packer-node.json

{
  "builders": [
    {
      "type": "amazon-ebs",
      "region": "us-east-1",
      "access_key": "{{user `MY_ACCESS_KEY`}}",
      "secret_key": "{{user `MY_SECRET_KEY`}}",
      "source_ami_filter": {
          "filters": {
              "virtualization-type": "hvm",
              "name": "ubuntu/images/*ubuntu-focal-20.04-amd64-server-*",
              "root-device-type": "ebs"
          },
          "owners": ["099720109477"],
          "most_recent": true
      },
      "instance_type": "c5.xlarge",
      "ssh_username": "ubuntu",
      "ami_name": "compiler-explorer packer 20.04 @ {{timestamp}}",
      "tags": {"Site":  "CompilerExplorer"},
      "run_volume_tags": {"Site":  "CompilerExplorer"},
      "associate_public_ip_address": true,
      "iam_instance_profile": "XaniaBlog",
      "vpc_id": "vpc-17209172",
      "security_group_id": "sg-f53f9f80",
      "subnet_id": "subnet-1df1e135",
      "ami_block_device_mappings": [
        {
          "device_name": "/dev/sda1",
          "volume_size": 6,
          "delete_on_termination": true,
          "volume_type": "gp2"
        }
      ],
      "launch_block_device_mappings": [
        {
          "device_name": "/dev/sda1",
          "volume_size": 20,
          "delete_on_termination": true,
          "volume_type": "gp2"
        }
      ]
    }
  ],

  "variables": {
    "BRANCH": "main",
    "MY_ACCESS_KEY": "",
    "MY_SECRET_KEY": ""
  },

  "provisioners": [
    { "type": "file", "source": "packer", "destination": "/home/ubuntu/" },
    {
      "type": "shell",
      "execute_command" : "{{ .Vars }} sudo -E bash '{{ .Path }}'",
      "inline": [
        "set -euo pipefail",
        "while [ ! -f /var/lib/cloud/instance/boot-finished ]; do echo 'Waiting for cloud-init...'; sleep 1; done",
        "export DEBIAN_FRONTEND=noninteractive",
        "mkdir -p /root/.ssh",
        "cp /home/ubuntu/packer/known_hosts /root/.ssh/",
        "cp /home/ubuntu/packer/known_hosts /home/ubuntu/.ssh/",
        "rm -rf /home/ubuntu/packer",
        "apt-get -y update",
        "apt-get -y install git",
        "git clone -b {{user `BRANCH`}} https://github.com/compiler-explorer/infra.git /infra",
        "cd /infra",
        "env PACKER_SETUP=yes bash setup-node.sh 2>&1 | tee /tmp/setup.log"
      ]
    }
  ]
}