org.springframework.boot.autoconfigure.data.elasticsearch.ReactiveElasticsearchRestClientAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2020 the original author or authors.
*
* Licensed 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
*
* https://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 org.springframework.boot.autoconfigure.data.elasticsearch;
import reactor.netty.http.client.HttpClient;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.context.properties.PropertyMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.client.ClientConfiguration;
import org.springframework.data.elasticsearch.client.reactive.ReactiveElasticsearchClient;
import org.springframework.data.elasticsearch.client.reactive.ReactiveRestClients;
import org.springframework.http.HttpHeaders;
import org.springframework.util.unit.DataSize;
import org.springframework.web.reactive.function.client.ExchangeStrategies;
import org.springframework.web.reactive.function.client.WebClient;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Elasticsearch Reactive REST
* clients.
*
* @author Brian Clozel
* @since 2.2.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass({ ReactiveRestClients.class, WebClient.class, HttpClient.class })
@EnableConfigurationProperties(ReactiveElasticsearchRestClientProperties.class)
public class ReactiveElasticsearchRestClientAutoConfiguration {
@Bean
@ConditionalOnMissingBean
public ClientConfiguration clientConfiguration(ReactiveElasticsearchRestClientProperties properties) {
ClientConfiguration.MaybeSecureClientConfigurationBuilder builder = ClientConfiguration.builder()
.connectedTo(properties.getEndpoints().toArray(new String[0]));
if (properties.isUseSsl()) {
builder.usingSsl();
}
configureTimeouts(builder, properties);
configureExchangeStrategies(builder, properties);
return builder.build();
}
private void configureTimeouts(ClientConfiguration.TerminalClientConfigurationBuilder builder,
ReactiveElasticsearchRestClientProperties properties) {
PropertyMapper map = PropertyMapper.get();
map.from(properties.getConnectionTimeout()).whenNonNull().to(builder::withConnectTimeout);
map.from(properties.getSocketTimeout()).whenNonNull().to(builder::withSocketTimeout);
map.from(properties.getUsername()).whenHasText().to((username) -> {
HttpHeaders headers = new HttpHeaders();
headers.setBasicAuth(username, properties.getPassword());
builder.withDefaultHeaders(headers);
});
}
private void configureExchangeStrategies(ClientConfiguration.TerminalClientConfigurationBuilder builder,
ReactiveElasticsearchRestClientProperties properties) {
PropertyMapper map = PropertyMapper.get();
builder.withWebClientConfigurer((webClient) -> {
ExchangeStrategies exchangeStrategies = ExchangeStrategies.builder()
.codecs((configurer) -> map.from(properties.getMaxInMemorySize()).whenNonNull()
.asInt(DataSize::toBytes)
.to((maxInMemorySize) -> configurer.defaultCodecs().maxInMemorySize(maxInMemorySize)))
.build();
return webClient.mutate().exchangeStrategies(exchangeStrategies).build();
});
}
@Bean
@ConditionalOnMissingBean
public ReactiveElasticsearchClient reactiveElasticsearchClient(ClientConfiguration clientConfiguration) {
return ReactiveRestClients.create(clientConfiguration);
}
}