code: def get_log():
      """
      args:
          job_id: id of the remote job
      response:
          log: newest `LINE_NUM` lines of the log file
      """
      try:
          job_id = request.args["job_id"]
      except:
          return make_response(
              jsonify(
                  message="No job_id provided, please check your request."
              ),
              400,
          )
  
      log_dir = current_app.config.get("LOG_DIR")
      log_dir = os.path.expanduser(log_dir)
      log_file_path = os.path.join(log_dir, job_id, "stdout.log")
      if not os.path.isfile(log_file_path):
          return make_response(
              jsonify(
                  message="Log not exsits, please check your job_id"
              ),
              400,
          )
      else:
          line_num = current_app.config.get("LINE_NUM")
          linecache.checkcache(log_file_path)
          log_content = "".join(
              linecache.getlines(log_file_path)[-line_num:]
          )
          return make_response(
              jsonify(
                  message="Log exsits, content in log", log=log_content
              ),
              200,
          )
  
file_path: PARL/parl/remote/log_server.py
imports: import argparse
  import linecache
  import os
  import zmq
  from flask import Flask, current_app, jsonify, make_response, request, send_file
  from flask_cors import CORS
  from parl.remote import remote_constants
  from parl.utils import to_byte, logger
  from parl.remote.grpc_heartbeat import HeartbeatServerThread
  from parl.remote.zmq_utils import create_client_socket
label_desc: Use image node_id 1 for calling a global function with example usage: get_log() and returns: make_response, make_response, make_response