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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15200) ZooKeeper znode ACL checks should only compare the shortname
Date Mon, 01 Feb 2016 18:15:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15126701#comment-15126701

Matteo Bertozzi commented on HBASE-15200:

hey [~apurtell] can you post a getAcl /hbase from the zkcli. 

my looks like:
(CONNECTED) 1] getAcl /hbase
: cdrwa
and I was wandering if my setup is wrong and I always need something like "hbase/host". 
otherwise I don't understand that added slash to the: if (id.getId().startsWith(hbaseUser+"/"))

> ZooKeeper znode ACL checks should only compare the shortname
> ------------------------------------------------------------
>                 Key: HBASE-15200
>                 URL: https://issues.apache.org/jira/browse/HBASE-15200
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 1.2.0, 1.0.3, 1.1.3, 0.98.17
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>             Fix For: 2.0.0, 1.3.0, 1.1.4, 0.98.18
>         Attachments: HBASE-15200.patch
> After HBASE-13768 we check at startup in secure configurations if our znodes have the
correct ACLs. However when checking the ACL we compare the Kerberos fullname, which includes
the host component. We should only compare the shortname, the principal. Otherwise in a multimaster
configuration we will unnecessarily reset ACLs whenever any master running on a host other
than the one that initialized the ACLs makes the check. You can imagine this happening multiple
times in a rolling restart scenario.

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