I know I can determine the region for AWS S3 buckets I own by doing:
aws s3api get-bucket-location --bucket <my-bucket>
but how can I determine the region for a public access bucket (which clearly I do not own)?
If I try to access one of the AWS Open Data buckets like noaa-goes16:
$ aws s3api get-bucket-location --bucket noaa-goes16
I get:
An error occurred (AccessDenied) when calling the GetBucketLocation operation: Access Denied
Yeah, you would think this would be easier to figure out, but here's the method I use:
$ curl -sI https://noaa-goes16.s3.amazonaws.com | grep bucket-region
which returns:
x-amz-bucket-region: us-east-1
Any objects returned from the bucket will respond with a x-amz-bucket-region
header which contains the buckets region.
In addition by running a head command curl --head $BUCKET_NAME.s3.amazonaws.com
against your bucket you can see the above header to identify the region your bucket is in.
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