old_contents: """
  Utility functions to retrieve information about available services and setting up security for the Hops platform.
  
  These utils facilitates development by hiding complexity for programs interacting with Hops services.
  """
  
  import socket
  import subprocess
  import os
  import pydoop.hdfs as pyhdfs
  
  def register(logdir):
  
      #find free port
      s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      s.bind(('',0))
      addr, port = s.getsockname()
      s.close()
  
      #let tb bind to port
      pypath = os.getenv("PYSPARK_PYTHON")
      pydir = os.path.dirname(pypath)
  
      subprocess.Popen([pypath, "%s/tensorboard"%pydir, "--logdir=%s"%logdir, "--port=%d"%port, "--debug"])
      tb_url = "http://{0}:{1}".format(addr, port)
  
      #dump tb host:port to hdfs
      hops_user = os.environ["USER"];
      hops_user_split = hops_user.split("__");
      project = hops_user_split[0];
      pyhdfs.dump(tb_url, "hdfs:///Projects/" + project + "/Jupyter/.jupyter.tensorboard", user=hops_user)
new_contents: """
  Utility functions to retrieve information about available services and setting up security for the Hops platform.
  
  These utils facilitates development by hiding complexity for programs interacting with Hops services.
  """
  
  import socket
  import subprocess
  import os
  import pydoop.hdfs as pyhdfs
  
  def register(logdir):
  
      #find free port
      s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      s.bind(('',0))
      addr, port = s.getsockname()
      s.close()
  
      #let tb bind to port
      pypath = os.getenv("PYSPARK_PYTHON")
      pydir = os.path.dirname(pypath)
  
      subprocess.Popen([pypath, "%s/tensorboard"%pydir, "--logdir=%s"%logdir, "--port=%d"%port, "--debug"])
      host = socket.gethostname()
      tb_url = "http://{0}:{1}".format(host, port)
  
      #dump tb host:port to hdfs
      hops_user = os.environ["USER"];
      hops_user_split = hops_user.split("__");
      project = hops_user_split[0];
      pyhdfs.dump(tb_url, "hdfs:///Projects/" + project + "/Jupyter/.jupyter.tensorboard", user=hops_user)
subject: Use hostname instead of ip