ignition.json

{
  "ignition": {
    "config": {},
    "security": { "tls": {} },
    "timeouts": {},
    "version": "2.2.0"
  },
  "networkd": {},
  "passwd": {
    "users": [
      {
        "name": "core",
        "sshAuthorizedKeys": [
          "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDyFnMwB2uyD9WTI0hjjMrcVa+ez2yZzr2mHT6qOhSa5S889nD8vMFo2ucRyZgBRK/g18dsgcjqwD/2VCA3uYWZJQzadwtUYdSxrurAGI445eta9Bj6PYOVTYgzuGVCBhl1irRhBNzYAxtykTmSGIsIKCOlZ6zWkLVj3bs+8PR6FHP/kXxQKIRsj/VPRlVukespUXcnCILBZByEO5okp/4J3KF5wu0m3CuGRa+NpVVlSh88if9/kzubnZjZmNz62pLu4D/fXBhNCCPR7JvwtqxLhO39Yq67NQje1GBg1GP1ueD0H9deXnesWeUEnKaOgQjz1FBxweyVGyegddanhcWL mike@mikehamilton.ca"
        ]
      }
    ]
  },
  "storage": {
    "files": [
      {
        "filesystem": "root",
        "path": "/opt/bootstrap.sh",
        "contents": {
          "source": "https://gist.githubusercontent.com/gorbypark/04f6181fb5d464c392b2b70bdb97b7a4/raw/7da998cbc006559a0236acdbff309cee4868923e/kube.sh",
          "verification": {}
        },
        "mode": 511
      }
    ]
  },
  "systemd": {
    "units": [
      { "enabled": true, "name": "docker.service" },
      {
        "contents": "[Unit]\nDescription=Bash script to run post-installation\nConditionFirstBoot=yes\nBefore=docker.service\n[Service]\nType=oneshot\nRemainAfterExit=yes\nPreExecStart=/bin/chmod +x /opt/bootstrap.sh\nExecStart=/opt/bootstrap.sh\n[Install]\nWantedBy=default.target\n",
        "enable": true,
        "name": "firstboot.service"
      }
    ]
  }
}