Exemplo n.º 1
0
  def _install_lzo_support_if_needed(self, params):
    hadoop_classpath_prefix = self._expand_hadoop_classpath_prefix(params.hadoop_classpath_prefix_template, params.config['configurations']['tez-site'])

    hadoop_lzo_dest_path = extract_path_component(hadoop_classpath_prefix, "hadoop-lzo-")
    if hadoop_lzo_dest_path:
      hadoop_lzo_file = os.path.split(hadoop_lzo_dest_path)[1]

      config = Script.get_config()
      file_url = urlparse.urljoin(config['hostLevelParams']['jdk_location'], hadoop_lzo_file)
      hadoop_lzo_dl_path = os.path.join(config["hostLevelParams"]["agentCacheDir"], hadoop_lzo_file)
      download_file(file_url, hadoop_lzo_dl_path)
      #This is for protection against configuration changes. It will infect every new destination with the lzo jar,
      # but since the classpath points to the jar directly we're getting away with it.
      if not os.path.exists(hadoop_lzo_dest_path):
        copy_file(hadoop_lzo_dl_path, hadoop_lzo_dest_path)
Exemplo n.º 2
0
  def _install_lzo_support_if_needed(self, params):
    hadoop_classpath_prefix = self._expand_hadoop_classpath_prefix(params.hadoop_classpath_prefix_template, params.config['configurations']['tez-site'])

    hadoop_lzo_dest_path = extract_path_component(hadoop_classpath_prefix, "hadoop-lzo-")
    if hadoop_lzo_dest_path:
      hadoop_lzo_file = os.path.split(hadoop_lzo_dest_path)[1]

      config = Script.get_config()
      file_url = urlparse.urljoin(config['hostLevelParams']['jdk_location'], hadoop_lzo_file)
      hadoop_lzo_dl_path = os.path.join(config["hostLevelParams"]["agentCacheDir"], hadoop_lzo_file)
      download_file(file_url, hadoop_lzo_dl_path)
      #This is for protection against configuration changes. It will infect every new destination with the lzo jar,
      # but since the classpath points to the jar directly we're getting away with it.
      if not os.path.exists(hadoop_lzo_dest_path):
        copy_file(hadoop_lzo_dl_path, hadoop_lzo_dest_path)