[jira] [Created] (HBASE-24571) HBCK2 fix addFsRegionsMissingInMeta to add regions in CLOSED state again

["Wellington Chevreuil (Jira)" <ji...@apache.org>]

Wellington Chevreuil created HBASE-24571:
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             Summary: HBCK2 fix addFsRegionsMissingInMeta to add regions in CLOSED state again
                 Key: HBASE-24571
                 URL: https://issues.apache.org/jira/browse/HBASE-24571
             Project: HBase
          Issue Type: Bug
          Components: hbase-operator-tools
            Reporter: Wellington Chevreuil
            Assignee: Wellington Chevreuil


Originally, _addFsRegionsMissingInMeta_ relied on _MetaTableAccessor_ to add new regions, which correctly added new regions in CLOSED state. HBASE-23791 removed dependency on _MetaTableAccessor_ as to avoid relying on HBase IA private methods. _MetaTableAccessor_ functions needed by HBCK2 were then re-implemented on _HBCKMetaTableAccessor_. Implementation for _addRegionToMeta_, though, was not fully ported, and it was not setting newly added regions state. 

This would cause attempts to assign the newly added regions to fail, as AM ignore regions without state defined in meta, requiring extra calls for hbck2 setRegionState command for each of the newly added regions.

Kudos for [~brfrn169] who identified this problem while troubleshooting/fixing regions assignments issues with hbck2.

This PR fix implementation of _HBCKMetaTableAccessor_._addRegionToMeta_ to insert new regions with _CLOSED_ state, and also adds extra checks for this behaviour on both _TestHBCKMetaTableAccessor_ and _TestFsRegionsMetaRecoverer_ UTs.



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