docs: def config():
      '''
      Return the grains set in the grains file
      '''
      if 'conf_file' not in __opts__:
          return {}
      if os.path.isdir(__opts__['conf_file']):
          if salt.utils.platform.is_proxy():
              gfn = os.path.join(
                      __opts__['conf_file'],
                      'proxy.d',
                      __opts__['id'],
                      'grains'
                      )
          else:
              gfn = os.path.join(
                      __opts__['conf_file'],
                      'grains'
                      )
      else:
          if salt.utils.platform.is_proxy():
              gfn = os.path.join(
                      os.path.dirname(__opts__['conf_file']),
                      'proxy.d',
                      __opts__['id'],
                      'grains'
                      )
          else:
              gfn = os.path.join(
                      os.path.dirname(__opts__['conf_file']),
                      'grains'
                      )
      if os.path.isfile(gfn):
          log.debug('Loading static grains from %s', gfn)
          with salt.utils.files.fopen(gfn, 'rb') as fp_:
              try:
                  return salt.utils.data.decode(salt.utils.yaml.safe_load(fp_))
              except Exception:
                  log.warning("Bad syntax in grains file! Skipping.")
                  return {}
      return {}