[Openstack] Versioning for notification messages

Day, Phil philip.day at hp.com
Wed Oct 10 07:12:20 UTC 2012


Thanks Doug,  I'll make sure I get to that session then.

Phil

From: openstack-bounces+philip.day=hp.com at lists.launchpad.net [mailto:openstack-bounces+philip.day=hp.com at lists.launchpad.net] On Behalf Of Doug Hellmann
Sent: 09 October 2012 23:03
To: Eric Windisch
Cc: openstack at lists.launchpad.net
Subject: Re: [Openstack] Versioning for notification messages


On Tue, Oct 9, 2012 at 4:12 PM, Eric Windisch <eric at cloudscaling.com<mailto:eric at cloudscaling.com>> wrote:



On Tuesday, October 9, 2012 at 15:58 PM, David Ripton wrote:

> On 10/09/2012 01:07 PM, Day, Phil wrote:
>
> > What do people think about adding a version number to the notification
> > systems, so that consumers of notification messages are protected to
> > some extent from changes in the message contents ?
>
Right now, there is no appropriate or acceptable way to consume notifications. Plainly, while notifications exist, they shouldn't be considered stable or even usable until this exists.

Message formats and versioning should be a consideration in the effort to create a reusable consumption pattern.

This will be part of what is covered during the "Using the message bus for messages" session Tuesday afternoon at the summit.

http://summit.openstack.org/cfp/details/117

Doug
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