code: def _get_odb(
      repo,
      settings,
      fs=None,
      prefix: Optional[Tuple[str, ...]] = None,
      hash_name: Optional[str] = None,
      **kwargs,
  ):
      from dvc.fs import get_cloud_fs
  
      if not settings:
          return None
  
      cls, config, fs_path = get_cloud_fs(repo.config, **settings)
      fs = fs or cls(**config)
      if prefix:
          fs_path = fs.join(fs_path, *prefix)
      if hash_name:
          config["hash_name"] = hash_name
      return get_odb(fs, fs_path, state=repo.state, **config)
  
file_path: dvc/dvc/cachemgr.py
imports: import os
  from typing import TYPE_CHECKING, Optional, Tuple
  from dvc.fs import GitFileSystem, Schemes
  from dvc_data.hashfile.db import get_odb
  from dvc_data.hashfile.hash import DEFAULT_ALGORITHM
label_desc: Use image node_id 1 for calling a global function with example usage: _get_odb(repo, settings, fs, prefix, hash_name) and returns: get_odb, None