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https://issues.apache.org/jira/browse/NIFI-5041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496679#comment-16496679
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ASF GitHub Bot commented on NIFI-5041:
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Github user mattyb149 commented on the issue:
https://github.com/apache/nifi/pull/2630
+1 LGTM, ran full build with contrib-check, also tested on HDP 2.6.4 and
HDP 3.0 with and without Kerberos enabled, verified all behaviors are as
expected. Thanks for this improvement! Merging to master
> Add convenient SPNEGO/Kerberos authentication support to LivySessionController
> ------------------------------------------------------------------------------
>
> Key: NIFI-5041
> URL: https://issues.apache.org/jira/browse/NIFI-5041
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Peter Toth
> Priority: Minor
>
> Livy requires SPNEGO/Kerberos authentication on a secured cluster. Initiating
> such an authentication from NiFi is a viable by providing a
> java.security.auth.login.config system property
> (https://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/lab/part6.html),
> but this is a bit cumbersome and needs kinit running outside of NiFi.
> An alternative and more sophisticated solution would be to do the SPNEGO
> negotiation programmatically.
> * This solution would add some new properties to the LivySessionController
> to fetch kerberos principal and password/keytab
> * Add the required HTTP Negotiate header (with an SPNEGO token) to the
> HttpURLConnection to do the authentication programmatically
> (https://tools.ietf.org/html/rfc4559)
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