Class: Macinbox::Actions::CreateHDDFromImage

Inherits:
Object
  • Object
show all
Defined in:
lib/macinbox/actions/create_hdd_from_image.rb

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ CreateHDDFromImage

Returns a new instance of CreateHDDFromImage.

Raises:



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# File 'lib/macinbox/actions/create_hdd_from_image.rb', line 14

def initialize(opts)
  @input_image       = opts[:image_path]     or raise ArgumentError.new(":image_path not specified")
  @output_path       = opts[:hdd_path]       or raise ArgumentError.new(":hdd_path not specified")
  @parallels_app     = opts[:parallels_path] or raise ArgumentError.new(":parallels_path not specified")

  @collector         = opts[:collector]      or raise ArgumentError.new(":collector not specified")
  @debug             = opts[:debug]

  raise Macinbox::Error.new("input image not found")       unless File.exist? @input_image
  raise Macinbox::Error.new("Parallels Desktop not found") unless File.exist? @parallels_app
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/macinbox/actions/create_hdd_from_image.rb', line 26

def run
  @temp_dir = Task.backtick %W[ /usr/bin/mktemp -d -t create_hdd_from_image ]
  @collector.add_temp_dir @temp_dir

  Logger.info "Attaching the image..." do

    @collector.on_cleanup do
      %x( diskutil eject #{@device.shellescape} > /dev/null 2>&1 ) if @device
    end

    @device = %x(
      /usr/bin/hdiutil attach #{@input_image.shellescape} -nomount |
      /usr/bin/grep _partition_scheme |
      /usr/bin/cut -f1 |
      /usr/bin/tr -d [:space:]
    )

    raise Macinbox::Error.new("failed to attach the image") unless File.exist? @device
  end

  Logger.info "Converting the image to HDD format..." do

    disk_info = Task.backtick %W[ /usr/sbin/fdisk #{@device} ]

    geometry_re = /geometry: (\d+)\/(\d+)\/(\d+) \[(\d+) sectors\]/

    match = geometry_re.match(disk_info)

    raise Macinbox::Error.new("failed to determine disk geometry") if match.nil? || match.captures.length != 4

    device_sectors = match.captures[3]

    device_cylinders = match.captures[0]
    device_heads_per_track = match.captures[1]
    device_sectors_per_track = match.captures[2]

    bios_cylinders = 1024
    bios_heads_per_track = device_heads_per_track
    bios_sectors_per_track = device_sectors_per_track

    File.write "#{@temp_dir}/macinbox.vmdk", "      # Disk DescriptorFile\n      version=1\n      encoding=\"UTF-8\"\n      CID=fffffffe\n      parentCID=ffffffff\n      isNativeSnapshot=\"no\"\n      createType=\"monolithicFlat\"\n\n      # Extent description\n      RW \#{device_sectors} FLAT \"\#{@device}\" 0\n\n      # The Disk Data Base\n      #DDB\n\n      ddb.adapterType = \"lsilogic\"\n      ddb.deletable = \"true\"\n      ddb.geometry.biosCylinders = \"\#{bios_cylinders}\"\n      ddb.geometry.biosHeads = \"\#{bios_heads_per_track}\"\n      ddb.geometry.biosSectors = \"\#{bios_sectors_per_track}\"\n      ddb.geometry.cylinders = \"\#{device_cylinders}\"\n      ddb.geometry.heads = \"\#{device_heads_per_track}\"\n      ddb.geometry.sectors = \"\#{device_sectors_per_track}\"\n      ddb.longContentID = \"9fa218b506cfe68615c39994fffffffe\"\n      ddb.uuid = \"60 00 C2 99 91 76 dd 77-6e 0d 84 8b b0 24 6e 00\"\n      ddb.virtualHWVersion = \"14\"\n    EOF\n\n    prl_convert = \"\#{@parallels_app}/Contents/MacOS/prl_convert\"\n    task_opts = @debug ? {} : { :out => File::NULL }\n    Task.run %W[ \#{prl_convert} \#{@temp_dir}/macinbox.vmdk --allow-no-os --dst=\#{@temp_dir} ] + [task_opts]\n\n  end\n\n  Logger.info \"Moving the HDD to the destination...\" do\n    FileUtils.chown_R ENV[\"SUDO_USER\"], nil, \"\#{@temp_dir}/macinbox.hdd\"\n    FileUtils.mv \"\#{@temp_dir}/macinbox.hdd\", @output_path\n  end\n\n  Task.run %W[ /usr/sbin/diskutil eject \#{@device.shellescape} ]\n  @device = nil\n\nend\n"