Hi Philippe,
In order for the enforcement of policies to happen, the group should be
present in Hadoop.
Ranger groups are more of a UI help currently in that they provide
autocomplete to users while creating policies. This way user need not
lookup Hadoop Groups every time and can rely on autocomplete to create
policies.
Ranger Usersync is generally used to sync users/groups to Ranger Admin to
avoid the tedious process of creating them on the Ranger Admin.
On Mon, Mar 2, 2015 at 10:20 PM, Verhaeghe Philippe <
philippe.verhae...@worldline.com> wrote:
> Thanks for your answer.
>
> The users tableau2 and tableau3 and the group tableau are internal in
> ranger.
>
> There is no “tableau” group in Hadoop, I created the group only in ranger.
>
> $ hdfs groups tableau3
>
> tableau3 :
>
> $ hdfs groups tableau2
>
> tableau2 :
>
>
>
> I don’t fully understand why the group associated with the login should be
> created in Hadoop when ranger is managing the permissions. And what is the
> role of the Ranger group vs Hadoop group ?
>
>
>
> Regards,
>
> Philippe
>
>
>
> *De :* Selvamohan Neethiraj [mailto:sneethi...@hortonworks.com] *De la
> part de* Selvamohan Neethiraj
> *Envoyé :* Monday, March 02, 2015 5:32 PM
> *À :* user@ranger.incubator.apache.org
> *Objet :* Re: Group permissions in Hive policies
>
>
>
> Philippe:
>
>
>
> Yes, we have validated permission defined at group level.
>
> When the Hive query is executed by HiveServer2, the groups associated with
> the login user is derived based on the Hadoop Group Mapping defined in the
> coe-site.xml (hadoop.security.group.mapping).
>
> You can use the following commands to find out the group membership for a
> given user:
>
>
>
> $ hdfs groups <username>
>
>
>
> Please let us know if your group membership for the user ‘tableau3’ user
> shows the group ‘tableau’.
>
>
>
> Thanks,
>
> Selva-
>
>
>
> *From: *Verhaeghe Philippe <philippe.verhae...@worldline.com>
> *Reply-To: *"user@ranger.incubator.apache.org" <
> user@ranger.incubator.apache.org>
> *Date: *Monday, March 2, 2015 at 11:05 AM
> *To: *"user@ranger.incubator.apache.org" <user@ranger.incubator.apache.org
> >
> *Subject: *Group permissions in Hive policies
>
>
>
> Hi,
>
>
>
> I try to use group level permissions for Hive but it seems not working.
>
> I have set permissions at user level for my user “tableau2” : it works as
> expected, I can query Hive.
>
> I have created another user “tableau3”, placed it in a new group
> “tableau”, and I gave this group the same permissions than the user
> “tableau2” : I cannot query Hive with user “tableau3”.
>
>
>
> Does anyone has successfully used group level permissions with Hive ?
>
>
>
> Regards,
>
> Philippe
>
>
>
>
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> Ce message et les pièces jointes sont confidentiels et réservés à l'usage
> exclusif de ses destinataires. Il peut également être protégé par le secret
> professionnel. Si vous recevez ce message par erreur, merci d'en avertir
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> pouvant être assurée sur Internet, la responsabilité de Worldline ne pourra
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> This e-mail and the documents attached are confidential and intended
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--
Regards,
Gautam.
