Tests pings.

test_ping.sh

#!/bin/bash

if [ $# != 2 ]; then
    echo "USAGE: " ${0}" ip-addr warning-level" ;
    exit;
fi

timeout 3 ping -c 1 $1 > /tmp/out

if [ $? -ne 0 ]; then
    echo "CRITICAL -"${1}" is DOWN’"
    exit -1
else
    delay=$(grep time /tmp/out |head -n -1|awk '{print $7}'|cut -d = -f2)" ms"
    if [[ $delay > $2 ]]; then
        delay=$delay"> "$2
        echo -n "WARNING"
    else
        echo -n "OK"
    fi
    echo  "-"" " ${1} " is UP - Delay" $delay
    rm /tmp/out
    exit 0
fi