[jira] [Created] (IGNITE-3202) IGFS: Create user name converter for Hadoop secondary file system.

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

Vladimir Ozerov created IGNITE-3202:
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             Summary: IGFS: Create user name converter for Hadoop secondary file system.
                 Key: IGNITE-3202
                 URL: https://issues.apache.org/jira/browse/IGNITE-3202
             Project: Ignite
          Issue Type: Task
          Components: hadoop, IGFS
    Affects Versions: 1.5.0.final, 1.6
            Reporter: Vladimir Ozerov
            Assignee: Vladimir Ozerov
            Priority: Critical
             Fix For: 1.7


*Problem*
When user access secondary file system, we propagate it form client machine to Ignite server and then try to perform the request on this user using either "doAs" or proxies in case of Kerberos.

The problem is that user name is not always match what we need. For example, user name is "ivanov", but the request should be performed using proxied user "ivanov@[REALM_NAME]". 

*Solution*
We need to introduce special converter interface which will intercept user names and convert them to correct form if needed. This interceptor should be places inside file system factory.



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