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filer: cross cluster synchronization

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This commit is contained in:
Chris Lu
2020-09-09 11:21:23 -07:00
parent 4fc0bd1a81
commit 387ab6796f
32 changed files with 1072 additions and 217 deletions
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27
weed/replication/replicator.go
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@@ -3,6 +3,8 @@ package replication
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb"
"google.golang.org/grpc"
"strings"
"github.com/chrislusf/seaweedfs/weed/glog"
@@ -43,28 +45,43 @@ func (r *Replicator) Replicate(ctx context.Context, key string, message *filer_p
key = newKey
if message.OldEntry != nil && message.NewEntry == nil {
glog.V(4).Infof("deleting %v", key)
return r.sink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks)
return r.sink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks, message.Signatures)
}
if message.OldEntry == nil && message.NewEntry != nil {
glog.V(4).Infof("creating %v", key)
return r.sink.CreateEntry(key, message.NewEntry)
return r.sink.CreateEntry(key, message.NewEntry, message.Signatures)
}
if message.OldEntry == nil && message.NewEntry == nil {
glog.V(0).Infof("weird message %+v", message)
return nil
}
foundExisting, err := r.sink.UpdateEntry(key, message.OldEntry, message.NewParentPath, message.NewEntry, message.DeleteChunks)
foundExisting, err := r.sink.UpdateEntry(key, message.OldEntry, message.NewParentPath, message.NewEntry, message.DeleteChunks, message.Signatures)
if foundExisting {
glog.V(4).Infof("updated %v", key)
return err
}
err = r.sink.DeleteEntry(key, message.OldEntry.IsDirectory, false)
err = r.sink.DeleteEntry(key, message.OldEntry.IsDirectory, false, message.Signatures)
if err != nil {
return fmt.Errorf("delete old entry %v: %v", key, err)
}
glog.V(4).Infof("creating missing %v", key)
return r.sink.CreateEntry(key, message.NewEntry)
return r.sink.CreateEntry(key, message.NewEntry, message.Signatures)
}
func ReadFilerSignature(grpcDialOption grpc.DialOption, filer string) (filerSignature int32, readErr error) {
if readErr = pb.WithFilerClient(filer, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
if resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{}); err != nil {
return fmt.Errorf("GetFilerConfiguration %s: %v", filer, err)
} else {
filerSignature = resp.Signature
}
return nil
}); readErr != nil {
return 0, readErr
}
return filerSignature, nil
}