Guillaume Nodet created HADOOP-8572:
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Summary: Have the ability to force the use of the login user
Key: HADOOP-8572
URL: https://issues.apache.org/jira/browse/HADOOP-8572
Project: Hadoop Common
Issue Type: Improvement
Reporter: Guillaume Nodet
In Karaf, most of the code is run under the "karaf" user. When a user ssh into
Karaf, commands will be executed under that user.
Deploying hadoop inside Karaf requires that the authenticated Subject has the
required hadoop principals set, which forces the reconfiguration of the whole
security layer, even at dev time.
My patch proposes the introduction of a new configuration property
{{hadoop.security.force.login.user}} which if set to true (it would default to
false to keep the current behavior), would force the use of the login user
instead of using the authenticated subject (which is what happen when there's
no authenticated subject at all). This greatly simplifies the use of hadoop in
such environments where security isn't really needed (at dev time).
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