template.json

{
  "variables": {
    "iso_file": "http://wiki.alpinelinux.org/cgi-bin/dl.cgi/v3.2/releases/x86_64/alpine-3.2.0-x86_64.iso",
    "iso_checksum_value": "6f3402e77a9ed1e7c4bc0cde974a38cd72cf2ccf",
    "product_name": "alpine",
    "product_version": "3.2.0",
    "product_arch": "amd64",
    "headless": "true",
    "disk_size": "30720",
    "ssh_password": "alpine",
    "ssh_wait_timeout": "5m",
    "shutdown_command": "poweroff"
  },
  "builders": [
    {
      "vm_name": "{{user `product_name`}}-{{user `product_version`}}-{{user `product_arch`}}",
      "vmdk_name": "{{user `product_name`}}-{{user `product_version`}}-{{user `product_arch`}}",
      "type": "vmware-iso",
      "headless": "{{user `headless`}}",
      "disk_size": "{{user `disk_size`}}",
      "disk_type_id": 0,
      "guest_os_type": "other3xlinux-64",
      "iso_url": "{{user `iso_file`}}",
      "iso_checksum": "{{user `iso_checksum_value`}}",
      "iso_checksum_type": "sha1",
      "ssh_username": "root",
      "ssh_password": "{{user `ssh_password`}}",
      "ssh_wait_timeout": "{{user `ssh_wait_timeout`}}",
      "shutdown_command": "{{user `shutdown_command`}}",
      "http_directory": "http",
      "vmx_data": {
        "cpuid.coresPerSocket": "1",
        "memsize": "512",
        "numvcpus": "1",
        "virtualhw.version": "8",
        "ethernet0.present": "TRUE",
        "ethernet0.startConnected": "TRUE",
        "ethernet0.virtualDev": "vmxnet3",
        "ethernet0.connectionType": "nat",
        "ethernet1.present": "TRUE",
        "ethernet1.startConnected": "TRUE",
        "ethernet1.virtualDev": "vmxnet3",
        "ethernet1.connectionType": "nat"
      },
      "boot_command": [
        "root<enter><wait>",
        "ifconfig eth0 up && udhcpc -i eth0<enter><wait5>",
        "wget http://{{ .HTTPIP }}:{{ .HTTPPort }}/answers<enter><wait>",
        "setup-alpine -f answers<enter><wait10>",
        "alpine<enter><wait>",
        "alpine<enter><wait10>",
        "y<enter>",
        "<wait10><wait10><wait10>",
        "/etc/init.d/sshd stop<enter><wait>",
        "eject -r<enter>",
        "reboot<enter>"
      ]
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "execute_command": "/bin/sh -x '{{.Path}}'",
      "script": "scripts/provisioning.sh"
    }
  ],
  "post-processors": [
  ]
}