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package filersink
import (
"fmt"
"github.com/schollz/progressbar/v3"
"github.com/seaweedfs/seaweedfs/weed/util"
"os"
"path/filepath"
"sync"
"google.golang.org/grpc"
"github.com/seaweedfs/seaweedfs/weed/util/log"
"github.com/seaweedfs/seaweedfs/weed/operation"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
)
func (fs *FilerSink) replicateChunks(sourceChunks []*filer_pb.FileChunk, path string) (replicatedChunks []*filer_pb.FileChunk, err error) {
if len(sourceChunks) == 0 {
return
}
// a simple progress bar. Not ideal. Fix me.
var bar *progressbar.ProgressBar
if len(sourceChunks) > 1 {
name := filepath.Base(path)
bar = progressbar.NewOptions64(int64(len(sourceChunks)),
progressbar.OptionClearOnFinish(),
progressbar.OptionOnCompletion(func() {
fmt.Fprint(os.Stderr, "\n")
}),
progressbar.OptionFullWidth(),
progressbar.OptionSetDescription(name),
)
}
replicatedChunks = make([]*filer_pb.FileChunk, len(sourceChunks))
var wg sync.WaitGroup
for chunkIndex, sourceChunk := range sourceChunks {
wg.Add(1)
index, source := chunkIndex, sourceChunk
fs.executor.Execute(func() {
defer wg.Done()
util.Retry("replicate chunks", func() error {
replicatedChunk, e := fs.replicateOneChunk(source, path)
if e != nil {
err = e
return e
}
replicatedChunks[index] = replicatedChunk
if bar != nil {
bar.Add(1)
}
err = nil
return nil
})
})
}
wg.Wait()
return
}
func (fs *FilerSink) replicateOneChunk(sourceChunk *filer_pb.FileChunk, path string) (*filer_pb.FileChunk, error) {
fileId, err := fs.fetchAndWrite(sourceChunk, path)
if err != nil {
return nil, fmt.Errorf("copy %s: %v", sourceChunk.GetFileIdString(), err)
}
return &filer_pb.FileChunk{
FileId: fileId,
Offset: sourceChunk.Offset,
Size: sourceChunk.Size,
ModifiedTsNs: sourceChunk.ModifiedTsNs,
ETag: sourceChunk.ETag,
SourceFileId: sourceChunk.GetFileIdString(),
CipherKey: sourceChunk.CipherKey,
IsCompressed: sourceChunk.IsCompressed,
}, nil
}
func (fs *FilerSink) fetchAndWrite(sourceChunk *filer_pb.FileChunk, path string) (fileId string, err error) {
filename, header, resp, err := fs.filerSource.ReadPart(sourceChunk.GetFileIdString())
if err != nil {
return "", fmt.Errorf("read part %s: %v", sourceChunk.GetFileIdString(), err)
}
defer util_http.CloseResponse(resp)
uploader, err := operation.NewUploader()
if err != nil {
log.V(3).Infof("upload source data %v: %v", sourceChunk.GetFileIdString(), err)
return "", fmt.Errorf("upload data: %v", err)
}
fileId, uploadResult, err, _ := uploader.UploadWithRetry(
fs,
&filer_pb.AssignVolumeRequest{
Count: 1,
Replication: fs.replication,
Collection: fs.collection,
TtlSec: fs.ttlSec,
DataCenter: fs.dataCenter,
DiskType: fs.diskType,
Path: path,
},
&operation.UploadOption{
Filename: filename,
Cipher: false,
IsInputCompressed: "gzip" == header.Get("Content-Encoding"),
MimeType: header.Get("Content-Type"),
PairMap: nil,
},
func(host, fileId string) string {
fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
if fs.writeChunkByFiler {
fileUrl = fmt.Sprintf("http://%s/?proxyChunkId=%s", fs.address, fileId)
}
log.V(-1).Infof("replicating %s to %s header:%+v", filename, fileUrl, header)
return fileUrl
},
resp.Body,
)
if err != nil {
log.V(3).Infof("upload source data %v: %v", sourceChunk.GetFileIdString(), err)
return "", fmt.Errorf("upload data: %v", err)
}
if uploadResult.Error != "" {
log.V(3).Infof("upload failure %v: %v", filename, err)
return "", fmt.Errorf("upload result: %v", uploadResult.Error)
}
return
}
var _ = filer_pb.FilerClient(&FilerSink{})
func (fs *FilerSink) WithFilerClient(streamingMode bool, fn func(filer_pb.SeaweedFilerClient) error) error {
return pb.WithGrpcClient(streamingMode, fs.signature, func(grpcConnection *grpc.ClientConn) error {
client := filer_pb.NewSeaweedFilerClient(grpcConnection)
return fn(client)
}, fs.grpcAddress, false, fs.grpcDialOption)
}
func (fs *FilerSink) AdjustedUrl(location *filer_pb.Location) string {
return location.Url
}
func (fs *FilerSink) GetDataCenter() string {
return fs.dataCenter
}
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