实现概述：

1、查询环境A模板信息

2、获取模板信息值转换

3、同步保存至环境B

package com.jayce.boot.route.common.util;

import com.fasterxml.jackson.databind.JsonNode;
import com.google.common.collect.Lists;
import com.jayce.boot.route.common.util.superClient.JsonUtil;
import com.jayce.boot.route.common.util.superClient.SuperClientUtil;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 实现ES模板从环境A，同步到B
 *
 * @author sunjie
 * @datetime 2025/3/8 10:51
 **/
public class EsTemplateSyncUtil {
    public static void main(String[] args) {
        List<String> taskList = Lists.newArrayList("tempalte1",
                "tempalte2",
                "tempalte3");

        for (String taskNo : taskList) {
            sync(taskNo);
        }
    }

    public static Boolean sync(String templateName) {
        //查询模板
        try {
            System.out.println(">>>>>>>>>>>>>>>>>>" + templateName + " GET TEMPLATE");
            Map<String, String> header = new HashMap<>();
            header.put("Authorization", "Basic xxxxxxx");
            JsonNode jsonNode = SuperClientUtil.ipHttpGet("http://环境A:9200", "/_template/" + templateName, header);
            System.out.println(jsonNode);

            //解析参数
            Map<String, Object> map = JsonUtil.nodeToEntity(jsonNode, Map.class);
            Object paramObj = map.get(templateName);

            //同步到新环境
            Map<String, String> header2 = new HashMap<>();
            header2.put("Authorization", "Basic xxxxxxx");
            templateName = templateName.replace("*", "");
            JsonNode jsonNode2 = SuperClientUtil.ipHttpPost("http://环境B:9200", "/_template/" + templateName, JsonUtil.toJsonString(paramObj), header2);
            System.out.println("ES response:" + jsonNode2);
            System.out.println("<<<<<<<<<<<<<<<<<<" + templateName + " SYNC SUCCESS!");
        } catch (Exception e) {
            System.out.println("<<<<<<<<<<<<<<<<<<" + templateName + " SYNC FAIL!!!!!!!!");
        }
        return true;
    }
}