[openstack-dev] [TripleO] [Heat] os-cloud-config ssh access to cloud

Steve Baker sbaker at redhat.com
Sun Mar 16 21:32:29 UTC 2014

On 17/03/14 10:14, Robert Collins wrote:
> On 17 March 2014 09:20, Steve Baker <sbaker at redhat.com> wrote:
>> It looks like the cert files you want to transfer are all ascii rather than
>> binary, which is good as we have yet to implement a way to attach binary
>> data to a heat stack create call.
>> One way to write out these files would be using cloud-config. The
>> disadvantages of this is that it is boot-time config only, so those keys
>> couldn't be updated with a stack update. You would also be consuming a
>> decent proportion of your 16k user_data limit.
> I'm confused - why can't we include them in the template? We include
> an SSH key in ascii form already with no issue.
You can include them in the template. That template snippet shows how to
specify cloud-config in the template. However I would recommend just
going with the os-apply-config templates (the second option in that
email). I probably shouldn't have mentioned cloud-config as an option at

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