hi Ifat,
i added some questions below.
On 23/11/2015 7:16 AM, AFEK, Ifat (Ifat) wrote:
Hi,
We have a couple of questions regarding AODH alarms.
In Vitrage[1] project we have two use cases that involve Ceilometer:
1. Import Ceilometer alarms, as well as alarms and resources from other sources
(Nagios, Zabbix, Nova, Heat, etc.), and produce RCA insights about the
connection between different alarms.
to clarify, Ceilometer alarms is deprecated for Aodh and will be removed
very, very soon.
2. Raise "deduced alarms". For example, in case we detect a high memory consumption on a
host, we would like to raise deduced alarms saying "instance might be suffering due to high
memory consumption on the host" on all related instances. Then, we can further deduce that
applications running on these instances might also be affected, and raise alarms on them as well.
Initially we planned to raise these deduced alarms in AODH, so other Openstack
components may consume them as well. Then, when we looked at AODH alarms
documentation, we noticed that there is currently no way of raising custom
alarms. We saw only three types of alarms: threshold alarms, combination alarms
and event alarms.
So, our questions are:
* Is there an alternative way of raising alarms in AODH?
what do we mean by raising alarms? do you want to create a new alarm
definition for Aodh or do you want to trigger an action? do you want to
have a new non-REST action?
* Do you think custom alarms belong in AODH? Are you interested in adding this
capability to AODH?
We would be happy to hear your vision and thoughts about it.
Thanks,
Ifat and Alexey.
[1] https://wiki.openstack.org/wiki/Vitrage
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