[openstack-dev] [nova][service group]improve host state detection

Sylvain Bauza sylvain.bauza at gmail.com
Mon Apr 28 14:41:56 UTC 2014


2014-04-28 16:33 GMT+02:00 John Garbutt <john at johngarbutt.com>:

>
> I don't think Nova should try to include functionality that
> re-implements other good monitoring tools (Nagios, etc)
>
> Having said that, having a new service group API that uses information
> from external tools to decide if a host is dead or not, and describes
> why, is maybe worth considering.
>
>

Agree with John, a new backend could potentially help out this use-case.
That said, there is yet a ZooKeeper driver [1] for servicegroups that could
help.

My 2 cts,
-Sylvain

[1] :
https://github.com/openstack/nova/blob/master/nova/servicegroup/drivers/zk.py



> John
>
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