[jira] [Updated] (AMBARI-19087) Clean up how dfs.cluster.administrators is handled wrt user/group creation

["Andrew Onischuk (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-19087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Onischuk updated AMBARI-19087:
-------------------------------------
    Attachment: AMBARI-19087.patch

> Clean up how dfs.cluster.administrators is handled wrt user/group creation
> --------------------------------------------------------------------------
>
>                 Key: AMBARI-19087
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19087
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Andrew Onischuk
>            Assignee: Andrew Onischuk
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-19087.patch
>
>
> dfs.cluster.administrators handles values of the following format:
>     
>     
>     CL for the admins, this configuration is used to control who can access the default servlets in the namenode, etc. The value should be a comma separated list of users and groups. The user list comes first and is separated by a space followed by the group list, e.g. "user1,user2 group1,group2". Both users and groups are optional, so "user1", " group1", "", "user1 group1", "user1,user2 group1,group2" are all valid (note the leading space in " group1"). '*' grants access to all users and groups, e.g. '*', '* ' and ' *' are all valid. 
>     
> Ambari cannot handle * value correctly it will try to create a group or user
> named '*'.  
> Also Ambari cannot correctly create groups if there are multiple spaces
> instead of one.



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