Merge "Add the missing condition for config.yml"

ansible/roles/elasticsearch/tasks/config.yml

ansible/roles/glance/tasks/config.yml

ansible/roles/gnocchi/tasks/config.yml

ansible/roles/heat/tasks/config.yml

ansible/roles/horizon/tasks/config.yml

ansible/roles/keystone/tasks/config.yml

ansible/roles/magnum/tasks/config.yml

ansible/roles/rally/tasks/config.yml

ansible/roles/sahara/tasks/config.yml

ansible/roles/searchlight/tasks/config.yml

ansible/roles/senlin/tasks/config.yml

ansible/roles/watcher/tasks/config.yml