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Upgrade ncw/swift to v2

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This commit is contained in:
greatroar 2021-04-09 11:24:28 +02:00 • committed by greatroar
parent ef5672a902
commit e7ec0453b1
5 changed files with 25 additions and 31 deletions
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40
internal/backend/swift/swift.go
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@ -19,7 +19,7 @@ import (
"github.com/restic/restic/internal/restic"
"github.com/cenkalti/backoff/v4"
"github.com/ncw/swift"
"github.com/ncw/swift/v2"
)
// beSwift is a backend which stores the data on a swift endpoint.
@ -36,7 +36,7 @@ var _ restic.Backend = &beSwift{}
// Open opens the swift backend at a container in region. The container is
// created if it does not exist yet.
func Open(cfg Config, rt http.RoundTripper) (restic.Backend, error) {
func Open(ctx context.Context, cfg Config, rt http.RoundTripper) (restic.Backend, error) {
debug.Log("config %#v", cfg)
sem, err := backend.NewSemaphore(cfg.Connections)
@ -79,18 +79,18 @@ func Open(cfg Config, rt http.RoundTripper) (restic.Backend, error) {
// Authenticate if needed
if !be.conn.Authenticated() {
if err := be.conn.Authenticate(); err != nil {
if err := be.conn.Authenticate(ctx); err != nil {
return nil, errors.Wrap(err, "conn.Authenticate")
}
}
// Ensure container exists
switch _, _, err := be.conn.Container(be.container); err {
switch _, _, err := be.conn.Container(ctx, be.container); err {
case nil:
// Container exists
case swift.ContainerNotFound:
err = be.createContainer(cfg.DefaultContainerPolicy)
err = be.createContainer(ctx, cfg.DefaultContainerPolicy)
if err != nil {
return nil, errors.Wrap(err, "beSwift.createContainer")
}
@ -102,7 +102,7 @@ func Open(cfg Config, rt http.RoundTripper) (restic.Backend, error) {
return be, nil
}
func (be *beSwift) createContainer(policy string) error {
func (be *beSwift) createContainer(ctx context.Context, policy string) error {
var h swift.Headers
if policy != "" {
h = swift.Headers{
@ -110,7 +110,7 @@ func (be *beSwift) createContainer(policy string) error {
}
}
return be.conn.ContainerCreate(be.container, h)
return be.conn.ContainerCreate(ctx, be.container, h)
}
// Location returns this backend's location (the container name).
@ -159,7 +159,7 @@ func (be *beSwift) openReader(ctx context.Context, h restic.Handle, length int,
}
be.sem.GetToken()
obj, _, err := be.conn.ObjectOpen(be.container, objName, false, headers)
obj, _, err := be.conn.ObjectOpen(ctx, be.container, objName, false, headers)
if err != nil {
debug.Log(" err %v", err)
be.sem.ReleaseToken()
@ -186,7 +186,9 @@ func (be *beSwift) Save(ctx context.Context, h restic.Handle, rd restic.RewindRe
debug.Log("PutObject(%v, %v, %v)", be.container, objName, encoding)
hdr := swift.Headers{"Content-Length": strconv.FormatInt(rd.Length(), 10)}
_, err := be.conn.ObjectPut(be.container, objName, rd, true, hex.EncodeToString(rd.Hash()), encoding, hdr)
_, err := be.conn.ObjectPut(ctx,
be.container, objName, rd, true, hex.EncodeToString(rd.Hash()),
encoding, hdr)
// swift does not return the upload length
debug.Log("%v, err %#v", objName, err)
@ -202,7 +204,7 @@ func (be *beSwift) Stat(ctx context.Context, h restic.Handle) (bi restic.FileInf
be.sem.GetToken()
defer be.sem.ReleaseToken()
obj, _, err := be.conn.Object(be.container, objName)
obj, _, err := be.conn.Object(ctx, be.container, objName)
if err != nil {
debug.Log("Object() err %v", err)
return restic.FileInfo{}, errors.Wrap(err, "conn.Object")
@ -218,7 +220,7 @@ func (be *beSwift) Test(ctx context.Context, h restic.Handle) (bool, error) {
be.sem.GetToken()
defer be.sem.ReleaseToken()
switch _, _, err := be.conn.Object(be.container, objName); err {
switch _, _, err := be.conn.Object(ctx, be.container, objName); err {
case nil:
return true, nil
@ -237,7 +239,7 @@ func (be *beSwift) Remove(ctx context.Context, h restic.Handle) error {
be.sem.GetToken()
defer be.sem.ReleaseToken()
err := be.conn.ObjectDelete(be.container, objName)
err := be.conn.ObjectDelete(ctx, be.container, objName)
debug.Log("Remove(%v) -> err %v", h, err)
return errors.Wrap(err, "conn.ObjectDelete")
}
@ -250,10 +252,10 @@ func (be *beSwift) List(ctx context.Context, t restic.FileType, fn func(restic.F
prefix, _ := be.Basedir(t)
prefix += "/"
err := be.conn.ObjectsWalk(be.container, &swift.ObjectsOpts{Prefix: prefix},
func(opts *swift.ObjectsOpts) (interface{}, error) {
err := be.conn.ObjectsWalk(ctx, be.container, &swift.ObjectsOpts{Prefix: prefix},
func(ctx context.Context, opts *swift.ObjectsOpts) (interface{}, error) {
be.sem.GetToken()
newObjects, err := be.conn.Objects(be.container, opts)
newObjects, err := be.conn.Objects(ctx, be.container, opts)
be.sem.ReleaseToken()
if err != nil {
@ -270,18 +272,10 @@ func (be *beSwift) List(ctx context.Context, t restic.FileType, fn func(restic.F
Size: obj.Bytes,
}
if ctx.Err() != nil {
return nil, ctx.Err()
}
err := fn(fi)
if err != nil {
return nil, err
}
if ctx.Err() != nil {
return nil, ctx.Err()
}
}
return newObjects, nil
})