TrueCloudLab/rclone
16
0
Fork 4
Code Issues 1 Pull requests Projects Releases 4 Packages Wiki Activity Actions

backends: Add context checking to remaining backends #4504

Browse source 
This is a follow up to 4013bc4a4c which missed some backends.

It adds a ctx parameter to shouldRetry and checks it.
This commit is contained in:
Nick Craig-Wood 2021-03-16 15:50:02 +00:00
parent f76c6cc893
commit f2c0f82fc6
9 changed files with 241 additions and 217 deletions
Download patch file Download diff file Expand all files Collapse all files

43
backend/swift/swift.go
View file

@ -291,7 +291,10 @@ var retryErrorCodes = []int{
// shouldRetry returns a boolean as to whether this err deserves to be
// retried. It returns the err as a convenience
func shouldRetry(err error) (bool, error) {
func shouldRetry(ctx context.Context, err error) (bool, error) {
if fserrors.ContextError(ctx, &err) {
return false, err
}
// If this is a swift.Error object extract the HTTP error code
if swiftError, ok := err.(*swift.Error); ok {
for _, e := range retryErrorCodes {
@ -307,7 +310,7 @@ func shouldRetry(err error) (bool, error) {
// shouldRetryHeaders returns a boolean as to whether this err
// deserves to be retried. It reads the headers passed in looking for
// `Retry-After`. It returns the err as a convenience
func shouldRetryHeaders(headers swift.Headers, err error) (bool, error) {
func shouldRetryHeaders(ctx context.Context, headers swift.Headers, err error) (bool, error) {
if swiftError, ok := err.(*swift.Error); ok && swiftError.StatusCode == 429 {
if value := headers["Retry-After"]; value != "" {
retryAfter, parseErr := strconv.Atoi(value)
@ -326,7 +329,7 @@ func shouldRetryHeaders(headers swift.Headers, err error) (bool, error) {
}
}
}
return shouldRetry(err)
return shouldRetry(ctx, err)
}
// parsePath parses a remote 'url'
@ -468,7 +471,7 @@ func NewFsWithConnection(ctx context.Context, opt *Options, name, root string, c
err = f.pacer.Call(func() (bool, error) {
var rxHeaders swift.Headers
info, rxHeaders, err = f.c.Object(ctx, f.rootContainer, encodedDirectory)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
if err == nil && info.ContentType != directoryMarkerContentType {
newRoot := path.Dir(f.root)
@ -576,7 +579,7 @@ func (f *Fs) listContainerRoot(ctx context.Context, container, directory, prefix
var err error
err = f.pacer.Call(func() (bool, error) {
objects, err = f.c.Objects(ctx, container, opts)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
if err == nil {
for i := range objects {
@ -661,7 +664,7 @@ func (f *Fs) listContainers(ctx context.Context) (entries fs.DirEntries, err err
var containers []swift.Container
err = f.pacer.Call(func() (bool, error) {
containers, err = f.c.ContainersAll(ctx, nil)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
if err != nil {
return nil, errors.Wrap(err, "container listing failed")
@ -753,7 +756,7 @@ func (f *Fs) About(ctx context.Context) (*fs.Usage, error) {
var err error
err = f.pacer.Call(func() (bool, error) {
containers, err = f.c.ContainersAll(ctx, nil)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
if err != nil {
return nil, errors.Wrap(err, "container listing failed")
@ -805,7 +808,7 @@ func (f *Fs) makeContainer(ctx context.Context, container string) error {
err = f.pacer.Call(func() (bool, error) {
var rxHeaders swift.Headers
_, rxHeaders, err = f.c.Container(ctx, container)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
}
if err == swift.ContainerNotFound {
@ -815,7 +818,7 @@ func (f *Fs) makeContainer(ctx context.Context, container string) error {
}
err = f.pacer.Call(func() (bool, error) {
err = f.c.ContainerCreate(ctx, container, headers)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
if err == nil {
fs.Infof(f, "Container %q created", container)
@ -836,7 +839,7 @@ func (f *Fs) Rmdir(ctx context.Context, dir string) error {
err := f.cache.Remove(container, func() error {
err := f.pacer.Call(func() (bool, error) {
err := f.c.ContainerDelete(ctx, container)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
if err == nil {
fs.Infof(f, "Container %q removed", container)
@ -906,7 +909,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
err = f.pacer.Call(func() (bool, error) {
var rxHeaders swift.Headers
rxHeaders, err = f.c.ObjectCopy(ctx, srcContainer, srcPath, dstContainer, dstPath, nil)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
if err != nil {
return nil, err
@ -1041,7 +1044,7 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {
container, containerPath := o.split()
err = o.fs.pacer.Call(func() (bool, error) {
info, h, err = o.fs.c.Object(ctx, container, containerPath)
return shouldRetryHeaders(h, err)
return shouldRetryHeaders(ctx, h, err)
})
if err != nil {
if err == swift.ObjectNotFound {
@ -1100,7 +1103,7 @@ func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
container, containerPath := o.split()
return o.fs.pacer.Call(func() (bool, error) {
err = o.fs.c.ObjectUpdate(ctx, container, containerPath, newHeaders)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
}
@ -1121,7 +1124,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
err = o.fs.pacer.Call(func() (bool, error) {
var rxHeaders swift.Headers
in, rxHeaders, err = o.fs.c.ObjectOpen(ctx, container, containerPath, !isRanging, headers)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
return
}
@ -1211,7 +1214,7 @@ func (o *Object) updateChunks(ctx context.Context, in0 io.Reader, headers swift.
err = o.fs.pacer.Call(func() (bool, error) {
var rxHeaders swift.Headers
_, rxHeaders, err = o.fs.c.Container(ctx, segmentsContainer)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
if err == swift.ContainerNotFound {
headers := swift.Headers{}
@ -1220,7 +1223,7 @@ func (o *Object) updateChunks(ctx context.Context, in0 io.Reader, headers swift.
}
err = o.fs.pacer.Call(func() (bool, error) {
err = o.fs.c.ContainerCreate(ctx, segmentsContainer, headers)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
}
if err != nil {
@ -1267,7 +1270,7 @@ func (o *Object) updateChunks(ctx context.Context, in0 io.Reader, headers swift.
if err == nil {
segmentInfos = append(segmentInfos, segmentPath)
}
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
if err != nil {
return "", err
@ -1281,7 +1284,7 @@ func (o *Object) updateChunks(ctx context.Context, in0 io.Reader, headers swift.
err = o.fs.pacer.Call(func() (bool, error) {
var rxHeaders swift.Headers
rxHeaders, err = o.fs.c.ObjectPut(ctx, container, containerPath, emptyReader, true, "", contentType, headers)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
if err == nil {
@ -1356,7 +1359,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
var rxHeaders swift.Headers
err = o.fs.pacer.CallNoRetry(func() (bool, error) {
rxHeaders, err = o.fs.c.ObjectPut(ctx, container, containerPath, in, true, "", contentType, headers)
return shouldRetryHeaders(rxHeaders, err)
return shouldRetryHeaders(ctx, rxHeaders, err)
})
if err != nil {
return err
@ -1414,7 +1417,7 @@ func (o *Object) Remove(ctx context.Context) (err error) {
// Remove file/manifest first
err = o.fs.pacer.Call(func() (bool, error) {
err = o.fs.c.ObjectDelete(ctx, container, containerPath)
return shouldRetry(err)
return shouldRetry(ctx, err)
})
if err != nil {
return err