Rocky undercloud upgrade broken by backport

[Jiří Stránský]

** Running ansible online upgrade tasks **
Exception: 'Deploy' object has no attribute 'ansible_playbook_cmd'
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/tripleoclient/v1/tripleo_deploy.py", line 1121, in _standalone_deploy
    rc = self._launch_ansible_online_upgrade(self.ansible_dir)
  File "/usr/lib/python2.7/site-packages/tripleoclient/v1/tripleo_deploy.py", line 763, in _launch_ansible_online_upgrade
    cmd = [self.ansible_playbook_cmd, '-i', playbook_inventory,
AttributeError: 'Deploy' object has no attribute 'ansible_playbook_cmd'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/rocky
Review: https://review.openstack.org/620897

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/620897
Committed: https://git.openstack.org/cgit/openstack/python-tripleoclient/commit/?id=a0305b45acd60fb46c8ee278c44f98dcf3d86a49
Submitter: Zuul
Branch: stable/rocky

commit a0305b45acd60fb46c8ee278c44f98dcf3d86a49
Author: Jiri Stransky <email address hidden>
Date: Thu Nov 29 13:19:13 2018 +0100

    [Rocky] Fix backport of undercloud online upgrade

    In Rocky, self.ansible_playbook_cmd is not defined so we hardcode
    'ansible-playbook', same as in the _launch_ansible_upgrade function.

    Closes-Bug: #1805830
    Change-Id: I85947ed64558f83d6ba2c59d67a2fde6f778ad8b

[Natal Ngétal (hobbestigrou)]

It's merged so the ticket can be closed.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-tripleoclient 10.6.1 release.