Hybrid Multi-Cloud Project

This project is based on the creation of a web server using Terraform, AWS and Github. Projects cover the following points:

• Creation of key and security group which allow the port 80.
• Launching EC2 instance with the key and security group
• Launch one Volume (EBS) and mounting that volume and copying data from GitHub
• Creating an S3 bucket, and storing data from Github into it
• Creating a Cloudfront using s3 bucket (which contains images) and use the Cloudfront URL to update the code

Step 1: Creating a global variable for the key pair and setting up the profile

The profile can be set up by using the command aws configure --profile profile_name and passing the access key and secret key

Step 2: Creating a Security Group which allows port 80 access

Here the Ingress defines the Inbound Rule. We can add as many Ingress as required.

Step 3: Creating an EC2 instance using the key-pair and security group

Here I created an EC2 instance with an AMI image. The EC2 is connected by using a connection attribute with tags type, user, private key, and host. A remote executer enables us to run the commands to install https, git & PHP.

Step 4: Creating an EBS volume | Attach, format and Mount | Clone Github Repo

This step includes creating an EBS volume which takes the availability zone of EC2 automatically. After creation, we link the volume to a folder and this folder is then formatted and mounted to the var/www/html/ folder as httpd takes the content from this folder. Once done, the content from GitHub is cloned into this.

Step 5: S3 bucket creation | cloning static data

Here S3 bucket is created with a unique name. A local executed created a folder in which the git repository is cloned to store the static data. If the infrastructure is destroyed, this folder is also destroyed.

Step 6: Cloudfront creation with S3 bucket data

Cloudfront's domain name is derived from the S3 bucket appended with a domain name tag. A Null Resource helps to connect to the instance and use the Cloudfront URL.

Step 7: Display the IP output and launch the application

Commands to run the file

• terraform init: initializes the folder & downloads the plugins
• terraform validate: validates the program syntax
• terraform apply --auto-approve: runs the program file with default permission
• terraform destroy --auto-approve: destroys the complete infrastructure

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