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From "Dmitro Lisnichenko" <dlysniche...@hortonworks.com>
Subject Review Request 33312: (2.0.maint) Ambari Upgrade from 1.7.0 to 2.0.0 fails to restart ZK server due to missing symlink
Date Fri, 17 Apr 2015 14:43:08 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/33312/
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Review request for Ambari and Alejandro Fernandez.


Bugs: AMBARI-10566
    https://issues.apache.org/jira/browse/AMBARI-10566


Repository: ambari


Description
-------

patch for 2.0.maint 

Ambari upgrade from 1.7.0 to 2.0.0 had problems on starting/restarting zookeeper server because
/usr/hdp/current/zookeeper-server symlink was not found. The customer remedied the issue by
calling "hdp-select set zookeeper-server 2.2.3.0-###" on all of the hosts, which created the
symlink.
In Ambari 1.7.0, ZK server was started using the libs from ZK client, so as part of the Ambari
Upgrade, we need to first call "hdp-select set zookeeper-server
{version}
"
It's possible that the either exactly one of start/restart command will handle this. Need
to verify what the behavior is.


Diffs
-----

  ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariCustomCommandExecutionHelper.java
5a15f64 
  ambari-server/src/main/resources/common-services/ZOOKEEPER/3.4.5.2.0/package/scripts/params.py
fa82f49 
  ambari-server/src/main/resources/common-services/ZOOKEEPER/3.4.5.2.0/package/scripts/zookeeper.py
aa1c891 
  ambari-server/src/main/resources/common-services/ZOOKEEPER/3.4.5.2.0/package/scripts/zookeeper_server.py
72a8f0b 
  ambari-server/src/test/python/stacks/2.0.6/ZOOKEEPER/test_zookeeper_server.py 4b9721a 

Diff: https://reviews.apache.org/r/33312/diff/


Testing
-------

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Ambari Views ...................................... SUCCESS [1.729s]
[INFO] Ambari Metrics Common ............................. SUCCESS [0.805s]
[INFO] Ambari Server ..................................... SUCCESS [33.368s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 36.563s
[INFO] Finished at: Fri Apr 17 17:42:34 EEST 2015
[INFO] Final Memory: 48M/427M
[INFO] ------------------------------------------------------------------------


Thanks,

Dmitro Lisnichenko


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