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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