Packer Ubuntu

ubuntu-iso.json

{
"builders": [

        {
        "type": "virtualbox-iso",
        "name": "acm-packer-1",
        "guest_os_type": "Ubuntu_64",
        "iso_url": "./ubuntu-18.04.1-server-amd64.iso",
        "iso_checksum": "a5b0ea5918f850124f3d72ef4b85bda82f0fcd02ec721be19c1a6952791c8ee8",
        "iso_checksum_type": "sha256",
        "ssh_username": "packer",
        "ssh_password": "packer",
        "ssh_wait_timeout": "10000s",
        "boot_wait": "5s",
        "boot_command":
        [
                "<esc><esc><enter><wait>",
                "/install/vmlinuz noapic ",
                "debian-installer=en_US auto locale=en_US.UTF-8 kbd-chooser/method=us ",
                "preseed/file=/floppy/preseed-desktop.cfg ",
                "hostname=acm-packer ",
                "fb=false debconf/frontend=noninteractive ",
                "keyboard-configuration/modelcode=SKIP keyboard-configuration/layout=USA ",
                "keyboard-configuration/variant=USA console-setup/ask_detect=false ",
                "passwd/user-fullname=packer ",
                "passwd/username=packer ",
                "passwd/user-password=packer ",
                "passwd/user-password-again=packer ",
                "initrd=/install/initrd.gz -- <enter>"
        ],
        "floppy_files": [
        "preseed-desktop.cfg"
        ],

        "shutdown_command": "echo 'packer' | sudo -S shutdown -P now",

        "vboxmanage": [
                [
                  "modifyvm", "{{.Name}}", "--nictype1", "virtio"
                ],
                [
                  "modifyvm", "{{.Name}}", "--memory", "4096"
                ],
                [
                  "modifyvm", "{{.Name}}", "--vram", "128"
                ],
                [
                  "modifyvm", "{{.Name}}", "--cpus", "2"
                ]
        ]
        }
],
"provisioners": [
        {
                "type": "shell",
                "inline": ["echo 'packer' | sudo -S -- sh -c 'apt-get update && apt-get dist-upgrade -y'"]
        }
]
}