Andrii Tkach created AMBARI-13054:
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Summary: 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
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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