code: def get_workdir():
      workspace = os.getenv("HDFS_WORKSPACE")
      return "hdfs://%s%s" % (hadoop_namenode(), workspace)
  
file_path: h2o-3/h2o-hadoop-common/tests_fault_tolerance/python/fault_tolerance_utils.py
imports: import os
  import subprocess
  from subprocess import PIPE, STDOUT, CalledProcessError
label_desc: Use image node_id 2 for calling a global function with example usage: get_workdir() and returns: unknown