Class: Libvirt::Spec::Device::Disk

Inherits:

Object

• Object
• Libvirt::Spec::Device::Disk

show all

Defined in:

lib/libvirt/spec/device/disk.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) driver

  Returns the value of attribute driver.

• - (Object) driver_cache

  Returns the value of attribute driver_cache.

• - (Object) driver_type

  Returns the value of attribute driver_type.

• - (Object) serial

  Returns the value of attribute serial.

• - (Object) shareable

  Returns the value of attribute shareable.

• - (Object) source

  Returns the value of attribute source.

• - (Object) target_bus

  Returns the value of attribute target_bus.

• - (Object) target_dev

  Returns the value of attribute target_dev.

• - (Object) type

  Returns the value of attribute type.

Instance Method Summary (collapse)

• - (Disk) initialize(type) constructor

  Initialize a new disk element with the given type.

• - (Object) to_xml(xml = Nokogiri::XML::Builder.new)

  Returns the XML representation of this device.

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# File 'lib/libvirt/spec/device/disk.rb', line 20

def initialize(type)
  @type = type
  @shareable = false
end

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# File 'lib/libvirt/spec/device/disk.rb', line 12

def driver
  @driver
end

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# File 'lib/libvirt/spec/device/disk.rb', line 14

def driver_cache
  @driver_cache
end

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# File 'lib/libvirt/spec/device/disk.rb', line 13

def driver_type
  @driver_type
end

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# File 'lib/libvirt/spec/device/disk.rb', line 16

def serial
  @serial
end

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# File 'lib/libvirt/spec/device/disk.rb', line 15

def shareable
  @shareable
end

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# File 'lib/libvirt/spec/device/disk.rb', line 9

def source
  @source
end

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# File 'lib/libvirt/spec/device/disk.rb', line 11

def target_bus
  @target_bus
end

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# File 'lib/libvirt/spec/device/disk.rb', line 10

def target_dev
  @target_dev
end

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# File 'lib/libvirt/spec/device/disk.rb', line 8

def type
  @type
end

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# File 'lib/libvirt/spec/device/disk.rb', line 26

def to_xml(xml=Nokogiri::XML::Builder.new)
  xml.disk(:type => type) do |d|
    if source
      # Source tag, the attribute depends on the type.
      attribute = type == :block ? :dev : :file
      d.source(attribute => source)
    end

    if target_dev
      # Target tag has optional "bus" parameter
      options = { :dev => target_dev }
      options[:bus] = target_bus if target_bus
      d.target(options)
    end

    if driver
      # Driver tag has a couple optional parameters
      options = { :name => driver }
      options[:type] = driver_type if driver_type
      options[:cache] = driver_cache if driver_cache
      d.driver(options)
    end

    d.shareable if shareable
    d.serial serial if serial
  end

  xml.to_xml
end