CentOS8 Preparation: * Python-SecretStorage is updated again to 3.3.1 with required python-jeepney update https://review.rdoproject.org/r/#/c/25811/. * Python-cssselect and python-pygraphviz moved to CentOS8 ussuri testing repo as they are pulled as wek dependencies for python3-tripleoclient * CentOS8 TripleO jobs are added to gate buildsys updates to ussuri-testing. * Dependencies repo migration to CBS builds in CentOS 8 builders is finished * Dependencies for Train have been tagged to -testing and automatic deps sync based on rdoinfo buildsys-tags is enabled for CentOS8 master and train. * CentOS8 CBS builds for RDO Train release is finished. The only remaining piece to release CloudSIG repo for Train on CentOS 8 is rabbitmq server which will be delivered as part of Messaging SIG. * Good progress in adding CentOS8 jobs by TripleO CI team: * https://hackmd.io/HrQd03c9SxOMtFPFrq50tg?view * Advanced Virtualization has been built by Virt SIG in CBS and it’s expected that we will be able to start using them soon.