[jira] [Created] (ZEPPELIN-2697) allow specification of cassandra user/passwd settings in a paragraph

["Luiz Angelo Steffenel (JIRA)" <ji...@apache.org>]

Luiz Angelo Steffenel created ZEPPELIN-2697:
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             Summary: allow specification of cassandra user/passwd settings in a paragraph
                 Key: ZEPPELIN-2697
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2697
             Project: Zeppelin
          Issue Type: Improvement
          Components: zeppelin-interpreter
    Affects Versions: 0.7.2, 0.8.0
            Reporter: Luiz Angelo Steffenel
            Priority: Trivial


Currently the authentification (user/password) for the cassandra interpreter is tied to the global interpreter parameters (cassandra.credentials.username and cassandra.credentials.password). In a multi-user environment this is an issue, as we are still unable to have a different configuration per user (see https://issues.apache.org/jira/browse/ZEPPELIN-1337). 

It would be interesting to allow users set their own authentification parameters in a paragraph and use these values instead of the default ones. Such verification could be triggered for example by the parsion of the "use <keyspace>" command.

Even after the ZEPPELIN-1337 issue is solved, this would allow users to temporarily modify cassandra auth parameters without having to change their main configuration (for example, when testing grant rights).  





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