wlyy2.0/starter/elasticsearch-starter/src/main/java/com/yihu/jw/elasticsearch/TestEs7.java

package com.yihu.jw.elasticsearch;

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.client.config.RequestConfig;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestClientBuilder;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.client.indices.GetIndexRequest;

/**
 * Created by yeshijie on 2022/6/15.
 */
public class TestEs7 {

    public static void main(String[] args) throws Exception{

        String host = "172.26.0.56";
        String userName = "elastic";
        String password = "elastic";

        String[] hosts = host.split(",");
        HttpHost[] httpHosts = new HttpHost[hosts.length];
        for(int i=0;i<hosts.length;i++) {
            httpHosts[i] = new HttpHost(hosts[i], 9200, "http");
        }
        //设置密码
        final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(userName, password));
        //设置超时
        RestClientBuilder builder = RestClient.builder(httpHosts).setRequestConfigCallback(new RestClientBuilder.RequestConfigCallback() {
            @Override
            public RequestConfig.Builder customizeRequestConfig(RequestConfig.Builder requestConfigBuilder) {
                requestConfigBuilder.setConnectTimeout(-1);
                requestConfigBuilder.setSocketTimeout(-1);
                requestConfigBuilder.setConnectionRequestTimeout(-1);
                return requestConfigBuilder;
            }
        }).setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {
            @Override
            public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
                httpClientBuilder.disableAuthCaching();
                return httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
            }
        });
//        }).setMaxRetryTimeoutMillis(5*60*1000);

        RestHighLevelClient restHighLevelClient = new RestHighLevelClient(builder);


        String index = "body_health_data";
        GetIndexRequest request = new GetIndexRequest(index);
        boolean exists = restHighLevelClient.indices().exists(request, RequestOptions.DEFAULT);
        System.out.println(exists);

    }
}