[jira] [Created] (HADOOP-19104) S3A HeaderProcessing to process all metadata entries of HEAD response

["Steve Loughran (Jira)" <ji...@apache.org>]

Steve Loughran created HADOOP-19104:
---------------------------------------

             Summary: S3A HeaderProcessing to process all metadata entries of HEAD response
                 Key: HADOOP-19104
                 URL: https://issues.apache.org/jira/browse/HADOOP-19104
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 3.4.0
            Reporter: Steve Loughran


S3A HeaderProcessing builds up an incomplete list of headers as its mapping of md to header. entries omits headers including
x-amz-server-side-encryption-aws-kms-key-id

proposed
* review all headers which are stripped from "raw" responses and mapped into headers
* make sure result of headers matches v1; looks like etags are different
* make sure x-amz-server-side-encryption-aws-kms-key-id gets back
* plus new checksum values

{code}
v1 sdk

{code}

# file: s3a://noaa-cors-pds/raw/2024/001/akse/AKSE001x.24_.gz
header.Content-Length="524671"
header.Content-Type="binary/octet-stream"
header.ETag="3e39531220fbd3747d32cf93a79a7a0c"
header.Last-Modified="Tue Jan 02 00:15:13 GMT 2024"
header.x-amz-server-side-encryption="AES256"

{code}

v2 SDK. note how etag is now double quoted.

{code}

# file: s3a://noaa-cors-pds/raw/2024/001/akse/AKSE001x.24_.gz
header.Content-Length="524671"
header.Content-Type="binary/octet-stream"
header.ETag=""3e39531220fbd3747d32cf93a79a7a0c""
header.Last-Modified="Tue Jan 02 00:15:13 GMT 2024"
header.x-amz-server-side-encryption="AES256"

{code}




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