code: def connect(
      conn_str: str,
      secure: bool = False,
      metadata: List[Tuple[str, str]] = None,
      connection_retries: int = 3,
      job_config: JobConfig = None,
      namespace: str = None,
      *,
      ignore_version: bool = False,
      _credentials: Optional[
          "grpc.ChannelCredentials"
      ] = None,  # noqa: F821
      ray_init_kwargs: Optional[Dict[str, Any]] = None,
  ) -> Dict[str, Any]:
      if ray.is_connected():
          ignore_reinit_error = ray_init_kwargs.get(
              "ignore_reinit_error", False
          )
          if ignore_reinit_error:
              logger.info(
                  "Calling ray.init() again after it has already been called. "
                  "Reusing the existing Ray client connection."
              )
              return ray.get_context().client_worker.connection_info()
          raise RuntimeError(
              "Ray Client is already connected. Maybe you called "
              'ray.init("ray://<address>") twice by accident?'
          )
  
      # Enable the same hooks that RAY_CLIENT_MODE does, as calling
      # ray.init("ray://<address>") is specifically for using client mode.
      _set_client_hook_status(True)
      _explicitly_enable_client_mode()
  
      # TODO(barakmich): https://github.com/ray-project/ray/issues/13274
      # for supporting things like cert_path, ca_path, etc and creating
      # the correct metadata
      conn = ray.connect(
          conn_str,
          job_config=job_config,
          secure=secure,
          metadata=metadata,
          connection_retries=connection_retries,
          namespace=namespace,
          ignore_version=ignore_version,
          _credentials=_credentials,
          ray_init_kwargs=ray_init_kwargs,
      )
      return conn
  
file_path: ray/python/ray/util/client_connect.py
imports: from typing import Any, Dict, List, Optional, Tuple
  import logging
  from ray._private.client_mode_hook import _explicitly_enable_client_mode, _set_client_hook_status
  from ray.job_config import JobConfig
  from ray.util.annotations import Deprecated
  from ray.util.client import ray
  from ray._private.utils import get_ray_doc_version
label_desc: Use image node_id 1 for calling a global function with example usage: connect(conn_str, secure, metadata, connection_retries, job_config, namespace) and returns: conn, ray