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ConnectingTest.java
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ConnectingTest.java
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/*
* Licensed to Elasticsearch B.V. under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch B.V. licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package co.elastic.clients.documentation.getting_started;
import co.elastic.clients.documentation.usage.Product;
import co.elastic.clients.elasticsearch.ElasticsearchClient;
import co.elastic.clients.elasticsearch.core.SearchResponse;
import co.elastic.clients.elasticsearch.core.search.Hit;
import co.elastic.clients.json.jackson.JacksonJsonpMapper;
import co.elastic.clients.transport.ElasticsearchTransport;
import co.elastic.clients.transport.TransportUtils;
import co.elastic.clients.transport.rest_client.RestClientTransport;
import org.apache.http.Header;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.message.BasicHeader;
import org.elasticsearch.client.RestClient;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import javax.net.ssl.SSLContext;
import java.io.File;
public class ConnectingTest {
@Disabled // we don't have a running ES
@Test
public void createClient() throws Exception {
//tag::create-client
// URL and API key
String serverUrl = "https://localhost:9200";
String apiKey = "VnVhQ2ZHY0JDZGJrU...";
// Create the low-level client
RestClient restClient = RestClient
.builder(HttpHost.create(serverUrl))
.setDefaultHeaders(new Header[]{
new BasicHeader("Authorization", "ApiKey " + apiKey)
})
.build();
// Create the transport with a Jackson mapper
ElasticsearchTransport transport = new RestClientTransport(
restClient, new JacksonJsonpMapper());
// And create the API client
ElasticsearchClient esClient = new ElasticsearchClient(transport);
//end::create-client
//tag::first-request
SearchResponse<Product> search = esClient.search(s -> s
.index("products")
.query(q -> q
.term(t -> t
.field("name")
.value(v -> v.stringValue("bicycle"))
)),
Product.class);
for (Hit<Product> hit: search.hits().hits()) {
processProduct(hit.source());
}
//end::first-request
}
@Disabled // we don't have a running ES
@Test
public void createSecureClientCert() throws Exception {
// Create the low-level client
String host = "localhost";
int port = 9200;
String login = "elastic";
String password = "changeme";
//tag::create-secure-client-cert
File certFile = new File("/path/to/http_ca.crt");
SSLContext sslContext = TransportUtils
.sslContextFromHttpCaCrt(certFile); // <1>
BasicCredentialsProvider credsProv = new BasicCredentialsProvider(); // <2>
credsProv.setCredentials(
AuthScope.ANY, new UsernamePasswordCredentials(login, password)
);
RestClient restClient = RestClient
.builder(new HttpHost(host, port, "https")) // <3>
.setHttpClientConfigCallback(hc -> hc
.setSSLContext(sslContext) // <4>
.setDefaultCredentialsProvider(credsProv)
)
.build();
// Create the transport and the API client
ElasticsearchTransport transport = new RestClientTransport(restClient, new JacksonJsonpMapper());
ElasticsearchClient client = new ElasticsearchClient(transport);
//end::create-secure-client-cert
}
@Disabled // we don't have a running ES
@Test
public void createSecureClientFingerPrint() throws Exception {
// Create the low-level client
String host = "localhost";
int port = 9200;
String login = "elastic";
String password = "changeme";
//tag::create-secure-client-fingerprint
String fingerprint = "<certificate fingerprint>";
SSLContext sslContext = TransportUtils
.sslContextFromCaFingerprint(fingerprint); // <1>
BasicCredentialsProvider credsProv = new BasicCredentialsProvider(); // <2>
credsProv.setCredentials(
AuthScope.ANY, new UsernamePasswordCredentials(login, password)
);
RestClient restClient = RestClient
.builder(new HttpHost(host, port, "https")) // <3>
.setHttpClientConfigCallback(hc -> hc
.setSSLContext(sslContext) // <4>
.setDefaultCredentialsProvider(credsProv)
)
.build();
// Create the transport and the API client
ElasticsearchTransport transport = new RestClientTransport(restClient, new JacksonJsonpMapper());
ElasticsearchClient client = new ElasticsearchClient(transport);
//end::create-secure-client-fingerprint
}
private void processProduct(Product p) {}
}