Add os-ctl-vip address to ctl nodes

Root cause:
When we doing upgrade from release without FQDN names we got
authorization failed error when source keystonercv3 file.

We add os-ctl-vip address to ctl nodes in ``/etc/hosts`` file.

Change-Id: I57bae5f18b8e0c8f9273701b43c789e3da56196c
Related-Prod: PROD-31397
diff --git a/keystone/server/cluster.yml b/keystone/server/cluster.yml
index 824c6b5..abb8188 100644
--- a/keystone/server/cluster.yml
+++ b/keystone/server/cluster.yml
@@ -5,6 +5,8 @@
 - system.haproxy.proxy.listen.openstack.keystone
 - system.haproxy.proxy.listen.openstack.keystone.standalone
 - system.linux.system.users.keystone
+# Add os-ctl-vip address to ctl nodes PROD-31397
+- system.linux.network.hosts.openstack
 - system.keystone.server.fernet_rotation.cluster
 - system.salt.minion.cert.mysql.clients.openstack.keystone
 - system.salt.minion.cert.rabbitmq.clients.openstack.keystone