vendor protobuf & grpc

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

cmd/containerd/command/publish.go

@@ -32,6 +32,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/urfave/cli"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/backoff"
 )
 
 var publishCommand = cli.Command{
@@ -92,12 +93,17 @@ func connectEvents(address string) (eventsapi.EventsClient, error) {
 }
 
 func connect(address string, d func(gocontext.Context, string) (net.Conn, error)) (*grpc.ClientConn, error) {
+	backoffConfig := backoff.DefaultConfig
+	backoffConfig.MaxDelay = 3 * time.Second
+	connParams := grpc.ConnectParams{
+		Backoff: backoffConfig,
+	}
 	gopts := []grpc.DialOption{
 		grpc.WithBlock(),
 		grpc.WithInsecure(),
 		grpc.WithContextDialer(d),
 		grpc.FailOnNonTempDialError(true),
-		grpc.WithBackoffMaxDelay(3 * time.Second),
+		grpc.WithConnectParams(connParams),
 	}
 	ctx, cancel := gocontext.WithTimeout(gocontext.Background(), 2*time.Second)
 	defer cancel()