[jira] [Updated] (AMBARI-21999) Always Take Target Read-Only Properties On Stack Upgrade

["Jonathan Hurley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-21999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Hurley updated AMBARI-21999:
-------------------------------------
    Status: Patch Available  (was: Open)

> Always Take Target Read-Only Properties On Stack Upgrade
> --------------------------------------------------------
>
>                 Key: AMBARI-21999
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21999
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 2.5.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Critical
>             Fix For: 2.6.0
>
>         Attachments: AMBARI-21999.patch
>
>
> STR:
> - Install a stack, such as HDP 2.3
> - Modify the {{cluster-env/stack_features}} structure
> - Upgrade to HDP 2.6
> The auto-merge which happens can't properly merge {{cluster-env/stack_features}} since it has deviated from the stock values of HDP 2.3. This is dangerous since this is needed for proper operation.
> Because it's defined as a read-only value, we should be able to detect this in the auto-merge fro the upgrade and force it to the new stack's default value...



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