image_sanity fails for centos9 overcloud-full image build

[Marios Andreou]

As part of the overcloud-full image build we have a sanity check (invoked with 'image_sanity: true' in the zuul job variables) that performs a simple check on the built image [1][2] (default is to list installed rpms).

This is not working on centos9 images as can be seen at [3][4][5] - the image fails to boot and times out with trace like:

        2021-11-09 12:51:58.033688 | primary | iPXE (http://ipxe.org) 00:05.0 C000 PCI2.10 PnP PMM+7FF8D6E0+7FECD6E0 C000
 2021-11-09 12:51:58.053148 | primary | Press Ctrl-B to configure iPXE (PCI 00:05.0)...
 2021-11-09 12:51:58.053223 | primary |
 2021-11-09 12:51:58.053241 | primary |
 2021-11-09 13:42:12.985184 | RUN END RESULT_TIMED_OUT: [untrusted : opendev.org/openstack/tripleo-ci/playbooks/tripleo-buildimages/run-v3.yaml@master]

For now we will have to disable the image_sanity for centos9 overcloud-full image while we investigate.

Note: for master (and soon wallaby) the default overcloud image is no longer overcloud-full but instead the overcloud-hardened-uefi image, which does not have the image_sanity check enabled.

[1] https://opendev.org/openstack/tripleo-ci/src/commit/e6a036545aa0d3dd543562703b0f87f3267dacd2/roles/oooci-build-images/tasks/image_sanity.yaml#L24
[2] https://opendev.org/openstack/tripleo-ci/src/commit/e6a036545aa0d3dd543562703b0f87f3267dacd2/roles/oooci-build-images/defaults/main.yaml#L53
[3] https://af0eb05e30f4936061b6-4a299ff78fba409899c97719d91e9af9.ssl.cf2.rackcdn.com/815108/3/check/tripleo-buildimage-overcloud-full-centos-9/e7204c8/job-output.txt
[4] https://logserver.rdoproject.org/openstack-periodic-integration-main-cs9/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-centos-9-buildimage-overcloud-full-master/74cc454/job-output.txt
[5] https://logserver.rdoproject.org/openstack-periodic-integration-main-cs9/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-centos-9-buildimage-overcloud-full-master/1205cff/job-output.txt

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/tripleo-ci/+/815108
Committed: https://opendev.org/openstack/tripleo-ci/commit/9942c04a5f646066e74787c5a649f18dc0f19f1f
Submitter: "Zuul (22348)"
Branch: master

commit 9942c04a5f646066e74787c5a649f18dc0f19f1f
Author: Marios Andreou <email address hidden>
Date: Fri Oct 22 13:44:13 2021 +0300

    Wire up centos9 master buildimage jobs for check and gate

    The job definitions are added at [1] and the new
    single-centos-9-node nodeset is added in the parent at [2]

    Also fixes issue with the 'release' var which is not present
    in the check/gate version of these jobs so we try to discover
    it using the relevant build-containers tasks.

    This also disables the image_sanity check for overcloud-full
    because of related-bug.

    Finally adds wallaby to the branches negative match for c9
    build jobs as we aren't ready for W yet.

    Related-Bug: 1950453

    [1] https://review.opendev.org/c/openstack/tripleo-ci/+/813618
    [2] https://review.opendev.org/c/openstack/tripleo-ci/+/816821

    Change-Id: I5c78c975afa3efb2c478339cacd006e064b24e71