On Apr 4, 2012, at 1:34 PM, Makewise - Vitor Rui Mendonça wrote:
> One possible solution is to modify trapd/eventd in order to set the timestamp
> of the received trap/event, in order to create events with past timestamp.
> Before testing this, we want to ask you the following:
> is this the best approach?
> Is there any semantic-rule in the code that could prevent to do this, like:
> if (eventA.eventId < eventB.eventId) then it's supposed (eventA.eventtime <
> eventB.eventTime)
Even if you were able to create the event into the past, the poller is going to
detect the outage at the time it polls. The only way to work around this is to
write an automation:
Trigger:
SELECT o.svclosteventid as "_outageid", e.eventtime as "_actualoutagetimestamp"
FROM outages o
JOIN events e
ON e.eventid = o.svclosteventid
WHERE o.iflostservice - e.eventtime > interval '10 seconds'
Action:
UPDATE outages o
SET o.iflostservice = e.eventtime
WHERE o.outageid = ${_outageid}
That's probably not perfect and is dependent on the ability to set the event
time to the actual time the Trap was sent. I should think that this is
possible with the ET. However, I positive that you can't set the
eventcreatetime field for the EventBuilder will fix it to the time the Event is
created regardless of you setting the field (well, I 90% positive ;)
David Hustace
The OpenNMS Group, Inc.
+1 919 533 0160 x7734
david_opennms (skype to my direct line)
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