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Object metadata was wrongly misconstrued to be mutable, handle it

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This commit is contained in:
Harshavardhana
2015-06-26 23:22:30 -07:00
parent 39f26acbc9
commit 9a4680475f
6 changed files with 43 additions and 38 deletions
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pkg/storage/donut/bucket.go
+11 -5
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@@ -36,6 +36,10 @@ import (
"github.com/minio/minio/pkg/utils/split"
)
const (
blockSize = 10 * 1024 * 1024
)
// internal struct carrying bucket specific information
type bucket struct {
name string
@@ -72,7 +76,7 @@ func newBucket(bucketName, aclType, donutName string, nodes map[string]node) (bu
metadata.ACL = aclType
metadata.Created = t
metadata.Metadata = make(map[string]string)
metadata.BucketObjectsMetadata = make(map[string]map[string]string)
metadata.BucketObjects = make(map[string]interface{})
return b, metadata, nil
}
@@ -153,7 +157,7 @@ func (b bucket) ListObjects(prefix, marker, delimiter string, maxkeys int) ([]st
if err != nil {
return nil, nil, false, iodine.New(err, nil)
}
for objectName := range bucketMetadata.Buckets[b.getBucketName()].BucketObjectsMetadata {
for objectName := range bucketMetadata.Buckets[b.getBucketName()].BucketObjects {
if strings.HasPrefix(objectName, strings.TrimSpace(prefix)) {
if objectName > marker {
objects = appendUniq(objects, objectName)
@@ -203,7 +207,7 @@ func (b bucket) ReadObject(objectName string) (reader io.ReadCloser, size int64,
return nil, 0, iodine.New(err, nil)
}
// check if object exists
if _, ok := bucketMetadata.Buckets[b.getBucketName()].BucketObjectsMetadata[objectName]; !ok {
if _, ok := bucketMetadata.Buckets[b.getBucketName()].BucketObjects[objectName]; !ok {
return nil, 0, iodine.New(ObjectNotFound{Object: objectName}, nil)
}
objMetadata := ObjectMetadata{}
@@ -227,7 +231,7 @@ func (b bucket) ReadObject(objectName string) (reader io.ReadCloser, size int64,
}
// WriteObject - write a new object into bucket
func (b bucket) WriteObject(objectName string, objectData io.Reader, expectedMD5Sum string) (string, error) {
func (b bucket) WriteObject(objectName string, objectData io.Reader, expectedMD5Sum string, metadata map[string]string) (string, error) {
b.lock.Lock()
defer b.lock.Unlock()
if objectName == "" || objectData == nil {
@@ -263,7 +267,7 @@ func (b bucket) WriteObject(objectName string, objectData io.Reader, expectedMD5
return "", iodine.New(err, nil)
}
/// donutMetadata section
objMetadata.BlockSize = 10 * 1024 * 1024
objMetadata.BlockSize = blockSize
objMetadata.ChunkCount = chunkCount
objMetadata.DataDisks = k
objMetadata.ParityDisks = m
@@ -284,6 +288,8 @@ func (b bucket) WriteObject(objectName string, objectData io.Reader, expectedMD5
return "", iodine.New(err, nil)
}
}
objMetadata.Metadata = metadata
// write object specific metadata
if err := b.writeObjectMetadata(normalizeObjectName(objectName), objMetadata); err != nil {
return "", iodine.New(err, nil)