PATHS="/"
Hname=$(hostname | awk -F. '{print $1}')
criticalpr=98
warningpr=80
logloc="cpuusagehist"
criticalmail="ptclhr@gmail.com"
warmail="ptcladmin@gmail.com"
sudo mkdir -p /var/log/$logloc
logfilename=/var/log/$logloc/$Hname.`date +%u.%I.%m:%y`.log
sudo touch $logfilename
for i in $PATHS
do
cpuload=`top -b -n 2 -d1 | grep 'Cpu(s)' | tail -n1 | awk '{print $2}' | awk -F . '{print $1}'`
if [ -n $criticalpr -a -n $warningpr ]; then
if [ "$cpuload" -ge "$warningpr" -a "$cpuload" -le "$criticalpr" ]; then
echo "Warning! -- Cpuload: $cpuload% on Host: $Hname -- `date "+%I:%M:%S:%F"`" | sudo tee -a $logfilename &>/dev/null
echo "Warning! -- Cpuload: $cpuload% on Host: $Hname" | mail -s "Reaching $cpuload CPUload" $warmail
exit 1
elif [ "$cpuload" -ge "$criticalpr" ]; then
echo "Critical! -- Cpuload: $cpuload% on Host: $Hname -- `date "+%I:%M:%S:%F"`" | sudo tee -a $logfilename &>/dev/null
echo "Critical! -- Cpuload: $cpuload% on Host: $Hname" | mail -s "Reaching $cpuload CPUload" $criticalmail
exit 2
else
echo "OK -- Cpuload: $cpuload% on Host: $Hname -- `date "+%I:%M:%S:%F"`" | sudo tee -a $logfilename &>/dev/null
exit 0
fi
fi
done