s3: move buckets folder configuration to filer

weed/command/filer.go

@@ -33,6 +33,7 @@ type FilerOptions struct {
 	dataCenter              *string
 	enableNotification      *bool
 	disableHttp             *bool
+	dirBucketsPath          *string
 
 	// default leveldb directory, used in "weed server" mode
 	defaultLevelDbDirectory *string
@@ -52,6 +53,7 @@ func init() {
 	f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 100000, "limit sub dir listing size")
 	f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to write to volumes in this data center")
 	f.disableHttp = cmdFiler.Flag.Bool("disableHttp", false, "disable http request, only gRpc operations are allowed")
+	f.dirBucketsPath = cmdFiler.Flag.String("dir.buckets", "/buckets", "folder to store all buckets")
 }
 
 var cmdFiler = &Command{
@@ -109,6 +111,7 @@ func (fo *FilerOptions) startFiler() {
 		DataCenter:         *fo.dataCenter,
 		DefaultLevelDbDir:  defaultLevelDbDirectory,
 		DisableHttp:        *fo.disableHttp,
+		DirBucketsPath:     *fo.dirBucketsPath,
 		Port:               *fo.port,
 	})
 	if nfs_err != nil {