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Use path.Join to create the s3 object name within the bucket.

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path.Join already automatically skips empty path segments when
joining, so this simplifies the s3Path code.
This commit is contained in:
Christian Kemper 2016-02-15 09:47:10 -08:00
parent d1ecdf7441
commit a4261dcc9c
1 changed files with 17 additions and 23 deletions
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40
src/restic/backend/s3/s3.go
View file

@ -3,6 +3,7 @@ package s3
import (
"bytes"
"io"
"path"
"restic"
"strings"
@ -54,17 +55,10 @@ func Open(cfg Config) (restic.Backend, error) {
}
func (be *s3) s3path(t restic.FileType, name string) string {
var path string
if be.prefix != "" {
path = be.prefix + "/"
}
path += string(t)
if t == restic.ConfigFile {
return path
return path.Join(be.prefix, string(t))
}
return path + "/" + name
return path.Join(be.prefix, string(t), name)
}
func (be *s3) createConnections() {
@ -85,14 +79,14 @@ func (be s3) Load(h restic.Handle, p []byte, off int64) (n int, err error) {
var obj *minio.Object
debug.Log("%v, offset %v, len %v", h, off, len(p))
path := be.s3path(h.Type, h.Name)
objName := be.s3path(h.Type, h.Name)
<-be.connChan
defer func() {
be.connChan <- struct{}{}
}()
obj, err = be.client.GetObject(be.bucketname, path)
obj, err = be.client.GetObject(be.bucketname, objName)
if err != nil {
debug.Log(" err %v", err)
return 0, errors.Wrap(err, "client.GetObject")
@ -160,10 +154,10 @@ func (be s3) Save(h restic.Handle, p []byte) (err error) {
debug.Log("%v with %d bytes", h, len(p))
path := be.s3path(h.Type, h.Name)
objName := be.s3path(h.Type, h.Name)
// Check key does not already exist
_, err = be.client.StatObject(be.bucketname, path)
_, err = be.client.StatObject(be.bucketname, objName)
if err == nil {
debug.Log("%v already exists", h)
return errors.New("key already exists")
@ -175,9 +169,9 @@ func (be s3) Save(h restic.Handle, p []byte) (err error) {
}()
debug.Log("PutObject(%v, %v, %v, %v)",
be.bucketname, path, int64(len(p)), "binary/octet-stream")
n, err := be.client.PutObject(be.bucketname, path, bytes.NewReader(p), "binary/octet-stream")
debug.Log("%v -> %v bytes, err %#v", path, n, err)
be.bucketname, objName, int64(len(p)), "binary/octet-stream")
n, err := be.client.PutObject(be.bucketname, objName, bytes.NewReader(p), "binary/octet-stream")
debug.Log("%v -> %v bytes, err %#v", objName, n, err)
return errors.Wrap(err, "client.PutObject")
}
@ -186,10 +180,10 @@ func (be s3) Save(h restic.Handle, p []byte) (err error) {
func (be s3) Stat(h restic.Handle) (bi restic.FileInfo, err error) {
debug.Log("%v", h)
path := be.s3path(h.Type, h.Name)
objName := be.s3path(h.Type, h.Name)
var obj *minio.Object
obj, err = be.client.GetObject(be.bucketname, path)
obj, err = be.client.GetObject(be.bucketname, objName)
if err != nil {
debug.Log("GetObject() err %v", err)
return restic.FileInfo{}, errors.Wrap(err, "client.GetObject")
@ -215,8 +209,8 @@ func (be s3) Stat(h restic.Handle) (bi restic.FileInfo, err error) {
// Test returns true if a blob of the given type and name exists in the backend.
func (be *s3) Test(t restic.FileType, name string) (bool, error) {
found := false
path := be.s3path(t, name)
_, err := be.client.StatObject(be.bucketname, path)
objName := be.s3path(t, name)
_, err := be.client.StatObject(be.bucketname, objName)
if err == nil {
found = true
}
@ -227,8 +221,8 @@ func (be *s3) Test(t restic.FileType, name string) (bool, error) {
// Remove removes the blob with the given name and type.
func (be *s3) Remove(t restic.FileType, name string) error {
path := be.s3path(t, name)
err := be.client.RemoveObject(be.bucketname, path)
objName := be.s3path(t, name)
err := be.client.RemoveObject(be.bucketname, objName)
debug.Log("%v %v -> err %v", t, name, err)
return errors.Wrap(err, "client.RemoveObject")
}
@ -240,7 +234,7 @@ func (be *s3) List(t restic.FileType, done <-chan struct{}) <-chan string {
debug.Log("listing %v", t)
ch := make(chan string)
prefix := be.s3path(t, "")
prefix := be.s3path(t, "") + "/"
listresp := be.client.ListObjects(be.bucketname, prefix, true, done)