code: def indices(self, index=None, params=None):
          
          return self.transport.perform_request('GET', _make_path('_cat',
              'indices', index), params=params)
docs: The indices command provides a cross-section of each index.
          `<https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-indices.html>`_
  
          :arg index: A comma-separated list of index names to limit the returned
              information
          :arg bytes: The unit in which to display byte values, valid choices are:
              'b', 'k', 'm', 'g'
          :arg format: a short version of the Accept header, e.g. json, yaml
          :arg h: Comma-separated list of column names to display
          :arg health: A health status ("green", "yellow", or "red" to filter only
              indices matching the specified health status, default None, valid
              choices are: 'green', 'yellow', 'red'
          :arg help: Return help information, default False
          :arg local: Return local information, do not retrieve the state from
              master node (default: false)
          :arg master_timeout: Explicit operation timeout for connection to master
              node
          :arg pri: Set to true to return stats only for primary shards, default
              False
          :arg s: Comma-separated list of column names or column aliases to sort
              by
          :arg v: Verbose mode. Display column headers, default False