adding grpc mutual tls

weed/command/filer.go

@@ -1,6 +1,8 @@
 package command
 
 import (
+	"github.com/chrislusf/seaweedfs/weed/security"
+	"github.com/spf13/viper"
 	"net/http"
 	"strconv"
 	"strings"
@@ -75,6 +77,8 @@ var cmdFiler = &Command{
 
 func runFiler(cmd *Command, args []string) bool {
 
+	weed_server.LoadConfiguration("security", false)
+
 	f.startFiler()
 
 	return true
@@ -141,7 +145,7 @@ func (fo *FilerOptions) startFiler() {
 	if err != nil {
 		glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
 	}
-	grpcS := util.NewGrpcServer()
+	grpcS := util.NewGrpcServer(security.LoadServerTLS(viper.Sub("grpc"), "filer"))
 	filer_pb.RegisterSeaweedFilerServer(grpcS, fs)
 	reflection.Register(grpcS)
 	go grpcS.Serve(grpcL)