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https://issues.apache.org/jira/browse/NIFI-866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703105#comment-14703105
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Joseph Witt commented on NIFI-866:
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Ricky
My pref is that we do a feasibility check on item 2. Because going the first
route will likely end up being something we want to unwind later if we can do
the mutli-principle support. But really my own worry here is less the
multi-principle support but rather runtime binding of interest as opposed to on
startup (sys var type things). Adding things to properties files are essential
things we have to worry about for backward compatibility so if we can avoid it
that would be cool
thanks
joe
> Kerberos support for Hadoop processors
> ---------------------------------------
>
> Key: NIFI-866
> URL: https://issues.apache.org/jira/browse/NIFI-866
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Extensions
> Reporter: Ricky Saltzer
> Assignee: Ricky Saltzer
> Attachments: NIFI-866.patch
>
>
> Currently the AbstractHadoopProcessor only supports talking to non-kerberos
> Hadoop clusters. Even though the user might be supplying a Hadoop
> configuration which indicates the authentication implementation is Kerberos,
> NiFi will still attempt to connect via SIMPLE authentication. This results in
> a processor exception.
> *Goals:*
> * Minimal configuration for Kerberos support
> * Shouldn't have to configure individual processors (e.g. user could have
> tens to hundreds of these processors)
> *Non-Goals:*
> * Support more than one kerberos principal at a time
> * Support both secure and non-secure connections at the same time
> *Basic Usage Proposal:*
> Edit _conf/nifi.properties_ and modify the following values
> {code:title=nifi.properties|borderStyle=solid}
> ..
> # kerberos #
> nifi.kerberos.enabled=true
> nifi.kerberos.krb5.file=/path/to/krb5.conf
> nifi.kerberos.keytab=/path/to/user.keytab
> nifi.kerberos.principal=user@REALM
> {code}
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