Sandor Molnar created AMBARI-22981:

             Summary: Update Hadoop RPC Encryption Properties During Upgrade
                 Key: AMBARI-22981
             Project: Ambari
          Issue Type: Task
          Components: ambari-server
    Affects Versions: 2.7.0
            Reporter: Sandor Molnar
            Assignee: Sandor Molnar
             Fix For: 2.7.0

When *HDP 3.0.0* is installed, clients should have the ability to choose 
encrypted communication over RPC when talking to core hadoop components. Today, 
the properties that control this are:
 - {{core-site.xml : = authentication}}
 - {{hdfs-site.xml : = authentication}}

The new value of {{privacy}} enables clients to choose an encrypted means of 
communication. By keeping {{authentication}} first, it will be taken as the 
default mechanism so that wire encryption is not automatically enabled by 

The following properties should be changed to add {{privacy}}:
 - {{core-site.xml : = authentication,privacy}}
 - {{hdfs-site.xml : = authentication,privacy}}

The following are cases when this needs to be performed:
 - During Kerberization, the above two properties should be automatically 
 - During a stack upgrade to any version of *HDP 3.0.0*, they should be 
automatically merged

Blueprint deployment is not a scenario being covered here.

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