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