mirror of
https://github.com/rclone/rclone.git
synced 2026-10-10 06:55:45 -04:00
Nick Craig-Wood
512f6193a2
When a backend rejected the multipart upload as too small, the subtest
skipped without removing its local source file, so the following
upload subtests failed their local listing checks.
(cherry picked from commit ee9c228012)
346 lines
10 KiB
Go
346 lines
10 KiB
Go
package operations
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/rclone/rclone/fs/accounting"
|
|
"github.com/rclone/rclone/fs/hash"
|
|
"github.com/rclone/rclone/fs/object"
|
|
"github.com/rclone/rclone/fstest/mockfs"
|
|
"github.com/rclone/rclone/fstest/mockobject"
|
|
"github.com/rclone/rclone/lib/random"
|
|
|
|
"github.com/rclone/rclone/fs"
|
|
"github.com/rclone/rclone/fstest"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestDoMultiThreadCopy(t *testing.T) {
|
|
ctx := context.Background()
|
|
ci := fs.GetConfig(ctx)
|
|
f, err := mockfs.NewFs(ctx, "potato", "", nil)
|
|
require.NoError(t, err)
|
|
src := mockobject.New("file.txt").WithContent([]byte(random.String(100)), mockobject.SeekModeNone)
|
|
srcFs, err := mockfs.NewFs(ctx, "sausage", "", nil)
|
|
require.NoError(t, err)
|
|
src.SetFs(srcFs)
|
|
|
|
oldStreams := ci.MultiThreadStreams
|
|
oldCutoff := ci.MultiThreadCutoff
|
|
oldIsSet := ci.MultiThreadSet
|
|
defer func() {
|
|
ci.MultiThreadStreams = oldStreams
|
|
ci.MultiThreadCutoff = oldCutoff
|
|
ci.MultiThreadSet = oldIsSet
|
|
}()
|
|
|
|
ci.MultiThreadStreams, ci.MultiThreadCutoff = 4, 50
|
|
ci.MultiThreadSet = false
|
|
|
|
nullWriterAt := func(ctx context.Context, remote string, size int64) (fs.WriterAtCloser, error) {
|
|
panic("don't call me")
|
|
}
|
|
f.Features().OpenWriterAt = nullWriterAt
|
|
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
|
|
ci.MultiThreadStreams = 0
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
ci.MultiThreadStreams = 1
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
ci.MultiThreadStreams = 2
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
|
|
ci.MultiThreadCutoff = 200
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
ci.MultiThreadCutoff = 101
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
ci.MultiThreadCutoff = 100
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
|
|
f.Features().OpenWriterAt = nil
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
f.Features().OpenWriterAt = nullWriterAt
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
|
|
f.Features().IsLocal = true
|
|
srcFs.Features().IsLocal = true
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
ci.MultiThreadSet = true
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
ci.MultiThreadSet = false
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
srcFs.Features().IsLocal = false
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
srcFs.Features().IsLocal = true
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
f.Features().IsLocal = false
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
srcFs.Features().IsLocal = false
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
|
|
srcFs.Features().NoMultiThreading = true
|
|
assert.False(t, doMultiThreadCopy(ctx, f, src))
|
|
srcFs.Features().NoMultiThreading = false
|
|
assert.True(t, doMultiThreadCopy(ctx, f, src))
|
|
}
|
|
|
|
func TestMultithreadCalculateNumChunks(t *testing.T) {
|
|
for _, test := range []struct {
|
|
size int64
|
|
chunkSize int64
|
|
wantNumChunks int
|
|
}{
|
|
{size: 1, chunkSize: multithreadChunkSize, wantNumChunks: 1},
|
|
{size: 1 << 20, chunkSize: 1, wantNumChunks: 1 << 20},
|
|
{size: 1 << 20, chunkSize: 2, wantNumChunks: 1 << 19},
|
|
{size: (1 << 20) + 1, chunkSize: 2, wantNumChunks: (1 << 19) + 1},
|
|
{size: (1 << 20) - 1, chunkSize: 2, wantNumChunks: 1 << 19},
|
|
} {
|
|
t.Run(fmt.Sprintf("%+v", test), func(t *testing.T) {
|
|
mc := &multiThreadCopyState{}
|
|
mc.numChunks = calculateNumChunks(test.size, test.chunkSize)
|
|
assert.Equal(t, test.wantNumChunks, mc.numChunks)
|
|
})
|
|
}
|
|
}
|
|
|
|
// Skip if not multithread, returning the chunkSize otherwise
|
|
func skipIfNotMultithread(ctx context.Context, t *testing.T, r *fstest.Run) int {
|
|
features := r.Fremote.Features()
|
|
if features.OpenChunkWriter == nil && features.OpenWriterAt == nil {
|
|
t.Skip("multithread writing not supported")
|
|
}
|
|
|
|
// Only support one hash for the local backend otherwise we end up spending a huge amount of CPU on hashing!
|
|
if r.Fremote.Features().IsLocal {
|
|
oldHashes := hash.SupportOnly([]hash.Type{r.Fremote.Hashes().GetOne()})
|
|
t.Cleanup(func() {
|
|
_ = hash.SupportOnly(oldHashes)
|
|
})
|
|
}
|
|
|
|
ci := fs.GetConfig(ctx)
|
|
chunkSize := int(ci.MultiThreadChunkSize)
|
|
if features.OpenChunkWriter != nil {
|
|
//OpenChunkWriter func(ctx context.Context, remote string, src ObjectInfo, options ...OpenOption) (info ChunkWriterInfo, writer ChunkWriter, err error)
|
|
const fileName = "chunksize-probe"
|
|
src := object.NewStaticObjectInfo(fileName, time.Now(), int64(100*fs.Mebi), true, nil, nil)
|
|
info, writer, err := features.OpenChunkWriter(ctx, fileName, src)
|
|
if err != nil {
|
|
// If the probe fails because the file is too small, skip
|
|
if errors.Is(err, fs.ErrorFileTooSmall) {
|
|
t.Skipf("probe file too small for multipart upload: %v", err)
|
|
}
|
|
require.NoError(t, err)
|
|
}
|
|
chunkSize = int(info.ChunkSize)
|
|
err = writer.Abort(ctx)
|
|
require.NoError(t, err)
|
|
}
|
|
return chunkSize
|
|
}
|
|
|
|
func TestMultithreadCopy(t *testing.T) {
|
|
r := fstest.NewRun(t)
|
|
ctx := context.Background()
|
|
chunkSize := skipIfNotMultithread(ctx, t, r)
|
|
// Check every other transfer for metadata
|
|
checkMetadata := false
|
|
ctx, ci := fs.AddConfig(ctx)
|
|
|
|
for _, upload := range []bool{false, true} {
|
|
for _, test := range []struct {
|
|
size int
|
|
streams int
|
|
}{
|
|
{size: chunkSize*2 - 1, streams: 2},
|
|
{size: chunkSize * 2, streams: 2},
|
|
{size: chunkSize*2 + 1, streams: 2},
|
|
} {
|
|
checkMetadata = !checkMetadata
|
|
ci.Metadata = checkMetadata
|
|
fileName := fmt.Sprintf("test-multithread-copy-%v-%d-%d", upload, test.size, test.streams)
|
|
t.Run(fmt.Sprintf("upload=%v,size=%v,streams=%v", upload, test.size, test.streams), func(t *testing.T) {
|
|
if *fstest.SizeLimit > 0 && int64(test.size) > *fstest.SizeLimit {
|
|
t.Skipf("exceeded file size limit %d > %d", test.size, *fstest.SizeLimit)
|
|
}
|
|
var (
|
|
contents = random.String(test.size)
|
|
t1 = fstest.Time("2001-02-03T04:05:06.499999999Z")
|
|
file1 fstest.Item
|
|
src, dst fs.Object
|
|
err error
|
|
testMetadata = fs.Metadata{
|
|
// System metadata supported by all backends
|
|
"mtime": t1.Format(time.RFC3339Nano),
|
|
// User metadata
|
|
"potato": "jersey",
|
|
}
|
|
)
|
|
|
|
var fSrc, fDst fs.Fs
|
|
if upload {
|
|
file1 = r.WriteFile(fileName, contents, t1)
|
|
r.CheckRemoteItems(t)
|
|
r.CheckLocalItems(t, file1)
|
|
fDst, fSrc = r.Fremote, r.Flocal
|
|
} else {
|
|
file1 = r.WriteObject(ctx, fileName, contents, t1)
|
|
r.CheckRemoteItems(t, file1)
|
|
r.CheckLocalItems(t)
|
|
fDst, fSrc = r.Flocal, r.Fremote
|
|
}
|
|
src, err = fSrc.NewObject(ctx, fileName)
|
|
require.NoError(t, err)
|
|
|
|
do, canSetMetadata := src.(fs.SetMetadataer)
|
|
if checkMetadata && canSetMetadata {
|
|
// Set metadata on the source if required
|
|
err := do.SetMetadata(ctx, testMetadata)
|
|
if err == fs.ErrorNotImplemented {
|
|
canSetMetadata = false
|
|
} else {
|
|
require.NoError(t, err)
|
|
fstest.CheckEntryMetadata(ctx, t, r.Flocal, src, testMetadata)
|
|
}
|
|
}
|
|
|
|
accounting.GlobalStats().ResetCounters()
|
|
tr := accounting.GlobalStats().NewTransfer(src, nil)
|
|
|
|
defer func() {
|
|
tr.Done(ctx, err)
|
|
}()
|
|
|
|
dst, err = multiThreadCopy(ctx, fDst, fileName, src, test.streams, tr)
|
|
if errors.Is(err, fs.ErrorFileTooSmall) {
|
|
require.NoError(t, src.Remove(ctx))
|
|
t.Skipf("file too small for multipart upload: %v", err)
|
|
}
|
|
require.NoError(t, err)
|
|
|
|
assert.Equal(t, src.Size(), dst.Size())
|
|
assert.Equal(t, fileName, dst.Remote())
|
|
fstest.CheckListingWithPrecision(t, fSrc, []fstest.Item{file1}, nil, fs.GetModifyWindow(ctx, fDst, fSrc))
|
|
fstest.CheckListingWithPrecision(t, fDst, []fstest.Item{file1}, nil, fs.GetModifyWindow(ctx, fDst, fSrc))
|
|
|
|
if checkMetadata && canSetMetadata && fDst.Features().ReadMetadata {
|
|
fstest.CheckEntryMetadata(ctx, t, fDst, dst, testMetadata)
|
|
}
|
|
|
|
require.NoError(t, dst.Remove(ctx))
|
|
require.NoError(t, src.Remove(ctx))
|
|
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
type errorObject struct {
|
|
fs.Object
|
|
size int64
|
|
wg *sync.WaitGroup
|
|
}
|
|
|
|
// Open opens the file for read. Call Close() on the returned io.ReadCloser
|
|
//
|
|
// Remember this is called multiple times whenever the backend seeks (eg having read checksum)
|
|
func (o errorObject) Open(ctx context.Context, options ...fs.OpenOption) (io.ReadCloser, error) {
|
|
fs.Debugf(nil, "Open with options = %v", options)
|
|
rc, err := o.Object.Open(ctx, options...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Return an error reader for the second segment
|
|
for _, option := range options {
|
|
if ropt, ok := option.(*fs.RangeOption); ok {
|
|
end := ropt.End + 1
|
|
if end >= o.size {
|
|
// Give the other chunks a chance to start
|
|
time.Sleep(time.Second)
|
|
// Wait for chunks to upload first
|
|
o.wg.Wait()
|
|
fs.Debugf(nil, "Returning error reader")
|
|
return errorReadCloser{rc}, nil
|
|
}
|
|
}
|
|
}
|
|
o.wg.Add(1)
|
|
return wgReadCloser{rc, o.wg}, nil
|
|
}
|
|
|
|
type errorReadCloser struct {
|
|
io.ReadCloser
|
|
}
|
|
|
|
func (rc errorReadCloser) Read(p []byte) (n int, err error) {
|
|
fs.Debugf(nil, "BOOM: simulated read failure")
|
|
return 0, errors.New("BOOM: simulated read failure")
|
|
}
|
|
|
|
type wgReadCloser struct {
|
|
io.ReadCloser
|
|
wg *sync.WaitGroup
|
|
}
|
|
|
|
func (rc wgReadCloser) Close() (err error) {
|
|
rc.wg.Done()
|
|
return rc.ReadCloser.Close()
|
|
}
|
|
|
|
// Make sure aborting the multi-thread copy doesn't overwrite an existing file.
|
|
func TestMultithreadCopyAbort(t *testing.T) {
|
|
r := fstest.NewRun(t)
|
|
ctx := context.Background()
|
|
chunkSize := skipIfNotMultithread(ctx, t, r)
|
|
size := 2*chunkSize + 1
|
|
if *fstest.SizeLimit > 0 && int64(size) > *fstest.SizeLimit {
|
|
t.Skipf("exceeded file size limit %d > %d", size, *fstest.SizeLimit)
|
|
}
|
|
|
|
// first write a canary file which we are trying not to overwrite
|
|
const fileName = "test-multithread-abort"
|
|
contents := random.String(100)
|
|
t1 := fstest.Time("2001-02-03T04:05:06.499999999Z")
|
|
canary := r.WriteObject(ctx, fileName, contents, t1)
|
|
r.CheckRemoteItems(t, canary)
|
|
|
|
// Now write a local file to upload
|
|
file1 := r.WriteFile(fileName, random.String(size), t1)
|
|
r.CheckLocalItems(t, file1)
|
|
|
|
src, err := r.Flocal.NewObject(ctx, fileName)
|
|
require.NoError(t, err)
|
|
accounting.GlobalStats().ResetCounters()
|
|
tr := accounting.GlobalStats().NewTransfer(src, nil)
|
|
|
|
defer func() {
|
|
tr.Done(ctx, err)
|
|
}()
|
|
wg := new(sync.WaitGroup)
|
|
dst, err := multiThreadCopy(ctx, r.Fremote, fileName, errorObject{src, int64(size), wg}, 1, tr)
|
|
if errors.Is(err, fs.ErrorFileTooSmall) {
|
|
t.Skipf("file too small for multipart upload: %v", err)
|
|
}
|
|
assert.Error(t, err)
|
|
assert.Nil(t, dst)
|
|
|
|
if r.Fremote.Features().PartialUploads {
|
|
r.CheckRemoteItems(t)
|
|
|
|
} else {
|
|
r.CheckRemoteItems(t, canary)
|
|
o, err := r.Fremote.NewObject(ctx, fileName)
|
|
require.NoError(t, err)
|
|
require.NoError(t, o.Remove(ctx))
|
|
}
|
|
}
|