periodic-tripleo-ci-centos-8-standalone-upgrade-ussuri is failing with error "stderr": "/bin/sh: docker: command not found"
Log Url:-
https://logserver.rdoproject.org/openstack-periodic-integration-stable2/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-standalone-upgrade-ussuri/eddc6a6/logs/undercloud/home/zuul/standalone_deploy.log.txt.gz
~~~
TASK [tripleo-container-tag : Pull trunk.registry.rdoproject.org/tripleotraincentos8/centos-binary-cinder-volume:ce8cbfdd6ebaaf374c54870cbd849fb3 image] ***
Thursday 22 October 2020 05:30:53 +0000 (0:00:00.093) 0:02:17.865 ******
fatal: [standalone]: FAILED! => {"changed": true, "cmd": "docker pull trunk.registry.rdoproject.org/tripleotraincentos8/centos-binary-cinder-volume:ce8cbfdd6ebaaf374c54870cbd849fb3", "delta": "0:00:00.002175", "end": "2020-10-22 05:30:54.128396", "msg": "non-zero return code", "rc": 127, "start": "2020-10-22 05:30:54.126221", "stderr": "/bin/sh: docker: command not found", "stderr_lines": ["/bin/sh: docker: command not found"], "stdout": "", "stdout_lines": []}
~~~
Another Example:-
https://logserver.rdoproject.org/openstack-periodic-integration-stable1/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-standalone-upgrade-ussuri/24342fb/logs/undercloud/home/zuul/standalone_deploy.log.txt.gz
The issue is that the train deploy is failing because it thinks docker (but for centos8 we need podman). We're missing the -e THT/environment /podman. yaml specifically for the train centos8 deployment. The HA in train on centos7 is docker only, but when it's a centos8 job we need to include podman to allow it to continue