use snmpwalk - faster and gets us virtual interfaces

diff --git a/snmp-port-status.sh b/snmp-port-status.sh
index de3cfbc..174259f 100755 (executable)
--- a/snmp-port-status.sh
+++ b/snmp-port-status.sh
@@ -14,6 +14,38 @@ test -d $log || mkdir $log
 sw="$1"
 shift # rest of arguments are IfEntry SEQUENCE
 . ./snmp.conf
+
+snmpwalk="snmpwalk -Oqs -v2c -Cc -c $COMMUNITY $sw"
+
+
+:> $log/$sw
+
+for oid in ifName ifHighSpeed ifOperStatus ifType $* ifAlias
+do
+       echo -n "# snmpwalk $sw [$oid] = "
+
+       $snmpwalk $oid | cut -d. -f2- | tee $log/$sw-$oid | wc -l
+
+       # put [] around alias and remove empty ones
+       if [ "$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
+
+       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
+
+exit 1
+
 snmp="snmpget -v 2c -c $COMMUNITY -Cf -Ov -OQ $sw"
 
 numports=`$snmp IF-MIB::ifNumber.0`
@@ -50,9 +82,11 @@ for PORT in `seq 1 $numports`; do
 ###    echo "## $sw [$name] $iftype $status $descr $speed"
 ##     #echo "$sw $i $name $speed $status $iftype$extra [$alias]" | tee -a $log/$sw
 
-       echo "$sw $PORT "`$snmp IF-MIB::ifName.$PORT IF-MIB::ifHighSpeed.$PORT IF-MIB::ifOperStatus.$PORT IF-MIB::ifType.$PORT IF-MIB::ifAlias.$PORT` | grep -v 'No Such Instance currently exists at this OID' | sed 's/\(ethernetCsmacd\) \(..*\)$/\1 [\2]/' | tee -a $log/$sw
+       echo "$sw $PORT "`$snmp IF-MIB::ifName.$PORT $* IF-MIB::ifHighSpeed.$PORT IF-MIB::ifOperStatus.$PORT IF-MIB::ifType.$PORT IF-MIB::ifAlias.$PORT` | grep -v 'No Such Instance currently exists at this OID' | sed 's/\(ethernetCsmacd\) \(..*\)$/\1 [\2]/' | tee -a $log/$sw
 done
 
+exit 1
+
 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