[openstack-dev] [telemetry][aodh][vitrage] The purpose of notification about alarm updating

liu sheng liusheng1175 at 126.com
Mon Jan 11 07:22:35 UTC 2016

Hi Ifat,

I am OK to abandon the change and keep notifications about alarm changes if you really need.  the problem is if we enabled the notifications and if there are many alarms periodically evaluated and updated by aodh-evaluator, there will emit many these notification messages and will be stored as events in ceilometer, that may will disperse the events we really want.  how about sending these notifications message on a different topic? that can avoid consuming by ceilometer-notification-agent.

Liu sheng

At 2016-01-10 14:30:34, "AFEK, Ifat (Ifat)" <ifat.afek at alcatel-lucent.com> wrote:
>Hi Julien,
>I'm a bit confused. This thread started by liusheng asking to remove the notifications to the bus[1], and I replied saying that we do want to use this capability in Vitrage. What is the notifier plugin that you suggested? Is it the same notifier that liusheng referred to, or something else?
>[1] https://review.openstack.org/#/c/246727/ 
>> -----Original Message-----
>> From: Julien Danjou [mailto:julien at danjou.info]
>> Sent: Friday, January 08, 2016 11:42 AM
>> On Thu, Jan 07 2016, AFEK, Ifat (Ifat) wrote:
>> > We have two motivations: one is that we want to get notifications on
>> > every change, but we don't want to register our webhook to each and
>> > every alarm; and the other is that we already listen to the message
>> > bus for other openstack components, so we would like to handle aodh
>> the same way.
>> >
>> > If we disable aodh-notifier, won't it have other impacts on the
>> > system? What if someone else used a webhook, and won't be notified
>> > because we disabled the notifier?
>> We could have a notifier plugin that would send a notification using
>> oslo.messaging I guess. That shouldn't be a big deal.
>> --
>> Julien Danjou
>> ;; Free Software hacker
>> ;; https://julien.danjou.info
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