now add_host loads hostvars

lib/ansible/runner/action_plugins/add_host.py

@@ -96,6 +96,10 @@ class ActionModule(object):
                 vv("added host to group via add_host module: %s" % group_name)
             result['new_groups'] = groupnames.split(",")
 
+
+        # actually load host vars
+        new_host.vars = inventory.get_host_variables(new_name, update_cached=True, vault_password=inventory._vault_password)
+
         result['new_host'] = new_name
 
         # clear pattern caching completely since it's unpredictable what