tripleo-queens fails to start undercloud due to ansible_version.full|version_compare('2.3','<')' failed

[wes hayutin]

2020-01-23 03:28:25.571 |
2020-01-23 03:28:25.571 | TASK [setup/undercloud : Start undercloud vm] **********************************
2020-01-23 03:28:25.571 | task path: /home/jenkins/workspace/tripleo-quickstart-promote-queens-rdo_trunk-minimal/tripleo-quickstart/roles/libvirt/setup/undercloud/tasks/main.yml:355
2020-01-23 03:28:25.597 | Thursday 23 January 2020 03:28:25 +0000 (0:00:00.123) 0:13:52.481 ******
2020-01-23 03:28:25.633 | fatal: [172.19.2.120]: FAILED! => {}
2020-01-23 03:28:25.633 |
2020-01-23 03:28:25.633 | MSG:
2020-01-23 03:28:25.633 |
2020-01-23 03:28:25.633 | The conditional check 'ansible_version.full|version_compare('2.3','<')' failed. The error was: template error while templating string: no filter named 'version_compare'. String: {% if ansible_version.full|version_compare('2.3','<') %} True {% else %} False {% endif %}
2020-01-23 03:28:25.634 |
2020-01-23 03:28:25.634 | The error appears to be in '/home/jenkins/workspace/tripleo-quickstart-promote-queens-rdo_trunk-minimal/tripleo-quickstart/roles/libvirt/setup/undercloud/tasks/main.yml': line 355, column 7, but may
2020-01-23 03:28:25.634 | be elsewhere in the file depending on the exact syntax problem.
2020-01-23 03:28:25.634 |
2020-01-23 03:28:25.634 | The offending line appears to be:
2020-01-23 03:28:25.634 |
2020-01-23 03:28:25.634 | # Start the undercloud virtual machine.
2020-01-23 03:28:25.634 | - name: Start undercloud vm
2020-01-23 03:28:25.634 | ^ here
2020-01-23 03:28:25.634 |

https://ci.centos.org/artifacts/rdo/jenkins-tripleo-quickstart-promote-queens-rdo_trunk-minimal-289/console.log

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/704046

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/704046
Committed: https://git.openstack.org/cgit/openstack/tripleo-quickstart/commit/?id=2de166c485ed8633e6e4a2f8883f0185a446fc8f
Submitter: Zuul
Branch: master

commit 2de166c485ed8633e6e4a2f8883f0185a446fc8f
Author: Wes Hayutin <email address hidden>
Date: Thu Jan 23 10:37:14 2020 -0700

    remove code block for ansible < 2.3

    Old code, no need to support versions of
    ansible under 2.3

    Closed-Bug: #1860700
    Change-Id: I26f65175b5013e8671a7c8e45389c8a82b668945