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Fix storage class related issues (#5338)

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- Update startup banner to print storage class in capitals. This
makes it easier to identify different storage classes available.

- Update response metadata to not send STANDARD storage class.
This is in accordance with AWS S3 behaviour.

- Update minio-go library to bring in storage class related
changes. This is needed to make transparent translation of
storage class headers for Minio S3 Gateway.
This commit is contained in:
Nitish Tiwari
2018-01-04 11:44:45 +05:30
committed by GitHub
parent 6f7c6fc560
commit 1e5fb4b79a
18 changed files with 7334 additions and 28 deletions
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24
cmd/object-api-utils.go
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@@ -187,14 +187,26 @@ func getCompleteMultipartMD5(parts []CompletePart) (string, error) {
return s3MD5, nil
}
// Clean meta etag keys 'md5Sum', 'etag'.
func cleanMetaETag(metadata map[string]string) map[string]string {
return cleanMetadata(metadata, "md5Sum", "etag")
// Clean unwanted fields from metadata
func cleanMetadata(metadata map[string]string) map[string]string {
// Remove STANDARD StorageClass
metadata = removeStandardStorageClass(metadata)
// Clean meta etag keys 'md5Sum', 'etag'.
return cleanMetadataKeys(metadata, "md5Sum", "etag")
}
// Clean metadata takes keys to be filtered
// and returns a new map with the keys filtered.
func cleanMetadata(metadata map[string]string, keyNames ...string) map[string]string {
// Filter X-Amz-Storage-Class field only if it is set to STANDARD.
// This is done since AWS S3 doesn't return STANDARD Storage class as response header.
func removeStandardStorageClass(metadata map[string]string) map[string]string {
if metadata[amzStorageClass] == standardStorageClass {
delete(metadata, amzStorageClass)
}
return metadata
}
// cleanMetadataKeys takes keyNames to be filtered
// and returns a new map with all the entries with keyNames removed.
func cleanMetadataKeys(metadata map[string]string, keyNames ...string) map[string]string {
var newMeta = make(map[string]string)
for k, v := range metadata {
if contains(keyNames, k) {