[jira] [Created] (HADOOP-13252) add logging of what's going on in s3 auth to help debug problems

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

Steve Loughran created HADOOP-13252:
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             Summary: add logging of what's going on in s3 auth to help debug problems
                 Key: HADOOP-13252
                 URL: https://issues.apache.org/jira/browse/HADOOP-13252
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 2.8.0
            Reporter: Steve Loughran
            Priority: Minor


We've now got some fairly complex auth mechanisms going on: -hadoop config, KMS, env vars, "none". IF something isn't working, it's going to be a lot harder to debug.

I propose *carefully* adding some debug messages to identify which auth provider is doing the auth, so we can see if the env vars were kicking in, sysprops, etc.

What we mustn't do is leak any secrets: this should be identifying whether properties and env vars are set, not what their values are. I don't believe that this will generate a security risk.



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