as tracked in [1] and using the rhel8/rdotrunk delorean repos at [2] there are dependency issues for openstack overcloud image build - command and trace like:
openstack overcloud image build --config-file /usr/share/tripleo-common/image-yaml/overcloud-images-python3.yaml --config-file /usr/share/tripleo-common/image-yaml/overcloud-images-rhel8.yaml
...
2019-06-24 08:39:08.594 | Running install-packages install.
2019-06-24 08:39:08.594 | + yum -v -y install python3-psutil python3-debtcollector plotnetcfg sos device-mapper-multipath openstack-heat-agents os-net-config jq python3-dbus
2019-06-24 08:39:09.122 | Loaded plugins: builddep, changelog, config-manager, copr, debug, debuginfo-install, download, generate_completion_cache, needs-restarting, playground, repoclosure, repodiff, repograph, repomanage, reposync, uploadprofile
2019-06-24 08:39:09.122 | DNF version: 4.0.9
...
2019-06-24 08:39:09.723 | No match for argument: plotnetcfg
2019-06-24 08:39:09.723 | Package device-mapper-multipath-0.7.8-7.el8.x86_64 is already installed.
2019-06-24 08:39:09.725 | Package python3-dbus-1.2.4-14.el8.x86_64 is already installed.
2019-06-24 08:39:09.738 | Error: Unable to find a match
...
raise subprocess.CalledProcessError(process.returncode, cmd)
subprocess.CalledProcessError: Command '['disk-image-create', '-a', 'amd64', '-o', './overcloud-full', '-t', 'qcow2', '-p', 'python3-psutil,python3-debtcollector,plotnetcfg,sos,device-mapper-multipath,openstack-heat-agents,os-net-config,jq,python3-dbus', '--min-tmpfs=7', '--mkfs-options', '-s size=4096', 'rhel', 'baremetal', 'dhcp-all-interfaces', 'openvswitch', 'overcloud-agent', 'overcloud-base', 'overcloud-controller', 'overcloud-compute', 'overcloud-ceph-storage', 'puppet-modules', 'stable-interface-names', 'grub2', 'element-manifest', 'dynamic-login', 'iptables', 'enable-packages-install', 'override-pip-and-virtualenv', 'dracut-regenerate', 'remove-machine-id', 'remove-resolvconf', 'openssh', 'disable-nouveau', 'selinux-permissive']' returned non-zero exit status 1.
Command '['disk-image-create', '-a', 'amd64', '-o', './overcloud-full', '-t', 'qcow2', '-p', 'python3-psutil,python3-debtcollector,plotnetcfg,sos,device-mapper-multipath,openstack-heat-agents,os-net-config,jq,python3-dbus', '--min-tmpfs=7', '--mkfs-options', '-s size=4096', 'rhel', 'baremetal', 'dhcp-all-interfaces', 'openvswitch', 'overcloud-agent', 'overcloud-base', 'overcloud-controller', 'overcloud-compute', 'overcloud-ceph-storage', 'puppet-modules', 'stable-interface-names', 'grub2', 'element-manifest', 'dynamic-login', 'iptables', 'enable-packages-install', 'override-pip-and-virtualenv', 'dracut-regenerate', 'remove-machine-id', 'remove-resolvconf', 'openssh', 'disable-nouveau', 'selinux-permissive']' returned non-zero exit status 1.
/usr/lib/python3.6/site-packages/cliff/app.py:415: ResourceWarning: unclosed file <_io.BufferedReader name=4>
raise
[1] https://tree.taiga.io/project/tripleo-ci-board/task/1114
[2] https://trunk.rdoproject.org/rhel8-master/
17:08 < weshay> marios needs promotion blocker