[jira] [Created] (HADOOP-10559) add a method to UserGroupInformation to load settings from a given conf file

["Steve Loughran (JIRA)" <ji...@apache.org>]

Steve Loughran created HADOOP-10559:
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             Summary: add a method to UserGroupInformation to load settings from a given conf file
                 Key: HADOOP-10559
                 URL: https://issues.apache.org/jira/browse/HADOOP-10559
             Project: Hadoop Common
          Issue Type: Improvement
          Components: security
    Affects Versions: 2.4.0
            Reporter: Steve Loughran


There's no easy way to set up the security parameters of a process unless it's set in core-site.xml, because it's just inited via: 

{{initialize(new Configuration(), false);}}

# If it is defined in an XML resource injected in to the config resource list via {{Configuration.addResource()}} -then it *may* get picked up, but only if nothing has already created the configs.
# If it is defined in any other means -you can't get it in.

This is an issue with client apps that don't have core-site XML files on their classpath, and which are loading their configs more dynamically. Everything works on an insecure cluster, but try to target a secure one and things break.




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