eks worker changes

eks-demo/eks-workers.tf

@@ -12,29 +12,12 @@ data "aws_ami" "eks-worker" {
 # properly configure Kubernetes applications on the EC2 instance.
 # We utilize a Terraform local here to simplify Base64 encoding this
 # information into the AutoScaling Launch Configuration.
-# More information: https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-06-05/amazon-eks-nodegroup.yaml
+# More information: https://docs.aws.amazon.com/eks/latest/userguide/launch-workers.html
 locals {
   demo-node-userdata = <<USERDATA
-#!/bin/bash -xe
+#!/bin/bash
-
+set -o xtrace
-CA_CERTIFICATE_DIRECTORY=/etc/kubernetes/pki
+/etc/eks/bootstrap.sh --apiserver-endpoint '${aws_eks_cluster.demo.endpoint}' --b64-cluster-ca '${aws_eks_cluster.demo.certificate_authority.0.data}' '${var.cluster-name}'
-CA_CERTIFICATE_FILE_PATH=$CA_CERTIFICATE_DIRECTORY/ca.crt
-mkdir -p $CA_CERTIFICATE_DIRECTORY
-echo "${aws_eks_cluster.demo.certificate_authority.0.data}" | base64 -d >  $CA_CERTIFICATE_FILE_PATH
-INTERNAL_IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
-sed -i s,MASTER_ENDPOINT,${aws_eks_cluster.demo.endpoint},g /var/lib/kubelet/kubeconfig
-sed -i s,CLUSTER_NAME,${var.cluster-name},g /var/lib/kubelet/kubeconfig
-sed -i s,REGION,${data.aws_region.current.name},g /etc/systemd/system/kubelet.service
-sed -i s,MAX_PODS,20,g /etc/systemd/system/kubelet.service
-sed -i s,MASTER_ENDPOINT,${aws_eks_cluster.demo.endpoint},g /etc/systemd/system/kubelet.service
-sed -i s,INTERNAL_IP,$INTERNAL_IP,g /etc/systemd/system/kubelet.service
-DNS_CLUSTER_IP=10.100.0.10
-if [[ $INTERNAL_IP == 10.* ]] ; then DNS_CLUSTER_IP=172.20.0.10; fi
-sed -i s,DNS_CLUSTER_IP,$DNS_CLUSTER_IP,g /etc/systemd/system/kubelet.service
-sed -i s,CERTIFICATE_AUTHORITY_FILE,$CA_CERTIFICATE_FILE_PATH,g /var/lib/kubelet/kubeconfig
-sed -i s,CLIENT_CA_FILE,$CA_CERTIFICATE_FILE_PATH,g  /etc/systemd/system/kubelet.service
-systemctl daemon-reload
-systemctl restart kubelet
 USERDATA
 }