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From "Vitalyi Brodetskyi" <vbrodets...@hortonworks.com>
Subject Re: Review Request 39519: Create a script to change host names for a stopped cluster
Date Mon, 26 Oct 2015 20:28:37 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/39519/
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(Updated Жов. 26, 2015, 8:28 після полудня)


Review request for Ambari, Dmitro Lisnichenko, Jonathan Hurley, Myroslav Papirkovskyy, and
Sumit Mohanty.


Bugs: AMBARI-13507
    https://issues.apache.org/jira/browse/AMBARI-13507


Repository: ambari


Description
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At a high-level we may follow this approach:
Ensure cluster is not kerberized
Assume all services to be stopped (add a check to ensure that services are stopped)
We may also need to check and confirm that there are no commands pending execution - or just
mark them as aborted
Update all host names in the database based on the mapping provided (e.g. host1 --> master01.dev.com)
As SQLClient cannot be assumed consider using jdbc - similar to the Upgrade code
Modify all configs to replace the hostnames as needed (not sure if plain search and replace
will suffice)
Agents need to be re-configured if ambari-server hostname changes


Diffs (updated)
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  ambari-server/sbin/ambari-server 1843cd6 
  ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java 04ab1ef

  ambari-server/src/main/java/org/apache/ambari/server/update/HostUpdateHelper.java PRE-CREATION

  ambari-server/src/main/python/ambari-server.py 88df81a 
  ambari-server/src/main/python/ambari_server/hostUpdate.py PRE-CREATION 
  ambari-server/src/main/python/ambari_server/setupActions.py 6c6e7ea 

Diff: https://reviews.apache.org/r/39519/diff/


Testing
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mvn clean test


Thanks,

Vitalyi Brodetskyi


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