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https://issues.apache.org/jira/browse/HBASE-16990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879735#comment-15879735
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Zheng Hu commented on HBASE-16990:
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[~jerryhe], Thanks for reply. permission_dumper.rb is a wrapper for
user_permission. For developer, the script seems to be redundant. But for
HBase administrators , it's helpful to migrate privileges from one cluster to
another cluster.
Currently , user_permission shell command print following message:
{code}
hbase(main):005:0> user_permission 't1'
User
Namespace,Table,Family,Qualifier:Permission
openinx default,t1,,:
[Permission: actions=READ,WRITE,EXEC,CREATE,ADMIN]
...
{code}
If lots of permissions, then administrator has to spell it in sink hbase shell
for each permission. It's time wasting.
> Shell tool to dump table and namespace privileges
> -------------------------------------------------
>
> Key: HBASE-16990
> URL: https://issues.apache.org/jira/browse/HBASE-16990
> Project: HBase
> Issue Type: New Feature
> Components: tooling
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Priority: Minor
> Attachments: HBASE-16990.v1.patch, HBASE-16990.v2.patch,
> hbase-site.xml
>
>
> Recently, we are trying to migrate tables from Cluster-A to Cluster-B, I
> found that HBase lack some useful tools :
> 1. dump table schema, like mysqldump in mysql
> 2. dump table privileges, like pt-show-grants in mysql provided by Percona.
> I think we can add a dump sub-command looks like (JUST simple demo) :
> {code}
> $ ./bin/hbase dump -t test_table --with-privileges > ~/test_table.hsh
> $ cat ~/test_table.hsh
> create 'test_table', {NAME=>'f1'}
> grant 'test_user', 'RW', 'test_table'
> {code}
> Maybe I can contribute ... :)
> How do you think ?
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