https://6fb426454f620e63dac1-e34837711565d567895ea9e61ddd4881.ssl.cf2.rackcdn.com/791988/3/check/tripleo-ci-centos-7-containers-multinode/f85609a/logs/undercloud/home/zuul/overcloud_prep_containers.log
2021-06-02 19:19:31 | + container-check -u -c /home/zuul/containers_update.yaml -p 8 -k ansible-tripleo-ipsec instack instack-undercloud openstack-tripleo-common openstack-tripleo-common-container-base openstack-tripleo-common-containers openstack-tripleo-common-devtools openstack-tripleo-heat-templates openstack-tripleo-heat-templates-compat openstack-tripleo-image-elements openstack-tripleo-puppet-elements openstack-tripleo-ui openstack-tripleo-validations openstack-tripleo-validations-doc openstack-tripleo-validations-tests os-apply-config os-collect-config os-net-config os-refresh-config puppet-aodh puppet-apache puppet-archive puppet-auditd puppet-barbican puppet-cassandra puppet-ceilometer puppet-ceph puppet-certmonger puppet-cinder puppet-collectd puppet-concat puppet-congress puppet-contrail puppet-corosync puppet-datacat puppet-designate puppet-dns puppet-ec2api puppet-elasticsearch puppet-etcd puppet-fdio puppet-firewall puppet-fluentd puppet-git puppet-glance puppet-gnocchi puppet-haproxy puppet-heat puppet-horizon puppet-inifile puppet-ipaclient puppet-ironic puppet-java puppet-kafka puppet-keepalived puppet-keystone puppet-kibana3 puppet-kmod puppet-lib-file_concat puppet-magnum puppet-manila puppet-memcached puppet-midonet puppet-mistral puppet-module-data puppet-mongodb puppet-murano puppet-mysql puppet-n1k-vsm puppet-neutron puppet-nova puppet-nssdb puppet-ntp puppet-octavia puppet-opendaylight puppet-openstack_extras puppet-openstacklib puppet-oslo puppet-ovn puppet-pacemaker puppet-panko puppet-powerdns puppet-qdr puppet-rabbitmq puppet-redis puppet-remote puppet-rsync puppet-sahara puppet-sensu puppet-snmp puppet-ssh puppet-staging puppet-stdlib puppet-swift puppet-sysctl puppet-systemd puppet-tacker puppet-tempest puppet-timezone puppet-tomcat puppet-tripleo puppet-trove puppet-uchiwa puppet-vcsrepo puppet-veritas_hyperscale puppet-vitrage puppet-vlan puppet-vswitch puppet-xinetd puppet-zaqar puppet-zookeeper python2-tripleo-common-tests-tempest python2-tripleo-repos python-paunch python-paunch-doc python-paunch-tests python-tripleoclient python-tripleoclient-heat-installer
2021-06-02 19:19:31 | Traceback (most recent call last):
2021-06-02 19:19:31 | File "/usr/local/bin/container-check", line 19, in <module>
2021-06-02 19:19:31 | import yum
2021-06-02 19:19:31 | ModuleNotFoundError: No module named 'yum'
https://github.com/imain/container-check/blob/master/container-check#L19
We'll need to update the script to use python3-dnf vs. yum