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remove GetObject from ObjectLayer interface (#11635)

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This commit removes the `GetObject` method
from the `ObjectLayer` interface.

The `GetObject` method is not longer used by
the HTTP handlers implementing the high-level
S3 semantics. Instead, they use the `GetObjectNInfo`
method which returns both, an object handle as well
as the object metadata.

Therefore, it is no longer necessary that a concrete
`ObjectLayer` implements `GetObject`.
This commit is contained in:
Andreas Auernhammer
2021-02-26 18:52:02 +01:00
committed by GitHub
parent f9f6fd0421
commit 1f659204a2
13 changed files with 37 additions and 833 deletions
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4
cmd/gateway/gcs/gateway-gcs.go
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@@ -751,7 +751,7 @@ func (l *gcsGateway) GetObjectNInfo(ctx context.Context, bucket, object string,
pr, pw := io.Pipe()
go func() {
err := l.GetObject(ctx, bucket, object, startOffset, length, pw, objInfo.ETag, opts)
err := l.getObject(ctx, bucket, object, startOffset, length, pw, objInfo.ETag, opts)
pw.CloseWithError(err)
}()
// Setup cleanup function to cause the above go-routine to
@@ -766,7 +766,7 @@ func (l *gcsGateway) GetObjectNInfo(ctx context.Context, bucket, object string,
//
// startOffset indicates the starting read location of the object.
// length indicates the total length of the object.
func (l *gcsGateway) GetObject(ctx context.Context, bucket string, key string, startOffset int64, length int64, writer io.Writer, etag string, opts minio.ObjectOptions) error {
func (l *gcsGateway) getObject(ctx context.Context, bucket string, key string, startOffset int64, length int64, writer io.Writer, etag string, opts minio.ObjectOptions) error {
// if we want to mimic S3 behavior exactly, we need to verify if bucket exists first,
// otherwise gcs will just return object not exist in case of non-existing bucket
if _, err := l.client.Bucket(bucket).Attrs(ctx); err != nil {