#!/bin/bash
# http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.monitoring_lvs.html | 33.3. Monitoring: LVS director throughput statistics from the /proc system (originally /proc/net/ip_vs_stats)
# Check your connections per second if you have a loadbalancer with keepalived.

if [ -f /proc/net/ip_vs_stats ];
then
  #total
  connections=$(sed -n 3p /proc/net/ip_vs_stats | awk '{print $1}')
  packets=$(sed -n 3p /proc/net/ip_vs_stats | awk '{print $2}')
  bytes=$(sed -n 3p /proc/net/ip_vs_stats | awk '{print $4}')

  #per second
  conspersec=$(cat /proc/net/ip_vs_stats |tail -1| awk '{print $1}')
  pktpersec=$(cat /proc/net/ip_vs_stats |tail -1| awk '{print $2}')
  bytespersec=$(cat /proc/net/ip_vs_stats |tail -1| awk '{print $4}')

  echo '<<<app-lvs_stats>>>'
  echo "connections_total:$((0x$connections))"
  echo "packets_total:$((0x$packets))"
  echo "bytes_total:$((0x$bytes))"
  echo "connections_sec:$((0x$conspersec))"
  echo "packets_sec:$((0x$pktpersec))"
  echo "bytes_sec:$((0x$bytespersec))"

fi