Kasper Sørensen created METAMODEL-221:
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Summary: HdfsResource support for authentication per instance
Key: METAMODEL-221
URL: https://issues.apache.org/jira/browse/METAMODEL-221
Project: Apache MetaModel
Issue Type: Improvement
Affects Versions: 4.4.1
Reporter: Kasper Sørensen
Today the HdfsResource is implemented without any specifics regarding
authentication. With the Hadoop {code}UserGroupInformation{code} class the user
can authenticate statically before using HdfsResource, which should work fine.
But in many scenarios it's not desirable to authenticate statically. It might
be because the application is acting on behalf of multiple users, or it might
simply be to avoid leaving this authentication token in static scope for other
parts of the application to use it.
So add to HdfsResource a way where credentials and authentication method etc.
can be provided. Remember that HdfsResource must be serializable so this
information should probably be marked as transient (for security purposes) and
it should be possible to apply/set it after constructing the HdfsResource (for
the purpose of "reviving" deserialized objects).
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