[ale] nagios NRPE proxy

[Chuck Payne]

On Fri, Apr 8, 2011 at 3:24 PM, Shawn <taaj.shawn at gmail.com> wrote:
> To add to this .. the nrpe daemon needs to be compiled with
>
>    1.  Run the configure script with the --enable-command-args
>        option
>
>    2.  Set the 'dont_blame_nrpe' directive in the NRPE config
>        file to 1.
>
> ./check_nrpe -H x.x.x.x -c check_ping -a "-H 10.x.x.x. -w 3000.0,80% -c
> 5000.0,100% -p 5"
> NRPE: Command 'check_ping' not defined
>
> So this is better than the error I was seeing ->
>
> CHECK_NRPE: Received 0 bytes from daemon.  Check the remote server logs for
> error messages.
>
> so instead of passing arguments with a check i decided to just make the
> check command static to the server its talking to.
> ex. from the nrpe.cfg of the remote host
> command[check_ping_mysqlmaster]=/usr/local/nagios/libexec/check_ping -H
> 10.x.x.x -w 3000.0,80% -c 5000.0,100% -p 5
> this returns
> ./check_nrpe -H x.x.x.x -c check_ping_patientpadmysqlmaster
> PING OK - Packet loss = 0%, RTA = 0.62
> ms|rta=0.622000ms;3000.000000;5000.000000;0.000000 pl=0%;80;100;0
> so it looks like im good to go the proxy is working.. Any tips on how to get
> this to show as a unique host in nagios?
>
>
>
> On Fri, Apr 8, 2011 at 1:40 PM, Shawn <taaj.shawn at gmail.com> wrote:
>>
>> I am trying to understand how a NRPE proxy works so I can test this as a
>>  solution..
>> Currently my nagios core is outside of the "production" network for
>> various reasons. I have NRPE setup via xinetd on two production servers
>> inside this network. a number of the servers inside this network are
>> internal only db servers with no outbound access.
>> I found this here ->
>> http://serverfault.com/questions/117815/distributed-nagios-installation
>> So I would need the NRPE and plugins i'm using installed on the db
>> server..
>>
>> >From the main nagios server: check_nrpe -H NRPEPROXYHOST -c check_ping -H
>> 10.0.0.3 ....
>>
>> So that makes sense, you call a regular check and then have it run
>> whatever check on the internal.. What if I wanted to do something besides a
>> check ping, maybe a disk check that requires the plugin to be on the server?
>> Can I string something to together? Can anyone provide me with an example of
>> this?
>> So I assume to do that the NRPE daemon needs to be running on internal db
>> server.  Which is fine, but when nagios checks through the proxy.. How do I
>> configure it to display it is a unique host instead of the NRPEPROXYHOST?
>> thanks
>
>
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>

Shawn,

nrpe is an agent that runs local on the on host you want to monitor,
you have to have the plugin install on the host as well. Make sure
that you have port 5665 open.

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