Update IPtrunk migration IPAM step behaviour

gso/workflows/iptrunk/migrate_iptrunk.py

@@ -542,26 +542,25 @@ def delete_old_config_real(
 
 
 @step("Update IP records in IPAM")
-def update_ipam(subscription: Iptrunk, old_side_data: dict, new_node: Router, new_lag_interface: str) -> State:
+def update_ipam(subscription: Iptrunk, replace_index: int, new_node: Router, new_lag_interface: str) -> State:
     """Update :term:`IPAM` resources.
 
     Move the DNS record pointing to the old side of the trunk, to the new side.
     """
-    old_fqdn = f"{old_side_data['iptrunk_side_ae_iface']}.{old_side_data['iptrunk_side_node']['router_fqdn']}"
-    trunk_v4 = infoblox.find_host_by_fqdn(old_fqdn)
-    trunk_v6 = infoblox.find_v6_host_by_fqdn(old_fqdn)
+    v4_addr = subscription.iptrunk.iptrunk_ipv4_network[replace_index]
+    v6_addr = subscription.iptrunk.iptrunk_ipv6_network[replace_index]
 
     #  Out with the old
     try:
-        infoblox.delete_host_by_fqdn(old_fqdn)
+        infoblox.delete_host_by_ip(subscription.iptrunk.iptrunk_ipv4_network[replace_index])
     except DeletionError as e:
         msg = "Failed to delete record from Infoblox."
         raise ProcessFailureError(msg) from e
 
     #  And in with the new
-    new_fqdn = f"{new_lag_interface}.{new_node.router.router_fqdn}"
+    new_fqdn = f"{new_lag_interface}-0.{new_node.router.router_fqdn}"
     comment = str(subscription.subscription_id)
-    infoblox.create_host_by_ip(new_fqdn, trunk_v4.ipv4addr, trunk_v6.ipv6addr, service_type="TRUNK", comment=comment)
+    infoblox.create_host_by_ip(new_fqdn, v4_addr, v6_addr, "TRUNK", comment)
 
     return {"subscription": subscription}