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From "Remus Rusanu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2458) Add file handling features to the Windows Secure Container Executor LRPC service
Date Wed, 27 Aug 2014 07:30:58 GMT
Remus Rusanu created YARN-2458:
----------------------------------

             Summary: Add file handling features to the Windows Secure Container Executor
LRPC service
                 Key: YARN-2458
                 URL: https://issues.apache.org/jira/browse/YARN-2458
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: nodemanager
            Reporter: Remus Rusanu
            Assignee: Remus Rusanu


In the WSCE design the nodemanager needs to do certain privileged operations like change file
ownership to arbitrary users or delete files owned by the task container user after completion
of the task. As we want to remove the Administrator privilege  requirement from the nodemanager
service, we have to move these operations into the privileged LRPC helper service. 

Extend the RPC interface to contain methods for change file ownership and manipulate files,
add JNI client side and implement the server side. This will piggyback on the existing LRPC
service so is not much infrastructure to add (run as service, RPC init, authentictaion and
authorization are already solved). It just needs to be implemented.



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