{
  "variables": {
    "HTTP_PROXY": "{{ env `HTTP_PROXY` }}",
    "HTTPS_PROXY": "{{ env `HTTPS_PROXY` }}",
    "http_proxy": "{{ env `http_proxy` }}",
    "https_proxy": "{{ env `https_proxy` }}",
    "packer_images_output_dir": "{{ template_dir }}/../../../images/ubuntu/20.04",
    "provisionning_dir": "{{ template_dir }}/../../../provisioning",
    "cpus": "2",
    "memory": "4096",
    "ubuntu_codename": "focal",
    "ubuntu_version": "20.04",
    "ubuntu_mirror": "http://archive.ubuntu.com/ubuntu/dists/",
    "ssh_username": "root",
    "ssh_password": "cadoles",
    "preseed_file_name": "preseed-minimal.cfg",
    "disk_size": "10240",
    "headless": "true",
    "vm_name": "ubuntu-{{ user `ubuntu_version` }}"
  },
  
  "builders":
  [
    {
      "name": "{{ user `vm_name` }}",
      "vm_name": "{{ user `vm_name` }}.img",
      "type": "qemu",
      "iso_checksum": "file:{{ user `ubuntu_mirror` }}{{ user `ubuntu_codename` }}-updates/main/installer-amd64/current/legacy-images/SHA256SUMS",
      "iso_urls": [ "{{ user `ubuntu_mirror` }}{{ user `ubuntu_codename` }}-updates/main/installer-amd64/current/legacy-images/netboot/mini.iso" ],
      "ssh_username": "{{ user `ssh_username` }}",
      "ssh_password": "{{ user `ssh_password` }}",
      "ssh_wait_timeout": "60m",
      "headless": "{{ user `headless` }}",
      "output_directory": "{{ template_dir }}/../../../images/ubuntu/20.04",
      "accelerator": "kvm",
      "cpus": "{{ user `cpus` }}",
      "memory": "{{user `memory`}}",
      "boot_wait": "5s",
      "boot_command":
      [
        "<tab>",
        "url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/{{ user `preseed_file_name` }} ",
        "auto=true ",
        "language=fr ",
        "country=FR ",
        "locale=fr_FR.UTF-8 ",
        "method=fr ",
        "net.ifnames=0 ",
        "hostname={{user `vm_name` }} ",
        "<enter>"
      ],
      "disk_size": "{{ user `disk_size` }}",
      "disk_additional_size": [ "10G", "20G", "30G", "40G", "50G", "60G" ],
      "http_directory": "{{template_dir}}/http"
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "scripts": [
        "{{ user `provisionning_dir` }}/ubuntu/{{ user `ubuntu_version` }}/provision-minimal.sh"
      ],
      "environment_vars": [
        "VM_NAME={{user `vm_name`}}",
        "HTTP_PROXY={{user `HTTP_PROXY`}}",
        "HTTPS_PROXY={{user `HTTPS_PROXY`}}",
        "http_proxy={{user `http_proxy`}}",
        "https_proxy={{user `https_proxy`}}"
      ]
    }
  ]
}