Should Fedora revisit the idea having "one " image to be used across the cloud providers?

Collins, Robert (HPCS) rbtcollins at hp.com
Wed Jun 26 19:23:44 UTC 2013


Hi, I'm the project lead for TripleO (OpenStack on OpenStack - a disk image based approach to deploying and maintaining OpenStack clouds), and we have a tool 'diskimage-builder' which consumes upstream vendor cloud images and customises them. 

It would be a non-trivial nuisance if we had to expose per-cloud flavours to our users, so please consider very carefully if you go down this route: one of the major strengths of Linux is the ability to drop a filesystem image onto some hardware and have it Just Work - it's better for our users if userspace and boot tooling keep that capability, because then they don't need to respin images if they are cloudbursting across multiple providers. (Or other similar use cases).

Cheers,
Rob

Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Cloud Services

________________________________________
From: cloud-bounces at lists.fedoraproject.org [cloud-bounces at lists.fedoraproject.org] on behalf of Kashyap Chamarthy [kchamart at redhat.com]
Sent: Thursday, 27 June 2013 07:04
To: Fedora Cloud SIG
Subject: Should Fedora revisit the idea having "one " image to be used across   the cloud providers?

(Re-directing the discussion from #fedora-cloud on Freenode..)

Heya,

(Without trying to make it a large 'theoretical' discussion..)


So, should we (Fedora) reconsider the "noble goal" (as Matthew Miller put it) of having
one cloud image serve all cloud providers? Or separate images (sure, there's more work
involved) that are specific

 Because, lately we've seen several problems where cloud-init has been breaking things in
subtle ways, like output of boot messages on console.log for OpenStack/Amazon/Eucalyptus
has been broken in different

Garret Holmstrom and Matthew Miller (both who's been in the trenches of these issues can
describe much better than I can at this midnight hour). They also discussed a couple of
ideas on IRC like

 - configuring journald to forward to both syslog and the console


e.g. (please read the issue described above)

  https://bugzilla.redhat.com/show_bug.cgi?id=977952 -- RFE: disable all direct writes to
the console


And, comparing Fedora images with Cirros -- they output a neat array of bunch of commands
 (I think I noted this previously on this list) that's helpful for debugging. Refer this
previous thread

  https://lists.fedoraproject.org/pipermail/cloud/2013-April/002371.html

but haven't reached a proper conclusion.


Any further thoughts from other folks here on how to resolve this would be nice to hear.


--
/kashyap
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