Volume filter by collection pattern added.

weed/shell/command_volume_configure_replication.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb"
 	"io"
+	"path/filepath"
 
 	"github.com/chrislusf/seaweedfs/weed/operation"
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
@@ -39,6 +40,7 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
 	configureReplicationCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
 	volumeIdInt := configureReplicationCommand.Int("volumeId", 0, "the volume id")
 	replicationString := configureReplicationCommand.String("replication", "", "the intended replication value")
+	collectionPattern := configureReplicationCommand.String("collectionPattern", "", "match with wildcard characters '*' and '?'")
 	if err = configureReplicationCommand.Parse(args); err != nil {
 		return nil
 	}
@@ -63,7 +65,7 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
 	}
 
 	vid := needle.VolumeId(*volumeIdInt)
-	volumeFilter := getVolumeFilter(replicaPlacement, uint32(vid))
+	volumeFilter := getVolumeFilter(replicaPlacement, uint32(vid), *collectionPattern)
 
 	// find all data nodes with volumes that needs replication change
 	var allLocations []location
@@ -107,8 +109,17 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
 	return nil
 }
 
-func getVolumeFilter(replicaPlacement *super_block.ReplicaPlacement, volumeId uint32) func(message *master_pb.VolumeInformationMessage) bool {
+func getVolumeFilter(replicaPlacement *super_block.ReplicaPlacement, volumeId uint32, collectionPattern string) func(message *master_pb.VolumeInformationMessage) bool {
 	replicaPlacementInt32 := uint32(replicaPlacement.Byte())
+	if collectionPattern != "" {
+		return func(v *master_pb.VolumeInformationMessage) bool {
+			matched, err := filepath.Match(collectionPattern, v.Collection)
+			if err != nil {
+				return false
+			}
+			return matched
+		}
+	}
 	return func(v *master_pb.VolumeInformationMessage) bool {
 		return v.Id == volumeId && v.ReplicaPlacement != replicaPlacementInt32
 	}