revive working with subset of services

Change-Id: I645c5df457a2ac2c997ac32720d53cacc0fa109b
diff --git a/openrc b/openrc
index 4b36112..7c1e129 100644
--- a/openrc
+++ b/openrc
@@ -18,7 +18,8 @@
 export NOVA_USERNAME=${USERNAME:-demo}
 
 # With Keystone you pass the keystone password instead of an api key.
-export NOVA_API_KEY=${ADMIN_PASSWORD:-secrete}
+# The most recent versions of novaclient use NOVA_PASSWORD instead of NOVA_API_KEY
+export NOVA_PASSWORD=${ADMIN_PASSWORD:-secrete}
 
 # With the addition of Keystone, to use an openstack cloud you should
 # authenticate against keystone, which returns a **Token** and **Service