Terraform EKS submodule: eks managed node groups

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Terraform EKS module: eks_managed_node_groups


module.eks_managed_node_group


module.eks_managed_node_group

instance_type

instance_types 

use_custom_launch_template

fargate_profiles

eks_managed_node_group_defaults

Examples

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
    ]
  }
}



module "eks_managed_node_group" {
  source = "terraform-aws-modules/eks/aws//modules/eks-managed-node-group"

  name            = "separate-eks-mng"
  cluster_name    = "my-cluster"
  cluster_version = "1.24"

  subnet_ids = ["subnet-abcde012", "subnet-bcde012a", "subnet-fghi345a"]

  // The following variables are necessary if you decide to use the module outside of the parent EKS module context.
  // Without it, the security groups of the nodes are empty and thus won't join the cluster.
  cluster_primary_security_group_id = module.eks.cluster_primary_security_group_id
  vpc_security_group_ids            = [module.eks.node_security_group_id]

  // Note: `disk_size`, and `remote_access` can only be set when using the EKS managed node group default launch template
  // This module defaults to providing a custom launch template to allow for custom security groups, tag propagation, etc.
  // use_custom_launch_template = false
  // disk_size = 50
  //
  //  # Remote access cannot be specified with a launch template
  //  remote_access = {
  //    ec2_ssh_key               = module.key_pair.key_pair_name
  //    source_security_group_ids = [aws_security_group.remote_access.id]
  //  }

  min_size     = 1
  max_size     = 10
  desired_size = 1

  instance_types = ["t3.large"]
  capacity_type  = "SPOT"

  labels = {
    Environment = "test"
    GithubRepo  = "terraform-aws-eks"
    GithubOrg   = "terraform-aws-modules"
  }
  
  [[taints]] = {
    dedicated = {
      key    = "dedicated"
      value  = "gpuGroup"
      effect = "[[NO_SCHEDULE]]"
    }
  }
  
  tags = {
    Environment = "dev"
    Terraform   = "true"
  }
 }

Related

eks_managed_node_groups Terraform submodule

See also

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