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From "Thibaut Marmin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-3524) Set up generic puppet module architecture to manage both HDP and CDH (and Apache?) stacks
Date Wed, 16 Oct 2013 07:38:41 GMT
Thibaut Marmin created AMBARI-3524:
--------------------------------------

             Summary: Set up generic puppet module architecture to manage both HDP and CDH
(and Apache?) stacks
                 Key: AMBARI-3524
                 URL: https://issues.apache.org/jira/browse/AMBARI-3524
             Project: Ambari
          Issue Type: Improvement
          Components: agent
            Reporter: Thibaut Marmin


Currently ambari-agent manages stacks via puppet modules. These modules are specific to HDP
stacks in the sens that scripts strongly depend on it special features:
- Some packages only exists in HDP stack (e.g. hadoop-sbin, hadoop-pipes, etc.)
- Some scripts doesn’t exists in CDH stack (e.g. /usr/lib/hadoop/bin/hadoop-daemon.sh)
- Etc.

To allow ambari to manage CDH stacks, two ways are possible according to my point of view
:
- Consider CDH services as new services. This includes development of new puppet modules named
cdh instead hdp.
- Make the current puppet modules more generic by removing all hdp references in their names
and develop an additional conditional level to handle cases as you deploy CDH or HDP stack.

The second method seems to be more attractive because it abstracts the tool from HDP naming.



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