Randomize master key generation for ApplicationTokenSecretManager and roll it
every so often
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Key: MAPREDUCE-3942
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3942
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2, security
Affects Versions: 0.23.0
Reporter: Vinod Kumar Vavilapalli
Assignee: Vinod Kumar Vavilapalli
Fix For: 0.23.2
- Master key for authentication of AMs need to be automatically generated.
- The key needs to be rolled every so often but AMs with old keys should
continue to be able to talk to the RM.
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