attilasimon72

NoCredentialsError due to wrongly breaking the retry loop

3

**Description** In some cases [IMDSFetcher._fetch_metadata_token](https://github.com/boto/botocore/blob/e1b6e6b58cc157a0197885c7a07c18fc3b73d33e/botocore/utils.py#L366) can ignore your `AWS_METADATA_SERVICE_NUM_ATTEMPTS` [configuration](https://boto3.amazonaws.com/v1/documentation/api/latest/guide/configuration.html), and you will end up getting `NoCredentialsError` on the first attempt. **Details** Our web app runs on EC2 with role-based...