Support _HOST substitution in JAAS configuration
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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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