# File lib/deltacloud/drivers/rhevm/rhevm_client.rb, line 105
    def cluster_version?(cluster_id, major)
      headers = {
        :content_type => 'application/xml',
        :accept => 'application/xml'
      }
      headers.merge!(auth_header)
      result_xml = Nokogiri::XML(RHEVM::client(@api_entrypoint)["/clusters/%s" % cluster_id].get(headers))
      (result_xml/'/cluster/version').first[:major].strip == major
    end