[jira] [Created] (HBASE-28867) Backport "HBASE-20653 Add missing observer hooks for region server group to MasterObserver" to branch-2

[Nihal Jain (Jira)]

Nihal Jain created HBASE-28867:
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             Summary: Backport "HBASE-20653 Add missing observer hooks for 
region server group to MasterObserver" to branch-2
                 Key: HBASE-28867
                 URL: https://issues.apache.org/jira/browse/HBASE-28867
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu
            Assignee: Nihal Jain
             Fix For: 3.0.0-alpha-1


Currently the following region server group operations don't have corresponding 
hook in MasterObserver :

* getRSGroupInfo
* getRSGroupInfoOfServer
* getRSGroupInfoOfTable
* listRSGroup

This JIRA is to 

* add them to MasterObserver
* add pre/post hook calls in RSGroupAdminEndpoint thru 
master.getMasterCoprocessorHost for the above operations
* add corresponding tests to TestRSGroups (in similar manner to that of 
HBASE-20627)



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