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-rw-r--r--weed/Makefile4
-rw-r--r--weed/command/command.go1
-rw-r--r--weed/command/filer_backup.go158
-rw-r--r--weed/command/filer_replication.go29
-rw-r--r--weed/command/filer_sync.go203
5 files changed, 296 insertions, 99 deletions
diff --git a/weed/Makefile b/weed/Makefile
index fd0843c22..8f1257d09 100644
--- a/weed/Makefile
+++ b/weed/Makefile
@@ -33,3 +33,7 @@ debug_webdav:
debug_s3:
go build -gcflags="all=-N -l"
dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- -v=4 s3
+
+debug_filer_copy:
+ go build -gcflags="all=-N -l"
+ dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- -v=4 filer.backup -filer=localhost:8888 -filerProxy -timeAgo=10h
diff --git a/weed/command/command.go b/weed/command/command.go
index bbc2e0423..5506e6969 100644
--- a/weed/command/command.go
+++ b/weed/command/command.go
@@ -15,6 +15,7 @@ var Commands = []*Command{
cmdDownload,
cmdExport,
cmdFiler,
+ cmdFilerBackup,
cmdFilerCat,
cmdFilerMetaTail,
cmdFilerReplicate,
diff --git a/weed/command/filer_backup.go b/weed/command/filer_backup.go
new file mode 100644
index 000000000..8cb7441f6
--- /dev/null
+++ b/weed/command/filer_backup.go
@@ -0,0 +1,158 @@
+package command
+
+import (
+ "context"
+ "fmt"
+ "github.com/chrislusf/seaweedfs/weed/glog"
+ "github.com/chrislusf/seaweedfs/weed/pb"
+ "github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+ "github.com/chrislusf/seaweedfs/weed/replication/source"
+ "github.com/chrislusf/seaweedfs/weed/security"
+ "github.com/chrislusf/seaweedfs/weed/util"
+ "google.golang.org/grpc"
+ "io"
+ "time"
+)
+
+type FilerBackupOptions struct {
+ isActivePassive *bool
+ filer *string
+ path *string
+ debug *bool
+ proxyByFiler *bool
+ timeAgo *time.Duration
+}
+
+var (
+ filerBackupOptions FilerBackupOptions
+)
+
+func init() {
+ cmdFilerBackup.Run = runFilerBackup // break init cycle
+ filerBackupOptions.filer = cmdFilerBackup.Flag.String("filer", "localhost:8888", "filer of one SeaweedFS cluster")
+ filerBackupOptions.path = cmdFilerBackup.Flag.String("filerPath", "/", "directory to sync on filer")
+ filerBackupOptions.proxyByFiler = cmdFilerBackup.Flag.Bool("filerProxy", false, "read and write file chunks by filer instead of volume servers")
+ filerBackupOptions.debug = cmdFilerBackup.Flag.Bool("debug", false, "debug mode to print out received files")
+ filerBackupOptions.timeAgo = cmdFilerBackup.Flag.Duration("timeAgo", 0, "start time before now. \"300ms\", \"1.5h\" or \"2h45m\". Valid time units are \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"")
+}
+
+var cmdFilerBackup = &Command{
+ UsageLine: "filer.backup -filer=<filerHost>:<filerPort> ",
+ Short: "resume-able continuously replicate files from a SeaweedFS cluster to another location defined in replication.toml",
+ Long: `resume-able continuously replicate files from a SeaweedFS cluster to another location defined in replication.toml
+
+ filer.backup listens on filer notifications. If any file is updated, it will fetch the updated content,
+ and write to the destination. This is to replace filer.replicate command since additional message queue is not needed.
+
+ If restarted and "-timeAgo" is not set, the synchronization will resume from the previous checkpoints, persisted every minute.
+ A fresh sync will start from the earliest metadata logs. To reset the checkpoints, just set "-timeAgo" to a high value.
+
+`,
+}
+
+func runFilerBackup(cmd *Command, args []string) bool {
+
+ grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
+
+ util.LoadConfiguration("security", false)
+ util.LoadConfiguration("replication", true)
+
+ for {
+ err := doFilerBackup(grpcDialOption, &filerBackupOptions)
+ if err != nil {
+ glog.Errorf("backup from %s: %v", *filerBackupOptions.filer, err)
+ time.Sleep(1747 * time.Millisecond)
+ }
+ }
+
+ return true
+}
+
+const (
+ BackupKeyPrefix = "backup."
+)
+
+func doFilerBackup(grpcDialOption grpc.DialOption, backupOption *FilerBackupOptions) error {
+
+ // find data sink
+ config := util.GetViper()
+ dataSink := findSink(config)
+ if dataSink == nil {
+ return fmt.Errorf("no data sink configured in replication.toml")
+ }
+
+ sourceFiler := *backupOption.filer
+ sourcePath := *backupOption.path
+ timeAgo := *backupOption.timeAgo
+ targetPath := dataSink.GetSinkToDirectory()
+ debug := *backupOption.debug
+
+ // get start time for the data sink
+ startFrom := time.Unix(0, 0)
+ sinkId := util.HashStringToLong(dataSink.GetName() + dataSink.GetSinkToDirectory())
+ if timeAgo.Milliseconds() == 0 {
+ lastOffsetTsNs, err := getOffset(grpcDialOption, sourceFiler, BackupKeyPrefix, int32(sinkId))
+ if err != nil {
+ glog.V(0).Infof("starting from %v", startFrom)
+ } else {
+ startFrom = time.Unix(0, lastOffsetTsNs)
+ glog.V(0).Infof("resuming from %v", startFrom)
+ }
+ } else {
+ startFrom = time.Now().Add(-timeAgo)
+ glog.V(0).Infof("start time is set to %v", startFrom)
+ }
+
+ // create filer sink
+ filerSource := &source.FilerSource{}
+ filerSource.DoInitialize(sourceFiler, pb.ServerToGrpcAddress(sourceFiler), sourcePath, *backupOption.proxyByFiler)
+ dataSink.SetSourceFiler(filerSource)
+
+ processEventFn := genProcessFunction(sourcePath, targetPath, dataSink, debug)
+
+ return pb.WithFilerClient(sourceFiler, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+
+ ctx, cancel := context.WithCancel(context.Background())
+ defer cancel()
+
+ stream, err := client.SubscribeMetadata(ctx, &filer_pb.SubscribeMetadataRequest{
+ ClientName: "backup_" + dataSink.GetName(),
+ PathPrefix: sourcePath,
+ SinceNs: startFrom.UnixNano(),
+ })
+ if err != nil {
+ return fmt.Errorf("listen: %v", err)
+ }
+
+ var counter int64
+ var lastWriteTime time.Time
+ for {
+ resp, listenErr := stream.Recv()
+
+ if listenErr == io.EOF {
+ return nil
+ }
+ if listenErr != nil {
+ return listenErr
+ }
+
+ if err := processEventFn(resp); err != nil {
+ return fmt.Errorf("processEventFn: %v", err)
+ }
+
+ counter++
+ if lastWriteTime.Add(3 * time.Second).Before(time.Now()) {
+ glog.V(0).Infof("backup %s progressed to %v %0.2f/sec", sourceFiler, time.Unix(0, resp.TsNs), float64(counter)/float64(3))
+ counter = 0
+ lastWriteTime = time.Now()
+ if err := setOffset(grpcDialOption, sourceFiler, BackupKeyPrefix, int32(sinkId), resp.TsNs); err != nil {
+ return fmt.Errorf("setOffset: %v", err)
+ }
+ }
+
+ }
+
+ })
+
+}
+
diff --git a/weed/command/filer_replication.go b/weed/command/filer_replication.go
index e8c06b208..885c95540 100644
--- a/weed/command/filer_replication.go
+++ b/weed/command/filer_replication.go
@@ -74,18 +74,7 @@ func runFilerReplicate(cmd *Command, args []string) bool {
}
}
- var dataSink sink.ReplicationSink
- for _, sk := range sink.Sinks {
- if config.GetBool("sink." + sk.GetName() + ".enabled") {
- if err := sk.Initialize(config, "sink."+sk.GetName()+"."); err != nil {
- glog.Fatalf("Failed to initialize sink for %s: %+v",
- sk.GetName(), err)
- }
- glog.V(0).Infof("Configure sink to %s", sk.GetName())
- dataSink = sk
- break
- }
- }
+ dataSink := findSink(config)
if dataSink == nil {
println("no data sink configured in replication.toml:")
@@ -135,6 +124,22 @@ func runFilerReplicate(cmd *Command, args []string) bool {
}
+func findSink(config *util.ViperProxy) sink.ReplicationSink {
+ var dataSink sink.ReplicationSink
+ for _, sk := range sink.Sinks {
+ if config.GetBool("sink." + sk.GetName() + ".enabled") {
+ if err := sk.Initialize(config, "sink."+sk.GetName()+"."); err != nil {
+ glog.Fatalf("Failed to initialize sink for %s: %+v",
+ sk.GetName(), err)
+ }
+ glog.V(0).Infof("Configure sink to %s", sk.GetName())
+ dataSink = sk
+ break
+ }
+ }
+ return dataSink
+}
+
func validateOneEnabledInput(config *util.ViperProxy) {
enabledInput := ""
for _, input := range sub.NotificationInputs {
diff --git a/weed/command/filer_sync.go b/weed/command/filer_sync.go
index f8beb6fda..0f34e5701 100644
--- a/weed/command/filer_sync.go
+++ b/weed/command/filer_sync.go
@@ -8,6 +8,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/replication"
+ "github.com/chrislusf/seaweedfs/weed/replication/sink"
"github.com/chrislusf/seaweedfs/weed/replication/sink/filersink"
"github.com/chrislusf/seaweedfs/weed/replication/source"
"github.com/chrislusf/seaweedfs/weed/security"
@@ -137,7 +138,7 @@ func doSubscribeFilerMetaChanges(grpcDialOption grpc.DialOption, sourceFiler, so
// if first time, start from now
// if has previously synced, resume from that point of time
- sourceFilerOffsetTsNs, err := readSyncOffset(grpcDialOption, targetFiler, sourceFilerSignature)
+ sourceFilerOffsetTsNs, err := getOffset(grpcDialOption, targetFiler, SyncKeyPrefix, sourceFilerSignature)
if err != nil {
return err
}
@@ -151,93 +152,17 @@ func doSubscribeFilerMetaChanges(grpcDialOption grpc.DialOption, sourceFiler, so
filerSink.DoInitialize(targetFiler, pb.ServerToGrpcAddress(targetFiler), targetPath, replicationStr, collection, ttlSec, diskType, grpcDialOption, sinkWriteChunkByFiler)
filerSink.SetSourceFiler(filerSource)
+ persistEventFn := genProcessFunction(sourcePath, targetPath, filerSink, debug)
+
processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
message := resp.EventNotification
-
- var sourceOldKey, sourceNewKey util.FullPath
- if message.OldEntry != nil {
- sourceOldKey = util.FullPath(resp.Directory).Child(message.OldEntry.Name)
- }
- if message.NewEntry != nil {
- sourceNewKey = util.FullPath(message.NewParentPath).Child(message.NewEntry.Name)
- }
-
for _, sig := range message.Signatures {
if sig == targetFilerSignature && targetFilerSignature != 0 {
fmt.Printf("%s skipping %s change to %v\n", targetFiler, sourceFiler, message)
return nil
}
}
- if debug {
- fmt.Printf("%s check %s change %s,%s sig %v, target sig: %v\n", targetFiler, sourceFiler, sourceOldKey, sourceNewKey, message.Signatures, targetFilerSignature)
- }
-
- if !strings.HasPrefix(resp.Directory, sourcePath) {
- return nil
- }
-
- // handle deletions
- if message.OldEntry != nil && message.NewEntry == nil {
- if !strings.HasPrefix(string(sourceOldKey), sourcePath) {
- return nil
- }
- key := util.Join(targetPath, string(sourceOldKey)[len(sourcePath):])
- return filerSink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks, message.Signatures)
- }
-
- // handle new entries
- if message.OldEntry == nil && message.NewEntry != nil {
- if !strings.HasPrefix(string(sourceNewKey), sourcePath) {
- return nil
- }
- key := util.Join(targetPath, string(sourceNewKey)[len(sourcePath):])
- return filerSink.CreateEntry(key, message.NewEntry, message.Signatures)
- }
-
- // this is something special?
- if message.OldEntry == nil && message.NewEntry == nil {
- return nil
- }
-
- // handle updates
- if strings.HasPrefix(string(sourceOldKey), sourcePath) {
- // old key is in the watched directory
- if strings.HasPrefix(string(sourceNewKey), sourcePath) {
- // new key is also in the watched directory
- oldKey := util.Join(targetPath, string(sourceOldKey)[len(sourcePath):])
- message.NewParentPath = util.Join(targetPath, message.NewParentPath[len(sourcePath):])
- foundExisting, err := filerSink.UpdateEntry(string(oldKey), message.OldEntry, message.NewParentPath, message.NewEntry, message.DeleteChunks, message.Signatures)
- if foundExisting {
- return err
- }
-
- // not able to find old entry
- if err = filerSink.DeleteEntry(string(oldKey), message.OldEntry.IsDirectory, false, message.Signatures); err != nil {
- return fmt.Errorf("delete old entry %v: %v", oldKey, err)
- }
-
- // create the new entry
- newKey := util.Join(targetPath, string(sourceNewKey)[len(sourcePath):])
- return filerSink.CreateEntry(newKey, message.NewEntry, message.Signatures)
-
- } else {
- // new key is outside of the watched directory
- key := util.Join(targetPath, string(sourceOldKey)[len(sourcePath):])
- return filerSink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks, message.Signatures)
- }
- } else {
- // old key is outside of the watched directory
- if strings.HasPrefix(string(sourceNewKey), sourcePath) {
- // new key is in the watched directory
- key := util.Join(targetPath, string(sourceNewKey)[len(sourcePath):])
- return filerSink.CreateEntry(key, message.NewEntry, message.Signatures)
- } else {
- // new key is also outside of the watched directory
- // skip
- }
- }
-
- return nil
+ return persistEventFn(resp)
}
return pb.WithFilerClient(sourceFiler, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
@@ -275,7 +200,7 @@ func doSubscribeFilerMetaChanges(grpcDialOption grpc.DialOption, sourceFiler, so
glog.V(0).Infof("sync %s => %s progressed to %v %0.2f/sec", sourceFiler, targetFiler, time.Unix(0, resp.TsNs), float64(counter)/float64(3))
counter = 0
lastWriteTime = time.Now()
- if err := writeSyncOffset(grpcDialOption, targetFiler, sourceFilerSignature, resp.TsNs); err != nil {
+ if err := setOffset(grpcDialOption, targetFiler, SyncKeyPrefix, sourceFilerSignature, resp.TsNs); err != nil {
return err
}
}
@@ -290,11 +215,11 @@ const (
SyncKeyPrefix = "sync."
)
-func readSyncOffset(grpcDialOption grpc.DialOption, filer string, filerSignature int32) (lastOffsetTsNs int64, readErr error) {
+func getOffset(grpcDialOption grpc.DialOption, filer string, signaturePrefix string, signature int32) (lastOffsetTsNs int64, readErr error) {
readErr = pb.WithFilerClient(filer, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
- syncKey := []byte(SyncKeyPrefix + "____")
- util.Uint32toBytes(syncKey[len(SyncKeyPrefix):len(SyncKeyPrefix)+4], uint32(filerSignature))
+ syncKey := []byte(signaturePrefix + "____")
+ util.Uint32toBytes(syncKey[len(signaturePrefix):len(signaturePrefix)+4], uint32(signature))
resp, err := client.KvGet(context.Background(), &filer_pb.KvGetRequest{Key: syncKey})
if err != nil {
@@ -317,11 +242,11 @@ func readSyncOffset(grpcDialOption grpc.DialOption, filer string, filerSignature
}
-func writeSyncOffset(grpcDialOption grpc.DialOption, filer string, filerSignature int32, offsetTsNs int64) error {
+func setOffset(grpcDialOption grpc.DialOption, filer string, signaturePrefix string, signature int32, offsetTsNs int64) error {
return pb.WithFilerClient(filer, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
- syncKey := []byte(SyncKeyPrefix + "____")
- util.Uint32toBytes(syncKey[len(SyncKeyPrefix):len(SyncKeyPrefix)+4], uint32(filerSignature))
+ syncKey := []byte(signaturePrefix + "____")
+ util.Uint32toBytes(syncKey[len(signaturePrefix):len(signaturePrefix)+4], uint32(signature))
valueBuf := make([]byte, 8)
util.Uint64toBytes(valueBuf, uint64(offsetTsNs))
@@ -343,3 +268,107 @@ func writeSyncOffset(grpcDialOption grpc.DialOption, filer string, filerSignatur
})
}
+
+func genProcessFunction(sourcePath string, targetPath string, dataSink sink.ReplicationSink, debug bool) func(resp *filer_pb.SubscribeMetadataResponse) error {
+ // process function
+ processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
+ message := resp.EventNotification
+
+ var sourceOldKey, sourceNewKey util.FullPath
+ if message.OldEntry != nil {
+ sourceOldKey = util.FullPath(resp.Directory).Child(message.OldEntry.Name)
+ }
+ if message.NewEntry != nil {
+ sourceNewKey = util.FullPath(message.NewParentPath).Child(message.NewEntry.Name)
+ }
+
+ if debug {
+ glog.V(0).Infof("received %v", resp)
+ }
+
+ if !strings.HasPrefix(resp.Directory, sourcePath) {
+ return nil
+ }
+
+ // handle deletions
+ if message.OldEntry != nil && message.NewEntry == nil {
+ if !strings.HasPrefix(string(sourceOldKey), sourcePath) {
+ return nil
+ }
+ key := buildKey(dataSink, message, targetPath, sourceOldKey, sourcePath)
+ return dataSink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks, message.Signatures)
+ }
+
+ // handle new entries
+ if message.OldEntry == nil && message.NewEntry != nil {
+ if !strings.HasPrefix(string(sourceNewKey), sourcePath) {
+ return nil
+ }
+ key := buildKey(dataSink, message, targetPath, sourceNewKey, sourcePath)
+ return dataSink.CreateEntry(key, message.NewEntry, message.Signatures)
+ }
+
+ // this is something special?
+ if message.OldEntry == nil && message.NewEntry == nil {
+ return nil
+ }
+
+ // handle updates
+ if strings.HasPrefix(string(sourceOldKey), sourcePath) {
+ // old key is in the watched directory
+ if strings.HasPrefix(string(sourceNewKey), sourcePath) {
+ // new key is also in the watched directory
+ if !dataSink.IsIncremental() {
+ oldKey := util.Join(targetPath, string(sourceOldKey)[len(sourcePath):])
+ message.NewParentPath = util.Join(targetPath, message.NewParentPath[len(sourcePath):])
+ foundExisting, err := dataSink.UpdateEntry(string(oldKey), message.OldEntry, message.NewParentPath, message.NewEntry, message.DeleteChunks, message.Signatures)
+ if foundExisting {
+ return err
+ }
+
+ // not able to find old entry
+ if err = dataSink.DeleteEntry(string(oldKey), message.OldEntry.IsDirectory, false, message.Signatures); err != nil {
+ return fmt.Errorf("delete old entry %v: %v", oldKey, err)
+ }
+ }
+ // create the new entry
+ newKey := buildKey(dataSink, message, targetPath, sourceNewKey, sourcePath)
+ return dataSink.CreateEntry(newKey, message.NewEntry, message.Signatures)
+
+ } else {
+ // new key is outside of the watched directory
+ if !dataSink.IsIncremental() {
+ key := buildKey(dataSink, message, targetPath, sourceOldKey, sourcePath)
+ return dataSink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks, message.Signatures)
+ }
+ }
+ } else {
+ // old key is outside of the watched directory
+ if strings.HasPrefix(string(sourceNewKey), sourcePath) {
+ // new key is in the watched directory
+ key := buildKey(dataSink, message, targetPath, sourceNewKey, sourcePath)
+ return dataSink.CreateEntry(key, message.NewEntry, message.Signatures)
+ } else {
+ // new key is also outside of the watched directory
+ // skip
+ }
+ }
+
+ return nil
+ }
+ return processEventFn
+}
+
+func buildKey(dataSink sink.ReplicationSink, message *filer_pb.EventNotification, targetPath string, sourceKey util.FullPath, sourcePath string) string {
+ if !dataSink.IsIncremental() {
+ return util.Join(targetPath, string(sourceKey)[len(sourcePath):])
+ }
+ var mTime int64
+ if message.NewEntry != nil {
+ mTime = message.NewEntry.Attributes.Mtime
+ } else if message.OldEntry != nil {
+ mTime = message.OldEntry.Attributes.Mtime
+ }
+ dateKey := time.Unix(mTime, 0).Format("2006-01-02")
+ return util.Join(targetPath, dateKey, string(sourceKey)[len(sourcePath):])
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 12:35:17 +0000