#!/bin/sh

# Author: Christoph Galuschka <christoph.galuschka@chello.at>

TEST=traceroute

# Testing availability of network

if [ $SKIP_QA_HARNESS -eq 1 ]; then

  HOST="www.centos.org"

else

  HOST="www.centos.org"

fi

t_Log "Running $0 - running ${TEST} to ${HOST}"

IP=$(dig +short ${HOST} A ${HOST} AAAA)

FILE=/var/tmp/traceroute_result

ret_val=1

# getting IP-address of default gateway as a fall back

defgw=$(ip route list | grep default | cut -d' ' -f3)

if [[ ! -z "$IP" ]]

then

  traceroute -n ${HOST} > ${FILE}

  COUNT=$(echo "$IP" | grep -cf - ${FILE})

  TTL=$(egrep -c '30  \* \* \*' ${FILE})

  GW=$(grep -c ${defgw} ${FILE})

  if [ $COUNT = 2 ]

  then

    t_Log "${TEST} reached ${HOST}"

    ret_val=0

  elif ([ $COUNT != 2 ] && [ $TTL = 1 ])

    then

    t_Log "${TEST} didn't reach ${HOST} because of too many hops/blocked traceroute by ISP. This is treated as SUCCESS."

    ret_val=0

  elif ([ $COUNT != 2 ] && [ $GW -gt 0 ])

    then

    t_Log "${TEST} didn't reach ${HOST} (maybe because of ACLs on the network), but at least the Default Gateway ${defgw} was reached. Treating as SUCCESS."

    ret_val=0

  else

    t_Log "${TEST} didn't return anything we expect - FAILING"

    ret_val=1

  fi

fi

/bin/rm ${FILE}

t_CheckExitStatus $ret_val