ubuntu.json

{
    "_comment": "Build with `packer build ubuntu.json`",
    "variables": {
        "cpus": "1",
        "disable_ipv6": "true",
        "disk_size": "65536",
        "headless": "true",
        "http_proxy": "{{env `http_proxy`}}",
        "https_proxy": "{{env `https_proxy`}}",
        "iso_checksum": "d1f2bf834bbe9bb43faf16f9be992a6f3935e65be0edece1dee2aa6eb1767423",
        "iso_checksum_type": "sha256",
        "iso_name": "ubuntu-20.04.2-live-server-amd64.iso",
        "iso_url": "https://releases.ubuntu.com/focal/ubuntu-20.04.2-live-server-amd64.iso",
        "memory": "1024",
        "no_proxy": "{{env `no_proxy`}}",
        "ssh_password": "vagrant",
        "ssh_username": "vagrant",
        "update": "true",
        "vagrantfile_template": "",
        "version": "0.1",
        "virtualbox_guest_os_type": "Ubuntu_64",
        "vm_name": "ubuntu-20.04"
    },
    "builders": [{
        "boot_command": [
            "<enter><enter><f6><esc><wait>",
            "autoinstall ds=nocloud-net;s=http://{{.HTTPIP}}:{{.HTTPPort}}/",
            "<enter>"
        ],
        "boot_wait": "5s",
        "disk_size": "{{user `disk_size`}}",
        "guest_additions_path": "VBoxGuestAdditions_{{.Version}}.iso",
        "guest_os_type": "{{user `virtualbox_guest_os_type`}}",
        "hard_drive_interface": "sata",
        "headless": "{{user `headless`}}",
        "http_directory": "http",
        "iso_checksum": "{{user `iso_checksum_type`}}:{{user `iso_checksum`}}",
        "iso_urls": [
            "iso/{{user `iso_name`}}",
            "{{user `iso_url`}}"
        ],
        "output_directory": "output-{{user `vm_name`}}-virtualbox-iso",
        "shutdown_command": "echo '{{user `ssh_password`}}'|sudo -S shutdown -P now",
        "ssh_handshake_attempts": "20",
        "ssh_password": "{{user `ssh_password`}}",
        "ssh_username": "{{user `ssh_username`}}",
        "ssh_pty": true,
        "ssh_timeout": "1h",
        "type": "virtualbox-iso",
        "vboxmanage": [
            ["modifyvm", "{{.Name}}", "--audio", "none"],
            ["modifyvm", "{{.Name}}", "--usb", "off"],
            ["modifyvm", "{{.Name}}", "--vram", "16"],
            ["modifyvm", "{{.Name}}", "--vrde", "off"],
            ["modifyvm", "{{.Name}}", "--nictype1", "virtio"],
            ["modifyvm", "{{.Name}}", "--memory", "{{user `memory`}}"],
            ["modifyvm", "{{.Name}}", "--cpus", "{{user `cpus`}}"]
        ],
        "virtualbox_version_file": ".vbox_version",
        "vm_name": "{{user `vm_name`}}"
    }],
    "provisioners": [{
        "environment_vars": [
            "DEBIAN_FRONTEND=noninteractive",
            "UPDATE={{user `update`}}",
            "DISABLE_IPV6={{user `disable_ipv6`}}",
            "SSH_USERNAME={{user `ssh_username`}}",
            "SSH_PASSWORD={{user `ssh_password`}}",
            "http_proxy={{user `http_proxy`}}",
            "https_proxy={{user `https_proxy`}}",
            "no_proxy={{user `no_proxy`}}"
        ],
        "execute_command": "echo '{{user `ssh_password`}}'|{{.Vars}} sudo -E -S bash '{{.Path}}'",
        "expect_disconnect": true,
        "scripts": [
            "script/update.sh",
            "script/vagrant.sh",
            "script/virtualbox.sh",
            "script/motd.sh",
            "script/minimize.sh",
            "script/cleanup.sh"
        ],
        "type": "shell"
    }],
    "post-processors": [{
        "keep_input_artifact": false,
        "output": "box/{{.Provider}}/{{user `vm_name`}}-{{user `version`}}.box",
        "type": "vagrant",
        "vagrantfile_template": "{{user `vagrantfile_template`}}"
    }]
}