test_address="8.8.8.8"
tunnel_interfaceWAN="eth0"
tunnel_interfaceVPN="tun1"
init_ping_tries=2
ping_tries=init_ping_tries
WANup=0
while [[ $ping_tries -lt 5] && [ $WANup -eq 0 ]]
do
if ping -c 1 -W 1 $test_address -I $tunnel_interfaceWAN >/dev/null
then
WANup=1
fi
ping_tries=$((ping_tries+1))
done
if $WANup -eq 0
then
echo "VPN is down because Internet is down [exit 0]"
exit 0
fi
Im pretty new to bash programming, this script should be simple, but I cant seem to figure out why it is not working correctly.
Is there something wrong with the syntax of my while loop or last if statement?
