docs: def avail_baremetal_images(conn=None, call=None):
      '''
      Return a list of the baremetal server appliances that are on the provider
      '''
      if call == 'action':
          raise SaltCloudSystemExit(
              'The avail_baremetal_images function must be called with '
              '-f or --function'
          )
  
      if not conn:
          conn = get_conn()
  
      ret = {}
  
      for appliance in conn.list_appliances(q='BAREMETAL'):
          ret[appliance['name']] = appliance
  
      return ret