Thanks to both of you for the confirmation of the fact that it cannot be
done at the same time.

The Ambari REST API sounds very complicated for what I want to do, so I
will simply use the UI to Kerberize my cluster.
Thanks for your quick responses and your information,


Loïc

Loïc CHANEL
Engineering student at TELECOM Nancy
Trainee at Worldline - Villeurbanne

2015-06-04 15:43 GMT+02:00 Robert Levas <[email protected]>:

>  Hi Loïc,
>
>  Installing a cluster with Kerberos enabled via Blueprints is not
> available right now.  I think it may be possible to enable this feature,
> but some work needs to done in Ambari to handle it.  I think this is
> somewhere in the roadmap, but I am not sure where.
>
>  As a workaround, it is possible to enable Kerberos via the Ambari ReST
> API, if you were trying to avoid using the UI. Most of the steps are
> straight forward, however there is one step that can be difficult to
> perform due to the size of the data that needs to be posted.  This is the
> Kerberos Descriptor, which declares how each service in the cluster is to
> be handled when enabling Kerberos.  If you are interested in this, I can
> provide the steps; however in Ambari 2.0.0 there is a bug in the UI where,
> if Kerberos was enabled via the API there is a chance that the UI will not
> “think” Kerberos is enabled.   That issue will be fixed for Ambari 2.1.0.
>
>  Rob
>
>   From: Loïc Chanel <[email protected]>
> Reply-To: "[email protected]" <[email protected]>
> Date: Thursday, June 4, 2015 at 7:51 AM
> To: "[email protected]" <[email protected]>
> Subject: Launching Kerberized cluster via Blueprint
>
>   Hi all,
>
> As I was trying to deploy a fully secured cluster with Knox, Ranger and Ke
> beros, I had the feeling that it is not possible to instantiate a cluster
> asking it to generate the principal and keytabs linked to each of its
> services.
>
> Is there a way to deploy both of the cluster services and the 
> correspondingprincipals
> and keytabs via blueprint, just like if I deployed my cluster and I was
> asking Ambari to enable Kerberos with MIT KDC ?
>
> Thanks,
>
>
>  Loïc
>   Loïc CHANEL
> Engineering student at TELECOM Nancy
> Trainee at Worldline - Villeurbanne (France - 69)
>

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