cleanup: replace grpc.WithInsecure with insecure.NewCredentials

admin/test/utils.go

@@ -33,6 +33,7 @@ import (
 	"google.golang.org/grpc/admin"
 	channelzpb "google.golang.org/grpc/channelz/grpc_channelz_v1"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/internal/xds"
 	"google.golang.org/grpc/status"
 )
@@ -78,7 +79,7 @@ func RunRegisterTests(t *testing.T, ec ExpectedStatusCodes) {
 		server.Serve(lis)
 	}()
 
-	conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+	conn, err := grpc.Dial(lis.Addr().String(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		t.Fatalf("cannot connect to server: %v", err)
 	}

authz/sdk_end2end_test.go

@@ -33,6 +33,7 @@ import (
 	"google.golang.org/grpc/authz"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/internal/grpctest"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
@@ -324,7 +325,7 @@ func (s) TestSDKStaticPolicyEnd2End(t *testing.T) {
 			go s.Serve(lis)
 
 			// Establish a connection to the server.
-			clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+			clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 			if err != nil {
 				t.Fatalf("grpc.Dial(%v) failed: %v", lis.Addr().String(), err)
 			}
@@ -514,7 +515,7 @@ func (s) TestSDKFileWatcherEnd2End(t *testing.T) {
 			go s.Serve(lis)
 
 			// Establish a connection to the server.
-			clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+			clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 			if err != nil {
 				t.Fatalf("grpc.Dial(%v) failed: %v", lis.Addr().String(), err)
 			}
@@ -583,7 +584,7 @@ func (s) TestSDKFileWatcher_ValidPolicyRefresh(t *testing.T) {
 	go s.Serve(lis)
 
 	// Establish a connection to the server.
-	clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+	clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		t.Fatalf("grpc.Dial(%v) failed: %v", lis.Addr().String(), err)
 	}
@@ -631,7 +632,7 @@ func (s) TestSDKFileWatcher_InvalidPolicySkipReload(t *testing.T) {
 	go s.Serve(lis)
 
 	// Establish a connection to the server.
-	clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+	clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		t.Fatalf("grpc.Dial(%v) failed: %v", lis.Addr().String(), err)
 	}
@@ -682,7 +683,7 @@ func (s) TestSDKFileWatcher_RecoversFromReloadFailure(t *testing.T) {
 	go s.Serve(lis)
 
 	// Establish a connection to the server.
-	clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+	clientConn, err := grpc.Dial(lis.Addr().String(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		t.Fatalf("grpc.Dial(%v) failed: %v", lis.Addr().String(), err)
 	}

balancer/grpclb/grpclb_remote_balancer.go

@@ -33,6 +33,7 @@ import (
 	"google.golang.org/grpc/balancer"
 	lbpb "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
 	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/internal/backoff"
 	"google.golang.org/grpc/internal/channelz"
 	imetadata "google.golang.org/grpc/internal/metadata"
@@ -228,7 +229,7 @@ func (lb *lbBalancer) newRemoteBalancerCCWrapper() {
 	} else if bundle := lb.grpclbClientConnCreds; bundle != nil {
 		dopts = append(dopts, grpc.WithCredentialsBundle(bundle))
 	} else {
-		dopts = append(dopts, grpc.WithInsecure())
+		dopts = append(dopts, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	}
 	if lb.opt.Dialer != nil {
 		dopts = append(dopts, grpc.WithContextDialer(lb.opt.Dialer))

balancer/rls/control_channel.go

@@ -27,6 +27,7 @@ import (
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/balancer/rls/internal/adaptive"
 	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/internal"
 	internalgrpclog "google.golang.org/grpc/internal/grpclog"
 	"google.golang.org/grpc/internal/pretty"
@@ -112,7 +113,7 @@ func (cc *controlChannel) dialOpts(bOpts balancer.BuildOptions) ([]grpc.DialOpti
 		credsOpt = grpc.WithCredentialsBundle(bundle)
 	default:
 		cc.logger.Warningf("no credentials available, using Insecure")
-		credsOpt = grpc.WithInsecure()
+		credsOpt = grpc.WithTransportCredentials(insecure.NewCredentials())
 	}
 	return append(dopts, credsOpt), nil
 }

benchmark/benchmain/main.go

@@ -63,6 +63,7 @@ import (
 	"google.golang.org/grpc/benchmark/flags"
 	"google.golang.org/grpc/benchmark/latency"
 	"google.golang.org/grpc/benchmark/stats"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/keepalive"
@@ -305,7 +306,7 @@ func makeClient(bf stats.Features) (testgrpc.BenchmarkServiceClient, func()) {
 		)
 	}
 	sopts = append(sopts, grpc.MaxConcurrentStreams(uint32(bf.MaxConcurrentCalls+1)))
-	opts = append(opts, grpc.WithInsecure())
+	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
 
 	var lis net.Listener
 	if bf.UseBufConn {

benchmark/client/main.go

@@ -51,6 +51,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/benchmark"
 	"google.golang.org/grpc/benchmark/stats"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/syscall"
 
@@ -135,7 +136,7 @@ func main() {
 func buildConnections(ctx context.Context) []*grpc.ClientConn {
 	ccs := make([]*grpc.ClientConn, *numConn)
 	for i := range ccs {
-		ccs[i] = benchmark.NewClientConnWithContext(ctx, "localhost:"+*port, grpc.WithInsecure(), grpc.WithBlock())
+		ccs[i] = benchmark.NewClientConnWithContext(ctx, "localhost:"+*port, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock())
 	}
 	return ccs
 }

benchmark/worker/benchmark_client.go

@@ -31,6 +31,7 @@ import (
 	"google.golang.org/grpc/benchmark/stats"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/internal/syscall"
 	"google.golang.org/grpc/status"
 	"google.golang.org/grpc/testdata"
@@ -133,7 +134,7 @@ func createConns(config *testpb.ClientConfig) ([]*grpc.ClientConn, func(), error
 		}
 		opts = append(opts, grpc.WithTransportCredentials(creds))
 	} else {
-		opts = append(opts, grpc.WithInsecure())
+		opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	}
 
 	// Use byteBufCodec if it is required.

binarylog/binarylog_end2end_test.go

@@ -31,6 +31,7 @@ import (
 	"github.com/golang/protobuf/proto"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/binarylog"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/grpclog"
 	iblog "google.golang.org/grpc/internal/binarylog"
 	"google.golang.org/grpc/internal/grpctest"
@@ -310,7 +311,7 @@ func (te *test) clientConn() *grpc.ClientConn {
 	if te.cc != nil {
 		return te.cc
 	}
-	opts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithBlock()}
+	opts := []grpc.DialOption{grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock()}
 
 	var err error
 	te.cc, err = grpc.Dial(te.srvAddr, opts...)

clientconn.go

@@ -79,7 +79,7 @@ var (
 	// errNoTransportSecurity indicates that there is no transport security
 	// being set for ClientConn. Users should either set one or explicitly
 	// call WithInsecure DialOption to disable security.
-	errNoTransportSecurity = errors.New("grpc: no transport security set (use grpc.WithInsecure() explicitly or set credentials)")
+	errNoTransportSecurity = errors.New("grpc: no transport security set (use grpc.WithTransportCredentials(insecure.NewCredentials()) explicitly or set credentials)")
 	// errTransportCredsAndBundle indicates that creds bundle is used together
 	// with other individual Transport Credentials.
 	errTransportCredsAndBundle = errors.New("grpc: credentials.Bundle may not be used with individual TransportCredentials")

credentials/alts/internal/handshaker/service/service.go

@@ -24,6 +24,7 @@ import (
 	"sync"
 
 	grpc "google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 )
 
 var (
@@ -49,7 +50,7 @@ func Dial(hsAddress string) (*grpc.ClientConn, error) {
 		// Create a new connection to the handshaker service. Note that
 		// this connection stays open until the application is closed.
 		var err error
-		hsConn, err = hsDialer(hsAddress, grpc.WithInsecure())
+		hsConn, err = hsDialer(hsAddress, grpc.WithTransportCredentials(insecure.NewCredentials()))
 		if err != nil {
 			return nil, err
 		}

examples/features/cancellation/client/main.go

@@ -28,6 +28,7 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials/insecure"
 	pb "google.golang.org/grpc/examples/features/proto/echo"
 	"google.golang.org/grpc/status"
 )
@@ -55,7 +56,7 @@ func main() {
 	flag.Parse()
 
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure())
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/compression/client/main.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/encoding/gzip" // Install the gzip compressor
 	pb "google.golang.org/grpc/examples/features/proto/echo"
 )
@@ -37,7 +38,7 @@ func main() {
 	flag.Parse()
 
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure())
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/deadline/client/main.go

@@ -28,6 +28,7 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials/insecure"
 	pb "google.golang.org/grpc/examples/features/proto/echo"
 	"google.golang.org/grpc/status"
 )
@@ -72,7 +73,7 @@ func streamingCall(c pb.EchoClient, requestID int, message string, want codes.Co
 func main() {
 	flag.Parse()
 
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure())
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/deadline/server/main.go

@@ -31,6 +31,7 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/status"
 
 	pb "google.golang.org/grpc/examples/features/proto/echo"
@@ -94,7 +95,7 @@ func (s *server) Close() {
 
 func newEchoServer() *server {
 	target := fmt.Sprintf("localhost:%v", *port)
-	cc, err := grpc.Dial(target, grpc.WithInsecure())
+	cc, err := grpc.Dial(target, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/debugging/client/main.go

@@ -28,6 +28,7 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/channelz/service"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/resolver/manual"
 
@@ -59,7 +60,7 @@ func main() {
 	/***** Initialize manual resolver and Dial *****/
 	r := manual.NewBuilderWithScheme("whatever")
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(r.Scheme()+":///test.server", grpc.WithInsecure(), grpc.WithResolvers(r), grpc.WithDefaultServiceConfig(`{"loadBalancingPolicy":"round_robin"}`))
+	conn, err := grpc.Dial(r.Scheme()+":///test.server", grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithResolvers(r), grpc.WithDefaultServiceConfig(`{"loadBalancingPolicy":"round_robin"}`))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/errors/client/main.go

@@ -28,6 +28,7 @@ import (
 
 	epb "google.golang.org/genproto/googleapis/rpc/errdetails"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	pb "google.golang.org/grpc/examples/helloworld/helloworld"
 	"google.golang.org/grpc/status"
 )
@@ -38,7 +39,7 @@ func main() {
 	flag.Parse()
 
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure())
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/health/client/main.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	pb "google.golang.org/grpc/examples/features/proto/echo"
 	_ "google.golang.org/grpc/health"
 	"google.golang.org/grpc/resolver"
@@ -65,7 +66,7 @@ func main() {
 	address := fmt.Sprintf("%s:///unused", r.Scheme())
 
 	options := []grpc.DialOption{
-		grpc.WithInsecure(),
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
 		grpc.WithBlock(),
 		grpc.WithResolvers(r),
 		grpc.WithDefaultServiceConfig(serviceConfig),

examples/features/keepalive/client/main.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	pb "google.golang.org/grpc/examples/features/proto/echo"
 	"google.golang.org/grpc/keepalive"
 )
@@ -42,7 +43,7 @@ var kacp = keepalive.ClientParameters{
 func main() {
 	flag.Parse()
 
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure(), grpc.WithKeepaliveParams(kacp))
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithKeepaliveParams(kacp))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/load_balancing/client/main.go

@@ -26,6 +26,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	ecpb "google.golang.org/grpc/examples/features/proto/echo"
 	"google.golang.org/grpc/resolver"
 )
@@ -58,7 +59,7 @@ func main() {
 	// "pick_first" is the default, so there's no need to set the load balancing policy.
 	pickfirstConn, err := grpc.Dial(
 		fmt.Sprintf("%s:///%s", exampleScheme, exampleServiceName),
-		grpc.WithInsecure(),
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
 	)
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
@@ -74,7 +75,7 @@ func main() {
 	roundrobinConn, err := grpc.Dial(
 		fmt.Sprintf("%s:///%s", exampleScheme, exampleServiceName),
 		grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin":{}}]}`), // This sets the initial balancing policy.
-		grpc.WithInsecure(),
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
 	)
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)

examples/features/metadata/client/main.go

@@ -28,6 +28,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	pb "google.golang.org/grpc/examples/features/proto/echo"
 	"google.golang.org/grpc/metadata"
 )
@@ -286,7 +287,7 @@ const message = "this is examples/metadata"
 func main() {
 	flag.Parse()
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure())
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}

examples/features/multiplex/client/main.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	ecpb "google.golang.org/grpc/examples/features/proto/echo"
 	hwpb "google.golang.org/grpc/examples/helloworld/helloworld"
 )
@@ -58,7 +59,7 @@ func callUnaryEcho(client ecpb.EchoClient, message string) {
 func main() {
 	flag.Parse()
 	// Set up a connection to the server.
-	conn, err := grpc.Dial(*addr, grpc.WithInsecure())
+	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 	if err != nil {
 		log.Fatalf("did not connect: %v", err)
 	}