add exclusive lock library on shell

2020-04-23 02:31:04 -07:00
parent 77873b832b
commit 30ee4f3291
5 changed files with 257 additions and 179 deletions
--- a/weed/server/master_grpc_server_admin.go
+++ b/weed/server/master_grpc_server_admin.go
@@ -2,6 +2,7 @@ package weed_server

 import (
 	"context"
+	"fmt"
 	"math/rand"
 	"time"

@@ -72,8 +73,7 @@ func (ms *MasterServer) LeaseAdminToken(ctx context.Context, req *master_pb.Leas
 			return resp, nil
 		}
 		// refuse since still locked
-		resp.Error = "already locked"
-		return resp, nil
+		return resp, fmt.Errorf("already locked")
 	}
 	// for fresh lease request
 	ts, token := ms.generateToken()