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X-Pack是什么
X-pack是elasticsearch的一个扩展包，将安全，警告，监视，图形和报告功能捆绑在一个易于安装的软件包中，虽然x-pack被设计为一个无缝的工作，但是你可以轻松的启用或者关闭一些功能。
主要分一下步骤
1、修改x-pack-core-7.14.2.jar
拷贝ES目录下 ./modules/x-pack-core/x-pack-core-7.14.2.jar 文件并解压
解压之后找到一下两个文件
x-pack-core-7.14.2.jar/org/elasticsearch/license/LicenseVerifier.class
x-pack-core-7.14.2.jar/org/elasticsearch/xpack/core/XPackBuild.class
用以下两个java文件重新编译之后替换
创建以下两个java文件
LicenseVerifier.java
package org.elasticsearch.license;/*** * Responsible for verifying signed licenses* */
public class LicenseVerifier {/*** * verifies the license content with the signature using the packaged* * public key* * @param license to verify* * @return true if valid, false otherwise* */public static boolean verifyLicense(final License license, byte[] publicKeyData) {return true;}public static boolean verifyLicense(final License license) {return true;}
}
XPackBuild.java
package org.elasticsearch.xpack.core;
import org.elasticsearch.common.SuppressForbidden;
import org.elasticsearch.common.io.PathUtils;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;public class XPackBuild {public static final XPackBuild CURRENT;static {CURRENT = new XPackBuild("Unknown", "Unknown");}/*** * Returns path to xpack codebase path* */@SuppressForbidden(reason = "looks up path of xpack.jar directly")static Path getElasticsearchCodebase() {URL url = XPackBuild.class.getProtectionDomain().getCodeSource().getLocation();try {return PathUtils.get(url.toURI());} catch (URISyntaxException bogus) {throw new RuntimeException(bogus);}}private String shortHash;private String date;XPackBuild(String shortHash, String date) {this.shortHash = shortHash;this.date = date;}public String shortHash() {return shortHash;}public String date() {return date;}
}
拷贝以上两个java文件到es主目录
进入es主目录执行
javac -cp lib/elasticsearch-7.14.2.jar:modules/x-pack-core/x-pack-core-7.14.2.jar LicenseVerifier.java
javac -cp lib/elasticsearch-7.14.2.jar:lib/lucene-core-8.9.0.jar:modules/x-pack-core/x-pack-core-7.14.2.jar:lib/elasticsearch-core-7.14.2.jar XPackBuild.java
会生成两个新的class文件
LicenseVerifier.class
XPackBuild.class
分别替换
x-pack-core-7.14.2.jar/org/elasticsearch/license/LicenseVerifier.class
x-pack-core-7.14.2.jar/org/elasticsearch/xpack/core/XPackBuild.class
重新压缩成jar包x-pack-core-7.14.2.jar
替换./modules/x-pack-core/x-pack-core-7.14.2.jar
重启ES
去官网(https://license.elastic.co/registration)申请license后，下载下来是个JSON文件
主要替换两处 type 修改为 platinum （白金版）
expiry_date_in_millis 修改时间长一点2524579200999
{"license": {"uid": "f2f4a18c-f841-4b42-a2f6-26dfc577009e","type": "platinum","issue_date_in_millis": 1700697600000,"expiry_date_in_millis": 2524579200999,"max_nodes": 100,"issued_to": "hong hong (llll)","issuer": "Web Form","signature": "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","start_date_in_millis": 1700697600000}
}
修改完之后在kibana页面上传新的许可证
或者通过命令行之后
curl -u elastic:密码 -XPUT 'https://127.0.0.1:9200/_xpack/license' -H "Content-Type: application/json" -d @license.json
返回 {“acknowledged”:true,“license_status”:“valid”} 就表示更改许可证成功 。