Hi Kevin,
It should be straitfoward,
Write a wrapper script that calls the check_snmp plugin and reports the
values in the format you want.
other approches, is to see if you can change the format from the poweredge,
maybe contacting suppot you never know when undocumented functionallity is
availible.
Tony (author of nc_net)
On 8/29/07, Zembower, Kevin <[EMAIL PROTECTED]> wrote:
>
> I've just gotten my first Nagios system set up and running, so if this
> is a common question, please forgive me and point out what I overlooked.
>
> I want to use Nagios and the check_snmp plug-in to monitor the ambient
> temperature in my server room, and send alerts when the air conditioner
> fails. My Dell PowerEdge servers have an ambient temperature probe that
> reports in tenths of a degree Celsius. Here's an example:
>
> [EMAIL PROTECTED]:~$ /usr/lib/nagios/plugins/check_snmp -H 10.253.192.204 -o
> .1.3.6.1.4.1.674.10892.1.700.20.1.6.1.3
> SNMP OK - 240 | iso.3.6.1.4.1.674.10892.1.700.20.1.6.1.3=240
> [EMAIL PROTECTED]:~$
>
> The output indicates that the temperature is 24 degrees Celsius or
> (9/5)*24+32=75.2 degrees Fahrenheit. I'd like to use the Fahrenheit
> value in my emails, and set warning and critical values such as:
>
> [EMAIL PROTECTED]:~$ /usr/lib/nagios/plugins/check_snmp -H 10.253.192.204 -o
> .1.3.6.1.4.1.674.10892.1.700.20.1.6.1.3 -w :220 -c :225
> SNMP CRITICAL - *230* | iso.3.6.1.4.1.674.10892.1.700.20.1.6.1.3=230
> [EMAIL PROTECTED]:~$
>
> (These are artificially low, just for testing.)
>
> My question is, should I just hard-code the values in the email message
> ("Warning: the server room temperature exceeds 80 F.") or could I
> calculate within Nagios and say "Warning: the server room temperature is
> XX F." If I can calculate within Nagios, please point out an example in
> the documentation or other source.
>
> Thanks for your suggestion. I really appreciate all the time and effort
> devoted to Nagios.
>
> -Kevin
>
> Kevin Zembower
> Internet Services Group manager
> Center for Communication Programs
> Bloomberg School of Public Health
> Johns Hopkins University
> 111 Market Place, Suite 310
> Baltimore, Maryland 21202
> 410-659-6139
>
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