Method: Fog::Vcloud::Compute::Real#generate_configure_vm_disks_request

Defined in:
lib/fog/vcloud/requests/compute/configure_vm_disks.rb

#generate_configure_vm_disks_request(href, disk_data) ⇒ Object

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# File 'lib/fog/vcloud/requests/compute/configure_vm_disks.rb', line 40

def generate_configure_vm_disks_request(href, disk_data)
  xmlns = {
    "xmlns:rasd" => "http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData",
    "xmlns" => "http://www.vmware.com/vcloud/v1"
  }
  # Get the XML from the API, parse it.
  xml = Nokogiri::XML(request( :uri => href).body)

  #xml.root['name'] = vapp_data[:name]

  #disks
  real_disks = xml.xpath("//rasd:ResourceType[ .='17']/..", xmlns)
  real_disk_numbers = real_disks.map { |disk| disk.at('.//rasd:AddressOnParent', xmlns).content }
  disk_numbers = disk_data.map { |vdisk| vdisk[:"rasd:AddressOnParent"].to_s }

  if disk_data.length < real_disks.length
    #Assume we're removing a disk
    remove_disk_numbers = real_disk_numbers - disk_numbers
    remove_disk_numbers.each do |number|
      if result = xml.at("//rasd:ResourceType[ .='17']/../rasd:AddressOnParent[.='#{number}']/..", xmlns)
        result.remove
      end
    end
  elsif disk_data.length > real_disks.length
    add_disk_numbers = disk_numbers - real_disk_numbers

    add_disk_numbers.each do |number|
      new_disk = real_disks.first.dup
      new_disk.at('.//rasd:AddressOnParent', xmlns).content = number.to_i #-1
      new_disk.at('.//rasd:HostResource', xmlns)["vcloud:capacity"] = disk_data.detect { |disk| disk[:'rasd:AddressOnParent'].to_s == number.to_s }[:'rasd:HostResource'][:vcloud_capacity].to_s
      # nokogiri bug? shouldn't need to add this explicitly.
      new_disk.at('.//rasd:HostResource', xmlns)["xmlns:vcloud"] = xmlns['xmlns']
      new_disk.at('.//rasd:InstanceID', xmlns).content = (2000 + number.to_i).to_s
      new_disk.at('.//rasd:ElementName', xmlns).content = "Hard disk #{number.to_i + 1}"
      real_disks.first.parent << new_disk
    end

  end
  xml.to_s
end