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replication handle cases when entry already exists

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This commit is contained in:
Chris Lu
2018-09-25 09:27:03 -07:00
parent 60c1ada4c1
commit 31ed352ab6
3 changed files with 36 additions and 11 deletions
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16
weed/replication/replicator.go
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@@ -9,6 +9,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/replication/sink/filersink"
"github.com/chrislusf/seaweedfs/weed/replication/source"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/glog"
)
type Replicator struct {
@@ -43,5 +44,18 @@ func (r *Replicator) Replicate(key string, message *filer_pb.EventNotification)
if message.OldEntry == nil && message.NewEntry != nil {
return r.sink.CreateEntry(key, message.NewEntry)
}
return r.sink.UpdateEntry(key, message.OldEntry, message.NewEntry, message.DeleteChunks)
if existingEntry, err := r.sink.LookupEntry(key); err == nil {
if message.OldEntry == nil && message.NewEntry == nil {
glog.V(0).Infof("message %+v existingEntry: %+v", message, existingEntry)
return r.sink.DeleteEntry(key, existingEntry, true)
}
return r.sink.UpdateEntry(key, message.OldEntry, message.NewEntry, existingEntry, message.DeleteChunks)
}
glog.V(0).Infof("key:%s, message %+v", key, message)
if message.OldEntry == nil && message.NewEntry == nil {
return nil
}
return r.sink.CreateEntry(key, message.NewEntry)
}