ElasticSearch之将新的节点加入用xpack加密过的现有集群中（拓展回缩加密集群）

不写具体步骤了，先把参考链接放上：

1. https://documentation.wazuh.com/3.11/installation-guide/installing-elastic-stack/protect-installation/xpack.html#:~:text=Create%20the%20certificates%20using%20the%20%EE%80%80elasticsearch-certutil%EE%80%81%20tool.%20The,a%20new%20CA%2C%20in%20consequence%20the%20previous%20

2. https://bidhankhatri.com.np/elk/add-remove-nodes-in-elasticsearch-cluster/

3. 模板yml

instances:
  - name: 'es-01'
    dns: ['es-01']
    ip: ['xxx.xxx.xxx.xxx']

  - name: 'es-02'
    dns: ['es-02']
    ip: ['xxx.xxx.xxx.xxx']

只要把这两篇文章看懂，基本就没有问题了，等抽空补充细节内容，有问题可以留言！