[openstack-dev] [oslo-notify] notifications consumed by multiple subscribers

Doug Hellmann doug.hellmann at dreamhost.com
Tue Feb 11 19:11:21 UTC 2014


On Tue, Feb 11, 2014 at 1:28 PM, Sanchez, Cristian A <
cristian.a.sanchez at intel.com> wrote:

> Hi,
> I'm planning to use oslo.notify mechanisms to implement a climate
> blueprint: https://blueprints.launchpad.net/climate/+spec/notifications.
> Ideally, the notifications sent by climate should be received by multiple
> services subscribed to the same topic. Is that possible with oslo.notify?
> And moreover, is there any mechanism for removing items from the queue? Or
> should one subscriber be responsible for removing items from it?
>

Each service should subscribe to the same exchange and topic using a
different queue name to receive all of the messages.

The code to set up the listeners is still under review for oslo.messaging.
See the patch series starting with https://review.openstack.org/#/c/57275/16

Doug



>
> Thanks
>
> Cristian
>
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