Giovanni Matteo Fumarola 4aa7734fc7 HDFS-14006. Refactor name node to allow different token verification implementations. Contributed by CR Hota.
(cherry picked from commit 00d5e631b596f8712600879366e5283829e7ee5d)
(cherry picked from commit eca7bc7ac4292ff08b9e1ea2e22116d6e58e8b95)

 Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
2020-03-25 17:13:58 -07:00

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