[jira] [Assigned] (AMBARI-20877) Custom RM principal causes zookeeper HA state store to be inaccessible

["Robert Levas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-20877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Levas reassigned AMBARI-20877:
-------------------------------------

    Assignee: Attila Magyar

> Custom RM principal causes zookeeper HA state store to be inaccessible
> ----------------------------------------------------------------------
>
>                 Key: AMBARI-20877
>                 URL: https://issues.apache.org/jira/browse/AMBARI-20877
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-shell
>    Affects Versions: 2.5.0
>         Environment: Ambari 2.5 with HDP 2.6
>            Reporter: Robert Ketcherside
>            Assignee: Attila Magyar
>              Labels: security
>
> HDP 2.6 stack introduced settings for ACLs on the Yarn Resource Manager HA state store. In `yarn-site/yarn.resourcemanager.zk-acl` the ACL user is set to `rm`. 
> If this user name does not match the primary component of the Yarn RM Kerberos principal in `yarn-site/yarn.resourcemanager.principal`, then Yarn is unable to access the state store and RM will stop immediately after start.
> During the Kerberos wizard there needs to be a check to see if these settings are out of sync. Or, the zk-acl setting needs to somehow reference the principal and extract the primary root through a variable.



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