Support --xa-s3 suffix for S3 Express One Zone bucket access points#663
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AWS recently introduced a new `--xa-s3` suffix for S3 Express One Zone directory buckets (in addition to the existing `--x-s3` suffix). `parse_bucket_az` only recognized `--x-s3`, causing a `ZoneSuffix` error for buckets using the new suffix. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
crepererum
approved these changes
Mar 19, 2026
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Summary
AWS has introduced a new
--xa-s3suffix for S3 Express One Zone directory buckets when used with S3 Access Points (in addition to the existing--x-s3suffix). For example:eks-staging-k3--use1-az4--xa-s3.https://aws.amazon.com/about-aws/whats-new/2025/05/amazon-s3-express-one-zone-granular-access-controls-access-points/
Currently
parse_bucket_azonly recognizes--x-s3, so calling.with_s3_express(true)on a bucket with the--xa-s3suffix fails with:This PR updates
parse_bucket_azto also strip--xa-s3, and adds corresponding test cases.Test plan
--xa-s3suffix (with and without AZ) totest_parse_bucket_az