seaweedfs/weed/command/filer_copy.go

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package command
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/filer"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"path/filepath"
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"strconv"
"strings"
"sync"
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"time"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/wdclient"
)
var (
copy CopyOptions
waitGroup sync.WaitGroup
)
type CopyOptions struct {
include *string
replication *string
collection *string
ttl *string
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diskType *string
maxMB *int
masterClient *wdclient.MasterClient
concurrenctFiles *int
concurrenctChunks *int
grpcDialOption grpc.DialOption
masters []string
cipher bool
ttlSec int32
checkSize *bool
verbose *bool
}
func init() {
cmdFilerCopy.Run = runCopy // break init cycle
cmdFilerCopy.IsDebug = cmdFilerCopy.Flag.Bool("debug", false, "verbose debug information")
copy.include = cmdFilerCopy.Flag.String("include", "", "pattens of files to copy, e.g., *.pdf, *.html, ab?d.txt, works together with -dir")
copy.replication = cmdFilerCopy.Flag.String("replication", "", "replication type")
copy.collection = cmdFilerCopy.Flag.String("collection", "", "optional collection name")
copy.ttl = cmdFilerCopy.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
copy.diskType = cmdFilerCopy.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
copy.maxMB = cmdFilerCopy.Flag.Int("maxMB", 4, "split files larger than the limit")
copy.concurrenctFiles = cmdFilerCopy.Flag.Int("c", 8, "concurrent file copy goroutines")
copy.concurrenctChunks = cmdFilerCopy.Flag.Int("concurrentChunks", 8, "concurrent chunk copy goroutines for each file")
copy.checkSize = cmdFilerCopy.Flag.Bool("check.size", false, "copy when the target file size is different from the source file")
copy.verbose = cmdFilerCopy.Flag.Bool("verbose", false, "print out details during copying")
}
var cmdFilerCopy = &Command{
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UsageLine: "filer.copy file_or_dir1 [file_or_dir2 file_or_dir3] http://localhost:8888/path/to/a/folder/",
Short: "copy one or a list of files to a filer folder",
Long: `copy one or a list of files, or batch copy one whole folder recursively, to a filer folder
It can copy one or a list of files or folders.
If copying a whole folder recursively:
All files under the folder and subfolders will be copyed.
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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`,
}
func runCopy(cmd *Command, args []string) bool {
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util.LoadConfiguration("security", false)
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if len(args) <= 1 {
return false
}
filerDestination := args[len(args)-1]
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fileOrDirs := args[0 : len(args)-1]
filerUrl, err := url.Parse(filerDestination)
if err != nil {
fmt.Printf("The last argument should be a URL on filer: %v\n", err)
return false
}
urlPath := filerUrl.Path
if !strings.HasSuffix(urlPath, "/") {
fmt.Printf("The last argument should be a folder and end with \"/\"\n")
return false
}
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if filerUrl.Port() == "" {
fmt.Printf("The filer port should be specified.\n")
return false
}
filerPort, parseErr := strconv.ParseUint(filerUrl.Port(), 10, 64)
if parseErr != nil {
fmt.Printf("The filer port parse error: %v\n", parseErr)
return false
}
filerGrpcPort := filerPort + 10000
filerGrpcAddress := fmt.Sprintf("%s:%d", filerUrl.Hostname(), filerGrpcPort)
copy.grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
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masters, collection, replication, dirBuckets, maxMB, cipher, err := readFilerConfiguration(copy.grpcDialOption, filerGrpcAddress)
if err != nil {
fmt.Printf("read from filer %s: %v\n", filerGrpcAddress, err)
return false
}
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if strings.HasPrefix(urlPath, dirBuckets+"/") {
restPath := urlPath[len(dirBuckets)+1:]
if strings.Index(restPath, "/") > 0 {
expectedBucket := restPath[:strings.Index(restPath, "/")]
if *copy.collection == "" {
*copy.collection = expectedBucket
} else if *copy.collection != expectedBucket {
fmt.Printf("destination %s uses collection \"%s\": unexpected collection \"%v\"\n", urlPath, expectedBucket, *copy.collection)
return true
}
}
}
if *copy.collection == "" {
*copy.collection = collection
}
if *copy.replication == "" {
*copy.replication = replication
}
if *copy.maxMB == 0 {
*copy.maxMB = int(maxMB)
}
copy.masters = masters
copy.cipher = cipher
ttl, err := needle.ReadTTL(*copy.ttl)
if err != nil {
fmt.Printf("parsing ttl %s: %v\n", *copy.ttl, err)
return false
}
copy.ttlSec = int32(ttl.Minutes()) * 60
if *cmdFilerCopy.IsDebug {
grace.SetupProfiling("filer.copy.cpu.pprof", "filer.copy.mem.pprof")
}
fileCopyTaskChan := make(chan FileCopyTask, *copy.concurrenctFiles)
go func() {
defer close(fileCopyTaskChan)
for _, fileOrDir := range fileOrDirs {
if err := genFileCopyTask(fileOrDir, urlPath, fileCopyTaskChan); err != nil {
fmt.Fprintf(os.Stderr, "genFileCopyTask : %v\n", err)
break
}
}
}()
for i := 0; i < *copy.concurrenctFiles; i++ {
waitGroup.Add(1)
go func() {
defer waitGroup.Done()
worker := FileCopyWorker{
options: &copy,
filerHost: filerUrl.Host,
filerGrpcAddress: filerGrpcAddress,
}
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if err := worker.copyFiles(fileCopyTaskChan); err != nil {
fmt.Fprintf(os.Stderr, "copy file error: %v\n", err)
return
}
}()
}
waitGroup.Wait()
return true
}
func readFilerConfiguration(grpcDialOption grpc.DialOption, filerGrpcAddress string) (masters []string, collection, replication string, dirBuckets string, maxMB uint32, cipher bool, err error) {
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err = pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
if err != nil {
return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err)
}
masters, collection, replication, maxMB = resp.Masters, resp.Collection, resp.Replication, resp.MaxMb
dirBuckets = resp.DirBuckets
cipher = resp.Cipher
return nil
})
return
}
func genFileCopyTask(fileOrDir string, destPath string, fileCopyTaskChan chan FileCopyTask) error {
fi, err := os.Stat(fileOrDir)
if err != nil {
fmt.Fprintf(os.Stderr, "Error: read file %s: %v\n", fileOrDir, err)
return nil
}
mode := fi.Mode()
uid, gid := util.GetFileUidGid(fi)
fileSize := fi.Size()
if mode.IsDir() {
fileSize = 0
}
fileCopyTaskChan <- FileCopyTask{
sourceLocation: fileOrDir,
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destinationUrlPath: destPath,
fileSize: fileSize,
fileMode: fi.Mode(),
uid: uid,
gid: gid,
}
if mode.IsDir() {
files, _ := ioutil.ReadDir(fileOrDir)
for _, subFileOrDir := range files {
cleanedDestDirectory := filepath.Clean(destPath + fi.Name())
if err = genFileCopyTask(fileOrDir+"/"+subFileOrDir.Name(), cleanedDestDirectory+"/", fileCopyTaskChan); err != nil {
return err
}
}
}
return nil
}
type FileCopyWorker struct {
options *CopyOptions
filerHost string
filerGrpcAddress string
}
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func (worker *FileCopyWorker) copyFiles(fileCopyTaskChan chan FileCopyTask) error {
for task := range fileCopyTaskChan {
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if err := worker.doEachCopy(task); err != nil {
return err
}
}
return nil
}
type FileCopyTask struct {
sourceLocation string
destinationUrlPath string
fileSize int64
fileMode os.FileMode
uid uint32
gid uint32
}
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func (worker *FileCopyWorker) doEachCopy(task FileCopyTask) error {
f, err := os.Open(task.sourceLocation)
if err != nil {
fmt.Printf("Failed to open file %s: %v\n", task.sourceLocation, err)
if _, ok := err.(*os.PathError); ok {
fmt.Printf("skipping %s\n", task.sourceLocation)
return nil
}
return err
}
defer f.Close()
// this is a regular file
if *worker.options.include != "" {
if ok, _ := filepath.Match(*worker.options.include, filepath.Base(task.sourceLocation)); !ok {
return nil
}
}
if shouldCopy, err := worker.checkExistingFileFirst(task, f); err != nil {
return fmt.Errorf("check existing file: %v", err)
} else if !shouldCopy {
if *worker.options.verbose {
fmt.Printf("skipping copied file: %v\n", f.Name())
}
return nil
}
// find the chunk count
chunkSize := int64(*worker.options.maxMB * 1024 * 1024)
chunkCount := 1
if chunkSize > 0 && task.fileSize > chunkSize {
chunkCount = int(task.fileSize/chunkSize) + 1
}
if chunkCount == 1 {
return worker.uploadFileAsOne(task, f)
}
return worker.uploadFileInChunks(task, f, chunkCount, chunkSize)
}
func (worker *FileCopyWorker) checkExistingFileFirst(task FileCopyTask, f *os.File) (shouldCopy bool, err error) {
shouldCopy = true
if !*worker.options.checkSize {
return
}
fileStat, err := f.Stat()
if err != nil {
shouldCopy = false
return
}
err = pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: task.destinationUrlPath,
Name: filepath.Base(f.Name()),
}
resp, lookupErr := client.LookupDirectoryEntry(context.Background(), request)
if lookupErr != nil {
// mostly not found error
return nil
}
if fileStat.Size() == int64(filer.FileSize(resp.Entry)) {
shouldCopy = false
}
return nil
})
return
}
func (worker *FileCopyWorker) uploadFileAsOne(task FileCopyTask, f *os.File) error {
// upload the file content
fileName := filepath.Base(f.Name())
var mimeType string
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var chunks []*filer_pb.FileChunk
var assignResult *filer_pb.AssignVolumeResponse
var assignError error
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if task.fileMode&os.ModeDir == 0 && task.fileSize > 0 {
mimeType = detectMimeType(f)
data, err := ioutil.ReadAll(f)
if err != nil {
return err
}
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// assign a volume
err = util.Retry("assignVolume", func() error {
return pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{
Count: 1,
Replication: *worker.options.replication,
Collection: *worker.options.collection,
TtlSec: worker.options.ttlSec,
DiskType: *worker.options.diskType,
Path: task.destinationUrlPath,
}
assignResult, assignError = client.AssignVolume(context.Background(), request)
if assignError != nil {
return fmt.Errorf("assign volume failure %v: %v", request, assignError)
}
if assignResult.Error != "" {
return fmt.Errorf("assign volume failure %v: %v", request, assignResult.Error)
}
if assignResult.Url == "" {
return fmt.Errorf("assign volume failure %v: %v", request, assignResult)
}
return nil
})
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})
if err != nil {
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return fmt.Errorf("Failed to assign from %v: %v\n", worker.options.masters, err)
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}
targetUrl := "http://" + assignResult.Url + "/" + assignResult.FileId
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uploadResult, err := operation.UploadData(targetUrl, fileName, worker.options.cipher, data, false, mimeType, nil, security.EncodedJwt(assignResult.Auth))
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if err != nil {
return fmt.Errorf("upload data %v to %s: %v\n", fileName, targetUrl, err)
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}
if uploadResult.Error != "" {
return fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
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}
if *worker.options.verbose {
fmt.Printf("uploaded %s to %s\n", fileName, targetUrl)
}
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chunks = append(chunks, uploadResult.ToPbFileChunk(assignResult.FileId, 0))
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fmt.Printf("copied %s => http://%s%s%s\n", f.Name(), worker.filerHost, task.destinationUrlPath, fileName)
}
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if err := pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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request := &filer_pb.CreateEntryRequest{
Directory: task.destinationUrlPath,
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Entry: &filer_pb.Entry{
Name: fileName,
Attributes: &filer_pb.FuseAttributes{
Crtime: time.Now().Unix(),
Mtime: time.Now().Unix(),
Gid: task.gid,
Uid: task.uid,
FileSize: uint64(task.fileSize),
FileMode: uint32(task.fileMode),
Mime: mimeType,
Replication: *worker.options.replication,
Collection: *worker.options.collection,
TtlSec: worker.options.ttlSec,
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},
Chunks: chunks,
},
}
if err := filer_pb.CreateEntry(client, request); err != nil {
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return fmt.Errorf("update fh: %v", err)
}
return nil
}); err != nil {
return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
}
return nil
}
func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File, chunkCount int, chunkSize int64) error {
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fileName := filepath.Base(f.Name())
mimeType := detectMimeType(f)
chunksChan := make(chan *filer_pb.FileChunk, chunkCount)
concurrentChunks := make(chan struct{}, *worker.options.concurrenctChunks)
var wg sync.WaitGroup
var uploadError error
var collection, replication string
fmt.Printf("uploading %s in %d chunks ...\n", fileName, chunkCount)
for i := int64(0); i < int64(chunkCount) && uploadError == nil; i++ {
wg.Add(1)
concurrentChunks <- struct{}{}
go func(i int64) {
defer func() {
wg.Done()
<-concurrentChunks
}()
// assign a volume
var assignResult *filer_pb.AssignVolumeResponse
var assignError error
err := util.Retry("assignVolume", func() error {
return pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{
Count: 1,
Replication: *worker.options.replication,
Collection: *worker.options.collection,
TtlSec: worker.options.ttlSec,
DiskType: *worker.options.diskType,
Path: task.destinationUrlPath + fileName,
}
assignResult, assignError = client.AssignVolume(context.Background(), request)
if assignError != nil {
return fmt.Errorf("assign volume failure %v: %v", request, assignError)
}
if assignResult.Error != "" {
return fmt.Errorf("assign volume failure %v: %v", request, assignResult.Error)
}
return nil
})
})
if err != nil {
fmt.Printf("Failed to assign from %v: %v\n", worker.options.masters, err)
}
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targetUrl := "http://" + assignResult.Url + "/" + assignResult.FileId
if collection == "" {
collection = assignResult.Collection
}
if replication == "" {
replication = assignResult.Replication
}
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uploadResult, err, _ := operation.Upload(targetUrl, fileName+"-"+strconv.FormatInt(i+1, 10), worker.options.cipher, io.NewSectionReader(f, i*chunkSize, chunkSize), false, "", nil, security.EncodedJwt(assignResult.Auth))
if err != nil {
uploadError = fmt.Errorf("upload data %v to %s: %v\n", fileName, targetUrl, err)
return
}
if uploadResult.Error != "" {
uploadError = fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
return
}
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chunksChan <- uploadResult.ToPbFileChunk(assignResult.FileId, i*chunkSize)
fmt.Printf("uploaded %s-%d to %s [%d,%d)\n", fileName, i+1, targetUrl, i*chunkSize, i*chunkSize+int64(uploadResult.Size))
}(i)
}
wg.Wait()
close(chunksChan)
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var chunks []*filer_pb.FileChunk
for chunk := range chunksChan {
chunks = append(chunks, chunk)
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}
if uploadError != nil {
var fileIds []string
for _, chunk := range chunks {
fileIds = append(fileIds, chunk.FileId)
}
operation.DeleteFiles(func() string {
return copy.masters[0]
}, false, worker.options.grpcDialOption, fileIds)
return uploadError
}
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if err := pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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request := &filer_pb.CreateEntryRequest{
Directory: task.destinationUrlPath,
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Entry: &filer_pb.Entry{
Name: fileName,
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Attributes: &filer_pb.FuseAttributes{
Crtime: time.Now().Unix(),
Mtime: time.Now().Unix(),
Gid: task.gid,
Uid: task.uid,
FileSize: uint64(task.fileSize),
FileMode: uint32(task.fileMode),
Mime: mimeType,
Replication: replication,
Collection: collection,
TtlSec: worker.options.ttlSec,
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},
Chunks: chunks,
},
}
if err := filer_pb.CreateEntry(client, request); err != nil {
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return fmt.Errorf("update fh: %v", err)
}
return nil
}); err != nil {
return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
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}
fmt.Printf("copied %s => http://%s%s%s\n", f.Name(), worker.filerHost, task.destinationUrlPath, fileName)
return nil
}
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func detectMimeType(f *os.File) string {
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 {
return ""
}
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if err != nil {
fmt.Printf("read head of %v: %v\n", f.Name(), err)
return ""
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}
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f.Seek(0, io.SeekStart)
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mimeType := http.DetectContentType(head[:n])
if mimeType == "application/octet-stream" {
return ""
}
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return mimeType
}