Fixes #616 Ensure netbox_virtual_machine is idempotent on 2.11 (#633)

* Adjust vcpu return on pre-3.0 NetBox

Author: rodvand

plugins/module_utils/netbox_utils.py

@@ -1144,7 +1144,7 @@ def _update_netbox_object(self, data):
             serialized_nb_obj["tags"] = set(serialized_nb_obj["tags"])
             updated_obj["tags"] = set(data["tags"])
 
-        # Ensure idempotency for site on version pre-3.0
+        # Ensure idempotency for site and virtual machine on version pre-3.0
         version_pre_30 = self._version_check_greater("3.0", self.version)
         if (
             serialized_nb_obj.get("latitude")
@@ -1159,6 +1159,9 @@ def _update_netbox_object(self, data):
         ):
             updated_obj["longitude"] = str(data["longitude"])
 
+        if serialized_nb_obj.get("vcpus") and data.get("vcpus") and version_pre_30:
+            updated_obj["vcpus"] = "{0:.2f}".format(data["vcpus"])
+
         if serialized_nb_obj == updated_obj:
             return serialized_nb_obj, None
         else: