Logstash跟es加密通信
前提条件,es集群内部各节点已开启https访问,集群也已开启x-pack安全功能,并设置了系统默认的用户密码等,具体操作详见:https://www.cnblogs.com/sanduzxcvbnm/p/12046640.html
- 在ES节点上创建logstash_write_role角色
方法一:使用 Kibana Roles UI(Kibana 角色 UI)创建:
方法二:使用 Kibana Dev Tools(Kibana 开发工具)标签卡中的 API 创建:
POST /_security/role/logstash_write_role { "cluster": [ "monitor", "manage_index_templates" ], "indices": [ { "names": [ "logstash*" ], "privileges": [ "write", "create_index" ], "field_security": { "grant": [ "*" ] } } ], "run_as": [], "metadata": {}, "transient_metadata": { "enabled": true } } # 返回结果 {"role":{"created":true}}
分配至此角色的用户将无法删除任何文档。此角色存在限制:只有用户在索引中以 logstash 或索引文档开始时,此角色才允许用户创建索引。
ILM 用户注意事项: 要使 logstash_writer_role 与索引生命周期管理 (ILM)(在 7.3+ 中默认启用)协同工作,必须包含以下权限:
"privileges": ["write","create","delete","create_index","manage","manage_ilm"]
- 创建 logstash_writer 用户(请为用户 logstash_writer 更改密码)
方法一:使用 Kibana Users UI(Kibana 用户 UI)创建:
方法二:使用 Kibana Dev Tools(Kibana 开发工具)标签卡中的 API 创建:
POST /_security/user/logstash_writer { "username": "logstash_writer", "roles": [ "logstash_write_role" ], "full_name": null, "email": null, "password": "", "enabled": true } # 返回结果 {"user":{"created":true}} # 修改用户密码,官方地址:https://www.elastic.co/guide/en/elasticsearch/reference/7.5/security-api-change-password.html POST /_security/user/logstash_writer/_password { "password": "logstash_writer" }
- 在es集群节点上为logstash使用ssl创建证书
可以参考这个文档,地址:https://www.cnblogs.com/sanduzxcvbnm/p/12055038.html
假设所需要的证书都在这个路径下:
ll /etc/logstash/certs
- 配置 logstash.yml
# grep -v '^#' logstash.yml node.name: 192.168.75.20 path.data: /var/lib/logstash path.config: /etc/logstash/conf.d/*.conf path.logs: /var/log/logstash xpack.monitoring.enabled: true xpack.monitoring.elasticsearch.username: logstash_system # 根据实际情况而定,系统自带用户,不是上一步创建的用户 xpack.monitoring.elasticsearch.password: changeme # 根据实际情况而定 xpack.monitoring.elasticsearch.hosts: ["https://192.168.75.21:9200", "https://192.168.75.22:9200","https://192.168.75.23:9200"] # 根据实际情况而定 xpack.monitoring.elasticsearch.ssl.certificate_authority: "/etc/logstash/certs/ca.pem" # 根据实际情况而定
- 创建并配置 conf.d/example.conf
官方文档:https://www.elastic.co/guide/en/logstash/7.5/plugins-outputs-elasticsearch.html
https://www.elastic.co/guide/en/logstash/7.5/ls-security.html
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