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From "CR Hota (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14052) RBF: Use Router keytab for WebHDFS
Date Mon, 05 Nov 2018 18:52:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675589#comment-16675589
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CR Hota commented on HDFS-14052:
--------------------------------

[~elgoiri] Do you think HDFS-14051 to only have NamenodeHttpServer refactor? I clubbed both
refactoring and changing router in the same ticket HDFS-14051.

Whats your take on this?

> RBF: Use Router keytab for WebHDFS
> ----------------------------------
>
>                 Key: HDFS-14052
>                 URL: https://issues.apache.org/jira/browse/HDFS-14052
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: CR Hota
>            Priority: Major
>
> When the RouterHttpServer starts it does:
> {code}
>     NameNodeHttpServer.initWebHdfs(conf, httpAddress.getHostName(), httpServer,
>         RouterWebHdfsMethods.class.getPackage().getName());
> {code}
> This function is in the NN and is pretty generic.
> However, it then calls to NameNodeHttpServer#getAuthFilterParams, which does:
> {code}
>     String httpKeytab = conf.get(DFSUtil.getSpnegoKeytabKey(conf,
>         DFSConfigKeys.DFS_NAMENODE_KEYTAB_FILE_KEY));
> {code}
> In most cases, the regular web keytab will kick in, but we should make this a parameter
and load the Router one just in case.



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