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Adding iodine to node_local

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This commit is contained in:
Frederick F. Kautz IV 2015-03-26 10:21:24 -07:00
parent 8cf66ede66
commit 5cdf2564a5
1 changed files with 19 additions and 11 deletions
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30
pkg/storage/donut/node_local.go
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@ -8,6 +8,7 @@ import (
"strings"
"encoding/json"
"github.com/minio-io/iodine"
"io/ioutil"
"path/filepath"
)
@ -18,13 +19,13 @@ type localDirectoryNode struct {
func (d localDirectoryNode) CreateBucket(bucket string) error {
objectPath := path.Join(d.root, bucket)
return os.MkdirAll(objectPath, 0700)
return iodine.Error(os.MkdirAll(objectPath, 0700), map[string]string{"bucket": bucket})
}
func (d localDirectoryNode) GetBuckets() ([]string, error) {
files, err := ioutil.ReadDir(d.root)
if err != nil {
return nil, err
return nil, iodine.Error(err, nil)
}
var results []string
for _, file := range files {
@ -36,46 +37,53 @@ func (d localDirectoryNode) GetBuckets() ([]string, error) {
}
func (d localDirectoryNode) GetWriter(bucket, object string) (Writer, error) {
errParams := map[string]string{"bucket": bucket, "object": object}
objectPath := path.Join(d.root, bucket, object)
err := os.MkdirAll(objectPath, 0700)
if err != nil {
return nil, err
return nil, iodine.Error(err, errParams)
}
return newDonutObjectWriter(objectPath)
writer, err := newDonutObjectWriter(objectPath)
return writer, iodine.Error(err, errParams)
}
func (d localDirectoryNode) GetReader(bucket, object string) (io.ReadCloser, error) {
return os.Open(path.Join(d.root, bucket, object, "data"))
reader, err := os.Open(path.Join(d.root, bucket, object, "data"))
return reader, iodine.Error(err, map[string]string{"bucket": bucket, "object": object})
}
func (d localDirectoryNode) GetMetadata(bucket, object string) (map[string]string, error) {
return d.getMetadata(bucket, object, "metadata.json")
m, err := d.getMetadata(bucket, object, "metadata.json")
return m, iodine.Error(err, map[string]string{"bucket": bucket, "object": object})
}
func (d localDirectoryNode) GetDonutMetadata(bucket, object string) (map[string]string, error) {
return d.getMetadata(bucket, object, "donutMetadata.json")
m, err := d.getMetadata(bucket, object, "donutMetadata.json")
return m, iodine.Error(err, map[string]string{"bucket": bucket, "object": object})
}
func (d localDirectoryNode) getMetadata(bucket, object, fileName string) (map[string]string, error) {
errParams := map[string]string{"bucket": bucket, "object": object, "file": fileName}
file, err := os.Open(path.Join(d.root, bucket, object, fileName))
defer file.Close()
if err != nil {
return nil, err
return nil, iodine.Error(err, errParams)
}
metadata := make(map[string]string)
decoder := json.NewDecoder(file)
if err := decoder.Decode(&metadata); err != nil {
return nil, err
return nil, iodine.Error(err, errParams)
}
return metadata, nil
}
func (d localDirectoryNode) ListObjects(bucketName string) ([]string, error) {
errParams := map[string]string{"bucket": bucketName}
prefix := path.Join(d.root, bucketName)
var objects []string
if err := filepath.Walk(prefix, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
return iodine.Error(err, errParams)
}
if !info.IsDir() && strings.HasSuffix(path, "data") {
object := strings.TrimPrefix(path, prefix+"/")
@ -84,7 +92,7 @@ func (d localDirectoryNode) ListObjects(bucketName string) ([]string, error) {
}
return nil
}); err != nil {
return nil, err
return nil, iodine.Error(err, errParams)
}
sort.Strings(objects)
return objects, nil