IMPLEMENTATION OF ELASTICSEARCH WITH PYTHON

Installation

Use the package manager pip to install elasticsearch.

$ pip install elasticsearch

Usage

Connection and authentication of elastic cloud with python client

While connecting to Elastic cloud with python Elasticsearch client,cloud_id parameter is used which can be found within the'Manage Deployment'page after a cluster has been created and api_key which also can be created while cluster creation.

from elasticsearch import Elasticsearch
client = Elasticsearch(cloud_id="CLOUD_ID",api_key="API_KEY")

CREATE AN INDEX

client.options().indices.create(index='index_ name', ignore=400)

GETTING LIST OF ALL INDEXES

LIST OF ALL INDEXES WILL BE GENERATED.

result = client.indices.get_alias(index="*")
for Name in result:
    print(Name)

ADDING DATA IN INDEX

data = {"username":"XYZ","address":"MP"}
result = client.index(index='energy06',body=data)
print("RECORD : {}".format(result))

QUERY TO FETCH DATA

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

result = client.search(index="index_name", body=query, size=1000)
print(result)

DELETE DOCUMENTS FROM INDEX

Below query will delete a specific document or item from a particular index on the basis of _id.

client.delete(index="index_name", id="id")

DELETE AN INDEX

In order to delete a particular index the below query is used.

client.indices.delete(index='index_name')

Documentation

For the complete Elasticsearch documentation visit elastic.co