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https://issues.apache.org/jira/browse/HADOOP-13252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-13252:
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Attachment: HADOOP-13252-006.patch
Patch 006
fixed to work against trunk. The issue there is that because trunk returns the
default value correctly, we can't pass in an interface there. Instead
{{Configuration.getInstances()}} was copied into {{S3AUtils}} and tweaked to
only do the list of classes (with assignment check) rather than the full
instantiation.
* adds tests to generate and validate failure modes
* factors out the error text strings looked for in the tests
* also fixed test teardown to handle null file context, including in the hadoop
common base class.
Tested: S3 ireland
> Tune S3A provider plugin mechanism
> ----------------------------------
>
> 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
> Assignee: Steve Loughran
> Priority: Minor
> Attachments: HADOOP-13252-006.patch, HADOOP-13252-branch-2-001.patch,
> HADOOP-13252-branch-2-003.patch, HADOOP-13252-branch-2-004.patch,
> HADOOP-13252-branch-2-005.patch
>
>
> 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.
> Review and tune the S3A provider point
> * add logging of what's going on in s3 auth to help debug problems
> * make a whole chain of logins expressible
> * allow the anonymous credentials to be included in the list
> * review and updated documents.
> 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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