aws_update_infra.sh

aws_update_infra.sh

#!/usr/bin/env bash

HOUR=$(date +"%H")
RDS_DESIRED_SIZE=db.t2.2xlarge
RDS_IDLE_SIZE=db.t2.large
EC2_DESIRED_SIZE=2
EC2_IDLE_SIZE=1

# AWS Config
AWS_AVAILIBILIY_ZONE=ap-south-1a
AWS_AUTO_SCALING_NAME=prod
AWS_RDS_DB_IDENTIFIER=projectx

# Dev Env
AWS_DEV_RDS_DB_IDENTIFIER=projectx-testing
APP_STAGING_SERVER="i-XXXXXXXXXXXXXXXX"
APP_IP_STAGING_SERVER="i-YYYYYYYYYYYYYYYY"

increaseEc2Servers()
{
    echo "Increasing EC2 servers to $EC2_DESIRED_SIZE nos...\n"
    /usr/local/bin/aws autoscaling update-auto-scaling-group --auto-scaling-group-name $AWS_AUTO_SCALING_NAME --min-size $EC2_DESIRED_SIZE --desired-capacity $EC2_DESIRED_SIZE --availability-zones $AWS_AVAILIBILIY_ZONE
}

increaseRdsSize(){
    echo "Increasing RDS size to $RDS_DESIRED_SIZE nos...\n"
    /usr/local/bin/aws rds modify-db-instance --db-instance-identifier $AWS_RDS_DB_IDENTIFIER --db-instance-class $RDS_DESIRED_SIZE --apply-immediately
}

decreaseEc2Servers(){
    echo "Decreasing EC2 servers to $EC2_IDLE_SIZE nos...\n"
    /usr/local/bin/aws autoscaling update-auto-scaling-group --auto-scaling-group-name $AWS_AUTO_SCALING_NAME --min-size $EC2_IDLE_SIZE --desired-capacity $EC2_IDLE_SIZE --availability-zones $AWS_AVAILIBILIY_ZONE
}


decreaseRdsSize(){
    echo "Decreasing RDS size to $RDS_IDLE_SIZE nos...\n"
    /usr/local/bin/aws rds modify-db-instance --db-instance-identifier $AWS_RDS_DB_IDENTIFIER --db-instance-class $RDS_IDLE_SIZE --apply-immediately
}

# DEV 
##############################################
turnOnDevEnvironment(){
    /usr/local/bin/aws rds start-db-instance --db-instance-identifier $AWS_DEV_RDS_DB_IDENTIFIER
    /usr/local/bin/aws ec2 start-instances --instance-ids $FMS_STAGING_SERVER $FMS_IP_STAGING_SERVER
}

turnOofDevEnvironment(){
    /usr/local/bin/aws rds stop-db-instance --db-instance-identifier $AWS_DEV_RDS_DB_IDENTIFIER
    /usr/local/bin/aws ec2 stop-instances --instance-ids $FMS_STAGING_SERVER $FMS_IP_STAGING_SERVER
}
###############################################

if [ $HOUR == "10" ];
then
     increaseEc2Servers
     increaseRdsSize
elif [ $HOUR == "18" ]; then
     decreaseEc2Servers
     decreaseRdsSize
fi



if [ $HOUR == "20" ];
then
     turnOofDevEnvironment
elif [ $HOUR == "10" ]; then
     turnOnDevEnvironment
fi