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https://issues.apache.org/jira/browse/AMBARI-18813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15652012#comment-15652012
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Hudson commented on AMBARI-18813:
---------------------------------

SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #291 (See 
[https://builds.apache.org/job/Ambari-branch-2.5/291/])
AMBARI-18813. Optionally force username from LDAP authentication data to 
(rlevas: 
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=25c6da026696f62554afb9a83d4e0b4f5e14fca3])
* (edit) 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/AmbariLdapBindAuthenticator.java
* (edit) 
ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java
* (edit) ambari-server/docs/configuration/index.md
* (edit) 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/LdapServerProperties.java
* (edit) 
ambari-server/src/test/java/org/apache/ambari/server/security/authorization/AmbariLdapBindAuthenticatorTest.java


> Optionally force username from LDAP authentication data to be lowercase in 
> Ambari
> ---------------------------------------------------------------------------------
>
>                 Key: AMBARI-18813
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18813
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Robert Levas
>            Assignee: Robert Levas
>              Labels: ldap
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-18813_branch-2.5_01.patch, 
> AMBARI-18813_trunk_01.patch
>
>
> Optionally force username from LDAP authentication data to be lowercase in 
> Ambari based on LDAP import configuration.
> In some cases the username declared in the relevant LDAP object is in all 
> uppercase characters when the local Hadoop cluster expects the username to be 
> all lowercase. As of Ambari 2.4.0, the username specified from the LDAP data 
> is used to override the username known to Ambari.  This overwritten data may 
> be in all uppercase characters, potentially breaking local username 
> conventions. 
> To help this scenario, provide a configuration option to force the username 
> obtained from the LDAP object to be converted to all lowercase character. 
> For example {{authentication.ldap.username.forceLowercase}}.
> This optional configuration value is to default to false to maintain current 
> functionality. 



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