shell script for Generate the service.cfg for monitoring network device interfaces

#!/bin/bash
#Purpose : TO generate interface monitoring services.cfg



while read devicelist

do
ip=`echo $devicelist | awk '{print $2}'`
devicename=`echo $devicelist | awk '{print $1}'`

`snmpwalk -Os -c communitystring -v 1 $ip IfDescr | awk '{print $4}' > /tmp/interface.txt`


while read interfacename

do


echo "define service{
        host_name                       $devicename
        service_description             $interfacename
        use                             service
        check_command                   check_ifoperstatus!$interfacename!communitystring
}"

done < /tmp/interface.txt

done < /tmp/deviceip