Merge pull request #1012 from Astone-Chou/lint

improve code quality

server/grpc/grpc.go

@@ -222,7 +222,9 @@ func (g *grpcServer) handler(srv interface{}, stream grpc.ServerStream) error {
 	// set the timeout if we have it
 	if len(to) > 0 {
 		if n, err := strconv.ParseUint(to, 10, 64); err == nil {
-			ctx, _ = context.WithTimeout(ctx, time.Duration(n))
+			var cancel context.CancelFunc
+			ctx, cancel = context.WithTimeout(ctx, time.Duration(n))
+			defer cancel()
 		}
 	}
 

server/rpc_server.go

@@ -277,7 +277,9 @@ func (s *rpcServer) ServeConn(sock transport.Socket) {
 		// set the timeout from the header if we have it
 		if len(to) > 0 {
 			if n, err := strconv.ParseUint(to, 10, 64); err == nil {
-				ctx, _ = context.WithTimeout(ctx, time.Duration(n))
+				var cancel context.CancelFunc
+				ctx, cancel = context.WithTimeout(ctx, time.Duration(n))
+				defer cancel()
 			}
 		}
 

server/server.go

@@ -201,7 +201,7 @@ func Run() error {
 	}
 
 	ch := make(chan os.Signal, 1)
-	signal.Notify(ch, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
+	signal.Notify(ch, syscall.SIGTERM, syscall.SIGINT)
 	log.Logf("Received signal %s", <-ch)
 
 	return Stop()