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Adding sys. as reserved in erasureWriter

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This commit is contained in:
Frederick F. Kautz IV
2015-03-23 11:56:16 -07:00
parent 920c734b2f
commit d57e9d6c18
2 changed files with 25 additions and 1 deletions
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8
pkg/storage/donut/erasure.go
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@@ -11,6 +11,7 @@ import (
"errors"
"github.com/minio-io/minio/pkg/encoding/erasure"
"github.com/minio-io/minio/pkg/utils/split"
"strings"
)
func erasureReader(readers []io.ReadCloser, donutMetadata map[string]string, writer *io.PipeWriter) {
@@ -108,8 +109,8 @@ func erasureGoroutine(r *io.PipeReader, eWriter erasureWriter, isClosed chan<- b
metadata["erasureK"] = "8"
metadata["erasureM"] = "8"
metadata["erasureTechnique"] = "Cauchy"
metadata["totalLength"] = strconv.Itoa(totalLength)
metadata["md5"] = hex.EncodeToString(dataMd5sum)
metadata["totalLength"] = strconv.Itoa(totalLength)
for _, nodeWriter := range eWriter.writers {
if nodeWriter != nil {
nodeWriter.SetMetadata(eWriter.metadata)
@@ -141,6 +142,11 @@ func (d erasureWriter) CloseWithError(err error) error {
}
func (d erasureWriter) SetMetadata(metadata map[string]string) error {
for k, _ := range metadata {
if strings.HasPrefix(k, "sys.") {
return errors.New("Invalid key '" + k + "', cannot start with sys.'")
}
}
for k := range d.metadata {
delete(d.metadata, k)
}