using tripleo_role_name in queens breaks update

[Janki Chhatbar]

A recent patch [1] introduces "tripleo_role_name" in queens. Queens is still using role_name. This needs to be changed as it will break updates.

[1]. https://review.openstack.org/#/c/575680/

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/queens
Review: https://review.openstack.org/578044

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/578044
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=d057301f63d3da8d54760d64b49ecac8066d42e3
Submitter: Zuul
Branch: stable/queens

commit d057301f63d3da8d54760d64b49ecac8066d42e3
Author: Janki Chhatbar <email address hidden>
Date: Tue Jun 26 14:47:57 2018 +0530

    Use role_name instead of tripleo_role_name

    Queens is still using Ansible role_name and not
    tripleo_role_name.

    Change-Id: Ibd1a900331f68655af7a191ed8ea94e74af64371
    Closes-Bug: 1778668

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 8.0.4 release.