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https://issues.apache.org/jira/browse/HADOOP-14229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andras Bokor updated HADOOP-14229:
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Attachment: HADOOP-14229.03.patch
[~aw],
That is true. Skipping FQDN causes super *group* access between clusters (in
the same realm).
I think here we are not intended to provide a production ready mapping it
should just be an example showing what is the basic syntax.
Anyway, your comment made me feel I should provide a bit more complex (but not
too complex) example to show the syntax of auth_to_local rules.
[^HADOOP-14229.03.patch]
> hadoop.security.auth_to_local example is incorrect in the documentation
> -----------------------------------------------------------------------
>
> Key: HADOOP-14229
> URL: https://issues.apache.org/jira/browse/HADOOP-14229
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Andras Bokor
> Assignee: Andras Bokor
> Attachments: HADOOP-14229.01.patch, HADOOP-14229.02.patch,
> HADOOP-14229.03.patch
>
>
> Let's see jhs as example:
> {code}RULE:[2:$1@$0](jhs/.*@.*REALM.TLD)s/.*/mapred/{code}
> That means principal has 2 components (jhs/myhost@REALM).
> The second column converts this to jhs@REALM. So the regex will not match on
> this since regex expects / in the principal.
> My suggestion is
> {code}RULE:[2:$1](jhs)s/.*/mapred/{code}
> https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/SecureMode.html
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