Distributed Monitoring

[Steve Wilson]

On 30/03/11 14:00, Gerheim wrote:
> Hello folks,
>
> I'm new on Nagios and nagios-users mailing list.
> I was looking for addons for Nagios but i didn't find one wich attends me.
> Let me explain my scenario. If someone could help me, i ll be grateful.
>
> I have one nagios central with centreon. I have another nagios 
> (worker), with centreon, wich i want to configure some hots and 
> hostgroups that i don't want to configure on nagios central. But i 
> want to monitor workers host and hotsgroups with nagios central.
>
> Summarizing, when i manipulate hosts on workers i don't want to put in 
> nagios central.
> I've found NCSA, DNX and Gearman but it don't help.
>
> Could anyone?
> Thanks!
>

At $dayjob I discovered the same problem, however we also had another 
problem in that a lot of the servers we want to monitor are in "walled 
gardens" and only have http(s) access to the internet.
Our solution was to semi-create our own uploader mechanism, we use nsca 
on the receiver side and use a custom submit_check_results that instead 
of piping the results through nsca_send it writes them into a data file 
for the time/service which gets stored for scheduled upload via cron.
This scheduled uploader keeps track of the hosts/localhost.cfg file and 
if it detects change adds that to be uploaded too. These files are then 
bzipped and uploaded via curl to a php script on the nagios server that 
knows how to save them in for use.
The nagios server then has a scheduled process that first looks to see 
if there's a new config file for hosts and moves it into etc/hosts/*.cfg 
( separate files per host ) and then reloads nagios, it then takes the 
contents of the remaining nagios data files and pipes the contents of 
them through ncsa.
Although this scenario is far from perfect and we've only been working 
on it for 2 weeks on and off it seems to suit our needs.
Maybe looking at a config collector plugin, something like the cisco 
router config one, and modifying it to store the nagios host config 
could be used to pass the config through nsca, although I'm not sure how 
you'd process that on the server to update the host config there.
/
/
-- 

Steve Wilson
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