Github user vanzin commented on the issue:
https://github.com/apache/spark/pull/17723
It would be easier if instead you said what particular API that is being
proposed here you have issues with. Is it the storing of credentials in UGI? Or
what?
If that's what you're saying. I don't see why it's a problem to store
credentials, even non-Hadoop ones, in UGI. It's just a container. Just like
HDFS looks at UGI and only fetches the credentials it needs, some app blah that
wants to hook up to Spark would do the same and look for its credentials there.
I don't see a ton of benefits in abstracting that away into yet another
security abstraction layer.
And if for some reason that doesn't work, well, how do we know? Unless you
have a concrete example, it's hard to develop an interface to satisfy an
unknown use case.
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