#!/usr/bin/env ruby
require 'trollop'
require 'rbvmomi'
require 'rbvmomi/trollop'

VIM = RbVmomi::VIM

opts = Trollop.options do
  banner <<-EOS
Create a VM.

Usage:
    create_vm.rb [options]

VIM connection options:
    EOS

    rbvmomi_connection_opts

    text <<-EOS

VM location options:
    EOS

    rbvmomi_datacenter_opt

    text <<-EOS

Other options:
  EOS
end

Trollop.die("must specify host") unless opts[:host]
vm_name = ARGV[0] or abort "must specify VM name"

vim = VIM.connect opts
dc = vim.serviceInstance.find_datacenter(opts[:datacenter]) or abort "datacenter not found"
vmFolder = dc.vmFolder
hosts = dc.hostFolder.children
rp = hosts.first.resourcePool

vm_cfg = {
  :name => vm_name,
  :guestId => 'otherGuest',
  :files => { :vmPathName => '[datastore1]' },
  :numCPUs => 1,
  :memoryMB => 128,
  :deviceChange => [
    {
      :operation => :add,
      :device => VIM.VirtualLsiLogicController(
        :key => 1000,
        :busNumber => 0,
        :sharedBus => :noSharing
      )
    }, {
      :operation => :add,
      :fileOperation => :create,
      :device => VIM.VirtualDisk(
        :key => 0,
        :backing => VIM.VirtualDiskFlatVer2BackingInfo(
          :fileName => '[datastore1]',
          :diskMode => :persistent,
          :thinProvisioned => true
        ),
        :controllerKey => 1000,
        :unitNumber => 0,
        :capacityInKB => 4000000
      )
    }, {
      :operation => :add,
      :device => VIM.VirtualE1000(
        :key => 0,
        :deviceInfo => {
          :label => 'Network Adapter 1',
          :summary => 'VM Network'
        },
        :backing => VIM.VirtualEthernetCardNetworkBackingInfo(
          :deviceName => 'VM Network'
        ),
        :addressType => 'generated'
      )
    }
  ],
  :extraConfig => [
    {
      :key => 'bios.bootOrder',
      :value => 'ethernet0'
    }
  ]
}

vmFolder.CreateVM_Task(:config => vm_cfg, :pool => rp).wait_for_completion
