[Openstack] Clarifications about what agents do in Ceilometer

Julien Danjou julien at danjou.info
Mon Dec 2 09:26:18 UTC 2013


On Mon, Dec 02 2013, Romain Ziba wrote:

Hi Romain,

> In Ceilometer:
>
>    1. The compute agent is a polling agent.
>    2. The Central Agent is a polling agent.
>    3. The notification agent (coded in
>    ceilometer/ceilometer/notification.py) listens on the notification bus and
>    transforms events into samples by calling the method process_notification
>    of the notifications_plugins it loaded.
>    4. The Collector agent stores the different samples provided either by
>    polling, push or notification agents into the database.
>
> For each statement, could you please tell me if I'm right. If not, could
> you please explain further?

You got everything right.

-- 
Julien Danjou
;; Free Software hacker ; independent consultant
;; http://julien.danjou.info
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