periodic standalone upgrade job on stein fails to download images

[Gabriele Cerami]

logs at https://logs.rdoproject.org/openstack-periodic-latest-released/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-7-standalone-upgrade-stein/6336274/logs/undercloud/home/zuul/standalone_upgrade.log.txt.gz#_2019-05-22_10_55_41

show that the upgrade is failing to dowload the images.

2019-05-22 10:55:41 | 2019-05-22 10:55:41.701 111492 ERROR tripleoclient.v1.tripleo_upgrade.Upgrade [-] Exception: Not found image: docker://trunk.registry.rdoproject.org/tripleostein/centos-binary-cinder-api:tripleo-ci-testing: ImageNotFoundException: Not found image: docker://trunk.registry.rdoproject.org/tripleostein/centos-binary-cinder-api:tripleo-ci-testing
2019-05-22 10:55:41 | Traceback (most recent call last):

Now that the host is correct, we need to pass the correct tag, as triple-ci-testing is not pushed in rdo registry.

We have two solutions:

1) push the name tag together with the hash tag. Marios has a review here:

https://review.opendev.org/660665

2) use the correct tag as calculated by container-prep role. Gabriele has a review here

https://review.opendev.org/660615 (tested at https://review.rdoproject.org/r/20867)

[Gabriele Cerami (gcerami)]

Fixed in https://review.opendev.org/660615