new-ubuntu1804.json

{
  "_comment": "Build with `packer build -var-file=ubuntu1804.json ubuntu.json`",
  "variables": {
    "boot_command_prefix": "<esc><esc><enter><wait>",
    "cpus": "1",
    "locale": "en_GB",
    "memory": "512",
    "no_proxy": "{{env `no_proxy`}}",
    "preseed" : "preseed.cfg",
    "rsync_proxy": "{{env `rsync_proxy`}}",
    "hostname": "ubuntu1804",
    "ssh_fullname": "ansible",
    "ssh_password": "ansible",
    "ssh_username": "ansible",
    "accelerator": "kvm"
  },
  "builders":
  [
    {
      "type": "qemu",
      "iso_url": "/home/tux/play/packer/ubuntu-18.04.4-server-amd64.iso",
      "iso_checksum": "e2ecdace33c939527cbc9e8d23576381c493b071107207d2040af72595f8990b",
      "iso_checksum_type": "sha256",
      "output_directory": "output_image",
      "shutdown_command": "echo '{{ user `ssh_password` }}'|sudo -S shutdown -P now",
      "disk_size": 5000,
      "format": "raw",
      "headless": true,
      "accelerator": "{{ user `accelerator` }}",
      "http_directory": "httpdir",
      "http_port_min": 10082,
      "http_port_max": 10089,
      "ssh_host_port_min": 2222,
      "ssh_host_port_max": 2229,
      "ssh_username": "{{ user `ssh_username` }}",
      "ssh_password": "{{ user `ssh_password` }}",
      "ssh_port": 22,
      "ssh_wait_timeout": "900m",
      "vm_name": "ubuntu1804.img",
      "net_device": "virtio-net",
      "disk_interface": "virtio",
      "boot_wait": "5s",
      "qemuargs": [
        [ "-m", "{{ user `memory` }}" ],
        [ "-display", "none" ],
        [ "-machine", "accel={{ user `accelerator` }}" ],
        [ "-cpu", "host" ],
        [ "-smp", "cpus={{ user `cpus`}}"]
      ],

      "boot_command":
      [
        "{{ user `boot_command_prefix` }}",
        "/install/vmlinuz noapic ",
        "file=/floppy/{{ user `preseed` }} ",
        "debian-installer={{ user `locale` }} auto locale={{ user `locale` }} kbd-chooser/method=us ",
        "hostname={{ user `hostname` }} ",
        "fb=false debconf/frontend=noninteractive ",
        "keyboard-configuration/modelcode=SKIP ",
        "keyboard-configuration/layout=gb ",
        "keyboard-configuration/variant= console-setup/ask_detect=false ",
        "passwd/user-fullname={{ user `ssh_fullname` }} ",
        "passwd/user-password={{ user `ssh_password` }} ",
        "passwd/user-password-again={{ user `ssh_password` }} ",
        "passwd/username={{ user `ssh_username` }} ",
        "initrd=/install/initrd.gz -- <enter>"
      ],
      "floppy_files": [
        "httpdir/{{ user `preseed` }}"
      ]
    }
  ]
}