Added flush_synced API

Author: honzakral

elasticsearch/client/indices.py

@@ -954,3 +954,16 @@ def get_upgrade(self, index=None, params=None):
  _, data = self.transport.perform_request('GET', _make_path(index,
  '_upgrade'), params=params)
  return data
+
+ @query_params()
+ def flush_synced(self, index=None, params=None):
+ """
+ `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-flush.html>`_
+
+ :arg index: A comma-separated list of index names; use `_all` or empty
+ string for all indices
+ """
+ _, data = self.transport.perform_request('POST', _make_path(index,
+ '_flush', 'synced'), params=params)
+ return data
+