morpheus.controllers.elasticsearch_controller.ElasticsearchController#

class ElasticsearchController(
connection_kwargs,
raise_on_exception=False,
refresh_period_secs=2400,
)[source]#

Bases: object

ElasticsearchController to perform read and write operations using Elasticsearch service.

Parameters:
connection_kwargsdict

Keyword arguments to configure the Elasticsearch connection.

raise_on_exceptionbool, optional, default: False

Whether to raise exceptions on Elasticsearch errors.

refresh_period_secsint, optional, default: 2400

The refresh period in seconds for client refreshing.

Methods

close_client()

Close the Elasticsearch client connection.

df_to_parallel_bulk_write(index, df)

Converts DataFrames to actions and parallel bulk writes to Elasticsearch.

parallel_bulk_write(actions)

Perform parallel bulk writes to Elasticsearch.

refresh_client([force])

Refresh the Elasticsearch client instance.

search_documents(index, query, **kwargs)

Search for documents in Elasticsearch based on the given query.

close_client()[source]#

Close the Elasticsearch client connection.

df_to_parallel_bulk_write(index, df)[source]#

Converts DataFrames to actions and parallel bulk writes to Elasticsearch.

Parameters:
indexstr

The name of the index to write.

dfpd.DataFrame

DataFrame entries that require writing to Elasticsearch.

parallel_bulk_write(actions)[source]#

Perform parallel bulk writes to Elasticsearch.

Parameters:
actionslist

List of actions to perform in parallel.

refresh_client(force=False)[source]#

Refresh the Elasticsearch client instance.

Parameters:
forcebool, optional, default: False

Force a client refresh.

Returns:
bool

Returns true if client is refreshed, otherwise false.

search_documents(index, query, **kwargs)[source]#

Search for documents in Elasticsearch based on the given query.

Parameters:
indexstr

The name of the index to search.

querydict

The DSL query for the search.

**kwargs

Additional keyword arguments that are supported by the Elasticsearch search method.

Returns:
dict

The search result returned by Elasticsearch.