Terraform Infrastructure for AWS EC2 Server Deployment

Overview

This Terraform project automates the provisioning of AWS infrastructure for an EC2 instance deployment. The setup includes a Virtual Private Cloud (VPC), subnets, security groups, NAT gateway, and an EC2 instance. Additionally, it includes Terraform modules to manage different AWS services efficiently.

Infrastructure Overview

This Terraform script provisions the following AWS resources:

• VPC with configurable CIDR block, DNS support, and hostname resolution.
• Public and Private Subnets in a specified availability zone.
• Internet Gateway (IGW) for public subnet connectivity.
• NAT Gateway for private subnet connectivity.
• Route Tables for traffic routing.
• Security Groups to manage inbound and outbound rules.
• Key Pair for secure SSH access.
• EC2 Instance with automated provisioning scripts for MongoDB and Rancher.

Project Structure

EC2_Server/
│── Modules/
│   ├── 01_aws_vpc/
│   ├── 02_aws_public_subnet/
│   ├── 03_aws_private_subnet/
│   ├── 04_aws_internet_gateway/
│   ├── 05_aws_nat_gateway/
│   ├── 06_aws_route/
│   ├── 07_aws_security_groups/
│   ├── 08_aws_key_pair/
│   ├── 09_aws_ec2_instance/
│   │   ├── install/mongodb.sh
│   │   ├── install/rancher.sh
│── main.tf
│── provider.tf
│── variables.tf
│── terraform.tfvars
│── README.md

Configuration Variables

AWS Provider

region = "<aws-region>"

• region: AWS region where the infrastructure will be deployed.

VPC Configuration

cidr_block           = "<vpc-cidr-block>"
enable_dns_support   = <true/false>
enable_dns_hostnames = <true/false>

• cidr_block: CIDR range for the VPC.
• enable_dns_support: Enable or disable DNS resolution support.
• enable_dns_hostnames: Enable or disable DNS hostnames for instances.

Subnet Configuration

public_subnet_cidr_block  = "<public-subnet-cidr>"
private_subnet_cidr_block = "<private-subnet-cidr>"
availability_zone         = "<availability-zone>"

• public_subnet_cidr_block: CIDR block for the public subnet.
• private_subnet_cidr_block: CIDR block for the private subnet.
• availability_zone: AWS availability zone to deploy the subnets.

Security Group Configuration

My_computer_ip = "<your-ip-address>/32"

• My_computer_ip: IP address allowed to connect via SSH.

Key Pair

key_name = "<key-pair-name>"

• key_name: Name of the SSH key pair used for EC2 instance access.

EC2 Instance Configuration

instance_type      = "<instance-type>"
private_key_path   = "<path-to-private-key>"

• instance_type: AWS instance type for the EC2 server.
• private_key_path: Path to the private key file for SSH access.

Variables Table

Variable Name	Description	Example Value
region	AWS region for resource deployment	ap-southeast-1
cidr_block	CIDR block for VPC	10.0.0.0/16
enable_dns_support	Enable DNS resolution support	true
enable_dns_hostnames	Enable DNS hostnames for instances	true
public_subnet_cidr_block	CIDR block for public subnet	10.0.1.0/24
private_subnet_cidr_block	CIDR block for private subnet	10.0.2.0/24
availability_zone	Availability zone for subnets	ap-southeast-1a
My_computer_ip	IP address allowed for SSH access	192.168.1.100/32
key_name	SSH key pair name	my-aws-key
instance_type	AWS instance type	t2.micro
private_key_path	Path to the SSH private key	./my-aws-key.pem

Usage

Initialize Terraform

terraform init

Validate Configuration

terraform validate

Plan Deployment

terraform plan

Apply Configuration

terraform apply -auto-approve

Destroy Infrastructure (if needed)

terraform destroy -auto-approve

Prerequisites

• Terraform installed (>= v5.0).
• AWS CLI configured with necessary permissions.
• SSH key pair created for EC2 instance access.

Author

VuPlayBoizz