Terraform EKS submodule: eks managed node groups

Terraform EKS module: eks_managed_node_groups

• Submodule: https://registry.terraform.io/modules/terraform-aws-modules/eks/aws/latest/submodules/eks-managed-node-group
• Input: https://registry.terraform.io/modules/terraform-aws-modules/eks/aws/latest#input_eks_managed_node_groups

instance_type
instance_types

eks_managed_node_groups = {
  one = {
    name = "node-group-1"

    instance_types = ["t3.small"]

    min_size     = 1
    max_size     = 3
    desired_size = 2       # https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/faq.md#why-are-there-no-changes-when-a-node-groups-desired_size-is-modified

    pre_bootstrap_user_data = <<-EOT
    echo 'foo bar'
    EOT

    vpc_security_group_ids = [
      aws_security_group.node_group_one.id
    ]
  }

  two = {
    name = "node-group-2"

    instance_types = ["t3.medium"]

    min_size     = 1
    max_size     = 2
    desired_size = 1
 
    pre_bootstrap_user_data = <<-EOT
    echo 'foo bar'
    EOT

    vpc_security_group_ids = [
      aws_security_group.node_group_two.id
    ]
  }
}

Related

• eks-cluster.tf
• FAQ: https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/faq.md#why-are-there-no-changes-when-a-node-groups-desired_size-is-modified

taints

See also

• EKS Nodegroup, Managed Node Groups (MNG), eksctl upgrade nodegroup, aws eks [ list-nodegroups | describe-nodegroup | update-nodegroup-version | create nodegroup ]
• Terraform EKS module: manage_aws_auth_configmap, create_aws_auth_configmap, aws_auth_roles, aws_auth_users, aws_auth_accounts, module.eks, Amazon EKS Blueprints for Terraform, OIDC
• Terraform EKS: EKS module, EKS resources, EKS provider, EKS data sources