packer_ubuntu18_04.json

{
  "builders": [{
    "type": "virtualbox-iso",
    "virtualbox_version_file": ".vbox_version",
    "headless": false,
    "vm_name": "packer-ubuntu18_04",

    "guest_os_type": "Ubuntu_64",
    "disk_size": 10000,

    "iso_url": "http://cdimage.ubuntu.com/releases/18.04/release/ubuntu-18.04.2-server-amd64.iso",
    "iso_checksum": "34416ff83179728d54583bf3f18d42d2",
    "iso_checksum_type": "md5",

    "boot_command": [
        "<esc><wait>",
        "<esc><wait>",
        "<enter><wait>",
        "/install/vmlinuz<wait>",
        " auto<wait>",
        " console-setup/ask_detect=false<wait>",
        " console-setup/layoutcode=us<wait>",
        " console-setup/modelcode=pc105<wait>",
        " debconf/frontend=noninteractive<wait>",
        " debian-installer=en_GB<wait>",
        " fb=false<wait>",
        " initrd=/install/initrd.gz<wait>",
        " kbd-chooser/method=uk<wait>",
        " keyboard-configuration/layout=UK<wait>",
        " keyboard-configuration/variant=UK<wait>",
        " locale=en_GB<wait>",
        " netcfg/get_domain=vm<wait>",
        " netcfg/get_hostname=vagrant<wait>",
        " grub-installer/bootdev=/dev/sda<wait>",
        " noapic<wait>",
        " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg<wait>",
        " -- <wait>",
        "<enter><wait>"
    ],
    "boot_wait": "12s",

    "http_directory": "http",
    "guest_additions_path": "VBoxGuestAdditions_{{.Version}}.iso",

    "ssh_username": "vagrant",
    "ssh_password": "vagrant",
    "ssh_port": 22,
    "ssh_wait_timeout": "10000s",

    "vboxmanage": [
      ["modifyvm", "{{.Name}}", "--memory", "512"],
      ["modifyvm", "{{.Name}}", "--cpus", "1"]
    ],

    "shutdown_command": "echo 'vagrant'|sudo -S /sbin/halt -h -p"
  }],
  "post-processors": [{
    "output": "build/ubuntu18_04.box",
    "type": "vagrant"
  }],
  "provisioners": [{
    "type": "shell",
    "execute_command": "echo 'vagrant' | {{.Vars}} sudo -S -E bash '{{.Path}}'",
    "scripts": [
        "scripts/init.sh",
        "scripts/cleanup.sh"
    ]
  }]
}