scaleMIP

#!/bin/sh
count=`perl /XXXX/XXXXXXXXXXX/app/getCountForQueue.pl <Queue_Name>`
totalReq=`expr $count / 250`
echo "------------------------------------------"
echo `date`
echo "Total queue Size : $count"
totalReq=`expr $totalReq + 1`
## If it is between morning 8 to evening 8 , minimum elements are 2 else minimum elements is 1
hour=$(date +%H)
if [ "$hour" -lt 20 -a "$hour" -ge 8 ]; then
        if [ $totalReq -lt 2 ];
        then
                totalReq=2;
        fi
fi
echo "Total instance required $totalReq"
curInstance=`aws autoscaling describe-auto-scaling-groups --auto-scaling-group-name my-auto-scaling-group  "<GROUP_NAME>" | jq '.AutoScalingGroups[0].Instances | length'`
echo "Current instance $curInstance"
if [ "$totalReq" -ne "$curInstance" ];
then
        aws  autoscaling update-auto-scaling-group --auto-scaling-group-name "<GROUP_NAME>" --min-size $totalReq --desired-capacity $totalReq
else
        echo " No need to fire request"
fi