Aravindan Vijayan created HDDS-4990:
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Summary: Introduce First upgrade startup action and Pre-finalized
state validation in Layout Feature.
Key: HDDS-4990
URL: https://issues.apache.org/jira/browse/HDDS-4990
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Aravindan Vijayan
Assignee: Aravindan Vijayan
* Introduce 2 new phases of upgrade action hooks (per layout feature)
*Prefinalized state validation* - A layout feature (version) can use this to
validate that the component is not started up in a way to use it before
finalization. For example, an SCM HA validation action can make sure HA is not
enabled before finalization.
*First Upgrade Start action* - Run exactly once when a component is started up
after an upgrade with an unfinalized layout feature.
* Annotation based registration of layout actions to the layout features. After
this change, an HDDS upgrade action be created like this.
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