[keycloak-user] Keycloak and HDFS?

[Johan Bos]

Hi,

I need to secure an access to HDFS (it comes with a REST API full access 
in a standalone webserver).

The documentation on Hadoop is mainly providing security hint through 
Kerberos (kinit utility) using a Kerb Ticket-Granting-Ticket.
Once the init is done, it is mapping a Kerberos Princip to an HDFS username.

Can Keycloak take charge of this authentication part?
Is there an example I can try? Still I did not make my way on 
understanding the current flow for this.

Let say that I have App1 being J2EE app, secured with KeyCloak and as 
well as authenticating the user for this client, I would like at the 
same time, authenticate him to the HDFS (as a keycloak client in same 
realm or something else).

What would be a good start through the example for this? Does anyone has 
a possible proposal and already make such things, probably trivial.

-- 
Regards,

Johan Bos

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