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From "Kihwal Lee (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2786) Fix host-based token incompatibilities in DFSUtil
Date Sat, 04 Feb 2012 00:49:53 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-2786:
-----------------------------

    Attachment: hdfs-2786.patch

I've added a method for converting name to canonical host name. It does what Vinod suggested.

Also moved a couple of the conversions out of the loop to avoid doing it unnecessarily inside
the loop. 
                
> Fix host-based token incompatibilities in DFSUtil
> -------------------------------------------------
>
>                 Key: HDFS-2786
>                 URL: https://issues.apache.org/jira/browse/HDFS-2786
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node, security
>    Affects Versions: 0.24.0, 0.23.1
>            Reporter: Daryn Sharp
>            Assignee: Kihwal Lee
>         Attachments: hdfs-2786.patch, hdfs-2786.patch
>
>
> DFSUtil introduces new static methods that duplicate functionality in NetUtils.  These
new methods lack the logic necessary for host-based tokens to work.  After speaking with Suresh,
the approach being taken is:
> * DFSUtil.getSocketAddress will be removed.  Callers will be reverted to using the NetUtils
version.
> * DFSUtil.getDFSClient will changed to take accept a uri/host:port string instead of
an InetSocketAddress.  The method will internal call NetUtils.createSocketAddr. This alleviates
the callers from being required to call NetUtils.createSocketAddr and reduce the opportunity
for error that will break host-based tokens.

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