main.tf

// Configure the Google Cloud provider
provider "google" {
 credentials = "${file("credentials.json")}"
 project     = "pilosa-sandbox"
 region      = "us-central1"
}

// Terraform plugin for creating random ids
resource "random_id" "instance_id" {
 byte_length = 8
}

// A single Google Cloud Engine instance
resource "google_compute_instance" "default" {
 name         = "experiment-${random_id.instance_id.hex}"
 machine_type = "n1-standard-32"
 zone         = "us-central1-c"

 boot_disk {
   initialize_params {
     image = "gce-uefi-images/ubuntu-1804-lts"
   }
 }
 // Use an existing disk resource
  scratch_disk {
    // Instance Templates reference disks by name, not self link
    interface = "NVME"
  }

// Make sure flask is installed on all new instances for later steps
 metadata_startup_script = "sudo apt-get update; sudo apt-get install -yq build-essential python-pip rsync;sudo mkfs.ext4 -F /dev/nvme0n1; sudo mkdir -p /mnt/disks/data1; sudo mount /dev/nvme0n1 /mnt/disks/data1"

 network_interface {
   network = "default"

   access_config {
     // Include this section to give the VM an external ip address
   }
 }
metadata = {
   ssh-keys = "ubuntu:${file("~/.ssh/id_rsa.pub")}"
 }
}