[jira] Updated: (HDFS-994) Provide methods for obtaining delegation token from Namenode for hftp and other uses

["Jakob Homan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakob Homan updated HDFS-994:
-----------------------------

    Attachment: HDFS-994.patch

Patch for review.  Manually tested in secure environment, which works fine except for the webservice interface, since we don't yet have kerberos-authed webinteraction.  However, did fail in the correct way.

> Provide methods for obtaining delegation token from Namenode for hftp and other uses
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-994
>                 URL: https://issues.apache.org/jira/browse/HDFS-994
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: HDFS-994.patch
>
>
> In hftp, destination clusters will require an RPC-version-agnostic means of obtaining delegation tokens from the source cluster. The easiest method is provide a webservice to retrieve a token over http.  This can be encrypted via SSL (backed by Kerberos, done in another JIRA), providing security for cross-cluster hftp operations.

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