Different Owner: Always fails with 409 BucketAlreadyExists
Checks the s3-identity-id header against the stored bucket owner
Returns error immediately if owners don't match
Same Owner + Conflicting Settings: Fails with 409 BucketAlreadyExists
Compares requested Object Lock settings with existing bucket configuration
Returns error if settings are incompatible (e.g., trying to enable Object Lock on a bucket that doesn't have it)
Same Owner + Compatible Settings: Returns 200 OK (idempotent)
If the bucket already exists with the same owner and compatible settings
Returns success response without recreating the bucket
see https://blog.aqwari.net/xml-schema-go/
1. go get aqwari.net/xml/cmd/xsdgen
2. Add EncodingType element for ListBucketResult in AmazonS3.xsd
3. xsdgen -o s3api_xsd_generated.go -pkg s3api AmazonS3.xsd
4. Remove empty Grantee struct in s3api_xsd_generated.go
5. Remove xmlns: sed s'/http:\/\/s3.amazonaws.com\/doc\/2006-03-01\/\ //' s3api_xsd_generated.go
chrislu
b0392731b7