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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6944) [Herriot] Implement a functionality for getting the poxyusers path.
Date Wed, 08 Sep 2010 19:06:33 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907364#action_12907364
] 

Konstantin Boudnik commented on HADOOP-6944:
--------------------------------------------

I have went over that concept of proxy users once more and I think I have some
issues with it.

Here they are:
  - essentially the new proxyuser file doesn't have any new information to the
    mix but is simply reformat whatever is already available in the
    local-superuser-conf.xml or else
  - because this reformatting is happening manually this is error prone
  - besides it complicates Herriot configuration without any need for it
           
Instead of adding up more complexities I'd suggest to scrap the very notion of
proxyuser file and property and change the logic of the
  public ArrayList<String> getHadoopMultiUsersList()
to extract that information from configuration object. If a cluster has
proxyusers configured then you'll have to have something like this
  hadoop.proxyuser.sup_user.groups: users
  hadoop.proxyuser.sup_user.hosts: host1.domain.com,host2.domain.com
in the daemons configurations.
It'd be easy to convert this information into the list you want/need.


> [Herriot] Implement a functionality for getting the poxyusers path.
> -------------------------------------------------------------------
>
>                 Key: HADOOP-6944
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6944
>             Project: Hadoop Common
>          Issue Type: Task
>          Components: test
>            Reporter: Vinay Kumar Thota
>            Assignee: Vinay Kumar Thota
>         Attachments: HADOOP-6944.patch
>
>
> Gridmix should requires a proxy users file for impersonating jobs. So,Implement a method
for getting the proxyusers file path in AbstractDaemonCluster. 
> Method signature should be.
> public String getProxyUsersFilePath();

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