Script for exporting documents from an Elasticsearch index.

elasticsearch_export.py

"""
Usage: python elasticsearch_export.py > docs.ndjson
"""

import json

import elasticsearch.helpers
from elasticsearch import Elasticsearch

# =======================
# Configuration start

es_hosts = [
    "http://localhost:9200",
]

es_api_user = ''
es_api_password = ''

index_name = ''

keep_alive = '5m'

query = {"query": {"match_all": {}}}

# Configuration end
# =======================

client = Elasticsearch(es_hosts, basic_auth=(es_api_user, es_api_password))

for doc in elasticsearch.helpers.scan(client=client, index=index_name, query=query, scroll=keep_alive):
    print(json.dumps(doc))