[jira] [Resolved] (AMBARI-22824) Yarn/MR2 should handle a customized Zookeeper service principal name

["Sandor Molnar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-22824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sandor Molnar resolved AMBARI-22824.
------------------------------------
    Resolution: Fixed

> Yarn/MR2 should handle a customized Zookeeper service principal name
> --------------------------------------------------------------------
>
>                 Key: AMBARI-22824
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22824
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Sandor Molnar
>            Assignee: Sandor Molnar
>            Priority: Critical
>              Labels: kerberos, pull-request-available
>             Fix For: 3.0.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> Yarn and MapReduce2 should handle a customized Zookeeper service principal name.
> Currently this is not supported due to hardcoded and implicit values expecting the Zookeeper service principal name to be {{zookeeper/_HOST}} as opposed to something like {{zookeeper-mycluster/_HOST}}.
> The following changes need to be made:
>  * common-services/YARN/2.1.0.2.0/package/scripts/params_linux.py must be changed to not hardcode the Zookeeper principal name in
> {code:java}
> m_security_opts = format('-Dzookeeper.sasl.client=true -Dzookeeper.sasl.client.username=zookeeper -Djava.security.auth.login.config={yarn_jaas_file} -Dzookeeper.sasl.clientconfig=Client')
> {code}
>  * {{-Dzookeeper.sasl.client.username=<ZOOKEEPER_PRINCPAL_NAME>}} should be added to {{YARN_OPTS}}



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