[jira] [Created] (HBASE-20047) AuthenticationTokenIdentifier should provide a toString

["Sean Busbey (JIRA)" <ji...@apache.org>]

Sean Busbey created HBASE-20047:
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             Summary: AuthenticationTokenIdentifier should provide a toString
                 Key: HBASE-20047
                 URL: https://issues.apache.org/jira/browse/HBASE-20047
             Project: HBase
          Issue Type: Improvement
          Components: Usability
            Reporter: Sean Busbey


It'd be easier to debug things like MapReduce and Spark jobs if our AuthenticationTokenIdentifier provided a toString method.

For comparison, here's an example of a MapReduce job that has both an HDFS delegation token and our delegation token:

{code}

18/02/21 20:40:06 INFO mapreduce.JobSubmitter: Kind: HBASE_AUTH_TOKEN, Service: 92a63bd8-9e00-4c04-ab61-da8e606068e1, Ident: (org.apache.hadoop.hbase.security.token.AuthenticationTokenIdentifier@17)
18/02/21 20:40:06 INFO mapreduce.JobSubmitter: Kind: HDFS_DELEGATION_TOKEN, Service: 172.31.118.118:8020, Ident: (token for some_user: HDFS_DELEGATION_TOKEN owner=some_user@EXAMPLE.COM, renewer=yarn, realUser=, issueDate=1519274405003, maxDate=1519879205003, sequenceNumber=23, masterKeyId=9)

{code}

Stuff in TokenIdentifier is supposed to be public, so we should be fine to dump everything, similar to Hadoop's AbstractDelegationTokenIdentifier.



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