gistfile1.txt

# Interpolate the generate values
data "template_file" "kismatic_cluster" {
  template = "${file("${path.module}/user-data/kismatic-cluster.yaml.tpl")}"

  vars {
    etcd1_ip = "${digitalocean_droplet.etcd_nodes.0.ipv4_address}"
    master_loadbalancer_ip = "${digitalocean_loadbalancer.master_lb.ip}"
    master1_ip = "${digitalocean_droplet.master_nodes.0.ipv4_address}"
    master2_ip = "${digitalocean_droplet.master_nodes.1.ipv4_address}"
    worker1_ip = "${digitalocean_droplet.worker_nodes.0.ipv4_address}"
    worker2_ip = "${digitalocean_droplet.worker_nodes.1.ipv4_address}"
    worker3_ip = "${digitalocean_droplet.worker_nodes.2.ipv4_address}"
    ingress1_ip = "${digitalocean_droplet.ingress_nodes.0.ipv4_address}"
    ingress2_ip = "${digitalocean_droplet.ingress_nodes.1.ipv4_address}"
    storage1_ip = "${digitalocean_droplet.storage_nodes.0.ipv4_address}"
    storage2_ip = "${digitalocean_droplet.storage_nodes.1.ipv4_address}"
  }
}

# A bootstrap node to execute Kismatic from.
resource "digitalocean_droplet" "bootstrap_node" {
  image              = "${var.image}"
  name               = "bootstrap"
  region             = "${var.region}"
  size               = "${var.droplet_size}"
  ssh_keys           = ["${digitalocean_ssh_key.default.id}"]
  tags               = ["${digitalocean_tag.cluster_tag.id}"]
  private_networking = true

  connection {
    type        = "ssh"
    private_key = "${file("${path.module}/../ssh/cluster.pem")}"
    user        = "root"
    timeout     = "2m"
  }

  # ########################################################
  # Upload all the files and directories required.
  # ########################################################

  provisioner "file" {
    source      = "${path.module}/../ssh/cluster.pem"
    destination = "${var.install_dir}/cluster.pem"
  }

  provisioner "file" {
    content = "${data.template_file.kismatic_cluster.rendered}"
    destination = "${var.install_dir}/kismatic-cluster.yaml"
  }

  provisioner "file" {
    source      = "${path.module}/../Makefile"
    destination = "${var.install_dir}/Makefile"
  }

  provisioner "file" {
    source      = "${path.module}/user-data/${var.kismatic_tar_file}"
    destination = "${var.install_dir}/${var.kismatic_tar_file}"
  }

  provisioner "file" {
    source      = "${path.module}/user-data/bootstrap-script.sh"
    destination = "${var.install_dir}/bootstrap-script.sh"
  }

  # ########################################################
  # Execute the necessary commands to setup the cluster.
  # ########################################################

  provisioner "remote-exec" {
    inline = [
      "chmod +x /root/bootstrap-script.sh",
      "${var.install_dir}/bootstrap-script.sh args",
    ]
  }

  # Extract the Kismatic tar file and setup both Kubectl and Helm
  provisioner "remote-exec" {
    inline = [
      "tar -xvzf ${var.kismatic_tar_file}",
      "cp helm /usr/local/bin/helm",
      "cp kubectl /usr/local/bin/kubectl",
      "echo 'source <(kubectl completion bash)' >> ~/.bashrc",
      "cp kismatic /usr/local/bin/kismatic",
      "rm ${var.kismatic_tar_file}"
    ]
  }
}

gistfile2.txt

#!/bin/bash

echo "Try to speed up the apt-get install"
sudo yum update -y

echo "Upgrade and install build-essential and other necessary packages."
sudo yum update -y
sudo yum install -y make git wget nano vim bash-completion