Monitoring Distributed Resource [Resolved]
Andreas M. Iwanowski
namezero at afim.info
Sat Aug 11 13:23:05 CEST 2012
Thank you!
Your assumption about the layout is correct.
I will try to define a parent/child relationship between core_gw_1, core_gw_2 and each remote gateway connected to it, and then a parent/child relationship between the remote_gw and remote_host.
I've seen the tab for that in centreon, so I'll try to configure this next week.
I appreciate all your great help whith this!
Mit freundlichen Gr??en / With best regards
Andreas Iwanowski - IT Administrator / Software Developer
www.awato.de | namezero at afim.info
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-----Original Message-----
From: Chris Beattie [mailto:cbeattie at geninfo.com]
Sent: Thursday, August 09, 2012 5:01 PM
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Monitoring Distributed Resource
On 8/8/2012 5:57 PM, Andreas M. Iwanowski wrote:
> So as I understand, if I define a parent<->child relationship between
> the VPN services (or core gateways) on the parent side and the remote
> gateway on the other side, the remote gateway will be checked (and we
> notified) as long as one core gateway is online?
This is how I picture your setup:
core_gw_1
Nagios-< >-remote_gw-remote_host
core_gw_2
If you put "parents core_gw_1,core_gw_2" in remote_gw's host
definition and "parents remote_gw" in the remote_host's definition, then
as long as Nagios thinks either core_gw is up, it should continue checking remote_gw and remote_host behind it.
> And since the remote hosts all depend on the remote gateway, they
> should inherit that behavior. Correct?
When you say "depend", do you mean a host dependency as in you've got a "define hostdependency {..." somewhere? That's more advanced than what I'm talking about, and those dependencies are NOT inherited. You'd have to define one for every host.
Defining parent/child relationships is a simple way to describe to Nagios the network's layout, specifically for determining if a host can be reached. If remote_host_1's parent is remote_gw and you copy
remote_host_1 when you add remote_host_2, then remote_host_2 will also have remote_gw as a parent.
> I don't think the check_cluster would work since the host services are
> checked via nrpe running custom php monitoring scripts on the
> machines, but I'll check it out tomorrow at the office anyways.
Check_cluster is a meta-check. It doesn't perform the component service or host checks itself. Instead, it examines the results of the checks that Nagios is already performing. Now that I think about it some more, it's probably overkill for this case.
--
-Chris
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Thank you.
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