Create AWS EKS Cluster using Terraform Easily

This post will show you how to Create AWS EKS Cluster using Terraform Easily with step by step procedure.. 

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How to Create AWS EKS Cluster using Terraform

Steps Involved:

To create an Amazon Elastic Kubernetes Service (EKS) cluster using Terraform, you will need to perform the following steps:

1. Install and configure Terraform on your local machine
2. Create a Terraform configuration file that defines the resources you want to create, including the EKS cluster, worker nodes, and any related resources such as VPCs, subnets, and security groups.
3. Run the Terraform plan command to preview the changes that will be made to your AWS environment
4. Run the Terraform apply command to create the resources defined in the configuration file

Here is an example of a Terraform configuration file that creates an EKS cluster with two worker nodes:

provider "aws" {
  region = "us-west-2"
}


resource "aws_eks_cluster" "example" {
  name     = "example"
  role_arn = aws_iam_role.example.arn
}


resource "aws_iam_role" "example" {
  name = "example"


  assume_role_policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "Service": "eks.amazonaws.com"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}
EOF
}


resource "aws_iam_role_policy" "example" {
  name = "example"
  role = aws_iam_role.example.id


  policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "autoscaling:*",
        "ec2:*",
        "elasticloadbalancing:*"
      ],
      "Resource": "*"
    }
  ]
}
EOF
}


resource "aws_autoscaling_group" "example" {
  name                      = "example"
  min_size                  = 2
  max_size                  = 2
  desired_capacity          = 2
  vpc_zone_identifier       = [aws_subnet.example.id]
  launch_configuration      = aws_launch_configuration.example.id
}


resource "aws_launch_configuration" "example" {
  name                      = "example"
  image_id                  = "ami-0ff8a91507f77f867"
  instance_type             = "t2.micro"
}


resource "aws_subnet" "example" {
  vpc_id                  = aws_vpc.example.id
  cidr_block              = "10.0.0.0/24"
  availability_zone       = "us-west-2a"
}


resource "aws_vpc" "example" {
  cidr_block = "10.0.0.0/16"
}

That’s it for this post, Hope you have got an idea on How to Create AWS EKS Cluster using Terraform Easily.

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