alpine.json

{
  "builders": [
    {
      "boot_command": [
        "root<enter><wait>",
        "ifconfig eth0 up \u0026\u0026 udhcpc -i eth0<enter><wait5>",
        "wget http://{{ .HTTPIP }}:{{ .HTTPPort }}/answers<enter><wait>",
        "setup-apkrepos -1<enter><wait>",
        "setup-alpine -f $PWD/answers<enter><wait>",
        "{{user `root_password`}}<enter><wait>",
        "{{user `root_password`}}<enter><wait>",
        "y<enter>",
        "<wait10><wait10>",
        "reboot<enter>",
        "<wait10><wait10><wait10>",
        "root<enter><wait5>",
        "{{user `root_password`}}<enter><wait>",
        "echo PermitRootLogin yes >> /etc/ssh/sshd_config<enter>",
        "/etc/init.d/sshd restart<enter><wait>"
      ],
      "boot_wait": "10s",
      "communicator": "ssh",
      "disk_size": "{{user `disk_size`}}",
      "format": "ova",
      "guest_additions_mode": "disable",
      "guest_os_type": "Linux26_64",
      "headless": false,
      "http_directory": "http",
      "iso_checksum": "{{user `iso_checksum_type`}}:{{user `iso_checksum`}}",
      "iso_urls": [
        "{{user `iso_local_url`}}",
        "{{user `iso_download_url`}}"
      ],
      "shutdown_command": "/sbin/poweroff",
      "ssh_password": "{{user `ssh_password`}}",
      "ssh_timeout": "10m",
      "ssh_username": "root",
      "type": "virtualbox-iso",
      "vboxmanage": [
        [
          "modifyvm",
          "{{.Name}}",
          "--memory",
          "{{user `memory`}}"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--cpus",
          "{{user `cpus`}}"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--rtcuseutc",
          "on"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--graphicscontroller",
          "vmsvga"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--vrde",
          "off"
        ]
      ],
      "vm_name": "{{user `vm_name`}}"
    }
  ],
  "description": "Build base Alpine Linux x86_64",
  "provisioners": [
    {
      "inline": [
        "echo http://dl-cdn.alpinelinux.org/alpine/v3.12/community >> /etc/apk/repositories",
        "apk update",
        "apk add sudo",
        "apk add virtualbox-guest-additions virtualbox-guest-modules-virt",
        "echo '%wheel ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/wheel",
        "user={{user `ssh_username`}}",
        "echo Add user $user with NOPASSWD sudo",
        "adduser $user --disabled-password",
        "echo '{{user `ssh_username`}}:{{user `ssh_password`}}' | chpasswd",
        "adduser $user wheel",
        "echo add ssh key",
        "cd ~{{user `ssh_username`}}",
        "mkdir .ssh",
        "chmod 700 .ssh",
        "echo {{user `ssh_key`}} > .ssh/authorized_keys",
        "chown -R $user .ssh",
        "echo disable ssh root login",
        "sed '/PermitRootLogin yes/d' -i /etc/ssh/sshd_config"
      ],
      "type": "shell"
    }
  ],
  "variables": {
    "cpus": "1",
    "disk_size": "10240",
    "iso_checksum": "fe694a34c0e2d30b9e5dea7e2c1a3892c1f14cb474b69cc5c557a52970071da5",
    "iso_checksum_type": "sha256",
    "iso_download_url": "http://dl-cdn.alpinelinux.org/alpine/v3.12/releases/x86_64/alpine-virt-3.12.0-x86_64.iso",
    "iso_local_url": "../../iso/alpine-virt-3.12.0-x86_64.iso",
    "memory": "1024",
    "root_password": "vagrant",
    "ssh_key": "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key",
    "ssh_password": "vagrant",
    "ssh_username": "vagrant",
    "vm_name": "alpine-3.12.0-x86_64"
  }
}