Passing Argument to snmp extend script?

[synappzz]

Hello,
I have been trying to configure cacti for a few days now, and reading through all the documentation I can get my hands on.

I have successfully been able to graph some custom scripts on a server, using both snmp extend and running the script directly inputting it as the Data Input Method and having ssh keys set up.

The last piece of the puzzle is that there are over 40 virtual network interfaces on this server, and I need to be able to pass the <hostname> as an argument to the script on the server. I believe that when running the script as the data input method, I can add the <hostname> at the end, then use $1 or $ARGV[0] in perl, such as:

Data Input Method: ssh cactiquery@<hostname> /home/cactiquery/port_state.pl <hostname>

And in my perl script: $data{'8009_established'} = `netstat -na | cut -c 21-44,69- | fgrep $ARGV[$0]`;

Then add hostname as an input field and voila.


I can't however figure out how to do the same using the SNMP extend method. Our leadhand is partial to using SNMP as we have a lot of servers. I have a line within snmpd.conf:

extend portstates /usr/local/bin/port_state.sh

And I set up the data template with the OID, and can graph it. Is there are way to pass the <hostname> argument to the script using this method?

Thanks for your time.

[TheWitness]

Use the script server to handle this and simply have a function that maps the hostnames to an OID. You will have to maintain the index somewhere. So, maybe it's a data query.

TheWitness