On Mon, 23 Aug 2004 09:48:50 -0400 Hoover wrote:
HMAAC> I'm attempting to override the non-value for hrProcessorLoad in order to
HMAAC> allow SolarWinds to poll our Linux servers since net-snmp doesn't
HMAAC> provide a value for this internally. The script below works fine if the
HMAAC> specific OID is polled, but doesn't work properly when doing a snmpwalk.
HMAAC> [...]
HMAAC> I'm hoping somebody with more insight than I can look at the following
HMAAC> and tell me why this isn't working. I tried replacing the -n section
HMAAC> with a section that looks similar to the -g section (with a different
HMAAC> OID) with no luck.
HMAAC>
HMAAC> Any help would be appreciated.
HMAAC>
HMAAC> #!/bin/bash
HMAAC>
HMAAC> if [ "$1" = "-g" ]; then
HMAAC> echo ".1.3.6.1.2.1.25.3.3.1.1.769"
HMAAC> echo "objectid"
HMAAC> echo "0.0"
HMAAC> elif [ "$1" = "-n" ]; then
HMAAC> echo ".1.3.6.1.2.1.25.3.3.1.2.769"
HMAAC> echo "integer"
HMAAC> echo `/usr/bin/mpstat | /bin/grep all | /bin/awk '{ printf
HMAAC> "%.0i",100-$7+1}'`
HMAAC> else
HMAAC> echo ".1.3.6.1.2.1.25.3.3.1.2.769"
HMAAC> echo "integer"
HMAAC> echo `/usr/bin/mpstat | /bin/grep all | /bin/awk '{ printf
HMAAC> "%.0i",100-$7+1}'`
HMAAC> fi
The problem is that you aren't paying attention to the second argument ($2),
which gives you the OID you are supposed to be working with. Simplifying for
brevity, if you register a script at X, a walk should go something like this:
-> script -n X
<- X.1.0
<- integer
<- 42
-> script -n X.1.0
<- X.2.0
<- string
<- thanks for all the fist
->script -n X.2.0
<- [nothing, just exit (ie End of Mib)
Note that the OID returned from each call will be the second parameter for the
next time around. What you have will result in an infinte loop:
-> script -n X
<- X.2.769
<- ...
-> script -N X.2.769
<- X.2.769
<- ...
etc, etc.
So you either need to make your script more complex to handled the two
variables that you have, or simplify into two scrips that each only handle one
variable (but you still need to look at $2 to know whether or not to return
data).
--
Robert Story; NET-SNMP Junkie <http://www.net-snmp.org/>
<irc://irc.freenode.net/#net-snmp>
Archive: <http://sourceforge.net/mailarchive/forum.php?forum=net-snmp-users>
You are lost in a twisty maze of little standards, all different.
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