README.md

Elastic Client extension for Ktor

This module allows to connect to the Elastic Search on application start and use created client instance anywhere inside the Application context.

Quick start

Maven

<repositories>
    <repository>
        <id>exktor</id>
        <url>https://maven.pkg.github.com/paslavsky/exktor</url>
    </repository>
</repositories>

<dependencies>
    <dependency>
        <groupId>net.paslavsky</groupId>
        <artifactId>ktor-elastic</artifactId>
        <version>${exktor.version}</version>
    </dependency>
</dependencies>

Gradle

repositories {
    maven {
        url = uri("https://maven.pkg.github.com/paslavsky/exktor")
    }
}

dependencies {
  implementation "net.paslavsky:ktor-elastic:$exktorVersion"
}

Configure client

fun Application.module() {
    install(ElasticFeature) {
        hosts = arrayOf(HttpHost.create("http://192.168.99.100:9300"))
        defaultHeaders = arrayOf(BasicHeader("MyHeader", "MyValue"))
        failureListener = {
            // Implementation of the RestClient.FailureListener
        } 
        httpClientConfigCallback = {
            // Implementation of the RestClientBuilder.HttpClientConfigCallback
        } 
        requestConfigCallback = {
            // Implementation of the RestClientBuilder.RequestConfigCallback
        }
        pathPrefix = "..."
        nodeSelector = NodeSelector.ANY
        strictDeprecationMode = true
    }
}

Elastic client

Anywhere inside Application context you could use variable elasticSearchClient (org.elasticsearch.client.RestClient) to access to the Elastic Search cluster.