[openstack-dev] [tripleo] FFE request for container-prepare-workflow

Steve Baker sbaker at redhat.com
Wed Jul 25 21:50:44 UTC 2018

I'd like to request a FFE for this blueprint[1].

Theremaining changes will be tracked as Depends-On on this oooq change[2].

Initially the aim of this blueprint was to do all container prepare 
operations in a mistral action before the overcloud deploy. However the 
priority for delivery switched to helping blueprint 
containerized-undercloud with its container prepare. Once this was 
complete it was apparent that the overcloud prepare could share the 
undercloud prepare approach.

The undercloud prepare does the following:

1) During undercloud_config, do a try-run prepare to populate the image 
parameters (but don't do any image transfers)

2) During tripleo-deploy, driven by tripleo-heat-templates, do the 
actual prepare after the undercloud registry is installed but before and 
containers are required

For the overcloud, 1) will be done by a mistral action[3] and 2) will be 
done during overcloud deploy[4].

The vast majority of code for this blueprint has landed and is exercised 
by containerized-undercloud. I don't expect issues with the overcloud 
changes landing, but in the worst case scenario the overcloud prepare 
can be done manually by running the new command "openstack tripleo 
container image prepare" as documented in this change [5].


[2] https://review.openstack.org/#/c/573476/

[3] https://review.openstack.org/#/c/558972/ (landed but currently being 

[4] https://review.openstack.org/#/c/581919/ (plus the series before it)

[5] https://review.openstack.org/#/c/553104/

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