[jira] [Commented] (ZOOKEEPER-1422) Support _HOST substitution in JAAS configuration

["Steven Willis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13931873#comment-13931873 ] 

Steven Willis commented on ZOOKEEPER-1422:
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[~phunt], I believe the functionality in HADOOP-8381 was what [~thw] was referencing. However, last time I checked, (which was a while ago) this functionality was not available in the zookeeper jaas configuration, only in the hadoop '*-site.xml' configuration files. Did the change introduced in HADOOP-8381 make the _HOST substitution more widely available?

> Support _HOST substitution in JAAS configuration 
> -------------------------------------------------
>
>                 Key: ZOOKEEPER-1422
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1422
>             Project: ZooKeeper
>          Issue Type: Improvement
>    Affects Versions: 3.4.0
>            Reporter: Thomas Weise
>
> At the moment a JAAS configuration file needs to be created with the Kerberos principal specified as user/host. It would be much easier for deployment automation if the host portion could be resolved at startup time, as supported in Hadoop (something like user/_HOST instead of user/hostname). A configuration alternative to global JAAS conf would be even better (via direct properties in zoo.cfg?).



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