• 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"
    }
    
    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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  • 原文地址:https://www.cnblogs.com/sanduzxcvbnm/p/12058350.html
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