Grafana从2.1开始支持LDAP集成LDAP的统一用户登录认证。默认是LDAP是未启用，需手动更改配置使之能支持LDAP。在参考官方文档Grafana LDAP Authentication进行配置。

1. Grafana主配置文件grafana.ini中开启LDAP认证
   vim /etc/grafana/grafana.ini

   [auth.ldap]
   enabled = true
   config_file = /etc/grafana/ldap.toml
   allow_sign_up = true

2. LDAP配置/ldap.toml

   [[servers]]
   host = "10.10.10.10"
   port = 389
   use_ssl = false
   start_tls = false
   ssl_skip_verify = false
   bind_dn = "cn=ldapadmin,cn=Users,dc=hi,dc=local"
   bind_password = 'xxxxxx'
   search_filter = "(cn=%s)"
   search_base_dns = ["dc=hi,dc=local"]
   [servers.attributes]
   name = "givenName"
   surname = "sn"
   username = "cn"
   member_of = "memberOf"
   email =  "email"
   [[servers.group_mappings]]
   group_dn = "cn=admins,dc=grafana,dc=org"
   org_role = "Admin"
   [[servers.group_mappings]]
   group_dn = "cn=users,dc=grafana,dc=org"
   org_role = "Editor"
   [[servers.group_mappings]]
   group_dn = "*"
   org_role = "Viewer"

3. 查看LDAP连接
   如果ldap.toml配置正确无误，Grafana可在Server Admin查看LDAP连接情况和测试用户映射。但仅限admin管理员操作。

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