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package shell
import (
"context"
"flag"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/seaweedfs/seaweedfs/weed/operation"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
"github.com/seaweedfs/seaweedfs/weed/storage"
"github.com/seaweedfs/seaweedfs/weed/util"
"golang.org/x/exp/slices"
"io"
"math"
"strings"
"sync"
"time"
)
func init() {
Commands = append(Commands, &commandFsVerify{})
}
type commandFsVerify struct {
env *CommandEnv
volumeServers []pb.ServerAddress
volumeIds map[uint32][]pb.ServerAddress
verbose *bool
concurrency *int
modifyTimeAgoAtSec int64
writer io.Writer
waitChan map[string]chan struct{}
waitChanLock sync.RWMutex
}
func (c *commandFsVerify) Name() string {
return "fs.verify"
}
func (c *commandFsVerify) Help() string {
return `recursively verify all files under a directory
fs.verify [-v] [-modifyTimeAgo 1h] /buckets/dir
`
}
func (c *commandFsVerify) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
c.env = commandEnv
c.writer = writer
fsVerifyCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.verbose = fsVerifyCommand.Bool("v", false, "print out each processed files")
modifyTimeAgo := fsVerifyCommand.Duration("modifyTimeAgo", 0, "only include files after this modify time to verify")
c.concurrency = fsVerifyCommand.Int("concurrency", 0, "number of parallel verification per volume server")
if err = fsVerifyCommand.Parse(args); err != nil {
return err
}
path, parseErr := commandEnv.parseUrl(findInputDirectory(fsVerifyCommand.Args()))
if parseErr != nil {
return parseErr
}
c.modifyTimeAgoAtSec = int64(modifyTimeAgo.Seconds())
c.volumeIds = make(map[uint32][]pb.ServerAddress)
c.waitChan = make(map[string]chan struct{})
c.volumeServers = []pb.ServerAddress{}
defer func() {
c.modifyTimeAgoAtSec = 0
c.volumeIds = nil
c.waitChan = nil
c.volumeServers = nil
}()
if err := c.collectVolumeIds(); err != nil {
return parseErr
}
if *c.concurrency > 0 {
for _, volumeServer := range c.volumeServers {
volumeServerStr := string(volumeServer)
c.waitChan[volumeServerStr] = make(chan struct{}, *c.concurrency)
defer close(c.waitChan[volumeServerStr])
}
}
fCount, eConut, terr := c.verifyTraverseBfs(path)
if terr == nil {
fmt.Fprintf(writer, "verified %d files, error %d files \n", fCount, eConut)
}
return terr
}
func (c *commandFsVerify) collectVolumeIds() error {
topologyInfo, _, err := collectTopologyInfo(c.env, 0)
if err != nil {
return err
}
eachDataNode(topologyInfo, func(dc string, rack RackId, nodeInfo *master_pb.DataNodeInfo) {
for _, diskInfo := range nodeInfo.DiskInfos {
for _, vi := range diskInfo.VolumeInfos {
volumeServer := pb.NewServerAddressFromDataNode(nodeInfo)
c.volumeIds[vi.Id] = append(c.volumeIds[vi.Id], volumeServer)
if !slices.Contains(c.volumeServers, volumeServer) {
c.volumeServers = append(c.volumeServers, volumeServer)
}
}
}
})
return nil
}
func (c *commandFsVerify) verifyEntry(volumeServer pb.ServerAddress, fileId *filer_pb.FileId) error {
err := operation.WithVolumeServerClient(false, volumeServer, c.env.option.GrpcDialOption,
func(client volume_server_pb.VolumeServerClient) error {
_, err := client.VolumeNeedleStatus(context.Background(),
&volume_server_pb.VolumeNeedleStatusRequest{
VolumeId: fileId.VolumeId,
NeedleId: fileId.FileKey})
return err
},
)
if err != nil && !strings.Contains(err.Error(), storage.ErrorDeleted.Error()) {
return err
}
return nil
}
type ItemEntry struct {
chunks []*filer_pb.FileChunk
path util.FullPath
}
func (c *commandFsVerify) verifyTraverseBfs(path string) (fileCount int64, errCount int64, err error) {
timeNowAtSec := time.Now().Unix()
return fileCount, errCount, doTraverseBfsAndSaving(c.env, c.writer, path, false,
func(entry *filer_pb.FullEntry, outputChan chan interface{}) (err error) {
if c.modifyTimeAgoAtSec > 0 {
if entry.Entry.Attributes != nil && c.modifyTimeAgoAtSec < timeNowAtSec-entry.Entry.Attributes.Mtime {
return nil
}
}
dataChunks, manifestChunks, resolveErr := filer.ResolveChunkManifest(filer.LookupFn(c.env), entry.Entry.GetChunks(), 0, math.MaxInt64)
if resolveErr != nil {
return fmt.Errorf("failed to ResolveChunkManifest: %+v", resolveErr)
}
dataChunks = append(dataChunks, manifestChunks...)
if len(dataChunks) > 0 {
outputChan <- &ItemEntry{
chunks: dataChunks,
path: util.NewFullPath(entry.Dir, entry.Entry.Name),
}
}
return nil
},
func(outputChan chan interface{}) {
for itemEntry := range outputChan {
i := itemEntry.(*ItemEntry)
itemPath := string(i.path)
fileMsg := fmt.Sprintf("file:%s", itemPath)
errItem := make(map[string]error)
errItemLock := sync.RWMutex{}
for _, chunk := range i.chunks {
if volumeIds, ok := c.volumeIds[chunk.Fid.VolumeId]; ok {
for _, volumeServer := range volumeIds {
if *c.concurrency == 0 {
if err = c.verifyEntry(volumeServer, chunk.Fid); err != nil {
fmt.Fprintf(c.writer, "%s failed verify needle %d:%d: %+v\n",
fileMsg, chunk.Fid.VolumeId, chunk.Fid.FileKey, err)
}
continue
}
c.waitChanLock.RLock()
waitChan, ok := c.waitChan[string(volumeServer)]
c.waitChanLock.RUnlock()
if !ok {
fmt.Fprintf(c.writer, "%s failed to get channel for %s chunk: %d:%d: %+v\n",
string(volumeServer), fileMsg, chunk.Fid.VolumeId, chunk.Fid.FileKey, err)
continue
}
waitChan <- struct{}{}
go func(fId *filer_pb.FileId, path string, volumeServer pb.ServerAddress, msg string) {
if err = c.verifyEntry(volumeServer, fId); err != nil {
errItemLock.Lock()
errItem[path] = err
fmt.Fprintf(c.writer, "%s failed verify needle %d:%d: %+v\n",
msg, fId.VolumeId, fId.FileKey, err)
errItemLock.Unlock()
}
<-waitChan
}(chunk.Fid, itemPath, volumeServer, fileMsg)
}
} else {
err = fmt.Errorf("volumeId %d not found", chunk.Fid.VolumeId)
fmt.Fprintf(c.writer, "%s %d:%d: %+v\n",
fileMsg, chunk.Fid.VolumeId, chunk.Fid.FileKey, err)
break
}
}
errItemLock.RLock()
err, _ = errItem[itemPath]
errItemLock.RUnlock()
if err != nil {
errCount++
continue
}
if *c.verbose {
fmt.Fprintf(c.writer, "%s needles:%d verifed\n", fileMsg, len(i.chunks))
}
fileCount++
}
})
}
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