3 files changed, 114 insertions, 0 deletions
diff --git a/weed/command/command.go b/weed/command/command.go
index 79c00d4cd..6687469f1 100644
--- a/weed/command/command.go
+++ b/weed/command/command.go
@@ -20,6 +20,7 @@ var Commands = []*Command{
 	cmdS3,
 	cmdUpload,
 	cmdDownload,
+	cmdQueue,
 	cmdScaffold,
 	cmdShell,
 	cmdVersion,
diff --git a/weed/command/queue.go b/weed/command/queue.go
new file mode 100644
index 000000000..d09d5d8b3
--- /dev/null
+++ b/weed/command/queue.go
@@ -0,0 +1,107 @@
+package command
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"time"
+
+	"google.golang.org/grpc/reflection"
+
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/queue_pb"
+	"github.com/chrislusf/seaweedfs/weed/security"
+	weed_server "github.com/chrislusf/seaweedfs/weed/server"
+
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/util"
+)
+
+var (
+	queueStandaloneOptions QueueOptions
+)
+
+type QueueOptions struct {
+	filer          *string
+	port           *int
+	tlsPrivateKey  *string
+	tlsCertificate *string
+	defaultTtl     *string
+}
+
+func init() {
+	cmdQueue.Run = runQueue // break init cycle
+	queueStandaloneOptions.filer = cmdQueue.Flag.String("filer", "localhost:8888", "filer server address")
+	queueStandaloneOptions.port = cmdQueue.Flag.Int("port", 17777, "queue server gRPC listen port")
+	queueStandaloneOptions.tlsPrivateKey = cmdQueue.Flag.String("key.file", "", "path to the TLS private key file")
+	queueStandaloneOptions.tlsCertificate = cmdQueue.Flag.String("cert.file", "", "path to the TLS certificate file")
+	queueStandaloneOptions.defaultTtl = cmdQueue.Flag.String("ttl", "1h", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
+}
+
+var cmdQueue = &Command{
+	UsageLine: "<WIP> queue [-port=17777] [-filer=<ip:port>]",
+	Short:     "start a queue gRPC server that is backed by a filer",
+	Long: `start a queue gRPC server that is backed by a filer.
+
+`,
+}
+
+func runQueue(cmd *Command, args []string) bool {
+
+	util.LoadConfiguration("security", false)
+
+	return queueStandaloneOptions.startQueueServer()
+
+}
+
+func (queueopt *QueueOptions) startQueueServer() bool {
+
+	filerGrpcAddress, err := parseFilerGrpcAddress(*queueopt.filer)
+	if err != nil {
+		glog.Fatal(err)
+		return false
+	}
+
+	filerQueuesPath := "/queues"
+
+	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
+
+	for {
+		err = withFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+			resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
+			if err != nil {
+				return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err)
+			}
+			filerQueuesPath = resp.DirQueues
+			glog.V(0).Infof("Queue read filer queues dir: %s", filerQueuesPath)
+			return nil
+		})
+		if err != nil {
+			glog.V(0).Infof("wait to connect to filer %s grpc address %s", *queueopt.filer, filerGrpcAddress)
+			time.Sleep(time.Second)
+		} else {
+			glog.V(0).Infof("connected to filer %s grpc address %s", *queueopt.filer, filerGrpcAddress)
+			break
+		}
+	}
+
+	qs, err := weed_server.NewQueueServer(&weed_server.QueueServerOption{
+		Filers:             []string{*queueopt.filer},
+		DefaultReplication: "",
+		MaxMB:              0,
+		Port:               *queueopt.port,
+	})
+
+	// start grpc listener
+	grpcL, err := util.NewListener(":"+strconv.Itoa(*queueopt.port), 0)
+	if err != nil {
+		glog.Fatalf("failed to listen on grpc port %d: %v", *queueopt.port, err)
+	}
+	grpcS := util.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.queue"))
+	queue_pb.RegisterSeaweedQueueServer(grpcS, qs)
+	reflection.Register(grpcS)
+	go grpcS.Serve(grpcL)
+
+	return true
+
+}
diff --git a/weed/command/scaffold.go b/weed/command/scaffold.go
index 09f1cac6c..156aa8482 100644
--- a/weed/command/scaffold.go
+++ b/weed/command/scaffold.go
@@ -76,6 +76,8 @@ const (
 recursive_delete = false
 # directories under this folder will be automatically creating a separate bucket
 buckets_folder = /buckets
+# directories under this folder will be store message queue data
+queues_folder = /queues
 
 ####################################################
 # The following are filer store options
@@ -324,6 +326,10 @@ key  = ""
 cert = ""
 key  = ""
 
+[grpc.queue]
+cert = ""
+key  = ""
+
 # use this for any place needs a grpc client
 # i.e., "weed backup|benchmark|filer.copy|filer.replicate|mount|s3|upload"
 [grpc.client]