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From "Tim Thorpe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-18050) Upgrade pre-req check code needs to be decoupled from CheckDescription class
Date Fri, 09 Sep 2016 16:59:21 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-18050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tim Thorpe updated AMBARI-18050:
--------------------------------
    Description: 
Currently each pre-req check must add an entry in the CheckDescription enum.  This limits
the ability for third party stacks and extensions to provide their own pre-req checks.  

The CheckDescription enum should be rewritten as a class and each pre-req check class should
create an instance of it.  This will allow stacks and extensions to include their own pre-req
checks in separate jar files without requiring changes to ambari-server java code.

  was:
Each pre-req check must add an entry in the CheckDescription enum.  This obviously requires
a change to ambari-server java code.  This limits the ability for third party stacks and extensions
to provide their own pre-req checks.

CheckDescription should be rewritten as a class and each pre-req check class should create
an instance of it.  This will allow stacks and extensions to include their own pre-req checks
in separate jar files without requiring changes to ambari-server java code.


> Upgrade pre-req check code needs to be decoupled from CheckDescription class
> ----------------------------------------------------------------------------
>
>                 Key: AMBARI-18050
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18050
>             Project: Ambari
>          Issue Type: New Feature
>          Components: ambari-server
>    Affects Versions: trunk
>            Reporter: Tim Thorpe
>            Assignee: Tim Thorpe
>         Attachments: AMBARI-18050.patch
>
>
> Currently each pre-req check must add an entry in the CheckDescription enum.  This limits
the ability for third party stacks and extensions to provide their own pre-req checks.  
> The CheckDescription enum should be rewritten as a class and each pre-req check class
should create an instance of it.  This will allow stacks and extensions to include their own
pre-req checks in separate jar files without requiring changes to ambari-server java code.



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