option to map remote bucket to trimmed bucket name

weed/shell/command_remote_mount_buckets.go

@@ -9,6 +9,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
 	"path/filepath"
+	"regexp"
 )
 
 func init() {
@@ -43,6 +44,7 @@ func (c *commandRemoteMountBuckets) Do(args []string, commandEnv *CommandEnv, wr
 
 	remote := remoteMountBucketsCommand.String("remote", "", "a already configured storage name")
 	bucketPattern := remoteMountBucketsCommand.String("bucketPattern", "", "match existing bucket name with wildcard characters '*' and '?'")
+	trimBucketSuffix := remoteMountBucketsCommand.Bool("trimBucketSuffix", false, "remote suffix auto generated by 'weed filer.remote.sync'")
 	apply := remoteMountBucketsCommand.Bool("apply", false, "apply the mount for listed buckets")
 
 	if err = remoteMountBucketsCommand.Parse(args); err != nil {
@@ -76,6 +78,8 @@ func (c *commandRemoteMountBuckets) Do(args []string, commandEnv *CommandEnv, wr
 		return fmt.Errorf("read filer buckets path: %v", err)
 	}
 
+	hasSuffixPattern, _ := regexp.Compile(".+-[0-9][0-9][0-9][0-9]")
+
 	for _, bucket := range buckets {
 		if *bucketPattern != "" {
 			if matched, _ := filepath.Match(*bucketPattern, bucket.Name); !matched {
@@ -84,9 +88,16 @@ func (c *commandRemoteMountBuckets) Do(args []string, commandEnv *CommandEnv, wr
 		}
 
 		fmt.Fprintf(writer, "bucket %s\n", bucket.Name)
+		localBucketName := bucket.Name
+		if *trimBucketSuffix {
+			if hasSuffixPattern.MatchString(localBucketName) {
+				localBucketName = localBucketName[:len(localBucketName)-5]
+				fmt.Fprintf(writer, "  mount bucket %s as %s\n", bucket.Name, localBucketName)
+			}
+		}
 		if *apply {
 
-			dir := util.FullPath(fillerBucketsPath).Child(bucket.Name)
+			dir := util.FullPath(fillerBucketsPath).Child(localBucketName)
 			remoteStorageLocation := &remote_pb.RemoteStorageLocation{
 				Name:   *remote,
 				Bucket: bucket.Name,