When no overcloud is deployed, we forced to pass the overcloud hardcoded value to the inventory. We should, if no --plan or --stack passed, check if there is plans or stacks on the environment. If so, used it, if not then just generate undercloud inventory Depends-On: https://review.opendev.org/c/openstack/tripleo-common/+/765524 Change-Id: Idf4269a2ae5ce9863e1eda2f824e7a9fc93847d2