azure-eks-iac

Azure EKS using Terraform

This repository contains Infrastructure as Code (IaC) for setting up and managing Azure Kubernetes Service (AKS) using Terraform.

Objectives

• To provide a scalable and maintainable AKS cluster setup.
• To automate the deployment and management of AKS resources.
• To ensure best practices and security standards are followed.

Prerequisites

• Terraform installed on your local machine.
• Azure CLI installed and configured.
• An Azure subscription.

Usage

1. Clone the repository.
2. Navigate to the project directory.
3. Initialize Terraform: terraform init
4. Plan the deployment: terraform plan
5. Apply the configuration: terraform apply

Configuration

The main configuration is defined in the main.tf file. Below are some key configurations:

• Kubernetes Cluster:
  • Name: ${var.prefix}-k8s
  • Location: var.location
  • Resource Group: var.resource_group_name
  • Kubernetes Version: var.kube_version
  • Node Pool:
    • Name: default
    • Node Count: var.node_count
    • VM Size: var.node_size
    • OS Disk Size: var.disk_size
  • Role-Based Access Control: Enabled
  • OIDC Issuer: Enabled
  • Workload Identity: Enabled
  • Identity Type: SystemAssigned
  • Network Plugin: kubenet
  • Load Balancer SKU: standard
  • Service Mesh: Istio
  • Workload Autoscaler: Vertical Pod Autoscaler Enabled

Variables

The variables used in the configuration are defined in the variables.tf file. Some important variables include:

• location: Default is eastus
• prefix: Default is mlops-test
• kube_version: Default is 1.31
• node_count: Default is 2
• node_size: Default is Standard_D2s_v3
• disk_size: Default is 30
• istio_version: Default is asm-1-23
• tenant_id, subscription_id, resource_group_name, client_id, client_secret: These should be set according to your Azure subscription details.
• tags: Default tags include team, usage, and environment.