[jira] [Created] (ARROW-9517) Allow session_token argument when initializing S3FileSystem

["Matthew Corley (Jira)" <ji...@apache.org>]

Matthew Corley created ARROW-9517:
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             Summary: Allow session_token argument when initializing S3FileSystem
                 Key: ARROW-9517
                 URL: https://issues.apache.org/jira/browse/ARROW-9517
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++, Python
    Affects Versions: 0.17.1
            Reporter: Matthew Corley


In order to access S3 using temporary credentials (from STS), users must supply a session token in addition to the usual access key and secret key. 

However, currently, the S3FileSystem class only accepts access_key and secret_key arguments.  The only workaround is to provide the session token as an environment variable, but this not ideal for a variety of reasons.

This is a request to allow an optional session_token argument when initializing the S3FileSystem.





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