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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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42
weed/replication/sink/filersink/filer_sink.go
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@@ -25,7 +25,6 @@ type FilerSink struct {
ttlSec int32
dataCenter string
grpcDialOption grpc.DialOption
signature int32
}
func init() {
@@ -41,37 +40,36 @@ func (fs *FilerSink) GetSinkToDirectory() string {
}
func (fs *FilerSink) Initialize(configuration util.Configuration, prefix string) error {
return fs.initialize(
return fs.DoInitialize(
configuration.GetString(prefix+"grpcAddress"),
configuration.GetString(prefix+"directory"),
configuration.GetString(prefix+"replication"),
configuration.GetString(prefix+"collection"),
configuration.GetInt(prefix+"ttlSec"),
)
security.LoadClientTLS(util.GetViper(), "grpc.client"))
}
func (fs *FilerSink) SetSourceFiler(s *source.FilerSource) {
fs.filerSource = s
}
func (fs *FilerSink) initialize(grpcAddress string, dir string,
replication string, collection string, ttlSec int) (err error) {
func (fs *FilerSink) DoInitialize(grpcAddress string, dir string,
replication string, collection string, ttlSec int, grpcDialOption grpc.DialOption) (err error) {
fs.grpcAddress = grpcAddress
fs.dir = dir
fs.replication = replication
fs.collection = collection
fs.ttlSec = int32(ttlSec)
fs.grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
fs.signature = util.RandomInt32()
fs.grpcDialOption = grpcDialOption
return nil
}
func (fs *FilerSink) DeleteEntry(key string, isDirectory, deleteIncludeChunks bool) error {
func (fs *FilerSink) DeleteEntry(key string, isDirectory, deleteIncludeChunks bool, signatures []int32) error {
dir, name := util.FullPath(key).DirAndName()
glog.V(1).Infof("delete entry: %v", key)
err := filer_pb.Remove(fs, dir, name, deleteIncludeChunks, false, false, true, fs.signature)
glog.V(4).Infof("delete entry: %v", key)
err := filer_pb.Remove(fs, dir, name, deleteIncludeChunks, true, true, true, signatures)
if err != nil {
glog.V(0).Infof("delete entry %s: %v", key, err)
return fmt.Errorf("delete entry %s: %v", key, err)
@@ -79,7 +77,7 @@ func (fs *FilerSink) DeleteEntry(key string, isDirectory, deleteIncludeChunks bo
return nil
}
func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry, signatures []int32) error {
return fs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
@@ -93,7 +91,7 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
glog.V(1).Infof("lookup: %v", lookupRequest)
if resp, err := filer_pb.LookupEntry(client, lookupRequest); err == nil {
if filer.ETag(resp.Entry) == filer.ETag(entry) {
glog.V(0).Infof("already replicated %s", key)
glog.V(3).Infof("already replicated %s", key)
return nil
}
}
@@ -101,11 +99,11 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
replicatedChunks, err := fs.replicateChunks(entry.Chunks, dir)
if err != nil {
glog.V(0).Infof("replicate entry chunks %s: %v", key, err)
return fmt.Errorf("replicate entry chunks %s: %v", key, err)
// only warning here since the source chunk may have been deleted already
glog.Warningf("replicate entry chunks %s: %v", key, err)
}
glog.V(0).Infof("replicated %s %+v ===> %+v", key, entry.Chunks, replicatedChunks)
glog.V(4).Infof("replicated %s %+v ===> %+v", key, entry.Chunks, replicatedChunks)
request := &filer_pb.CreateEntryRequest{
Directory: dir,
@@ -116,10 +114,10 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
Chunks: replicatedChunks,
},
IsFromOtherCluster: true,
Signatures: []int32{fs.signature},
Signatures: signatures,
}
glog.V(1).Infof("create: %v", request)
glog.V(3).Infof("create: %v", request)
if err := filer_pb.CreateEntry(client, request); err != nil {
glog.V(0).Infof("create entry %s: %v", key, err)
return fmt.Errorf("create entry %s: %v", key, err)
@@ -129,7 +127,7 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
})
}
func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParentPath string, newEntry *filer_pb.Entry, deleteIncludeChunks bool) (foundExistingEntry bool, err error) {
func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParentPath string, newEntry *filer_pb.Entry, deleteIncludeChunks bool, signatures []int32) (foundExistingEntry bool, err error) {
dir, name := util.FullPath(key).DirAndName()
@@ -158,16 +156,16 @@ func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParent
return false, fmt.Errorf("lookup %s: %v", key, err)
}
glog.V(0).Infof("oldEntry %+v, newEntry %+v, existingEntry: %+v", oldEntry, newEntry, existingEntry)
glog.V(4).Infof("oldEntry %+v, newEntry %+v, existingEntry: %+v", oldEntry, newEntry, existingEntry)
if existingEntry.Attributes.Mtime > newEntry.Attributes.Mtime {
// skip if already changed
// this usually happens when the messages are not ordered
glog.V(0).Infof("late updates %s", key)
glog.V(2).Infof("late updates %s", key)
} else if filer.ETag(newEntry) == filer.ETag(existingEntry) {
// skip if no change
// this usually happens when retrying the replication
glog.V(0).Infof("already replicated %s", key)
glog.V(3).Infof("already replicated %s", key)
} else {
// find out what changed
deletedChunks, newChunks, err := compareChunks(filer.LookupFn(fs), oldEntry, newEntry)
@@ -196,7 +194,7 @@ func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParent
Directory: newParentPath,
Entry: existingEntry,
IsFromOtherCluster: true,
Signatures: []int32{fs.signature},
Signatures: signatures,
}
if _, err := client.UpdateEntry(context.Background(), request); err != nil {