【centos7】rpm安装ES集群

概要

  本方案基于CentOS Linux release 7.6.1810 (Core)实践并编制，理论上兼容全部RHEL(红帽系)Red Hat Enterprise Linux (RHEL) 7系统及基于该发行版的衍生发行版。原生兼容Springboot2.7.x。方案接纳rpm包三节点摆设方式。

免责声明: 文档中全部IP仅为vmware假造机中绑定的ip。
安装步骤

准备三台呆板。
操作步骤

三节点实行。

从官网下载得到 elasticsearch-7.17.20-x86_64.rpm (适配SpringBoot 2.7.3) elasticsearch-analysis-ik-7.17.18.zip

rpm -ivh elasticsearch-7.17.20-x86_64.rpm

mkdir /usr/share/elasticsearch/plugins/ik

unzip elasticsearch-analysis-ik-7.17.18.zip -d /usr/share/elasticsearch/plugins/ik

rm -rf /var/lib/elasticsearch  默认安装后生成，未运行前为空目录

找个大的目录做一下软连接 mkdir /data/elasticsearch/ ln -s  /data/elasticsearch/  /var/lib/elasticsearch chmod 777 -R /var/lib/elasticsearch chmod 777 -R  /data/elasticsearch

vim /usr/share/elasticsearch/plugins/ik/plugin-descriptor.properties 修改 elasticsearch.version=7.17.20  本来7.17.18 修改20即可，兼容

主节点实行:

集群版修改方式: vim /etc/elasticsearch/elasticsearch.yml (记得保存) cluster.name: es-cluster node.name: node-1 network.host: xxx.xxx.xxx.xxx   具体呆板ip discovery.seed_hosts: ["xxx.xxx.200.52", "xxx.xxx.201.52", "xxx.xxx.202.52"] 具体呆板ip xpack.security.enabled: true  开启认证 xpack.security.transport.ssl.enabled: true xpack.security.transport.ssl.verification_mode: certificate xpack.security.transport.ssl.keystore.path: elastic-certificates.p12 xpack.security.transport.ssl.truststore.path: elastic-certificates.p12 cluster.initial_master_nodes: ["node-1"] 集群初始化节点

systemctl start elasticsearch

开启节点间加密传输 /usr/share/elasticsearch/bin/elasticsearch-certutil ca 回车两次,集群间都在内网，可以不使用证书密码。 /usr/share/elasticsearch/bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12 回车三次 cp /usr/share/elasticsearch/elastic-certificates.p12 /etc/elasticsearch/ chmod 777 /etc/elasticsearch/elastic-certificates.p12

主节点向从节点发送数据 scp /etc/elasticsearch/elasticsearch.yml root@xxx.xxx.201.52:/etc/elasticsearch/ scp /etc/elasticsearch/elasticsearch.yml root@xxx.xxx.202.52:/etc/elasticsearch/ scp /etc/elasticsearch/elastic-certificates.p12 root@xxx.xxx.201.52:/etc/elasticsearch/ scp /etc/elasticsearch/elastic-certificates.p12 root@xxx.xxx.202.52:/etc/elasticsearch/

*******************仅主节点实行******************** 创建用户 /usr/share/elasticsearch/bin/elasticsearch-setup-passwords interactive y 重复 输入密码

systemctl enable elasticsearch.service

从节点实行

vim /etc/elasticsearch/elasticsearch.yml (记得保存) 修改node.name 为node-2和node-3 修改node.host为从节点实际的ip 如xxx.xxx.201.52 删除 cluster.initial_master_nodes

systemctl start elasticsearch

验证 浏览器访问 http://xxx.xxx.200.52:9200/_cat/nodes?v  换成具体ip 得到

同义词近义词设置

mkdir /etc/elasticsearch/analysis/
touch synonym.txt

备注: 这里xpack认证证书没有加密，如需加密，参考:
https://juejin.cn/post/7079955586330132487

其他参考文章:
Elasticesrch-7.17.7集群摆设和设置 - zifuy 的个人博客
https://blog.51cto.com/u_14555/10608318
Elasticsearch 安装设置集群系统 - Song`s Blog
Elasticsearch v8.3.3使用rpm包安装集群_elasticsearch rpm包下载-CSDN博客
Elk7.17.2集群带xpack_rpm摆设es7.17并设置xpack-CSDN博客

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