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[jira] [Created] (HBASE-20627) Relocate RS Group pre/post hooks from RSGroupAdminServer to RSGroupAdminEndpoint


Ted Yu created HBASE-20627:
------------------------------

             Summary: Relocate RS Group pre/post hooks from RSGroupAdminServer to RSGroupAdminEndpoint
                 Key: HBASE-20627
                 URL: https://issues.apache.org/jira/browse/HBASE-20627
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu
            Assignee: Ted Yu
         Attachments: 20627.v1.txt

Currently RS Group pre/post hooks are called from RSGroupAdminServer.
e.g. RSGroupAdminServer#removeRSGroup :
{code}
      if (master.getMasterCoprocessorHost() != null) {
        master.getMasterCoprocessorHost().preRemoveRSGroup(name);
      }
{code}
RSGroupAdminServer#removeRSGroup is called by RSGroupAdminEndpoint :
{code}
        checkPermission("removeRSGroup");
        groupAdminServer.removeRSGroup(request.getRSGroupName());
{code}
If permission check fails, the pre hook wouldn't be called.



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