()

nautobot_ssot/tests/dna_center/test_models_nautobot.py

@@ -12,6 +12,7 @@
     Location,
     LocationType,
     Manufacturer,
+    Platform,
 )
 from nautobot.extras.models import Role, Status
 from nautobot.tenancy.models import Tenant
@@ -290,6 +291,8 @@ def setUp(self):
         self.adapter.device_map = {}
         self.adapter.floor_map = {}
         self.adapter.site_map = {}
+        ios_platform = Platform.objects.get_or_create(name="IOS", network_driver="cisco_ios")[0]
+        self.adapter.platform_map = {"cisco_ios": ios_platform.id}
         self.adapter.status_map = {"Active": self.status_active.id}
         self.adapter.tenant_map = {"G&A": self.ga_tenant.id}