[jira] [Created] (HDFS-17264) GetJournalEditServlet should check requestor principal against NameNode principal pattern

["Charles Connell (Jira)" <ji...@apache.org>]

Charles Connell created HDFS-17264:
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             Summary: GetJournalEditServlet should check requestor principal against NameNode principal pattern
                 Key: HDFS-17264
                 URL: https://issues.apache.org/jira/browse/HDFS-17264
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: journal-node
            Reporter: Charles Connell


At my employer (HubSpot), we found it difficult to provide our JournalNodes with configurations that enumerate the exact principals that their counterpart NameNodes will have. Many situations in Hadoop that check requestor principal names allow a glob pattern so that exact names do not need to be known ahead of time. We applied [a similar logic|https://github.com/HubSpot/hadoop/pull/20/] in GetJournalEditServlet successfully. I'd like to contribute this change upstream.



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