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[Question #271199]: Using duplicity and IAM roles on AWS instances

To: duplicity-team@xxxxxxxxxxxxxxxxxxx
From: hebbo <question271199@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 08 Sep 2015 09:07:14 -0000
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New question #271199 on Duplicity:
https://answers.launchpad.net/duplicity/+question/271199

Hello,

this is a question aboutj using IAM roles to access S3 buckets with duply/duplicity.

I have tried to use duply/duplicity to restore/backup against an S3 bucket, using the AWS instance IAM role as authentication.
I guess the following error:

BackendException: Access Denied
09:01:26.174 Task 'RESTORE' failed with exit code '23'.

If I set TARGET_PASS and TARGET_USER to key/secret it works all right. I was wondering why duplicity/boto is not using the associated instance IAM role to authenticate on S3. Maybe an issue with duply?
(I tried setting TARGET_USER and TARGET_PASS to blank but the same error.

Thanks on advance.


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