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https://issues.apache.org/jira/browse/AMBARI-13054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14738597#comment-14738597
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Hadoop QA commented on AMBARI-13054:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12755112/AMBARI-13054.patch
against trunk revision .
{color:red}-1 patch{color}. Top-level trunk compilation may be broken.
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/3756//console
This message is automatically generated.
> Pre-Req Endpoint Should Be Used For Determining Upgrade Button Visibility
> -------------------------------------------------------------------------
>
> Key: AMBARI-13054
> URL: https://issues.apache.org/jira/browse/AMBARI-13054
> Project: Ambari
> Issue Type: Task
> Components: ambari-web
> Affects Versions: 2.1.2
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Fix For: 2.1.2
>
> Attachments: AMBARI-13054.patch
>
>
> The web client currently uses a combination of host names, host_state, and
> stack versions to determine if an upgrade should be able to be performed for
> a given stack. If any of the hosts are missing the correct stack, then the
> option to upgrade to that stack is not permitted. The upgrade should be
> allowed, however, if the hosts which are missing the required stack are also
> in maintenance mode.
> The web client should begin using the prerequisite check API endpoint in
> order to calculate if the "Upgrade" button is to be visible for a specific
> stack. This allows the logic for calculating whether at stack is ready
> upgrade to remain on the Ambari Server.
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