Gary Helmling created HBASE-12579:
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Summary: Move obtainAuthTokenForJob() methods out of User
Key: HBASE-12579
URL: https://issues.apache.org/jira/browse/HBASE-12579
Project: HBase
Issue Type: Improvement
Components: security
Reporter: Gary Helmling
The {{User}} class currently contains some utility methods to obtain HBase
authentication tokens for the given user. However, these methods initiate an
RPC to the {{TokenProvider}} coprocessor endpoint, an action which should not
be part of the User class' responsibilities.
This leads to a couple of problems:
# The way the methods are currently structured, it is impossible to integrate
them with normal connection management for the cluster (the TokenUtil class
constructs its own HTable instance internally).
# The User class is logically part of the hbase-common module, but uses the
TokenUtil class (part of hbase-server, though it should probably be moved to
hbase-client) through reflection, leading to a hidden dependency.
The {{obtainAuthTokenForJob()}} methods should be deprecated and the process of
obtaining authentication tokens should be moved to use the normal connection
lifecycle.
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