README.md

This repository is a solution of the Terraform Cloud Resume Challenge.

Terraform configuration for creating an AWS EC2 Instance runnning a basic web application in Docker, supported by a Elastic Load Balancer and Auto Scaling Group.

Go to the Remote Backend directory

cd s3_remote_backend

terraform init 

terraform validate

terraform plan 

terraform apply

Go to Root Directory

cd .. 

terraform init 

terraform validate

terraform plan

terraform apply

Load Balancer Endpoint

• node-alb-1253122593.eu-north-1.elb.amazonaws.com

Initiate a Scaling Event by increasing the CPU Load of the EC2 Instance using AWS Session Manager

• Go to the AWS Systems Manager via the AWS Console

• Navigate to the Fleet Manager, the Fleet Manager indicates the SSM Agent is online for the EC2 Instance which indicates the SSM Agent is ready.

• Navigate to Session Manager

• Start a session with the EC2 Instance

• Install the stress test tool

sudo yum install stress -y

• Initiate a scale up event in the by launching the stress test in the background with a cpu--8cores in 800secs

sudo stress --cpu 8 --timeout 800 &

• Autoscale EC2 Instances for scale up event

• Initiate a scale down event by stopping thestress test

sudo killall stress

• Terminated EC2 Instances for scale down event

Extras

• Terraform Documentation on Managing AWS Auto Scaling Groups.
• Terraform Standard Module Structure.