Robert Joseph Evans created HADOOP-10776:
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Summary: Open up Delegation token fetching and renewal to STORM
(Possibly others)
Key: HADOOP-10776
URL: https://issues.apache.org/jira/browse/HADOOP-10776
Project: Hadoop Common
Issue Type: Improvement
Reporter: Robert Joseph Evans
Storm would like to be able to fetch delegation tokens and forward them on to
running topologies so that they can access HDFS (STORM-346). But to do so we
need to open up access to some of APIs.
Most notably FileSystem.addDelegationTokens(), Token.renew,
Credentials.getAllTokens, and UserGroupInformation but there may be others.
At a minimum adding in storm to the list of allowed API users. But ideally
making them public. Restricting access to such important functionality to just
MR really makes secure HDFS inaccessible to anything except MR, or tools that
reuse MR input formats.
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