[openstack-dev] [ironic] ansible deploy, playbooks and containers?

Mark Goddard mark at stackhpc.com
Wed Jan 31 13:31:32 UTC 2018

I like the swift/HTTP proposal.

In kayobe we've considered how to customise the deployment process, with
hook points [1] looking like the right approach.

Another possibility when deploy steps [2] land could be to break up the
ansible deployment into multiple steps, and allow each step to be

[1] https://github.com/stackhpc/kayobe/issues/52
[2] https://review.openstack.org/#/c/412523/

On 31 January 2018 at 13:16, Dmitry Tantsur <dtantsur at redhat.com> wrote:

> Hi all,
> I'd like to discuss one idea that came to me while trying to use the
> ansible deploy in TripleO.
> The ansible deploy interface is all about customization. Meaning, we
> expect people to modify the playbooks. I have two concerns with it:
> 1. Nearly any additions requires a full copy of the playbooks. Which will
> make the operators miss any future updates to the shipped version (e.g.
> from packages).
> 2. We require operators to modify playbooks on the hard drive in a
> location, available to ironic-conductor. This is inconvenient when there
> are many conductors and quite hairy with containers.
> So, what came to my mind is:
> 1. Let us maybe define some hook points in our playbooks and allow
> operators to overwrite only them? I'm not sure how it's going to look, so
> suggestions are welcome.
> 2. Let us maybe allow a swift or http(s) URL for the playbooks_path
> configuration? That will be a link to a tarball that will be unpacked by
> ironic to a temporary location before executing.
> What do you think?
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