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https://issues.apache.org/jira/browse/HBASE-20627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16487909#comment-16487909
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Ted Yu commented on HBASE-20627:
--------------------------------
Added TestRSGroups$CPMasterObserver in v2.
However, the two hooks are not called - with or without patch v1.
Debugging.
> 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
> Priority: Major
> Attachments: 20627.v1.txt, 20627.v2.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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