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From Jerry He <jerry...@gmail.com>
Subject Re: doAs with HBase Java API and Apache Ranger
Date Sun, 20 Dec 2015 03:40:01 GMT
To answer your HBase question, user context is obtained when 'Connection'
object is created.  'Table' shares what the 'Connection' has.
Also like Ted mentioned, use ProxyUser needs additional config on the serer
side.

Jerry

On Fri, Dec 18, 2015 at 9:37 AM, Ted Yu <yuzhihong@gmail.com> wrote:

> I talked with a Ranger developer who has read the thread on Ranger mailing
> list.
>
> Setting up proxy may require certain steps.
>
> I suggest responding to Bosco's question on the Ranger mailing list (by
> providing related server log, e.g.) - Ranger developers have knowledge
> about HBase.
>
> Cheers
>
> On Fri, Dec 18, 2015 at 9:24 AM, Chris Gent <
> chris.gent@bigdatapartnership.com> wrote:
>
> > Hey Ted,
> >
> > Yeah - they suggested asking over here :-)
> >
> > I think the question is where the user context is set/comes from when
> using
> > the HBase API. It was suggested that it comes when the Table object gets
> > created? Or is it right back when the connection is established?
> >
> > --
> > Chris
> >
> >
> >
> > On 18 December 2015 at 17:18, Ted Yu <yuzhihong@gmail.com> wrote:
> >
> > > Have you polled Ranger community with this question ?
> > >
> > > http://ranger.apache.org/mail-lists.html
> > >
> > > Cheers
> > >
> > > On Fri, Dec 18, 2015 at 9:04 AM, Chris Gent <
> > > chris.gent@bigdatapartnership.com> wrote:
> > >
> > > > Hi,
> > > >
> > > > We have a webservice that performs reads/writes on HBase tables and
> > have
> > > a
> > > > requirement to authorize and audit table/column family access using
> > > Ranger.
> > > >
> > > > I've configured the reads/writes to be performed under doAs to try to
> > > make
> > > > this happen but the requests end up being authorized and audit logged
> > as
> > > > the service user rather than the requestor.
> > > >
> > > >
> > > > A snippet of the application code looks like this (doAsUser is the
> end
> > > > user's username):
> > > >
> > > >
> > > > UserGroupInformation ugi =
> > UserGroupInformation.createProxyUser(doAsUser,
> > > > UserGroupInformation.getLoginUser());
> > > >
> > > > try {
> > > >       ugi.doAs(new PriviledgedExceptionAction<Void>() {
> > > >           @Override
> > > >           public Void run() throws Exception {
> > > >                 LOGGER.info("HBase put as user " +
> > > ugi.getShortUserName());
> > > >                 table.put(put);
> > > >                 return null;
> > > >           }
> > > >     });
> > > >
> > > >
> > > > Has anyone got experience with the HBase Ranger plugin and/or come
> > across
> > > > this problem before and know the best way to solve it?
> > > >
> > > > For reference this is all running with HDP 2.3.2.
> > > >
> > > > Thanks in advance!
> > > >
> > > > --
> > > > Chris
> > > >
> > > > --
> > > >
> > > >
> > > > *NOTICE AND DISCLAIMER*
> > > >
> > > > This email (including attachments) is confidential. If you are not
> the
> > > > intended recipient, notify the sender immediately, delete this email
> > from
> > > > your system and do not disclose or use for any purpose.
> > > >
> > > > Business Address: Eagle House, 163 City Road, London, EC1V 1NR.
> United
> > > > Kingdom
> > > > Registered Office: Finsgate, 5-7 Cranwood Street, London, EC1V 9EE.
> > > United
> > > > Kingdom
> > > > Big Data Partnership Limited is a company registered in England &
> Wales
> > > > with Company No 7904824
> > > >
> > >
> >
> >
> >
> > --
> > *Christopher Gent*
> >
> > *Managing Consultant*
> > Big Data Partnership
> > M: 07795 210205
> > E: chris.gent@bigdatapartnership.com
> >
> > *NOTICE AND DISCLAIMER*
> >
> > This email (including attachments) is confidential. If you are not the
> > intended recipient, notify the sender immediately, delete this email from
> > your system and do not disclose or use for any purpose.
> >
> > Business Address: Eagle House, 163 City Road, London, EC1V 1NR. United
> > Kingdom
> > Registered Office: Finsgate, 5-7 Cranwood Street, London, EC1V 9EE.
> United
> > Kingdom
> > Big Data Partnership Limited is a company registered in England & Wales
> > with Company No 7904824
> >
> > --
> >
> >
> > *NOTICE AND DISCLAIMER*
> >
> > This email (including attachments) is confidential. If you are not the
> > intended recipient, notify the sender immediately, delete this email from
> > your system and do not disclose or use for any purpose.
> >
> > Business Address: Eagle House, 163 City Road, London, EC1V 1NR. United
> > Kingdom
> > Registered Office: Finsgate, 5-7 Cranwood Street, London, EC1V 9EE.
> United
> > Kingdom
> > Big Data Partnership Limited is a company registered in England & Wales
> > with Company No 7904824
> >
>

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