Hi,
I've opened PR "Orchestration of OpenStack deployment POC" at 
https://github.com/theforeman/staypuft/pull/18 today containing working 
Proof of concept of OpenStack deployment orchestration.
More information can be found in 
https://github.com/pitr-ch/OFI/blob/orchestration/doc/orchestration.md
Please check the Assumptions section 
(
https://github.com/pitr-ch/OFI/blob/orchestration/doc/orchestration.md#as...) 
that there are no problems there.
I'll appreciate your feedback, please comment in the PR.
Attaching some images showing the progress in current ForemanTasks's 
task-list and dynflow console.
Petr