Re: can´t get snmp to work

On Tue, 22 Apr 2008, Willy Tarreau wrote:

> Hi Pablo,

Hello,

> On Mon, Apr 21, 2008 at 06:27:16PM +0200, Pablo Escobar wrote:
>> Hi all
>>
>> Today I decided to upgrade to last stable version of haproxy on my web cluster
>> because I would like to get snmp statistics from haproxy to show on cacti but
>> I can´t get snmp to work.
>>
>> I followed the instructions on haproxy-1.3.15/contrib/netsnmp-perl/README so
>> copied the script haproxy.pl to /etc/snmp directory and got this two new
>> lines on my snmpd.conf
>>
>> [root]@[txema]# tail -n2 /etc/snmp/snmpd.conf
>> disablePerl false
>> perl do '/etc/snmp/haproxy.pl';
>>
>> then I restarted snmpd and tried to do some snmp queries but I get no results.
>
> I have not tried this script yet, because I don't have a perl-enabled snmpd.
> But could you check /var/log/messages, just in case snmpd would log some
> errors ? Probably that /etc/snmp/haproxy.pl needs to be installed with
> execute permission (chmod +x).

Actually, it does not need to, 644 should be fine here.

> Also check that the unix socket referenced in haproxy.pl matches the one you
> have in your haproxy configuration. Maybe you have a slightly different path ?

And this is very important. It is also important to make sure that snmpd process is able to connect to that socket, especially if it is executed without root privileges.

Best regards,

                                 Krzysztof Oledzki Received on 2008/04/22 14:00