code: def route_to_cluster(cluster_name: str) -> dict:
      return {
          "timeout": "0s",
          "cluster": cluster_name,
          "auto_host_rewrite": True,
          "append_x_forwarded_host": True,
      }
  
file_path: hail/ci/ci/envoy.py
imports: import os
  import sys
  from typing import Dict, List
  import yaml
label_desc: Use image node_id 7 for calling a global function with example usage: route_to_cluster(cluster_name) and returns: dict