I'm finding this discussion a bit ironic; in my environment, we're strongly
considering pulling all of the naming out of gmond & gmetad, and only doing the
hostname lookups in the PHP front-end. That way there's no need to deal with
DNS or host naming issues in most of the cluster(s) we monitor at all. I
suppose there's some risk in situations where the same virtual IP is bound on
many machines, but mcast_if should take care of that. My thought is that the
fewer underlying services a monitoring system needs to work, the more likely it
is to work.
-- ReC
On 2/5/09 10:36 PM, "Spike Spiegel" <fsm...@gmail.com> wrote:
Hi,
thanks for the clarification,
On Thu, Feb 5, 2009 at 11:44 PM, Brad Nicholes <bnicho...@novell.com> wrote:
> Anything else the spoofing module needs to do beyond this
> it completely up to the module developer. Any or all of what you
> described below should just be module implementation details.
Ok, so given that's the way forward as far as coding something goes,
how does upstream folks feel about a patch to all the C modules to use
spoofing based on a config parameter? Because that's what I need in
order to solve my PTR problems and I wouldn't want to have to redo all
of them in python, but on the other side if a patch wouldn't be
accepted I might consider it. On a side note, has anybody done an
estimation of the performance hit between a python and C module?
In practice I'm thinking of a new global parameter in gmond.conf
called "use_local_hostname = yes/no" which would then trigger a call
to gethostname() etc... and then add the SPOOF extra data. You could
also allow arbitrary strings but urm, might end up being too confusing
and I'm not sure I see the use of it.
--
"Behind every great man there's a great backpack" - B.
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