code: def retag(repo: str, source: str, destination: str) -> str:
      global DOCKER_PASS, DOCKER_USER
      if DOCKER_PASS is None or DOCKER_USER is None:
          get_secrets()
      assert (
          DOCKER_PASS is not None and DOCKER_USER is not None
      ), "Docker Username or Password not set()"
      return subprocess.run(
          [
              "./docker-retag",
              f"rayproject/{repo}:{source}",
              destination,
          ],
          env={"DOCKER_USER": DOCKER_USER, "DOCKER_PASS": DOCKER_PASS},
      )
  
file_path: ray/docker/retag-lambda/lambda_function.py
imports: import json
  import os
  import subprocess
  import boto3
label_desc: Use image node_id 3 for calling a global function with example usage: retag(repo, source, destination) and returns: subprocess