-#!/bin/bash
+#!/bin/bash -e
# modified from https://gist.github.com/krokodilerian/a88b4ae992706c22e0b0
# see /var/lib/snmp/mibs/ietf/IF-MIB
if [ -z "$1" ]; then
- echo Usage: "$0" hostname
+ echo Usage: "$0" hostname ifAdminStatus BRIDGE-MIB::dot1dStpPortState ifInErrors ifOutErrors ifInDiscards
exit 4
fi
test -d $log || mkdir $log
sw="$1"
+shift # rest of arguments are IfEntry SEQUENCE
. ./snmp.conf
-snmp="snmpget -v 2c -c $COMMUNITY -Cf -Ov -OQ $sw"
-numports=`$snmp IF-MIB::ifNumber.0`
+extra=$*
+snmpwalk="snmpwalk -Oqs -v2c -Cc -c $COMMUNITY $sw"
+
+fping $sw 2>>/dev/shm/dead
+
:> $log/$sw
-for i in `seq 1 $numports`; do
- name=`$snmp IF-MIB::ifAlias.$i`
- if [ "$name" = "No Such Instance currently exists at this OID" ]; then
- continue
- fi
+for oid in ifName ifHighSpeed ifOperStatus $extra ifType ifAlias
+do
+ echo -n "# snmpwalk $sw [$oid] = " >/dev/stderr
- iftype=`$snmp IF-MIB::ifType.$i`
+ $snmpwalk $oid | cut -d. -f2- | tee $log/$sw-$oid | wc -l >/dev/stderr
-# if [ "$iftype" = "other" ] || [ "$iftype" = propVirtual ] || [ "$iftype" = softwareLoopback ]; then
-# continue
-# fi
-
- status=`$snmp IF-MIB::ifOperStatus.$i`
- if [ "$status" = "notPresent" ] ; then
- continue;
+ # put [] around alias and remove empty ones
+ if [ "$oid" = 'ifAlias' ] ; then
+ cat $log/$sw-$oid | sed -e 's/ / [/' -e 's/$/]/' -e 's/ \[\]$//' > $log/$sw-$oid.new && mv $log/$sw-$oid.new $log/$sw-$oid
fi
- #descr=`$snmp IF-MIB::ifDescr.$i`
- speed=`$snmp IF-MIB::ifSpeed.$i | sed 's/000000//'`
-
-# echo "## $sw [$name] $iftype $status $descr $speed"
- echo "$sw $i $speed $status [$name]" | tee -a $log/$sw
+ if [ ! -s $log/$sw ] ; then
+ mv $log/$sw-$oid $log/$sw
+ else
+ join -a 1 $log/$sw $log/$sw-$oid > $log/$sw.new && mv $log/$sw.new $log/$sw
+ rm $log/$sw-$oid
+ fi
done
+# add switch name prefix
+cat $log/$sw | sed "s/^/$sw /" > $log/$sw.new && mv $log/$sw.new $log/$sw
+
+cat $log/$sw
+
+test ! -z "$extra" && exit 0 # don't commit if we have custom oids
+
+ports_changed=`cd $log && git diff $sw | grep '^-' | awk '{ print $3 }' | tr '\n' ' '`
+if [ ! -z "$ports_changed" ] ; then
+ cd $log && git commit -m "$sw : $ports_changed" $log/$sw
+fi