#!/bin/bash
# Enderecos de Rede
# -----------------------------------------------
IFLINK1="eth1"
GWLINK1="kkkk"

IFLINK2="eth2"
GWLINK2="kkkkkk"

# Teste dos Links
# -----------------------------------------------
HOST="8.8.8.8"
COUNT=30

# Path Binarios
# -----------------------------------------------
ipr=/sbin/ip

# Balanceamento Automatico dos Links
# -----------------------------------------------
link1=$( ping -c $COUNT $HOST -I $IFLINK1 | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }' )
link2=$( ping -c $COUNT $HOST -I $IFLINK2 | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }' )

if [[ $link1 -eq $COUNT && $link2 -eq $COUNT ]]; then
 echo ":: LOADBALANCE ::"
 echo "LINK1 ON - $link1"
 echo "LINK2 ON - $link2"
 echo "Tudo OK.........."
else
 if [[ $link1 -eq 0 && $link2 -eq $COUNT ]]; then
  echo "LINK1 OFF - $link1"
  echo "LINK2 ON  - $link2"
  echo "FALHA LINK1......."
  $ipr route del default
  $ipr route add default via $GWLINK2
  /home/scripts/firewall.velox.sh
  echo "Trocando de dns..."
  cp /etc/resolv.conf.velox /etc/resolv.conf
  echo "Reiniciando servidor dns bind..."
  service named restart
  echo | mail -s "VIALINK-DOWN" bento.linux@hotmail.com
  echo | mail -s "VELOX-UP" bento.linux@hotmail.com
  #mail -s "LINK1-DOWN" bento.linux@hotmail.com
 else
  if [[ $link1 -eq $COUNT && $link2 -eq 0 ]]; then
   echo "LINK1 ON - $link1"
   echo "LINK2 OFF - $link2"
   echo "FALHA LINK2......"
   $ipr route del default
   $ipr route add default via $GWLINK1
   /home/scripts/firewall.vialink.sh
   echo "Trocando de dns..."
   cp /etc/resolv.conf.vialink /etc/resolv.conf
   echo "Reiniciando servidor dns bind..."
   service named restart
   echo | mail -s "VELOX-DOWN" bento.linux@hotmail.com
   echo | mail -s "VIALINK-UP" bento.linux@hotmail.com
   #mail -s "LINK2-DOWN" bento.linux@hotmail.com
  else
   if [[ $link1 -eq 0 && $link2 -eq 0 ]]; then
    echo "LINK1 OFF - $link1"
    echo "LINK2 OFF - $link2"
    echo "FALHA GERAL......."
    #mail -s "VELOX/VIALINK-DOWN" bento.linux@hotmail.com
   fi
  fi
 fi
fi

exit