Elasticsearch:Connect to an Alibaba Cloud Elasticsearch cluster

// This example uses Go 1.19.1.
package main

import (
  "log"
  "github.com/elastic/go-elasticsearch/v7"
)

func main() {
  cfg := elasticsearch.Config {
    Addresses: []string{
      "<YourEsHost>",
    },
    Username: "<UserName>",
    Password: "<YourPassword>",
  }

  es, err := elasticsearch.NewClient(cfg)
  if err != nil {
    log.Fatalf("Error creating the client: %s", err)
  }

  res, err := es.Info()
  if err != nil {
    log.Fatalf("Error getting response: %s", err)
  }

  defer res.Body.Close()
  log.Println(res)
}

// This example uses High Level REST Client V6.7.
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;

import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.client.*;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class RestClientTest67 {

    private static final RequestOptions COMMON_OPTIONS;

    static {
        RequestOptions.Builder builder = RequestOptions.DEFAULT.toBuilder();

        // The default cache limit is 100 MB. This example changes the value to 30 MB.
        builder.setHttpAsyncResponseConsumerFactory(
                new HttpAsyncResponseConsumerFactory
                        .HeapBufferedResponseConsumerFactory(30 * 1024 * 1024));
        COMMON_OPTIONS = builder.build();
    }

    public static void main(String[] args) {
        // Alibaba Cloud Elasticsearch clusters require basic authentication.
        final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
       // Use the username and password that you configured when you created the Alibaba Cloud Elasticsearch cluster. They are also the logon credentials for the Kibana console.
        credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("<UserName>", "<YourPassword>"));

        // Use a builder to create a REST client and configure the HttpClientConfigCallback of the HTTP client.
       // To obtain the cluster endpoint, click the ID of your Elasticsearch cluster and go to the Basic Information page.
        RestClientBuilder builder = RestClient.builder(new HttpHost("<YourEsHost>", 9200, "http"))
                .setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {
                    @Override
                    public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
                        return httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
                    }
                });

        // A RestHighLevelClient instance is built using a REST low-level client builder.
        RestHighLevelClient highClient = new RestHighLevelClient(builder);

        try {
            // Create a request.
            Map<String, Object> jsonMap = new HashMap<>();
           jsonMap.put("<YourEsField1>", "<YourEsFieldValue1>");
           jsonMap.put("<YourEsField2>", "<YourEsFieldValue2>");
           IndexRequest indexRequest = new IndexRequest("<YourEsIndex>", "<YourEsType>", "<YourEsId>").source(jsonMap);

            // Synchronously execute the request and use custom request options (COMMON_OPTIONS).
            IndexResponse indexResponse = highClient.index(indexRequest, COMMON_OPTIONS);

            long version = indexResponse.getVersion();

            System.out.println("Index document successfully! " + version);

            highClient.close();

        } catch (IOException ioException) {
            // Handle exceptions.
        }
    }
}

<?php
require 'vendor/autoload.php';
use Elasticsearch\ClientBuilder;

$client = ClientBuilder::create()->setHosts([
  [
    'host'   => '<YourEsHost>',
    'port'   => '9200',
    'scheme' => 'http',
    'user'   => '<UserName>',
    'pass'   => '<YourPassword>'
  ]
])->setConnectionPool('\Elasticsearch\ConnectionPool\SimpleConnectionPool', [])
  ->setRetries(10)->build();

$indexParams = [
  'index'  => '<YourEsIndex>',
  'type'   => '<YourEsType>',
  'id'     => '<YourEsId>',
  'body'   => ['<YourEsField>' => '<YourEsFieldValue>'],
  'client' => [
    'timeout'         => 10,
    'connect_timeout' => 10
  ]
];
$indexResponse = $client->index($indexParams);
print_r($indexResponse);

$searchParams = [
  'index'  => '<YourEsIndex>',
  'type'   => '<YourEsType>',
  'body'   => [
    'query' => [
      'match' => [
        '<YourEsField>' => '<YourEsFieldValue>'
      ]
    ]
  ],
  'client' => [
    'timeout'         => 10,
    'connect_timeout' => 10
  ]
];
$searchResponse = $client->search($searchParams);
print_r($searchResponse);
?>

from elasticsearch import Elasticsearch, RequestsHttpConnection
import certifi
es = Elasticsearch(
    ['<YourEsHost>'],
    http_auth=('<UserName>', '<YourPassword>'),
    port=9200,
    use_ssl=False
)
res = es.index(index="<YourEsIndex>", doc_type="<YourEsType>", id=<YourEsId>, body={"<YourEsField1>": "<YourEsFieldValue1>", "<YourEsField2>": "<YourEsFieldValue2>"})
res = es.get(index="<YourEsIndex>", doc_type="<YourEsType>", id=<YourEsId>)
print(res['_source'])