From 170e3f8d8c53de79ddee54d57487d5fca6a2325b Mon Sep 17 00:00:00 2001
From: daheige <zhuwei313@hotmail.com>
Date: Sun, 15 May 2022 10:12:06 +0800
Subject: [PATCH] feat: update default grpc.DialOption

---
 example/clients/go/client.go |  9 +++++++--
 micro.go                     | 15 ++++++++++++---
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/example/clients/go/client.go b/example/clients/go/client.go
index 4d9c2a0..d5b7737 100644
--- a/example/clients/go/client.go
+++ b/example/clients/go/client.go
@@ -6,8 +6,8 @@ import (
 	"os"
 
 	"github.com/daheige/gmicro/v2/example/clients/go/pb"
-
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 )
 
 const (
@@ -26,7 +26,12 @@ heige@daheige client % go run client.go daheige123
 
 func main() {
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(address, grpc.WithInsecure())
+	// please note the following settings
+	// Deprecated: use WithTransportCredentials and insecure.NewCredentials()
+	// instead. Will be supported throughout 1.x.
+	// conn, err := grpc.Dial(address, grpc.WithInsecure())
+	// so use grpc.WithTransportCredentials(insecure.NewCredentials()) as default grpc.DialOption
+	conn, err := grpc.Dial(address, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}
diff --git a/micro.go b/micro.go
index 8533e7b..d2d6b49 100644
--- a/micro.go
+++ b/micro.go
@@ -23,6 +23,7 @@ import (
 	"golang.org/x/net/http2/h2c"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/grpc/status"
@@ -163,7 +164,11 @@ func NewService(opts ...Option) *Service {
 
 	// default dial option is using insecure connection
 	if len(s.gRPCDialOptions) == 0 {
-		s.gRPCDialOptions = append(s.gRPCDialOptions, grpc.WithInsecure())
+		// Deprecated: use WithTransportCredentials and insecure.NewCredentials()
+		// instead. Will be supported throughout 1.x.
+		// s.gRPCDialOptions = append(s.gRPCDialOptions, grpc.WithInsecure())
+		// so use grpc.WithTransportCredentials(insecure.NewCredentials()) as default grpc.DialOption
+		s.gRPCDialOptions = append(s.gRPCDialOptions, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	}
 
 	// install prometheus interceptor
@@ -545,7 +550,11 @@ func NewServiceWithoutGateway(opts ...Option) *Service {
 
 	// default dial option is using insecure connection
 	if len(s.gRPCDialOptions) == 0 {
-		s.gRPCDialOptions = append(s.gRPCDialOptions, grpc.WithInsecure())
+		// Deprecated: use WithTransportCredentials and insecure.NewCredentials()
+		// instead. Will be supported throughout 1.x.
+		// s.gRPCDialOptions = append(s.gRPCDialOptions, grpc.WithInsecure())
+		// so use grpc.WithTransportCredentials(insecure.NewCredentials()) as default grpc.DialOption
+		s.gRPCDialOptions = append(s.gRPCDialOptions, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	}
 
 	// install prometheus interceptor
@@ -633,7 +642,7 @@ func (s *Service) StopGRPCWithoutGateway() {
 }
 
 // ServeFile serves a file
-func (s *Service) ServeFile(w http.ResponseWriter, r *http.Request, pathParams map[string]string) {
+func (s *Service) ServeFile(w http.ResponseWriter, r *http.Request, _ map[string]string) {
 	dir := s.staticDir
 	if s.staticDir == "" {
 		dir, _ = os.Getwd()