docs: def spark_install(self):
          """
          download and install spark
          :return:
          """
          sudo('apt-get -y install build-essential python-dev python-six \
               python-virtualenv libcurl4-nss-dev libsasl2-dev libsasl2-modules \
               maven libapr1-dev libsvn-dev zlib1g-dev')
  
          with cd('/tmp'):
              if not exists('spark.tgz'):
                  sudo('wget {0} -O spark.tgz'.format(
                      bigdata_conf.spark_download_url
                  ))
  
              sudo('rm -rf spark-*')
              sudo('tar -zxf spark.tgz')
              sudo('rm -rf {0}'.format(bigdata_conf.spark_home))
              sudo('mv spark-* {0}'.format(bigdata_conf.spark_home))