# Elasticsearch Configuration

Environment Setup
Configuration Setup
Indexing
Checking Indexes

In this section, we will explain how to configure Elasticsearch for indexing products from the database.

# Environment Setup

Before we proceed, make sure you have Elasticsearch (opens new window) installed on your system. By default, Elasticsearch uses port 9200. We will be using the same port for our configuration.

To verify if Elasticsearch is installed successfully on your system, open your browser and navigate to http://localhost:9200. If you see the following output, it means Elasticsearch is installed:

{
  "name" : "webkul-pc",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "suPotT8zQjCOlq9dteWKyQ",
  "version" : {
    "number" : "8.6.2",
    "build_flavor" : "default",
    "build_type" : "deb",
    "build_hash" : "2d58d0f136141f03239816a4e360a8d17b6d8f29",
    "build_date" : "2023-02-13T09:35:20.314882762Z",
    "build_snapshot" : false,
    "lucene_version" : "9.4.2",
    "minimum_wire_compatibility_version" : "7.17.0",
    "minimum_index_compatibility_version" : "7.0.0"
  },
  "tagline" : "You Know, for Search"
}

Alternatively, you can use the curl command:

curl -X GET 'http://localhost:9200'

# Configuration Setup

Note

This configuration is for the latest version 2.1.0

To configure Elasticsearch, you can set the necessary value in the config/elasticsearch.php file of your project.

Default Connection: The connection key specifies the default Elasticsearch connection to use when building a client.
```
/**
 * Here you can specify the connection to use when building a client.
 */
'connection' => 'default',
```

Available Connections: You can define multiple Elasticsearch connections with different configurations under the connections array.

/**
 * These are the available connections parameters that you can use to connect
 */
'default' => [
    'hosts' => [
        env('ELASTICSEARCH_HOST', 'http://localhost:9200'),
    ],

    'user'   => env('ELASTICSEARCH_USER', null),
    'pass'   => env('ELASTICSEARCH_PASS', null),
],

API Key Authentication: You can connect with API key authentication by setting the api key instead of the user and pass keys.

'api' => [
    'hosts' => [
        env('ELASTICSEARCH_HOST', null),
    ],

    'key'   => env('ELASTICSEARCH_API_KEY', null),
],

Elasticsearch Cloud: You can connect to Elastic Cloud with the Cloud ID using the cloud key

'cloud' => [
    'id'      => env('ELASTICSEARCH_CLOUD_ID', null),

    /**
     * If you are authenticating with API KEY then set user and pass as null
     */
    'api_key' => env('ELASTICSEARCH_API_KEY', null),

    /**
     * If you are authenticating with username and password then set api_key as null
     */
    'user'    => env('ELASTICSEARCH_USER', null),
    'pass'    => env('ELASTICSEARCH_PASS', null),
],

CA Bundle: The caBundle option allows you to specify the path to the CA Bundle certificate if required for SSL/TLS connections.

/**
 * If you have the http_ca.crt certificate copied during the start of Elasticsearch
 * then the path here
 *
 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/connecting.html#auth-http
 */
'caBundle' => null,

Retries: The retries option controls the number of times the client will retry requests. By default, it retries as many times as there are nodes in the Elasticsearch cluster.

/**
 * By default, the client will retry n times, where n = number of nodes in
 * your cluster. If you would like to disable retries, or change the number,
 * you can do so here.
 *
 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/set-retries.html
 */
'retries' => null,

Not

Below are the essential configuration details for setting up Elasticsearch in version 2.0.0

To configure Elasticsearch, you can set the necessary key-value pairs in the .env file of your project.

Open the .env file and add the following lines:

ELASTICSEARCH_PORT=9200
ELASTICSEARCH_HOST=localhost

Save the file and run the following command to cache the configuration:

php artisan config:cache

Now your environment is set up and ready to index products.

If you encounter any issues, you can directly set the configuration in the config/elasticsearch.php file:

'hosts' => [
    [
        'host' => env('ELASTICSEARCH_HOST', 'localhost'),
        'port' => env('ELASTICSEARCH_PORT', 9200),
        // Additional configuration options can be added here
    ]
]

# Indexing

After setting up the environment and configuration, new products will be automatically indexed when created.

To index existing products, run the following command:

php artisan indexer:index

This command will index all the data from the product_flat table to the Elasticsearch index.

# Checking Indexes

To check if your products have been indexed successfully, open your browser and navigate to http://localhost:9200/_cat/indices?v. You should see information about the imported index.

Alternatively, you can use the curl command:

curl -X GET 'http://localhost:9200/_cat/indices?v'

The output will provide details about the product index:

Output

Product Index Information

By following these steps, you have successfully configured Elasticsearch and indexed your products.

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