mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-05-17 00:41:41 +02:00
475 lines
14 KiB
Go
475 lines
14 KiB
Go
package command
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import (
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"context"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"sync"
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"time"
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"google.golang.org/grpc"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/security"
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"github.com/chrislusf/seaweedfs/weed/util"
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"github.com/chrislusf/seaweedfs/weed/wdclient"
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)
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var (
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copy CopyOptions
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waitGroup sync.WaitGroup
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)
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type CopyOptions struct {
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include *string
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replication *string
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collection *string
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ttl *string
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maxMB *int
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masterClient *wdclient.MasterClient
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concurrenctFiles *int
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concurrenctChunks *int
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compressionLevel *int
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grpcDialOption grpc.DialOption
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masters []string
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}
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func init() {
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cmdCopy.Run = runCopy // break init cycle
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cmdCopy.IsDebug = cmdCopy.Flag.Bool("debug", false, "verbose debug information")
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copy.include = cmdCopy.Flag.String("include", "", "pattens of files to copy, e.g., *.pdf, *.html, ab?d.txt, works together with -dir")
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copy.replication = cmdCopy.Flag.String("replication", "", "replication type")
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copy.collection = cmdCopy.Flag.String("collection", "", "optional collection name")
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copy.ttl = cmdCopy.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
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copy.maxMB = cmdCopy.Flag.Int("maxMB", 32, "split files larger than the limit")
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copy.concurrenctFiles = cmdCopy.Flag.Int("c", 8, "concurrent file copy goroutines")
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copy.concurrenctChunks = cmdCopy.Flag.Int("concurrentChunks", 8, "concurrent chunk copy goroutines for each file")
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copy.compressionLevel = cmdCopy.Flag.Int("compressionLevel", 9, "local file compression level 1 ~ 9")
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}
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var cmdCopy = &Command{
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UsageLine: "filer.copy file_or_dir1 [file_or_dir2 file_or_dir3] http://localhost:8888/path/to/a/folder/",
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Short: "copy one or a list of files to a filer folder",
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Long: `copy one or a list of files, or batch copy one whole folder recursively, to a filer folder
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It can copy one or a list of files or folders.
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If copying a whole folder recursively:
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All files under the folder and subfolders will be copyed.
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Optional parameter "-include" allows you to specify the file name patterns.
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If "maxMB" is set to a positive number, files larger than it would be split into chunks.
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`,
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}
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func runCopy(cmd *Command, args []string) bool {
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util.LoadConfiguration("security", false)
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if len(args) <= 1 {
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return false
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}
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filerDestination := args[len(args)-1]
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fileOrDirs := args[0 : len(args)-1]
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filerUrl, err := url.Parse(filerDestination)
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if err != nil {
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fmt.Printf("The last argument should be a URL on filer: %v\n", err)
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return false
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}
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urlPath := filerUrl.Path
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if !strings.HasSuffix(urlPath, "/") {
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fmt.Printf("The last argument should be a folder and end with \"/\": %v\n", err)
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return false
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}
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if filerUrl.Port() == "" {
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fmt.Printf("The filer port should be specified.\n")
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return false
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}
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filerPort, parseErr := strconv.ParseUint(filerUrl.Port(), 10, 64)
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if parseErr != nil {
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fmt.Printf("The filer port parse error: %v\n", parseErr)
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return false
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}
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filerGrpcPort := filerPort + 10000
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filerGrpcAddress := fmt.Sprintf("%s:%d", filerUrl.Hostname(), filerGrpcPort)
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copy.grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
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ctx := context.Background()
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masters, collection, replication, maxMB, err := readFilerConfiguration(ctx, copy.grpcDialOption, filerGrpcAddress)
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if err != nil {
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fmt.Printf("read from filer %s: %v\n", filerGrpcAddress, err)
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return false
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}
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if *copy.collection == "" {
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*copy.collection = collection
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}
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if *copy.replication == "" {
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*copy.replication = replication
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}
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if *copy.maxMB == 0 {
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*copy.maxMB = int(maxMB)
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}
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copy.masters = masters
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copy.masterClient = wdclient.NewMasterClient(ctx, copy.grpcDialOption, "client", copy.masters)
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go copy.masterClient.KeepConnectedToMaster()
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copy.masterClient.WaitUntilConnected()
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if *cmdCopy.IsDebug {
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util.SetupProfiling("filer.copy.cpu.pprof", "filer.copy.mem.pprof")
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}
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fileCopyTaskChan := make(chan FileCopyTask, *copy.concurrenctFiles)
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go func() {
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defer close(fileCopyTaskChan)
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for _, fileOrDir := range fileOrDirs {
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if err := genFileCopyTask(fileOrDir, urlPath, fileCopyTaskChan); err != nil {
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fmt.Fprintf(os.Stderr, "gen file list error: %v\n", err)
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break
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}
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}
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}()
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for i := 0; i < *copy.concurrenctFiles; i++ {
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waitGroup.Add(1)
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go func() {
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defer waitGroup.Done()
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worker := FileCopyWorker{
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options: ©,
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filerHost: filerUrl.Host,
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filerGrpcAddress: filerGrpcAddress,
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}
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if err := worker.copyFiles(ctx, fileCopyTaskChan); err != nil {
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fmt.Fprintf(os.Stderr, "copy file error: %v\n", err)
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return
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}
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}()
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}
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waitGroup.Wait()
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return true
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}
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func readFilerConfiguration(ctx context.Context, grpcDialOption grpc.DialOption, filerGrpcAddress string) (masters []string, collection, replication string, maxMB uint32, err error) {
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err = withFilerClient(ctx, filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.GetFilerConfiguration(ctx, &filer_pb.GetFilerConfigurationRequest{})
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if err != nil {
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return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err)
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}
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masters, collection, replication, maxMB = resp.Masters, resp.Collection, resp.Replication, resp.MaxMb
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return nil
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})
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return
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}
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func genFileCopyTask(fileOrDir string, destPath string, fileCopyTaskChan chan FileCopyTask) error {
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fi, err := os.Stat(fileOrDir)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to get stat for file %s: %v\n", fileOrDir, err)
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return nil
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}
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mode := fi.Mode()
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if mode.IsDir() {
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files, _ := ioutil.ReadDir(fileOrDir)
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for _, subFileOrDir := range files {
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if err = genFileCopyTask(fileOrDir+"/"+subFileOrDir.Name(), destPath+fi.Name()+"/", fileCopyTaskChan); err != nil {
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return err
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}
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}
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return nil
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}
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uid, gid := util.GetFileUidGid(fi)
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fileCopyTaskChan <- FileCopyTask{
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sourceLocation: fileOrDir,
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destinationUrlPath: destPath,
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fileSize: fi.Size(),
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fileMode: fi.Mode(),
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uid: uid,
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gid: gid,
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}
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return nil
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}
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type FileCopyWorker struct {
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options *CopyOptions
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filerHost string
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filerGrpcAddress string
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}
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func (worker *FileCopyWorker) copyFiles(ctx context.Context, fileCopyTaskChan chan FileCopyTask) error {
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for task := range fileCopyTaskChan {
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if err := worker.doEachCopy(ctx, task); err != nil {
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return err
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}
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}
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return nil
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}
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type FileCopyTask struct {
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sourceLocation string
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destinationUrlPath string
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fileSize int64
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fileMode os.FileMode
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uid uint32
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gid uint32
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}
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func (worker *FileCopyWorker) doEachCopy(ctx context.Context, task FileCopyTask) error {
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f, err := os.Open(task.sourceLocation)
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if err != nil {
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fmt.Printf("Failed to open file %s: %v\n", task.sourceLocation, err)
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if _, ok := err.(*os.PathError); ok {
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fmt.Printf("skipping %s\n", task.sourceLocation)
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return nil
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}
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return err
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}
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defer f.Close()
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// this is a regular file
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if *worker.options.include != "" {
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if ok, _ := filepath.Match(*worker.options.include, filepath.Base(task.sourceLocation)); !ok {
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return nil
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}
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}
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// find the chunk count
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chunkSize := int64(*worker.options.maxMB * 1024 * 1024)
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chunkCount := 1
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if chunkSize > 0 && task.fileSize > chunkSize {
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chunkCount = int(task.fileSize/chunkSize) + 1
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}
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if chunkCount == 1 {
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return worker.uploadFileAsOne(ctx, task, f)
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}
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return worker.uploadFileInChunks(ctx, task, f, chunkCount, chunkSize)
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}
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func (worker *FileCopyWorker) uploadFileAsOne(ctx context.Context, task FileCopyTask, f *os.File) error {
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// upload the file content
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fileName := filepath.Base(f.Name())
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mimeType := detectMimeType(f)
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var chunks []*filer_pb.FileChunk
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if task.fileSize > 0 {
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// assign a volume
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assignResult, err := operation.Assign(worker.options.masterClient.GetMaster(), worker.options.grpcDialOption, &operation.VolumeAssignRequest{
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Count: 1,
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Replication: *worker.options.replication,
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Collection: *worker.options.collection,
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Ttl: *worker.options.ttl,
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})
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if err != nil {
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fmt.Printf("Failed to assign from %v: %v\n", worker.options.masters, err)
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}
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targetUrl := "http://" + assignResult.Url + "/" + assignResult.Fid
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uploadResult, err := operation.UploadWithLocalCompressionLevel(targetUrl, fileName, f, false, mimeType, nil, assignResult.Auth, *worker.options.compressionLevel)
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if err != nil {
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return fmt.Errorf("upload data %v to %s: %v\n", fileName, targetUrl, err)
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}
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if uploadResult.Error != "" {
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return fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
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}
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fmt.Printf("uploaded %s to %s\n", fileName, targetUrl)
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chunks = append(chunks, &filer_pb.FileChunk{
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FileId: assignResult.Fid,
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Offset: 0,
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Size: uint64(uploadResult.Size),
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Mtime: time.Now().UnixNano(),
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ETag: uploadResult.ETag,
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})
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fmt.Printf("copied %s => http://%s%s%s\n", fileName, worker.filerHost, task.destinationUrlPath, fileName)
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}
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if err := withFilerClient(ctx, worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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request := &filer_pb.CreateEntryRequest{
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Directory: task.destinationUrlPath,
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Entry: &filer_pb.Entry{
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Name: fileName,
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Attributes: &filer_pb.FuseAttributes{
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Crtime: time.Now().Unix(),
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Mtime: time.Now().Unix(),
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Gid: task.gid,
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Uid: task.uid,
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FileSize: uint64(task.fileSize),
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FileMode: uint32(task.fileMode),
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Mime: mimeType,
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Replication: *worker.options.replication,
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Collection: *worker.options.collection,
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TtlSec: int32(util.ParseInt(*worker.options.ttl, 0)),
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},
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Chunks: chunks,
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},
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}
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if err := filer_pb.CreateEntry(ctx, client, request); err != nil {
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return fmt.Errorf("update fh: %v", err)
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}
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return nil
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}); err != nil {
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return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
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}
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return nil
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}
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func (worker *FileCopyWorker) uploadFileInChunks(ctx context.Context, task FileCopyTask, f *os.File, chunkCount int, chunkSize int64) error {
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fileName := filepath.Base(f.Name())
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mimeType := detectMimeType(f)
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chunksChan := make(chan *filer_pb.FileChunk, chunkCount)
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concurrentChunks := make(chan struct{}, *worker.options.concurrenctChunks)
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var wg sync.WaitGroup
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var uploadError error
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fmt.Printf("uploading %s in %d chunks ...\n", fileName, chunkCount)
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for i := int64(0); i < int64(chunkCount) && uploadError == nil; i++ {
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wg.Add(1)
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concurrentChunks <- struct{}{}
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go func(i int64) {
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defer func() {
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wg.Done()
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<-concurrentChunks
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}()
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// assign a volume
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assignResult, err := operation.Assign(worker.options.masterClient.GetMaster(), worker.options.grpcDialOption, &operation.VolumeAssignRequest{
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Count: 1,
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Replication: *worker.options.replication,
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Collection: *worker.options.collection,
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Ttl: *worker.options.ttl,
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})
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if err != nil {
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fmt.Printf("Failed to assign from %v: %v\n", worker.options.masters, err)
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}
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targetUrl := "http://" + assignResult.Url + "/" + assignResult.Fid
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uploadResult, err := operation.Upload(targetUrl,
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fileName+"-"+strconv.FormatInt(i+1, 10),
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io.NewSectionReader(f, i*chunkSize, chunkSize),
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false, "", nil, assignResult.Auth)
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if err != nil {
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uploadError = fmt.Errorf("upload data %v to %s: %v\n", fileName, targetUrl, err)
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return
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}
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if uploadResult.Error != "" {
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uploadError = fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
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return
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}
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chunksChan <- &filer_pb.FileChunk{
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FileId: assignResult.Fid,
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Offset: i * chunkSize,
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Size: uint64(uploadResult.Size),
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Mtime: time.Now().UnixNano(),
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ETag: uploadResult.ETag,
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}
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fmt.Printf("uploaded %s-%d to %s [%d,%d)\n", fileName, i+1, targetUrl, i*chunkSize, i*chunkSize+int64(uploadResult.Size))
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}(i)
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}
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wg.Wait()
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close(chunksChan)
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var chunks []*filer_pb.FileChunk
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for chunk := range chunksChan {
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chunks = append(chunks, chunk)
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}
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if uploadError != nil {
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var fileIds []string
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for _, chunk := range chunks {
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fileIds = append(fileIds, chunk.FileId)
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}
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operation.DeleteFiles(worker.options.masterClient.GetMaster(), worker.options.grpcDialOption, fileIds)
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return uploadError
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}
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if err := withFilerClient(ctx, worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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request := &filer_pb.CreateEntryRequest{
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Directory: task.destinationUrlPath,
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Entry: &filer_pb.Entry{
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Name: fileName,
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Attributes: &filer_pb.FuseAttributes{
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Crtime: time.Now().Unix(),
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Mtime: time.Now().Unix(),
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Gid: task.gid,
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Uid: task.uid,
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FileSize: uint64(task.fileSize),
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FileMode: uint32(task.fileMode),
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Mime: mimeType,
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Replication: *worker.options.replication,
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Collection: *worker.options.collection,
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TtlSec: int32(util.ParseInt(*worker.options.ttl, 0)),
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},
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Chunks: chunks,
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},
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}
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if err := filer_pb.CreateEntry(ctx, client, request); err != nil {
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return fmt.Errorf("update fh: %v", err)
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}
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return nil
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}); err != nil {
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return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
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}
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fmt.Printf("copied %s => http://%s%s%s\n", fileName, worker.filerHost, task.destinationUrlPath, fileName)
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return nil
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}
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func detectMimeType(f *os.File) string {
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head := make([]byte, 512)
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f.Seek(0, io.SeekStart)
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n, err := f.Read(head)
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if err == io.EOF {
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return ""
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}
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if err != nil {
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fmt.Printf("read head of %v: %v\n", f.Name(), err)
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return "application/octet-stream"
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}
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f.Seek(0, io.SeekStart)
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mimeType := http.DetectContentType(head[:n])
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return mimeType
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}
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func withFilerClient(ctx context.Context, filerAddress string, grpcDialOption grpc.DialOption, fn func(filer_pb.SeaweedFilerClient) error) error {
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return util.WithCachedGrpcClient(ctx, func(ctx context.Context, clientConn *grpc.ClientConn) error {
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client := filer_pb.NewSeaweedFilerClient(clientConn)
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return fn(client)
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}, filerAddress, grpcDialOption)
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}
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