fix model domains to valid names

Change-Id: Ia89d35ffb204401ac05c11ac877a9a3b69e56745
diff --git a/classes/cluster/os_aio_ovs/infra/init.yml b/classes/cluster/os_aio_ovs/infra/init.yml
index fee7829..03846c3 100644
--- a/classes/cluster/os_aio_ovs/infra/init.yml
+++ b/classes/cluster/os_aio_ovs/infra/init.yml
@@ -1,6 +1,6 @@
 parameters:
   _param:
-    cluster_domain: os_aio_ovs.local
+    cluster_domain: os-aio-ovs.local
     cluster_name: os_aio_ovs
     infra_config_deploy_address: 192.168.10.90
     infra_config_address: 172.16.10.90