This repository contains Terraform modules for AWS Elastic Kubernetes Service and deployed the Nodejs application to the EKS.

Terraform Modules:

VPC

• creates VPC, Private and Public subnets, Internat Gateway, Route table.

IAM creates:

• IAM OIDC provider to use AWS Identity and Access Management (IAM) roles for service accounts
• aws_load_balancer_controller role
• aws_secret_manager_role
• efs-csi-controller role
• fluent-bit-role

eks

• creates Kubernetes cluster

eks-nodes

• creates nodes in private subnets

A Kubernetes node is a machine that runs containerized applications.

efs

• creates Amazon Elastic File System

Amazon Elastic File System (Amazon EFS) provides serverless, fully elastic file storage so that you can share file data without provisioning or managing storage capacity and performance.

opensearch

• creates Amazon OpenSearch Service

Amazon OpenSearch Service is a managed service that makes it easy to deploy, operate, and scale OpenSearch clusters in the AWS Cloud.

helm

This module contains Helm charts to get nodejs app to work with AWS services(EFS, Secret Manager, Elastic Load Balancer, OpenSearch):

• aws-load-balancer-controller
• aws-efs-csi-driver
• secrets-store-csi-driver
• secrets-store-csi-driver-provider-aws
• fluent-bit
• testtask

Infrastructure:

To create infrastructure

Terragrunt is a thin wrapper that provides extra tools for keeping your configurations DRY, working with multiple Terraform modules, and managing remote state. Configuration to Terraform modules contains in infrastructure/aws/<MODULE_NAME>/terragrunt.hcl

To use it, you:

1. Install Terraform.

2. Install Terragrunt.

To deploy infrastructure:

1. Initialize a working directory containing Terragrunt configuration files

terragrunt init

2. Create an infrastructure

terragrunt apply

To destroy:

terragrunt destroy