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Add support for launch template and tf 0.13 (#6)
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158 changes: 158 additions & 0 deletions
158
examples/single-node-group-with-launch-template/main.tf
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,158 @@ | ||
| provider "aws" { | ||
| region = "eu-west-1" | ||
| } | ||
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| ##### | ||
| # VPC and subnets | ||
| ##### | ||
| module "vpc" { | ||
| source = "terraform-aws-modules/vpc/aws" | ||
| version = "2.48.0" | ||
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| name = "simple-vpc" | ||
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| cidr = "10.0.0.0/16" | ||
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| azs = ["eu-west-1a", "eu-west-1b", "eu-west-1c"] | ||
| private_subnets = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"] | ||
| public_subnets = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"] | ||
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| private_subnet_tags = { | ||
| "kubernetes.io/role/internal-elb" = "1" | ||
| } | ||
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| public_subnet_tags = { | ||
| "kubernetes.io/role/elb" = "1" | ||
| } | ||
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| enable_dns_hostnames = true | ||
| enable_dns_support = true | ||
| enable_nat_gateway = true | ||
| enable_vpn_gateway = true | ||
| single_nat_gateway = true | ||
| one_nat_gateway_per_az = false | ||
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| tags = { | ||
| "kubernetes.io/cluster/eks" = "shared", | ||
| Environment = "test" | ||
| } | ||
| } | ||
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| ##### | ||
| # EKS Cluster | ||
| ##### | ||
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| resource "aws_eks_cluster" "cluster" { | ||
| enabled_cluster_log_types = [] | ||
| name = "eks" | ||
| role_arn = aws_iam_role.cluster.arn | ||
| version = "1.17" | ||
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| vpc_config { | ||
| subnet_ids = flatten([module.vpc.public_subnets, module.vpc.private_subnets]) | ||
| security_group_ids = [] | ||
| endpoint_private_access = "true" | ||
| endpoint_public_access = "true" | ||
| } | ||
| } | ||
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| resource "aws_iam_role" "cluster" { | ||
| name = "eks-cluster-role" | ||
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| assume_role_policy = <<POLICY | ||
| { | ||
| "Version": "2012-10-17", | ||
| "Statement": [ | ||
| { | ||
| "Effect": "Allow", | ||
| "Principal": { | ||
| "Service": "eks.amazonaws.com" | ||
| }, | ||
| "Action": "sts:AssumeRole" | ||
| } | ||
| ] | ||
| } | ||
| POLICY | ||
| } | ||
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| resource "aws_iam_role_policy_attachment" "cluster_AmazonEKSClusterPolicy" { | ||
| policy_arn = "arn:aws:iam::aws:policy/AmazonEKSClusterPolicy" | ||
| role = aws_iam_role.cluster.name | ||
| } | ||
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| resource "aws_iam_role_policy_attachment" "cluster_AmazonEKSServicePolicy" { | ||
| policy_arn = "arn:aws:iam::aws:policy/AmazonEKSServicePolicy" | ||
| role = aws_iam_role.cluster.name | ||
| } | ||
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| ##### | ||
| # Launch Template with AMI | ||
| ##### | ||
| data "aws_ssm_parameter" "cluster" { | ||
| name = "/aws/service/eks/optimized-ami/${aws_eks_cluster.cluster.version}/amazon-linux-2/recommended/image_id" | ||
| } | ||
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| data "aws_launch_template" "cluster" { | ||
| name = aws_launch_template.cluster.name | ||
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| depends_on = [aws_launch_template.cluster] | ||
| } | ||
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| resource "aws_launch_template" "cluster" { | ||
| image_id = data.aws_ssm_parameter.cluster.value | ||
| instance_type = "t3.medium" | ||
| name = "eks-launch-template-test" | ||
| update_default_version = true | ||
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| key_name = "eks-test" | ||
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| block_device_mappings { | ||
| device_name = "/dev/sda1" | ||
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| ebs { | ||
| volume_size = 20 | ||
| } | ||
| } | ||
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| tag_specifications { | ||
| resource_type = "instance" | ||
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| tags = { | ||
| Name = "eks-node-group-instance-name" | ||
| "kubernetes.io/cluster/eks" = "owned" | ||
| } | ||
| } | ||
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| user_data = base64encode(templatefile("userdata.tpl", { CLUSTER_NAME = aws_eks_cluster.cluster.name, B64_CLUSTER_CA = aws_eks_cluster.cluster.certificate_authority[0].data, API_SERVER_URL = aws_eks_cluster.cluster.endpoint })) | ||
| } | ||
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| ##### | ||
| # EKS Node Group | ||
| ##### | ||
| module "eks-node-group" { | ||
| source = "../../" | ||
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| cluster_name = aws_eks_cluster.cluster.id | ||
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| subnet_ids = flatten([module.vpc.private_subnets]) | ||
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| desired_size = 1 | ||
| min_size = 1 | ||
| max_size = 1 | ||
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| launch_template = { | ||
| id = data.aws_launch_template.cluster.id | ||
| version = data.aws_launch_template.cluster.latest_version | ||
| } | ||
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| kubernetes_labels = { | ||
| lifecycle = "OnDemand" | ||
| } | ||
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| tags = { | ||
| "kubernetes.io/cluster/eks" = "owned" | ||
| Environment = "test" | ||
| } | ||
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| depends_on = [data.aws_launch_template.cluster] | ||
| } |
17 changes: 17 additions & 0 deletions
17
examples/single-node-group-with-launch-template/userdata.tpl
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,17 @@ | ||
| MIME-Version: 1.0 | ||
| Content-Type: multipart/mixed; boundary="==MYBOUNDARY==" | ||
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| --==MYBOUNDARY== | ||
| Content-Type: text/x-shellscript; charset="us-ascii" | ||
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| #!/bin/bash | ||
| set -ex | ||
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| exec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1 | ||
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| yum install -y amazon-ssm-agent | ||
| systemctl enable amazon-ssm-agent && systemctl start amazon-ssm-agent | ||
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| /etc/eks/bootstrap.sh ${CLUSTER_NAME} --b64-cluster-ca ${B64_CLUSTER_CA} --apiserver-endpoint ${API_SERVER_URL} | ||
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| --==MYBOUNDARY==--\ |
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