Upgrades Development

This section is intended to give a better understanding of the upgrade/update process in TripleO. As well as a walkthrough for developers on the way upgrade workflow enables OpenStack services upgrade.

• Overcloud Major Upgrade Workflow and CLI
  • openstack overcloud upgrade prepare $ARGS
  • openstack overcloud upgrade run $ARGS
  • openstack overcloud external-upgrade run $ARGS
  • openstack overcloud upgrade converge $ARGS
  • Upgrade CLI developer workflow
• Minor version update
  • How update commands work
  • Writing update logic for a service
• TripleO Fast Forward Upgrade (FFU) N -> N+3
  • FFU and tripleo-heat-templates
• Major upgrades & Minor updates CI coverage
  • Upgrades/Updates CI jobs
  • Upgrade/Update CI jobs, where to look
  • Debugging Upgrade/Update CI jobs
  • Replicating CI jobs