[Openstack] Notification Usage in OpenStack ... a report card

Sandy Walsh sandy.walsh at rackspace.com
Thu Sep 19 11:43:59 UTC 2013

On 09/19/2013 12:14 AM, Joshua Harlow wrote:
> Thanks Sandy for the nice report,
> Just to note that although taskflow is 'red' it also is in a slightly
> different category (in my view). One that is different from the other
> items in that table.
> Taskflow is a designed to be a library and the rest of the items in that
> table are what I would call 'applications/services'.
> Taskflow provides hook-in points to receive information about all
> activities task-flow is doing but imho it is not up to taskflow to dictate
> usage of oslo rpc or oslo notifications. If those can be hooked-in to
> taskflows 'emission points' than all the better I think, since that kind
> of decoupling creates a better and more useful library for all to use. As
> more and more projects start to use/integrate taskflow they automatically
> gain those emission points (and can use them to drive oslo rpc or oslo
> notifications, or both). That¹s my current thinking anyway.
> Some details at the following:
> * https://wiki.openstack.org/wiki/TaskFlow/States_of_Task_and_Flow
> * https://wiki.openstack.org/wiki/TaskFlow#Engines
> As usual main page @ https://wiki.openstack.org/wiki/TaskFlow

Thanks Josh ... totally makes sense. I've updated the report to reflect

It would be nice to have the notification driver available out of the
box (perhaps as a plugin).


> -Josh
> On 9/16/13 11:20 AM, "Sandy Walsh" <sandy.walsh at RACKSPACE.COM> wrote:
>> Hey y'all!
>> I took a little time to review most of the OpenStack projects and check
>> on their notification support. Happy to say, adoption is good. There are
>> things we could do better, but overall very positive.
>> The article also talks a little about what makes for good notification
>> support. Something for you all to think about at the Icehouse summit :)
>> I'm sure I've made some mistakes along the way, so please let me know and
>> I'll fix accordingly.
>> http://www.sandywalsh.com/2013/09/notification-usage-in-openstack-report.h
>> tml
>> Look forward to your feedback!
>> -Sandy
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