Open Stack

On 07/30/2014 12:12 AM, Duan, Li-Gong (Gary at HPServers-Core-OE-PSC) wrote:
> Hi Jay,
>
> Thanks for your comment. You suggestion is good but I am wondering why
> we cannot use or leverage Ceilometer to monitor infrastructure-related,
> as it can used to monitor tenant-related things.

You *could* use Ceilometer for this, sure. But I just don't recommend 
it. For performance reasons.

Best,
-jay

> On 07/29/2014 02:05 AM, Duan, Li-Gong (Gary at HPServers-Core-OE-PSC  <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev>) wrote:
>
>> Hi Folks,
>
>>
>
>> Are there any guide or examples to show how to produce a new event or
>
>> notification add add a handler for this event in ceilometer?
>
>>
>
>> I am asked to implement OpenStack service monitoring which will send an
>
>> event and trigger the handler once a service, say nova-compute, crashes,
>
>> in a short time. L
>
>>
>
>> The link (http://docs.openstack.org/developer/ceilometer/events.html)
>
>> does a good job on the explanation of concept and hence I know that I
>
>> need to emit notification to message queue and ceilometer-collector will
>
>> process them and generate events but it is far from real implementations.
>
>
>
> I would not use Ceilometer for this, as it is more tenant-facing than
>
> infrastructure service facing. Instead, I would use a tried-and-true
>
> solution like Nagios and NRPE checks. Here's an example of such a check
>
> for a keystone endpoint:
>
>
>
> https://github.com/ghantoos/debian-nagios-plugins-openstack/blob/master/plugins/check_keystone
>
>
>
> Best,
>
> -jay
>
> *From:* Duan, Li-Gong (Gary at HPServers-Core-OE-PSC)
> *Sent:* Tuesday, July 29, 2014 5:05 PM
> *To:* openstack-dev at lists.openstack.org
> *Subject:* [Ceilometer] Generate Event or Notification in Ceilometer
>
> Hi Folks,
>
> Are there any guide or examples to show how to produce a new event or
> notification add add a handler for this event in ceilometer?
>
> I am asked to implement OpenStack service monitoring which will send an
> event and trigger the handler once a service, say nova-compute, crashes,
> in a short time. L
>
> The link (http://docs.openstack.org/developer/ceilometer/events.html)
> does a good job on the explanation of concept and hence I know that I
> need to emit notification to message queue and ceilometer-collector will
> process them and generate events but it is far from real implementations.
>
> Regards,
>
> Gary
>
r