base ubuntu packer image for blog

bloggy-base.json

{
  "variables": {
    "vm_name": "bloggy-base"
  },
  "builders": [
    {
      "type": "virtualbox-iso",
      "boot_command": [
          "<esc><wait>",
          "<esc><wait>",
          "<enter><wait>",
          "/install/vmlinuz<wait>",
          " auto",
          " console-setup/ask_detect=false",
          " console-setup/layoutcode=us",
          " console-setup/modelcode=pc105",
          " debconf/frontend=noninteractive",
          " debian-installer=en_US",
          " fb=false",
          " initrd=/install/initrd.gz",
          " kbd-chooser/method=us",
          " keyboard-configuration/layout=USA",
          " keyboard-configuration/variant=USA",
          " locale=en_US",
          " netcfg/get_domain=vm",
          " netcfg/get_hostname=bloggard",
          " grub-installer/bootdev=/dev/sda",
          " noapic",
          " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg",
          " -- <wait>",
          "<enter><wait>"
      ],
      "boot_wait": "4s",
      "disk_size": 81920,
      "guest_os_type": "Ubuntu_64",
      "headless": true,
      "http_directory": "http",
      "iso_urls": [
        "packer_cache/ubuntu-18.04.1-server-amd64.iso",
        "http://cdimage.ubuntu.com/releases/bionic/release/ubuntu-18.04.1-server-amd64.iso"
      ],
      "iso_checksum_type": "sha256",
      "iso_checksum": "a5b0ea5918f850124f3d72ef4b85bda82f0fcd02ec721be19c1a6952791c8ee8",
      "ssh_username": "bloggard",
      "ssh_password": "<no-no, get your own>",
      "ssh_port": 22,
      "ssh_wait_timeout": "10000s",
      "shutdown_command": "echo 'bloggard'|sudo -S shutdown -P now",
      "virtualbox_version_file": ".vbox_version",
      "output_directory": "vms/",
      "vm_name": "{{ user `vm_name` }}",
      "vboxmanage": [
        [
          "modifyvm",
          "{{.Name}}",
          "--memory",
          "2048"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--cpus",
          "2"
        ]
      ]
    }
  ],
  "provisioners": [
      {
        "type": "file",
        "source": ".keys/bloggard.pub",
        "destination": "/tmp/bloggard.pub"
      },
      {
        "type": "shell",
        "script": "scripts/setup.sh",
        "execute_command": "echo 'bloggard' | {{.Vars}} sudo -S -E bash '{{.Path}}'"
      }
  ]
}