def vcpu
      cpus = entity_xml
              .hardware_section
              .cpu
              .get_rasd_content(Xml::RASD_TYPES[:VIRTUAL_QUANTITY])

      fail CloudError,
           "Uable to retrieve number of virtual cpus of VM #{name}" if cpus.nil?
      cpus.to_i
    end
def vcpu
      cpus = entity_xml
              .hardware_section
              .cpu
              .get_rasd_content(Xml::RASD_TYPES[:VIRTUAL_QUANTITY])

      fail CloudError,
           "Uable to retrieve number of virtual cpus of VM #{name}" if cpus.nil?
      cpus.to_i
    end
returns number of virtual cpus of VM