GetBucketLocation API is behaving wierdly with bucket with region us-east-1

Question

Hi. I am using AWS's getbucketlocation api to find the region of a particular bucket. I am getting proper expected results with all regions except for buckets belonging to region us-east-1. Is there any reason for such behaviour?

Answer

The `GetBucketLocation` API is expected to return `null` for buckets in `us-east-1` [1]. This likely has something to do with it being the original region, and main region for S3 [2].

[1] https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLocation.html#API_GetBucketLocation_ResponseElements  
[2] https://github.com/aws/aws-cli/issues/3597#issuecomment-424167129

GetBucketLocation API is behaving wierdly with bucket with region us-east-1

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