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Subject: Re: Review Request 43830: AMBARI-15127 : Add retry logic for DB Setup
 during Ranger upgrade step (to handle upgrade with Ranger HA)
From: Gautam Borad <gborad@gmail.com>
To: Jaimin Jetly <jaimin@hortonworks.com>,
 Velmurugan Periasamy <vperiasamy@hortonworks.com>,
 Mahadev Konar <mahadev@apache.org>,
 Alejandro Fernandez <afernandez@hortonworks.com>,
 Jonathan Hurley <jhurley@hortonworks.com>,
 Sumit Mohanty <smohanty@hortonworks.com>,
 Selvamohan Neethiraj <sneethiraj@hortonworks.com>
Cc: Gautam Borad <gborad@gmail.com>, Ambari <dev@ambari.apache.org>
Date: Tue, 01 Mar 2016 14:00:07 -0000
Message-ID: <20160301140007.26940.27693@reviews.apache.org>
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Reply-To: Gautam Borad <gborad@gmail.com>

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43830/
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(Updated March 1, 2016, 2 p.m.)


Review request for Ambari, Alejandro Fernandez, Jaimin Jetly, Jonathan Hurley, Mahadev Konar, Sumit Mohanty, Selvamohan Neethiraj, and Velmurugan Periasamy.


Changes
-------

Implementing suggestion to change the orchestration and not the retries for Ranger Upgrade flow.


Testing Done:

1) Installed Ranger and Ranger KMS using HDP-2.3.x.x-xx on centos 6 using db as postgres
2) EU to HDP-2.3.x.x-xx
3) RU to HDP-2.3.x.x-xx
4) Enabled Ranger and Ranger KMS HA
4) EU to HDP-2.4.x.x-xx
5) RU to HDP-2.4.x.x-xx


Bugs: AMBARI-15127
    https://issues.apache.org/jira/browse/AMBARI-15127


Repository: ambari


Description
-------

Need to apply multiple retries for Ranger DB setup calls to handle concurrent calls to one DB from 2 different hosts where Ranger Admin is installed.
This scenario is needed to handle upgrades of HDP in a case when Ranger HA is enabled.


Diffs (updated)
-----

  ambari-server/src/main/resources/common-services/RANGER/0.4.0/package/scripts/ranger_admin.py 5bcf6b9 
  ambari-server/src/main/resources/common-services/RANGER/0.4.0/package/scripts/setup_ranger_xml.py fcceaa6 
  ambari-server/src/main/resources/common-services/RANGER_KMS/0.5.0.2.3/package/scripts/kms.py 7c7a7c8 
  ambari-server/src/main/resources/common-services/RANGER_KMS/0.5.0.2.3/package/scripts/kms_server.py 4ffc8eb 
  ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.3.xml 4b5b8d5 
  ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.4.xml 50a9848 
  ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.3.xml 8003ee0 
  ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.4.xml f775314 
  ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/nonrolling-upgrade-2.4.xml b09c84a 
  ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.4.xml 5bc360e 

Diff: https://reviews.apache.org/r/43830/diff/


Testing
-------

Installed Ranger on Debian 7 + Ranger HA and then performed EU to 2.4.0.0-XXX.


Thanks,

Gautam Borad


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