simple chech using snmp

[Tom Brown]

Thomas Sluyter wrote:
> Right then... Clean slate for this e-mail...
> 
> I've set up my snmpd.conf to include the following.
> 
> 	exec .1.3.6.1.4.1.6886.4.1.4 check_d_root /usr/local/nagios/libexec/ 
> check_disk -w 15 -c 5 -p /
> 
> SNMPWalking through that gives me:
> 
> 	$ snmpwalk -v 2c -c management localhost .1.3.6.1.4.1.6886
> 	SNMPv2-SMI::enterprises.6886.4.1.4.1.1 = INTEGER: 1
> 	SNMPv2-SMI::enterprises.6886.4.1.4.2.1 = STRING: "check_d_root"
> 	SNMPv2-SMI::enterprises.6886.4.1.4.3.1 = STRING: "/usr/local/nagios/ 
> libexec/check_disk -w 15 -c 5 -p /"
> 	SNMPv2-SMI::enterprises.6886.4.1.4.100.1 = INTEGER: 0
> 	SNMPv2-SMI::enterprises.6886.4.1.4.101.1 = STRING: "DISK OK - free  
> space: / 29707 MB (90%);| /=3409MB;33100;33110;0;33115"
> 	SNMPv2-SMI::enterprises.6886.4.1.4.102.1 = INTEGER: 0
> 
> Now, trying it with the -Ovq flag:
> 
> 	$ snmpwalk -Ovq -v 2c -c management localhost .1.3.6.1.4.1.6886
> 	1
> 	"check_d_root"
> 	"/usr/local/nagios/libexec/check_disk -w 15 -c 5 -p /"
> 	0
> 	"DISK OK - free space: / 29707 MB (90%);| /=3409MB;33100;33110;0;33115"
> 	0
> 
> Which is quite a lot closer to what we want. So I modify the two  
> snmpwalk commands in retrieve_custom_snmp. And I've made a boatload  
> of other fixes. I cannot believe how many mistakes I left in there : 
> ( Should be a lot better now... Anywho, running the script now  
> results in:
> 
> 	$ ./retrieve_custom_snmp -H localhost -o .1.3.6.1.4.1.6886.4.1.4
> 	DISK OK - free space: / 29705 MB (90%);| /=3410MB;33100;33110;0;33115
> 	$ echo $?
> 	0
> 
> Stuff that I had gotten wrong? I've already forgotten some things,  
> but here's the more notable stuff.
> 	* No sed to strip quote from the output string.
> 	* Had the wrong OID for the exit code. Used 100.0 (as indicated by  
> the man-pages), as opposed to 100.1.
> 	* Used snmpwalk instead of snmpget.
> 
> Things should be a lot better now. Care to retry? The latest version  
> is up on my site right now. I'll also upload it to the Exchange in a  
> few minutes.

no joy for me running with snmp v 1 though

# snmpwalk xxxx -c xxxx -v 1 -t 30 1.3.6.1.4.1.2021.57
UCD-SNMP-MIB::ucdavis.57.1.1 = INTEGER: 1
UCD-SNMP-MIB::ucdavis.57.2.1 = STRING: "/usr/local/bin/perl"
UCD-SNMP-MIB::ucdavis.57.3.1 = STRING: 
"/opt/nagios/libexec/check_om_chassis.pl"
UCD-SNMP-MIB::ucdavis.57.100.1 = INTEGER: 2
UCD-SNMP-MIB::ucdavis.57.101.1 = STRING: "CHASSIS: CRITICAL [ SCSI A 
external termination is Critical (3.346 V) ]"
UCD-SNMP-MIB::ucdavis.57.102.1 = INTEGER: 0
UCD-SNMP-MIB::ucdavis.57.103.1 = ""

# ./retrieve_custom_snmp -H xxxx -o 1.3.6.1.4.1.2021.57
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: UCD-SNMP-MIB::ucdavis.57.100.1

Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: UCD-SNMP-MIB::ucdavis.57.101.1

any ideas or am i being dumb?

thanks


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