import os from opensearchpy import OpenSearch OPENSEARCH_HOST = os.environ['OPENSEARCH_HOST'] def handler(event, _): client = OpenSearch( hosts=[{'host': OPENSEARCH_HOST, 'port': 443}], http_compress=True, use_ssl=True, verify_certs=True, ssl_assert_hostname=False, ssl_show_warn=False, ) client.index( index='lambda_log', body=event )