code: def generate_startup_file(vm_name: str) -> str:
      directory = os.path.dirname(os.path.abspath(__file__))
      startup_script_src = os.path.join(directory, "startup_script.sh")
      startup_script_dst = os.path.join(
          directory, f"{vm_name}-startup_script.sh"
      )
      assert not os.path.exists(startup_script_dst)
      with open(startup_script_src, encoding="utf8") as f:
          startup_script_content = f.read()
      for from_str, to_str in (
          ("__REPO__", FLAGS.repo),
          ("__BRANCH__", FLAGS.branch),
          ("__EXAMPLE__", FLAGS.example),
          ("__TIMESTAMP__", timestamp),
          ("__NAME__", FLAGS.name),
          ("__ARGS__", FLAGS.args),
          ("__GCS_WORKDIR_BASE__", FLAGS.gcs_workdir_base),
          ("__TFDS_DATA_DIR__", FLAGS.tfds_data_dir),
          ("__ACCELERATOR_TYPE__", FLAGS.accelerator_type),
          ("__SHUTDOWN_SECS__", str(FLAGS.shutdown_secs)),
      ):
          startup_script_content = startup_script_content.replace(
              from_str, to_str
          )
      with open(startup_script_dst, "w", encoding="utf8") as f:
          f.write(startup_script_content)
      return startup_script_dst
  
file_path: flax/examples/cloud/launch_gce.py
imports: import datetime
  import os
  import re
  import subprocess
  import time
  from typing import Sequence
  from absl import app
  from absl import flags
label_desc: Use image node_id 1 for calling a global function with example usage: generate_startup_file(vm_name) and returns: startup_script_dst