#!/usr/local/bin/ksh93# Copyright Florian Heigl(2008) # availability / other licences upon request. i refuse to think about it now.# no warranties. # Syntax to be# nagswitch -n <switch name> [-i <switch ip address] -c "Description String"# Variables#naghostname="vendor-model-num" # switch hostname as used by nagios##numports=16 # number of switchports# will be enumerated via snmp, unless specified# there are a few pieces that would not work with the switch being unreachable# needs to some consideration# also it seems some switches allow for per-vlan statistics and other stuff# that will be shown as interfaces and need to be filtered, probably via# iftype##naghostname_ip="192.168." # our resolver mustn't be right so allow explicit ip for the mrtg base # filename. later, if not supplied, assume we're in default land and # nslookup it.naghostname="msu1800-1" naghostname_ip="192.168.10.35" #numports=$(/usr/local/bin/snmpget -c public -v 1 $naghostname_ip IF-MIB::ifNumber.0 | awk '{print $4}')numports=26nagdescr="Nortel Metro Ethernet Services Unit 1800"#naghostname="lcs-gs9420-1"#naghostname_ip="192.168.10.36"#numports=$(/usr/local/bin/snmpget -c public -v 1 $naghostname_ip IF-MIB::ifNumber.0 | awk '{print $4}')#nagdescr="Longshine GS9420"SNMPCMD="snmpget -c public -v 1"SNMPWCMD="snmpwalk -c public -v 1"echo "define host{ use generic-switch host_name $naghostname alias $nagdescr address $naghostname_ip hostgroups switches }" > $naghostname.cfgecho "define service{ use generic-service host_name $naghostname service_description PING service_description PING check_command check_ping!200.0,20%!600.0,60% normal_check_interval 5 retry_check_interval 1}" >> $naghostname.cfg# id of switchport padded with zeroes according to port number# this isnt real padding yet, obviously. wc -c on numports will do thoughtypeset -Z02 idpadfor id in $( $SNMPWCMD $naghostname_ip IF-MIB::ifIndex | awk '{print $NF}' )do ifType="$( $SNMPCMD $naghostname_ip IF-MIB::ifType.$id | awk '{print $NF}' | cut -f1 -d\( )"if [ "X${ifType}" = "XethernetCsmacd" ] || [ "X${ifType}" = "XgigabitEthernet" ]thenidpad="$id"echo "define service{ use generic-service host_name $naghostname service_description Port $idpad Link Status check_command check_snmp!-C public -o ifOperStatus.$id -r 1 -m RFC1213-MIB }define service{ use generic-service host_name $naghostname service_description Port $idpad Bandwidth Usage check_command check_local_mrtgtraf!/usr/local/www/mrtg/${naghostname_ip}_${id}.log!AVG!1000000,1000000!5000000,5000000!10 }define servicedependency{ host_name $naghostname service_description Port $idpad Link Status dependent_host_name $naghostname dependent_service_description Port $idpad Bandwidth Usage execution_failure_criteria w,c,u notification_failure_criteria w,c,u }" >> $naghostname.cfgif [ $id = 1 ] then all_port_services="Port $idpad Link Status, Port $idpad Bandwidth Usage" else all_port_services="${all_port_services},Port $idpad Link Status, Port $idpad Bandwidth Usage"fifidoneecho "define servicedependency{ host_name $naghostname service_description PING dependent_host_name $naghostname dependent_service_description $all_port_services execution_failure_criteria w,c,u notification_failure_criteria w,c,u}" >> $naghostname.cfg