[jira] [Commented] (AMBARI-18050) Upgrade pre-req check code needs to be decoupled from CheckDescription class

["Tim Thorpe (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-18050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15477559#comment-15477559 ] 

Tim Thorpe commented on AMBARI-18050:
-------------------------------------

mvn clean test -Dtest=AbstractCheckDescriptorTest,UpgradeCheckOrderTest,CheckHelperTest
Ran 267 tests in 8.183s
Total run:1124
Total errors:0
Total failures:0


> 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
>
> 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.



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