Create cpualert.sh

Monitoring CPU Utilization and send an alert to email.

Author: Ankam Ravi Kumar

cpualert.sh

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+#!/bin/bash
+#Purpose: Real time CPU utilization Monitoring
+#Version:1.0
+#Created Date: Tue Jun 5 21:33:38 IST 2018
+#Modified Date:
+#WebSite: https://arkit.co.in
+#Author: Ankam Ravi Kumar
+# START #
+PATHS="/"
+HOSTNAME=$(hostname)
+CRITICAL=98
+WARNING=90
+CRITICALMail="YOUREMAILaddresS@Domain.com"
+MAILWAR="YOUREMAIL@Domain.in"
+mkdir -p /var/log/cputilhist
+LOGFILE=/var/log/cputilhist/cpusage-`date +%h%d%y`.log
+
+touch $LOGFILE
+
+for path in $PATHS
+do
+        CPULOAD=`top -b -n 2 -d1 | grep "Cpu(s)" | tail -n1 | awk '{print $2}' |awk -F. '{print $1}'`
+if [ -n $WARNING -a -n $CRITICAL ]; then
+if [ "$CPULOAD" -ge "$WARNING" -a "$CPULOAD" -lt "$CRITICAL" ]; then
+echo "`date "+%F %H:%M:%S"` WARNING - $CPULOAD on Host $HOSTNAME" >> $LOGFILE
+echo "Warning Cpuload $CPULOAD Host is $HOSTNAME" | mail -s "CPULOAD is Warning" $MAILWAR
+exit 1
+elif [ "$CPULOAD" -ge "$CRITICAL" ]; then
+echo "`date "+%F %H:%M:%S"` CRITICAL - $CPULOAD on Host $HOSTNAME" >> $LOGFILE
+echo "CRITICAL Cpuload $CPULOAD Host is $HOSTNAME" | mail -s "CPULOAD is CRITICAL" $CRITICALMail
+exit 2
+else
+echo "`date "+%F %H:%M:%S"` OK - $CPULOAD on $HOSTNAME" >> $LOGFILE
+exit 0
+fi
+fi
+done
+
+# END #