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

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
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@ -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)