nealrichardson commented on a change in pull request #10088:
URL: https://github.com/apache/arrow/pull/10088#discussion_r621308430
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File path: python/pyarrow/_s3fs.pyx
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@@ -74,6 +74,13 @@ cdef class S3FileSystem(FileSystem):
Whether to connect anonymously if access_key and secret_key are None.
If true, will not attempt to look up credentials using standard AWS
configuration methods.
+ use_web_identity: boolean, default False
+ Whether to connect using an assumed role authenticated using
+ a web identity token. The required settings are derived from
+ environment variables such as AWS_ROLE_ARN,
+ AWS_WEB_IDENTITY_TOKEN_FILE and AWS_ROLE_SESSION_NAME.
+ If true, will not attempt to look up credentials using other
+ AWS configuration methods.
Review comment:
Whatever you decide, could you please document and write up a JIRA for
doing the same in the R package (assuming you're not going to go all the way
and update the R bindings in this PR, though you're more than welcome to :)
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