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https://issues.apache.org/jira/browse/ZOOKEEPER-2843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110220#comment-16110220
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maoling commented on ZOOKEEPER-2843:
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I think making this patch as a github pull request would be better for other
people's review although very little code modification.more details in:
[mailto:https://cwiki.apache.org/confluence/display/ZOOKEEPER/HowToContribute]
> auth_to_local should support reading rules from a file
> ------------------------------------------------------
>
> Key: ZOOKEEPER-2843
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2843
> Project: ZooKeeper
> Issue Type: Improvement
> Reporter: Lionel Cons
> Attachments: ZOOKEEPER-2843.patch
>
>
> The current handling of {{zookeeper.security.auth_to_local}} in
> {{KerberosName.java}} only supports rules given directly as property value.
> These rules must therefore be given on the command line and:
> * must be escaped properly to avoid shell expansion
> * are visible in the {{ps}} output
> It would be much better to put these rules in a file and pass the file path
> as the property value. We would then use something like
> {{-Dzookeeper.security.auth_to_local=file:/etc/zookeeper/rules}}.
> Note that using the {{file:}} prefix allows keeping backward compatibility.
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