eks_node_group.tf

data "aws_ami" "ubuntu" {
  most_recent = true

  filter {
    name   = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*"]
  }

  filter {
    name   = "virtualization-type"
    values = ["hvm"]
  }

  owners = ["099720109477"] # Canonical
}

data "aws_key_pair" "existing_key_pair" {
  key_name = "thierno_key"
}

resource "aws_instance" "kubectl-server" {
  ami                         = data.aws_ami.ubuntu.id
  instance_type               = "t2.micro"
  key_name                    = data.aws_key_pair.existing_key_pair.key_name
  associate_public_ip_address = true
  subnet_id                   = aws_subnet.public-1.id
  vpc_security_group_ids      = [aws_security_group.allow_tls.id]

  tags = {
    Name = "kubectl"
  }
}

resource "aws_eks_node_group" "node-grp" {
  cluster_name    = aws_eks_cluster.eks.name
  node_group_name = "pc-node-group"
  node_role_arn   = aws_iam_role.worker.arn
  subnet_ids      = [aws_subnet.public-1.id, aws_subnet.public-2.id]
  capacity_type   = "ON_DEMAND"
  disk_size       = "20"
  instance_types  = ["t2.small"]

  remote_access {
    ec2_ssh_key               = data.aws_key_pair.existing_key_pair.key_name
    source_security_group_ids = [aws_security_group.allow_tls.id]
  }

  labels = tomap({ env = "dev" })

  scaling_config {
    desired_size = 2
    max_size     = 3
    min_size     = 1
  }

  update_config {
    max_unavailable = 1
  }

  depends_on = [
    aws_iam_role_policy_attachment.AmazonEKSWorkerNodePolicy,
    aws_iam_role_policy_attachment.AmazonEKS_CNI_Policy,
    aws_iam_role_policy_attachment.AmazonEC2ContainerRegistryReadOnly,
    #aws_subnet.pub_sub1,
    #aws_subnet.pub_sub2,
  ]
}