lint fix

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

grpc.go

@@ -75,14 +75,13 @@ func (g *grpcClient) secure(addr string) grpc.DialOption {
 func (g *grpcClient) call(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
 	var header map[string]string
 
-	header = make(map[string]string)
 	if md, ok := metadata.FromContext(ctx); ok {
 		header = make(map[string]string, len(md))
 		for k, v := range md {
 			header[strings.ToLower(k)] = v
 		}
 	} else {
-		header = make(map[string]string)
+		header = make(map[string]string, 2)
 	}
 
 	// set timeout in nanoseconds
@@ -574,7 +573,10 @@ func (g *grpcClient) Stream(ctx context.Context, req client.Request, opts ...cli
 			return nil, verr
 		}
 
-		g.opts.Selector.Record(node, err)
+		if rerr := g.opts.Selector.Record(node, err); rerr != nil {
+			return nil, rerr
+		}
+
 		return stream, err
 	}
 
@@ -618,20 +620,9 @@ func (g *grpcClient) Stream(ctx context.Context, req client.Request, opts ...cli
 }
 
 func (g *grpcClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
-	var options client.PublishOptions
 	var body []byte
 
-	// fail early on connect error
-	if !g.once.Load().(bool) {
-		if err := g.opts.Broker.Connect(); err != nil {
-			return errors.InternalServerError("go.micro.client", err.Error())
-		}
-		g.once.Store(true)
-	}
-
-	for _, o := range opts {
-		o(&options)
-	}
+	options := client.NewPublishOptions(opts...)
 
 	md, ok := metadata.FromContext(ctx)
 	if !ok {
@@ -664,7 +655,7 @@ func (g *grpcClient) Publish(ctx context.Context, p client.Message, opts ...clie
 		topic = options.Exchange
 	}
 
-	return g.opts.Broker.Publish(topic, &broker.Message{
+	return g.opts.Broker.Publish(ctx, topic, &broker.Message{
 		Header: md,
 		Body:   body,
 	}, broker.PublishContext(options.Context))